CN102350428B - Equipment for producing composite dry powder fuel used for coal-fired power plant generation with municipal domestic waste and industrialization method thereof - Google Patents
- ️Wed Feb 26 2014
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Publication number
- CN102350428B CN102350428B CN201110177555.XA CN201110177555A CN102350428B CN 102350428 B CN102350428 B CN 102350428B CN 201110177555 A CN201110177555 A CN 201110177555A CN 102350428 B CN102350428 B CN 102350428B Authority
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- China Prior art keywords
- waste
- rubbish
- dry powder
- hyf
- coal Prior art date
- 2011-05-18 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Relating to the field of environmental protection energy, the invention relates to industrialization equipment for producing a composite dry powder fuel used for coal-fired power plant generation with municipal domestic waste and a method thereof. The method comprises the steps of: 1) receiving, crushing and sorting: receiving and crushing municipal domestic waste to less than 10cm, then conducting magnetic separation, gravity screening, and color selection so as to remove and collect a ferrous metal, silicate substances and non-ferrous metals, crushing the left material further to a particle size of less than 3cm, carrying out dehydration to lower the material water content to less than 25%, scattering the material, then carrying out plastic sorting and collection, magnetic separation and color selection, as well as further crushing; 2) normal temperature anhydration and fine composition: adding additives to the coarse waste powder obtained in step 1) for fine crushing anhydration and composition, separating the gas and powder, thus obtaining the composite dry powder fuel; 3) combustion in a coal-fired power plant: subjecting the composite dry powder fuel to combustion in a furnace for generation. The equipment and method provided in the invention have the advantages of simplicity, utility, health and harmlessness.
Description
Technical field
The present invention relates to eco-friendly power source field, particularly, the present invention relates to a kind of domestic waste and produce composite dry powder fuel for industrialization equipment and the industrialization method of coal-burning power plant's generating.
Background technology
It is a global problem that the processing of domestic waste is disposed, at present the main ways such as landfill, compost, incineration that adopt.These conventional approach are not only costly, and relate to secondary pollution with problems such as dioxin emissions, therefore this global problem is failed fine solution up to now.
Garbage loading embeading is is not only occupied a large amount of soils, and the secondary pollution bringing makes social environment, health cause serious harm.In refuse landfill, poisonous and hazardous percolate infiltrates the hidden pollution causing in earth's surface or body of groundwater, to health and the toxic effect of animals and plants, people touches after contaminated soil or water body, may cause the illnesss such as polio, catarrhal jaundice, the raising of Congenital disease rate.In landfill gas, contain a large amount of trace gas, be referred to as non-methane organic matter (Non methane organic compounds, NMOC), although these gas total amounts are very little, but environmental and human health impacts is had to very large harmfulness, to toxic effects of organ such as people's liver, kidneys, and much still " three cause " organic matter.Although garbage compost has the effect of improvement soil, but multiple pathogenic microorganisms, heavy metal and other harmful substance enter soil with compost, poisonous and harmful composition in soil is through the assimilation of crop, finally by food chain, enter in animal and human's body, in more hidden mode, endangering the healthy of resident.
The incineration of garbage is the Perfected process of a resource to the eye, the main generation ground that CR Critical method Shi bioxin source is discharged in a kind of secondary pollution in fact, through China Environmental Monitoring General Station, the investigation of 7 incineration plant is found to: dioxins materials severe overweight, its multiplying power number that exceeds standard is at 5.4-99.
The ways such as these landfills of domestic waste, compost, incineration at present, can not solve thoroughly domestic waste problem, and deal with improperly and can cause serious consequence.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, according to the feature of domestic waste, rely on owned patent of invention, and in conjunction with existing technology, equipment, through sorting-normal temperature mummification-modification step by step compound-advanced technologies such as waste material utilization, can not only be low-cost, reach expeditiously rubbish " minimizing, stabilisation, innoxious, resource " requirement, but also realized " comprehensive utilization ", make rubbish become " treasure-house " of constantly benefiting for the mankind, provide a kind of domestic waste to produce composite dry powder fuel for the standby and industrialization method of coal-burning power plant's generating.
According to domestic waste of the present invention, produce composite dry powder fuel for the industrialization method of coal-burning power plant's generating, described method comprises the following steps:
1) reception, pulverizing, sorting
Domestic waste is received and is crushed to below 10cm, then pass through magnetic separation, remove and collect ferrous metal,
By gravity, screen, remove and collect silicates material,
Then by look, select sorting non-ferrous metal again,
Leftover materials are further crushed to below particle diameter 3cm, dewater, and material water ratio is down to below 25%,
Break up the material after dehydration, then carry out sorting and the collection of plastics, ferrous metal and non-ferrous metal are selected and collected to rest materials through magnetic separation and look choosing, again, and rest materials is further pulverized, and makes crushing material to particle diameter 5mm, obtains rubbish meal;
2) normal temperature mummification, meticulous compound
In step 1) add additive in the rubbish meal that obtains, carry out meticulous mummification, compound, while air amount (containing refuse odor), hydrone in rubbish meal is combined with air, discharges together, gas, powder are carried out to separation, collect isolated gas, isolated waste dry powder fineness is 300～800 orders, and mummification degree moisture content is 10% left and right, generally 6%～12%;
3) coal-burning power plant's burning
Step 2) waste dry powder obtaining in, in stove internal combustion, generates electricity.
In composite dry powder fuel production step 2) in, described in the additive that adds, i.e. CaCO 3, the absorbent such as NaCl, addition is 0.5-3%.This fuel is CaCO when high-temp combustion 3be sintered into CaO, the SO in flue gas 2, HCl is absorbed, and generates CaSO 4, CaCl 2, in addition: Ca/ (S+0.5Cl) > 15, thus short its solid sulphur, solid chlorine, suppress bioxin and form.
In the hot regeneration of garbage, waste-water, described in the acidity-basicity regulator that adds, be mainly acid (alkali) liquid (usable acid (alkali) waste liquid).According to acid (alkali) degree of the rubbish waste liquid squeezing out, determine addition, object is that the acid-base value of rubbish waste liquid is adjusted to neutrality.The described modification solvent adding, through the methyl alcohol of modification.The described proportioning of producing flammable liquid (or claiming biological liquid fuel, alcohol-group fuel) is: modification solvent: rubbish waste liquid=55-70: 30-45.
According to domestic waste of the present invention, produce composite dry powder fuel for the industrialization method of coal-burning power plant's generating, according to the composition of domestic waste and physical and chemical performance, first metal wherein, silicates material and plastics are sorted out by separation system; With the meticulous equipment dehydrating of normal temperature, be produced into ultra-fine dry powder again, and add additive agent modified processing, be produced into the generating of composite dry powder fuel electric power supply plant, and the liquid such as sorting and the ferrous metal of processing out, non-ferrous metal, silicates material (brick, stone, glass, sandy soil), waste water, waste gas, plastics, solid, gas adopt respectively different process and equipment to process, realize comprehensive utilization.
According to a specific embodiment of the present invention, what the method was concrete comprises the following steps:
1) reception, pulverizing, sorting
Domestic waste transports factory's automatic weighbridge metering outdoors to through house refuse enclosed type dump truck dedicated and draws code pound station, by automatic gauge, drawing code opens and enters factory's HYF-V type after single and enter three, go out two automatic U-shaped air curtain refuse-unloading passages, this passage is U-shaped, enter vehicle passage and have three-section four-door, automatically induction, on door, air curtain is housed, air only import but no export, car is crossed the 4th sect, rubbish can be discharged into sealed refuse automatic pulverizing storehouse, go out vehicle passage and have two sections three, automatically induction, on door, air curtain is housed, air only import but no export, enter on vehicle passage Yishanmen, be equipped with red, green indicator lamp, commander's Vehicle Driving Cycle.
The other emergent storehouse of stacking of rubbish that is provided with, sealed refuse automatic pulverizing storehouse, prevent from having a power failure, machine maintenance, the accidents such as accident, bottom, sealed refuse automatic pulverizing storehouse is provided with the double-deck four roller rubbish of HYF-v type and pulls and cut broken feeder, rubbish moment that dumper is discharged into pull cut be crushed to 10 centimeters of following particle diameters deliver to the closed magnetic separation conveyor of next assorting room through two road magnetic separation except ferrous metal (iron), then enter HYF-v gravity screening machine, remove silicates thing (brick, stone, glass, husky), then enter again look and select system sorting non-ferrous metal (copper, aluminium), the material of selecting enters gathering system, rest materials enters HYF-V type double teeth roller rubbish and rubs with the hands and to pull pulverizer and rub with the hands to pull and be crushed to particle diameter below 3 centimeters, then enter the powerful pressing waste dewaterer of HYF-V type, material water ratio is dewatered to below 25% below 60%, the material of finished off water is broken up through disperser, then enter HYF-V wind-powered electricity generation separating plastic machine, the plastics of sorting enter gathering system, rest materials again through one magnetic separator magnetic separation ferrous metal with together with color selector system look select non-ferrous metal, metal through selecting enters gathering system, rest materials enters HYF-V type monodentate roll extrusion garbage pulverator, make crushing material to particle diameter below 5 millimeters.
2) normal temperature mummification, meticulous compound
Through step 1) the rubbish meal (grain) that transports after processing enters the meticulous anhydration system of HYF-v type rubbish normal temperature through automatic gauge feeding device, add appropriate additive simultaneously, convention amount is 0.5-3%, carries out meticulous mummification, compound (the meticulous desiccation machine of normal temperature preferably adopts Chinese ZL200820110960.3 utility model patent technology complete set of equipments and 200810094389.5 patent of invention technology complete set of equipments and methods).This machine is opened the molecular structure of rubbish by brute force, change the surface tension of rubbish and water, and at one time, rely on the air of a large amount of inspirations of dehydration and drying machine, utilize the compatibility of water and water in air part, hydrone was combined with large quantity of air moment, discharge together outside machine, through wet separator to gas, powder carries out separation, isolated gas is collected through deduster, the wet smelly air that deduster is collected enters foul smell gathering-device, major part is sucked automatically by the meticulous anhydration system of rubbish normal temperature, circulation (anhydration system need absorb large quantity of air) in realizing, few part is burnt in the lump with self-produced liquid fuel, also can process rear qualified discharge by waste gas (water) purifier, isolated waste dry powder enters rubbish composite dry powder fuel silo after conveyer is sent into elevator, the quality of this dry powder reaches combustion requirements, fineness is 300-800 order, mummification degree is
moisture content10% left and right.If (Nei，Ke power plant of destructor plant Bu power plant separately establishes waste dry powder silo, is transported into power plant with tank car.)
3) coal-burning power plant's burning
The material of rubbish composite dry powder fuel silo is squeezed into four starch storehouses of separately establishing of four jiaos, boiler by storehouse pump, and------wind powder mixer---airduct on boiler---super critical boiler burner (interface is that boiler feed mouth is from counting second and third layer above) makes material normal combustion in stove to flapper by machine supplying powder.(the coal pulverizer import that also can squeeze into power plant's coal mill system by the metering of storehouse pump from the material of waste dry powder silo, makes coal dust and rubbish powder multifuel combustion in stove.) whole project overall process all can adopt automatic control, and provide and show dynamically, in real time production overall process.
Method of the present invention can further include the step of dry powder burning method ancillary works technique, and what this step was concrete is:
1) waste gas in recycle and the hot regeneration of waste water
In waste gas, recycle
In transporting overall process, garbage feeding, sorting, pulverizing, dehydration, mummification all can produce refuse odor.Therefore, at this, partly produce inlet scoop is all housed on equipment, and at sealing workshop, negative pressure outfit is housed, make foul smell all be collected into waste gas bag, waste gas bag vent valve connects meticulous anhydration system air supply trough, and large quantity of exhaust gas is sucked automatically by anhydration system, circulation in realizing, a small amount of foul smell can enter atomizer burner with self-produced liquid fuel---and burner hearth burns in the lump, qualified discharge after also can being processed by waste gas purification apparatus.
The hot regeneration of waste water
Pulverizing, deposit, all produce waste water in dehydration, drying process, unification is collected and is entered wastewater disposal basin by pipeline, then removes impurity through filtering clean system, adds additive agent modified, add in addition modification solvent to make flammable liquid, this liquid burning can reach 1200-1500 ℃ of ignition temperature.
2) ferrous metal collection and treatment
Iron that magnetic separator gets off is through en-masse conveyer centralized recovery, then clears up, metering, piece, sale.
3) non-ferrous metal collection and treatment
The non-ferrous metal artificial separations such as the copper that color selector gets off, aluminium, lead, metering, packing are sold.
4) silicates thing is processed
After the things such as the brick that gravity concentrator gets off, stone, sand are pulverized, be pressed into building materials and sell.
5) Treatment of Waste Plastics
The waste plastics that separating plastic machine gets off is collected with air duct, then sorting, granulation, packing are sold.
The present invention also provides a kind of domestic waste to produce composite dry powder fuel for the equipment of coal-burning power plant's generating, and described equipment comprises the meticulous hybrid system of collection processing system implementing, dewatering system and mummification of crushing system, ferrous metal collection processing system implementing, non-ferrous metal collection processing system implementing, silicates thing collection processing system implementing, waste plastics;
Described domestic waste is drawn code pound through automatic weighbridge metering and is stood, entering factory's HYF-V type enters three, goes out two automatic U-shaped air curtain refuse-unloading passages, then enter the sealed refuse automatic pulverizing storehouse of crushing system, by the double-deck four roller rubbish of HYF-V type that arrange in sealed refuse automatic pulverizing storehouse, pull and cut broken feeder, by garbage crushing;
The rubbish of pulverizing is delivered to ferrous metal collection processing system implementing, through closed magnetic separation conveyor, carry out magnetic separation and remove and collect ferrous metal;
Then enter silicates thing collection processing system implementing, by the HYF-V gravity screening machine in this system, remove silicates material and collect;
Then enter again non-ferrous metal collection processing system implementing through color selector sorting non-ferrous metal;
The HYF-V type double teeth roller rubbish that rest materials enters crushing system is rubbed with the hands and to be pulled pulverizer and pulverize;
The powerful pressing waste dewaterer of HYF-V type that then enters dewatering system dewaters, material after dehydration is through breaing up the laggard collection processing system implementing that enters waste plastics, by the HYF-V wind-powered electricity generation separating plastic machine of this system, sorting is also collected plastics, rest materials is carried out sorting and the collection of metal through another ferrous metal collection processing system implementing, non-ferrous metal collection processing system implementing again, and rest materials enters the HYF-V type monodentate roll extrusion garbage pulverator of another crushing system and further pulverizes;
Material after further pulverizing enters the meticulous hybrid system of mummification, through the meticulous anhydration system of HYF-V type rubbish normal temperature, carry out meticulous mummification, compound, last material carries out separation through wet separator to gas, powder, isolated waste dry powder enters rubbish composite dry powder fuel silo after conveyer is sent into elevator, sends into burner and burns.
According to a specific implementation process of the present invention, applying device fabrication fuel dry powder of the present invention comprises for the detailed process of coal-burning power plant generating: described domestic waste is drawn code pound station through the automatic weighbridge metering of this unit, enter factory's HYF-V type and enter three, go out two automatic U-shaped air curtain refuse-unloading passages, then enter rubbish is discharged into sealed refuse automatic pulverizing storehouse, bottom, described sealed refuse automatic pulverizing storehouse is provided with the double-deck four roller rubbish of HYF-V type and pulls and cut broken feeder, by rubbish moment pull cut pulverize deliver to closed magnetic separation conveyor through two road magnetic separation except ferrous metal, then enter HYF-V gravity screening machine, remove silicates thing, then entering look selects system sorting non-ferrous metal again, rest materials enters HYF-V type double teeth roller rubbish and rubs with the hands and to pull pulverizer and rub with the hands and pull pulverizing, then enter the powerful pressing waste dewaterer of HYF-V type, the material of finished off water is broken up through disperser, then enter HYF-V wind-powered electricity generation separating plastic machine, the plastics of sorting enter gathering system, rest materials again through one magnetic separator magnetic separation ferrous metal with together with color selector system look select non-ferrous metal, metal through selecting enters gathering system, rest materials enters HYF-V type monodentate roll extrusion garbage pulverator, pulverizing enters the meticulous anhydration system of HYF-V type rubbish normal temperature by automatic gauge feeding device, carries out meticulous mummification, compound, last material through wet separator to gas, powder carries out separation, isolated waste dry powder enters rubbish composite dry powder fuel silo after conveyer is sent into elevator, the material of rubbish composite dry powder fuel silo is squeezed into four starch storehouses of separately establishing of four jiaos, boiler by storehouse pump, and by machine supplying powder---flapper---wind powder mixer---airduct on boiler---super critical boiler burner, make material in entering stove, the present invention produces composite dry powder fuel for the industrialization method of coal-burning power plant's generating according to domestic waste provided by the invention, the processing step of production method and technological parameter all with main equipment: HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages, HYF-V type monodentate roll extrusion garbage pulverator, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder, the meticulous anhydration system of HYF-V type rubbish normal temperature, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder, the meticulous anhydration system of HYF-V type rubbish normal temperature, HYF-V type double teeth roller rubbish is rubbed with the hands and is pulled pulverizer, the powerful pressing waste dewaterer of HYF-V type, HYF-V gravity screening machine, HYF-V wind-powered electricity generation separating plastic machine, HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages, HYF-V type monodentate roll extrusion garbage pulverator, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder.
Described ferrous metal collection processing system implementing comprises: closed
magnetic separation conveyor7, belt feeder conveyer 2.2.3.1, concentrate cleaning, metering, piece equipment 2.2.3.2 and be delivered into library facilities 2.2.3.3, for by ferrous metal centralized recovery, then clear up, metering, piece, sale;
Described non-ferrous metal collection processing system implementing comprises:
color selector10, belt feeder are carried and collected 2.2.4.1, concentrate cleaning, classification, metering, piece equipment 2.2.4.2 and be delivered into library facilities 2.2.4.3, for by non-ferrous metal centralized recovery, then clear up, metering, piece, sale;
Described silicates thing collection processing system implementing comprises: HYF-V
gravity screening machine9, belt feeder are carried and collected 2.2.5.1, disintegrating apparatus 2.2.5.2 screening installation 2.2.5.3 and building materials former 2.2.5.4, after the things such as the brick of sorting, stone, sand are pulverized, be pressed into building materials and sell;
The collection processing system implementing of described waste plastics comprises: HYF-V wind-powered electricity generation separating plastic machine 17, air duct gathering machine 2.2.6.1, wind-powered electricity generation separating plastic machine, comminutor, baling press 2.2.6.2; for the waste plastics of sorting is collected with air duct, then sorting, granulation, packing are sold.
Described equipment also comprises that domestic waste prepares dry powder auxiliary unit and further comprise: gas sampling treatment system, wastewater collection treatment system, described gas sampling treatment system comprises: gas sampling pipe network 2.2.1.1, waste gas bag 2.2.1.2 and gas sampling, discharge, processing control room 2.2.1.3, for the foul smell of generation is all collected into waste gas bag, burn in the lump with self-produced liquid fuel;
Described wastewater collection treatment system comprises: garbage, waste-water is collected pipe network 2.2.2.1, wastewater collection pond 2.2.2.2, waste water is filtered clean system 2.2.23, wastewater treatment solvent preparation storehouse 2.2.2.4, waste water production liquid fuel workshop 2.2.2.5, waste liquid fuel, waste gas atomizer burner 2.2.2.6 and liquid fuel storehouse 2.2.2.6, for waste water modification is prepared to flammable liquid.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, described equipment mainly comprises: HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages, HYF-V type monodentate roll extrusion garbage pulverator, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder, the meticulous anhydration system of HYF-V type rubbish normal temperature, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder, the meticulous anhydration system of HYF-V type rubbish normal temperature, HYF-V type double teeth roller rubbish is rubbed with the hands and is pulled pulverizer, the powerful pressing waste dewaterer of HYF-V type, HYF-V gravity screening machine, HYF-V wind-powered electricity generation separating plastic machine, HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages, HYF-V type monodentate roll extrusion garbage pulverator, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages as shown in Figure 1, this refuse-unloading passage comprises rubbish vehicle unloading admission passage 1.1, this passage is divided into three sections, four sects are housed, automatic air curtain is all housed on every sect, be that vehicle enters the automatic air-curtain door 1.2 of first, vehicle enters the automatic air-curtain door 1.3 of second, vehicle enters the automatic air-curtain door 1.4 in San road, vehicle enters the automatic air-curtain door 1.5 in Si road, rubbish discharge car enters the automatic air curtain of first doorway, door is opened, wind in air curtain will blow in wind direction passage outdoors simultaneously, the air of the inside can only be flowed to the inside, the car back door of entering is closed automatically, air curtain stops blowing, car crosses second, three, the four automatic air-curtain doors in road are like this equally, discharge car has been crossed rubbish vehicle unloading admission passage 1.1, the rubbish vehicle unloading area 1.6 of having arrived, can the tailstock rubbish be discharged into the rubbish of marching into the arena backwards and unloads material containing mouth 1.7, under case of emergency, can be discharged into interim rubbish heap warehousing 1.12, the vehicle of unsnatching material can return by backward channel 1.8 after the unloading of rubbish vehicle, after the unloading of rubbish vehicle, backward channel 1.8 is divided into 2 sections, three sects and air curtain apparatus 1.9 are housed, 1.10, 1.11.Function is identical with feeding-passage, and wind direction is also to blow toward unloading material containing mouth direction.Guarantee that rubbish stink does not leak.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein the double-deck four roller rubbish of HYF-V type pull and cut broken feeder as shown in Figure 2, this feeder comprises pulling to cut broken part 2.1 and connect material carries part 2.2, it pulls cuts broken part 2.1 (seeing Fig. 2 .1) and is characterised in that and comprises totally four of motor 2.1.1.1, by shaft coupling 2.1.2.1, connect respectively, then be communicated with respectively again reduction box 2.1.3.1, connect again shaft coupling 2.1.4.1, these four shaft couplings connect respectively main shaft 2.1.8.1, main shaft 2.1.8.1, on all arrange and pull cutting knife 2.1.7.1, pull and in the operation process of cutting knife 2.1.7.1, form 4 and pull tangent plane 2.1.1.1.1, see Fig. 2 .1.1, the broken part of complete machine is equipped with housing 2.1.5.1, connect material and carry part 2.2, that common conveying worm is contained in and pulls the lower end of cutting broken part, after connecting material, by pulling the material of cutting, transfer out.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein the powerful pressing waste dewaterer of HYF-V type as shown in Figure 3, this dewaterer comprises motor 3.1, reduction box 3.3, centre has shaft coupling 3.2 to connect, reduction box 3.3 out has again shaft coupling 3.2 connection for transmission axles 3.6, the front end of power transmission shaft 3.6 is equipped with bearing block casing 3.5, be mainly used to support kick, a bearing block 3.4 is respectively equipped with at bearing block casing 3.5 two ends, spiral sleeve 3.7 is housed respectively on power transmission shaft 3.6, axle sleeve diameter 3.8 < 3.9 < 3.10 < 3.11, make the compression ratio one-level of material be greater than one-level, all be contained according to the order of sequence after bearing block casing 3.5, spiral sleeve 3.7 tail ends are equipped with respectively taper sleeve 3.11, spiral sleeve 3.7 is outer all scale spiral.Front end at dewaterer is equipped with charging aperture 3.10, and tail end is equipped with tapered discharging opening 3.9, in spiral outside, shaped spiral housing 3.8 is housed.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein HYF-V type double teeth roller rubbish is rubbed with the hands and to be pulled pulverizer, HYF-V gravity screening machine, HYF-V type monodentate roll extrusion garbage pulverator, the HYF-V wind-powered electricity generation separating plastic machine equipment Jun You Jiangsu He Le of Zhangjagang City plant equipment Co., Ltd and provide, and the common apparatus such as relevant conveyer, elevator, magnetic separator de-ironing, color selector can be in the buying of many machinery plants.
In addition, the present invention also controls by the following method, to realize object of the present invention:
Source decrement: by below separating plastic to 1%, make its chlorion that enters burning zone reduce to minimum flow on refuse classification, reduce He Cheng bioxin composition.
Source is controlled: in rubbish composite dry powder fuel production, add solid sulphur, solid chlorine, fixed nitrogen additive, make garbage fuel powder in burning overall process, realize solid chlorine, solid sulphur, fixed nitrogen, and suppress dioxins materials and form, reach from source and control.
Quality guarantee: rubbish composite dry powder fuel particle diameter is 300-800 order, the materialization quality of moisture content≤10%, make rubbish composite dry powder fuel in stove, greatly shorten burning time and improved the burn-off rate of material, also greatly reducing dioxin thing, chlorine, nitrogen synthetic condition again simultaneously.
Furnace temperature guarantees: rubbish composite dry powder fuel is sent into the position of super critical boiler burner (interface is from counting second and third layer above), and conventional state has the temperature of 1200 ℃-1500 ℃, and in this temperature environment, burning can not generation bioxin.
Time guarantees: flue gas, higher than the time of staying > 3s of 850 ℃, impels dioxin thing to be difficult to again synthesize.
The feature of dry powder burning method provided by the invention is:
1, easy, practical
1) sorting meets rubbish present situation and application requirements
2) dehydration and drying all carries out at normal temperatures, without any thermal source, heats
3) start of whole equipment and setup times are extremely short, and material can empty at any time, be convenient to factory shutdown, reset, restart and keep in repair.
2, safe and reliable
1) flow velocity of material, temperature, humidity, gas-solid ratio all beyond, explosion limit range inflammable at powder in dehydration and drying system.
2) transmission of whole material, gas is all carried out under field conditions (factors).
3) plant maintenance quantities is little, and the cycle is short, does not affect production line overall operation.
3, health, harmless
1) harmful pathogen such as the various pathogenic bacteria that exist in rubbish, Escherichia coli have all been killed in process of production, and without the condition (having 120 ℃ of temperature in drying process) of surviving and breeding.
2) rubbish from metering, the sorting of putting in storage, mummification, go out product waste water, foul smell, peculiar smell completely and collect by de-taste deodorizing pipe network, unify processing up to standard.
3) rubbish composite dry powder fuel in burning, burning after discharge of poisonous waste amount minimum.
Accompanying drawing explanation
Fig. 1 is that HYF-V type enters three, goes out two automatic U-shaped air curtain refuse-unloading passages;
Fig. 2 is that the double-deck four roller rubbish of HYF-V type pull and cut broken feeder;
Fig. 3 is that the double-deck four roller rubbish of HYF-V type pull and cut broken feeder horizontal layout;
Fig. 4 is for pulling cutting knife;
Fig. 5 is feed screw;
Fig. 6 is the powerful pressing waste dewaterer of HYF-V type;
Domestic waste electrification technique as well as flow chart for Tu7Wei coal-burning power plant;
Fig. 8 is the hot regeneration flow chart of waste gas, waste water;
Fig. 9 is ferrous metal collection and treatment flow chart;
Figure 10 is non-ferrous metal collection and treatment flow chart;
Figure 11 is silicates thing collection and treatment flow chart;
Figure 12 is the collection and treatment flow chart of waste plastics;
Figure 13 is the overall schematic aerial part of processor for urban domestic garbage of the present invention;
Figure 14 is the overall schematic under ground portion of processor for urban domestic garbage of the present invention.
Accompanying drawing sign
1, domestic waste enclosed type dump truck dedicated 2, automatic weighbridge metering are drawn code pound and are stood
3, HYF-V type enters three, goes out two automatic U-shaped air curtain refuse-unloading passages
4, emergent storehouse 5, the sealed refuse automatic pulverizing storehouse of stacking of sealed refuse
6, the double-deck four roller rubbish of HYF-V type pull and cut broken feeder
7, closed
magnetic separation conveyor9, HYF-V gravity screening machine
10,
color selector11, en-masse conveyer
12, HYF-v type double teeth roller rubbish is rubbed with the hands and is pulled pulverizer
13, the powerful pressing waste dewaterer 15 of HYF-V type, disperser
17, HYF-V wind-powered electricity generation separating plastic machine 20, en-masse conveyer
21, HYF-V type monodentate roll
extrusion garbage pulverator22, conveying worm
23, the meticulous anhydration system 24 of HYF-V type rubbish normal temperature, additive silo
25, metering conveying pump 27, elevator
28, waste dry powder silo 29, storehouse pump
30, four jiaos of each starch storehouses 31 of boiler, machine supplying powder
32, flapper 33, wind powder mixer
34, switch board,
microcomputer control centre35, feed bin
1.1 rubbish vehicle unloading admission passage 1.2 rubbish vehicles enter the automatic air-curtain door of first
1.3 rubbish vehicles enter the automatic air-curtain door 1.4 rubbish vehicles of second and enter the automatic air-curtain door in San road
1.5 rubbish vehicles enter the automatic air-curtain door 1.6 rubbish vehicle unloading areas in Si road
1.7 rubbish of marching into the arena unload backward channel after the 1.8 rubbish vehicles unloadings of material containing mouth
The automatic air-curtain door of second after the automatic air-curtain door 1.10 rubbish vehicle unloadings of first after 1.9 rubbish vehicle unloadings
1.11 rubbish vehicle unloading Hou tri-automatic air-curtain door 1.12 interim dumping storehouses, road
2.2.1.1, gas sampling pipe network 2.2.1.2, waste gas bag
2.2.1.3, gas sampling, discharge, processing control room
2.2.2.1, garbage, waste-water is collected pipe network 2.2.2.2, wastewater collection pond
2.2.2.3, waste water is filtered clean system 2.2.2.4, wastewater treatment solvent preparation storehouse
2.2.2.5, waste water is produced liquid fuel workshop 2.2.2.6, waste liquid fuel, waste gas atomizer burner
2.2.2.7, liquid fuel storehouse 2.2.3.1, the first belt feeder conveyer
2.2.3.2, first concentrate cleaning, metering, piece equipment
2.2.3.3, be delivered into library facilities
2.2.4.1, the second belt feeder conveyer 2.2.4.2, second concentrates cleaning, classification, metering, piece equipment
2.2.4.3, be delivered into library facilities
2.2.5.1, the 3rd belt feeder conveyer 2.2.5.2, disintegrating apparatus
2.2.53, screening installation 2.2.5.4. building materials former
2.2.6.1, air duct gathering machine 2.2.6.2, wind-powered electricity generation separating plastic machine, comminutor, baling press
2.1.1.1, motor 2.1.2.1, shaft coupling 2.1.3.1, reduction box
2.1.8.1, main shaft 2.1.7.1, pull cutting knife 2.1.1.1.1, pull tangent plane
2.1.5.1, housing
3.1 motor 3.2 shaft coupling 3.3 reduction boxes
3.4 bearing block 3.5 bearing block casing 3.6 power transmission shafts
3.7 spiral sleeve 3.8 shaped spiral housing 3.9 conical discharge ports
3.10 charging aperture 3.11 taper sheaths
The specific embodiment
The present invention further illustrates the present invention with the following example, but protection scope of the present invention is not limited to the following example.
1, domestic waste provided by the invention is produced composite dry powder fuel for the method for coal-burning power plant's generating
Domestic waste provided by the invention is produced the method for composite dry powder fuel, according to the composition of domestic waste and physical and chemical performance, first metal wherein, silicates material and plastics is sorted out by separation system; With the meticulous equipment dehydrating of normal temperature, be produced into ultra-fine dry powder again, and add additive agent modified processing, be produced into the generating of composite dry powder fuel electric power supply plant, and the liquid such as sorting and the ferrous metal of processing out, non-ferrous metal, silicates material (brick, stone, glass, sandy soil), waste water, waste gas, plastics, solid, gas adopt respectively different process and equipment to process, realize comprehensive utilization.
Domestic waste provided by the invention is produced the method for composite dry powder fuel, comprises the following steps:
1) reception, pulverizing, sorting
Domestic waste transports factory's automatic weighbridge metering outdoors to through house refuse enclosed type dump truck dedicated and draws code pound station, by automatic gauge, drawing code opens and enters factory's HYF-V type after single and enter three, go out two automatic U-shaped air curtain refuse-unloading passages, this passage is U-shaped, enter vehicle passage and have three-section four-door, automatically induction, on door, air curtain is housed, air only import but no export, car is crossed the 4th sect, rubbish can be discharged into sealed refuse automatic pulverizing storehouse, go out vehicle passage and have two sections three, automatically induction, on door, air curtain is housed, air only import but no export, enter on vehicle passage Yishanmen, be equipped with red, green indicator lamp, commander's Vehicle Driving Cycle.
The other emergent storehouse of stacking of rubbish that is provided with, sealed refuse automatic pulverizing storehouse, prevent from having a power failure, machine maintenance, the accidents such as accident, bottom, sealed refuse automatic pulverizing storehouse is provided with the double-deck four roller rubbish of HYF-v type and pulls and cut broken feeder, rubbish moment that dumper is discharged into pull cut be crushed to 10 centimeters of following particle diameters deliver to the closed magnetic separation conveyor of next assorting room through two road magnetic separation except ferrous metal (iron), then enter HYF-v gravity screening machine, remove silicates thing (brick, stone, glass, husky), then enter again look and select system sorting non-ferrous metal (copper, aluminium), the material of selecting enters gathering system, rest materials enters HYF-v type double teeth roller rubbish and rubs with the hands and to pull pulverizer and rub with the hands to pull and be crushed to particle diameter below 3 centimeters, then enter the powerful pressing waste dewaterer of HYF-v type, material water ratio is dewatered to below 25% below 60%, the material of finished off water is broken up through disperser, then enter HYF-v wind-powered electricity generation separating plastic machine, the plastics of sorting enter gathering system, rest materials again through one magnetic separator magnetic separation ferrous metal with together with color selector system look select non-ferrous metal, metal through selecting enters gathering system, rest materials enters HYF-v type monodentate roll extrusion garbage pulverator, make crushing material to particle diameter below 5 millimeters.
2) normal temperature mummification, meticulous compound
Through step 1) the rubbish meal (grain) that transports after processing enters the meticulous anhydration system of HYF-v type rubbish normal temperature through automatic gauge feeding device, add appropriate additive simultaneously, convention amount is 0.5-3%, carries out meticulous mummification, compound (the meticulous desiccation machine of normal temperature preferably adopts Chinese ZL200820110960.3 utility model patent technology complete set of equipments and 200810094389.5 patent of invention technology complete set of equipments and methods).This machine is opened the molecular structure of rubbish by brute force, change the surface tension of rubbish and water, and at one time, rely on the air of a large amount of inspirations of dehydration and drying machine, utilize the compatibility of water and water in air part, hydrone was combined with large quantity of air moment, discharge together outside machine, through wet separator to gas, powder carries out separation, isolated gas is collected through deduster, the wet smelly air that deduster is collected enters foul smell gathering-device, then by waste gas (water) purifier, carry out utilization up to standard, isolated waste dry powder enters rubbish composite dry powder fuel silo after conveyer is sent into elevator, the quality of this dry powder reaches combustion requirements, fineness is 300-800 order, mummification degree is that moisture content is below 10%.If (Nei，Ke power plant of destructor plant Bu power plant separately establishes waste dry powder silo, is transported into power plant with tank car.)
3) coal-burning power plant's burning
The material of rubbish composite dry powder fuel silo is squeezed into four starch storehouses of separately establishing of four jiaos, boiler by storehouse pump, and------wind powder mixer---airduct on boiler---super critical boiler burner (interface is that boiler feed mouth is from counting second and third layer above) makes material normal combustion in stove to flapper by machine supplying powder.(the coal pulverizer import that also can squeeze into power plant's coal mill system by the metering of storehouse pump from the material of waste dry powder silo, makes coal dust and rubbish powder multifuel combustion in stove.) whole project overall process all can adopt automatic control, and provide and show dynamically, in real time production overall process.
2, technique forms
In the present invention, domestic waste production composite dry powder fuel comprises the meticulous hybrid system of collection processing system implementing, dewatering system and mummification of crushing system, ferrous metal collection processing system implementing, non-ferrous metal collection processing system implementing, silicates thing collection processing system implementing, waste plastics for the equipment of coal-burning power plant's generating;
Described domestic waste is drawn code pound through automatic weighbridge metering and is stood, entering factory's HYF-V type enters three, goes out two automatic U-shaped air curtain refuse-unloading passages, then enter the sealed refuse automatic pulverizing storehouse of crushing system, by the double-deck four roller rubbish of HYF-V type that arrange in sealed refuse automatic pulverizing storehouse, pull and cut broken feeder, by garbage crushing;
The rubbish of pulverizing is delivered to ferrous metal collection processing system implementing, through closed magnetic separation conveyor, carry out magnetic separation and remove and collect ferrous metal;
Then enter silicates thing collection processing system implementing, by the HYF-V gravity screening machine in this system, remove silicates material and collect;
Then enter again non-ferrous metal collection processing system implementing through color selector sorting non-ferrous metal;
The HYF-V type double teeth roller rubbish that rest materials enters crushing system is rubbed with the hands and to be pulled pulverizer and pulverize;
The powerful pressing waste dewaterer of HYF-V type that then enters dewatering system dewaters, material after dehydration is through breaing up the laggard collection processing system implementing that enters waste plastics, by the HYF-V wind-powered electricity generation separating plastic machine of this system, sorting is also collected plastics, rest materials is carried out sorting and the collection of metal through another ferrous metal collection processing system implementing, non-ferrous metal collection processing system implementing again, and rest materials enters the HYF-V type monodentate roll extrusion garbage pulverator of another crushing system and further pulverizes;
Material after further pulverizing enters the meticulous hybrid system of mummification, through the meticulous anhydration system of HYF-V type rubbish normal temperature, carry out meticulous mummification, compound, last material carries out separation through wet separator to gas, powder, isolated waste dry powder enters rubbish composite dry powder fuel silo after conveyer is sent into elevator, sends into burner and burns.
Described ferrous metal collection processing system implementing comprises: closed
magnetic separation conveyor7, the first belt feeder conveyer 2.2.3.1, first concentrate cleaning, metering, piece equipment 2.2.3.2 and first to be delivered into library facilities 2.2.3.3, for by ferrous metal centralized recovery, then clear up, metering, piece, sale;
Described non-ferrous metal collection processing system implementing comprises:
color selector10, the second belt feeder conveyer 2.2.4.1, second concentrate cleaning, classification, metering, piece equipment 2.2.4.2 and second to be delivered into library facilities 2.2.4.3, for by non-ferrous metal centralized recovery, then clear up, metering, piece, sale;
Described silicates thing collection processing system implementing comprises: HYF-V
gravity screening machine9, the 3rd belt feeder conveyer 2.2.5.1, disintegrating apparatus 2.2.5.2/ screening installation 2.2.5.3 and building materials former 2.2.5.4, after the things such as the brick of sorting, stone, sand are pulverized, be pressed into building materials and sell;
The collection processing system implementing of described waste plastics comprises: HYF-V wind-powered electricity generation separating plastic machine 17, air duct gathering machine 2.2.6.1, wind-powered electricity generation separating plastic machine, comminutor, baling press 2.2.62; for the waste plastics of sorting is collected with air duct, then sorting, granulation, packing are sold.
Described equipment also comprises gas sampling treatment system, wastewater collection treatment system,
Described gas sampling treatment system comprises: gas sampling pipe network 2.2.1.1, waste gas bag 2.2.1.2 and gas sampling, discharge, processing control room 2.2.1.3, for the foul smell of generation is all collected into waste gas bag, burn in the lump with self-produced liquid fuel;
Described wastewater collection treatment system comprises: garbage, waste-water is collected pipe network 2.2.2.1, wastewater collection pond 2.2.2.2, waste water is filtered clean system 2.2.2.3, wastewater treatment solvent preparation storehouse 2.2.2.4, waste water production liquid fuel workshop 2.2.2.5, waste liquid fuel, waste gas atomizer burner 2.2.2.6 and liquid fuel storehouse 2.2.2.6, for waste water modification is prepared to flammable liquid.
Concrete equipment of the present invention is comprised of following machine:
1. code pound station is drawn in the automatic weighbridge metering of domestic waste enclosed type dump truck dedicated 2.
3.HYF-V type enters three, goes out two automatic U-shaped air curtain refuse-unloading passages
4. sealed refuse is met an urgent need and is stacked 5. sealed refuse automatic pulverizing storehouses, storehouse
The double-deck four roller rubbish of 6.HYF-V type pull cuts broken feeder
7. the closed magnetic separation conveyor of closed magnetic separation conveyor 8.
9.HYF-V
gravity screening machine10. looks
select system11. en-masse conveyers
12.HYF-V type double teeth roller rubbish is rubbed with the hands and is pulled pulverizer
The powerful pressing waste dewaterer of 13.HYF-V type
14. en-masse conveyer 15. disperser 16. en-masse conveyers
17.HYF-V wind-powered electricity generation separating plastic machine 18. closed magnetic separation conveyors
19. looks select system 20. en-masse conveyers
21.HYF-V type monodentate roll
extrusion garbage pulverator22. conveying worms
The meticulous anhydration system of 23.HYF-V type rubbish normal temperature
24. additive silo 25. metering conveying pump 26. conveying worms
27. elevator 28. waste dry powder silo 29. storehouse pumps
Each starch storehouse 31. machine supplying powder 32. flapper of 30. four jiaos, boilers
33. wind powder mixer 34. switch boards, microcomputer control centre
2.2 dry powder burning method ancillary works techniques are comprised of following engineering unit
2.2.1 gas sampling treatment system, consists of following content:
1. gas
sampling pipe network2. waste gas bag 3. gas samplings, discharge, processing control room
2.2.2 wastewater collection treatment system, consists of following content:
1. garbage, waste-water is collected
pipe network2. wastewater collection pond 3. waste water and is filtered clean system
4. wastewater treatment solvent preparation storehouse 5. waste water are produced liquid fuel workshop
6. waste liquid fuel, waste
gas atomizer burner7. liquid fuel storehouses
2.2.3 ferrous metal collection processing system implementing, consists of following content:
1.
belt feeder conveyer2. is concentrated cleaning, metering, piece equipment
3. be delivered into library facilities
2.2.4 non-ferrous metal collection processing system implementing, consists of following content:
1.
belt feeder conveyer2. is concentrated cleaning, classification, metering, piece equipment
3. be delivered into library facilities
2.2.5 silicates thing collection processing system implementing, consists of following content:
1.
belt feeder conveyer2. disintegrating apparatus 3. screening installations
4. building materials former
2.2.6 the collection processing system implementing of waste plastics, consists of following content:
1. air
duct gathering machine2. wind-powered electricity generation separating plastic machines, comminutor, baling press
3, process implementing step is described
3.1 dry powder burning method major project process implementing steps are described
1. receive, pulverizing, sorting
Domestic waste transports factory's automatic weighbridge metering outdoors to through house refuse enclosed type dump truck dedicated and draws code pound station, by automatic gauge, drawing code opens and enters factory's HYF-V type after single and enter three, go out two automatic U-shaped air curtain refuse-unloading passages, this passage is U-shaped, enter vehicle passage and have three-section four-door, automatically induction, on door, air curtain is housed, air only import but no export, car is crossed the 4th sect, rubbish can be discharged into sealed refuse automatic pulverizing storehouse, go out vehicle passage and have two sections three, automatically induction, on door, air curtain is housed, air only import but no export, enter on vehicle passage Yishanmen, be equipped with red, green indicator lamp, commander's Vehicle Driving Cycle.
The other emergent storehouse of stacking of rubbish that is provided with, sealed refuse automatic pulverizing storehouse, prevent from having a power failure, machine maintenance, the accidents such as accident, bottom, sealed refuse automatic pulverizing storehouse is provided with the double-deck four roller rubbish of HYF-v type and pulls and cut broken feeder, rubbish moment that dumper is discharged into pull cut be crushed to 10 centimeters of following particle diameters deliver to the closed magnetic separation conveyor of next assorting room through two road magnetic separation except ferrous metal (iron), then enter HYF-v gravity screening machine, remove silicates thing (brick, stone, glass, husky), then enter again look and select system sorting non-ferrous metal (copper, aluminium), the material of selecting enters gathering system, rest materials enters HYF-v type double teeth roller rubbish and rubs with the hands and to pull pulverizer and rub with the hands to pull and be crushed to particle diameter below 3 centimeters, then enter the powerful pressing waste dewaterer of HYF-v type, material water ratio is dewatered to below 25% below 60%, the material of finished off water is broken up through disperser, then enter HYF-V wind-powered electricity generation separating plastic machine, the plastics of sorting enter gathering system, rest materials again through one magnetic separator magnetic separation ferrous metal with together with color selector system look select non-ferrous metal, metal through selecting enters gathering system, rest materials enters HYF-V type monodentate roll extrusion garbage pulverator, make crushing material to particle diameter below 5 millimeters.
2. normal temperature mummification, meticulous compound
The rubbish meal (grain) transporting after 1. step is processed enters the meticulous anhydration system of HYF-V type rubbish normal temperature through automatic gauge feeding device, add appropriate additive simultaneously, convention amount is 0.5-3%, carries out meticulous mummification, compound (the meticulous desiccation machine of normal temperature preferably adopts Chinese ZL200820110960.3 utility model patent technology complete set of equipments and 200810094389.5 patent of invention technology complete set of equipments and methods).This machine is opened the molecular structure of rubbish by brute force, change the surface tension of rubbish and water, and at one time, rely on the air of a large amount of inspirations of dehydration and drying machine, utilize the compatibility of water and water in air part, hydrone was combined with large quantity of air moment, discharge together outside machine, through wet separator to gas, powder carries out separation, isolated gas is collected through deduster, the wet smelly air that deduster is collected enters foul smell gathering-device, then by waste gas (water) purifier, carry out utilization up to standard, isolated waste dry powder enters rubbish composite dry powder fuel silo after conveyer is sent into elevator, the quality of this dry powder reaches combustion requirements, fineness is 300-800 order, mummification degree is that moisture content is below 10%.If (Nei，Ke power plant of destructor plant Bu power plant separately establishes waste dry powder silo, is transported into power plant with tank car.)
3. coal-burning power plant's burning
The material of rubbish composite dry powder fuel silo is squeezed into four starch storehouses of separately establishing of four jiaos, boiler by storehouse pump, and------wind powder mixer---airduct on boiler---super critical boiler burner (interface is that boiler feed mouth is from counting second and third layer above) makes material normal combustion in stove to flapper by machine supplying powder.(the coal pulverizer import that also can squeeze into power plant's coal mill system by the metering of storehouse pump from the material of waste dry powder silo, makes coal dust and rubbish powder multifuel combustion in stove.)
Note: whole project overall process all can adopt automatic control, and provide and show dynamically, in real time production overall process.
3.2 dry powder burning method ancillary works process implementing steps are described
A. waste gas, the hot regeneration of waste water
In waste gas, recycle
In transporting overall process, garbage feeding, sorting, pulverizing, dehydration, mummification all can produce refuse odor.Therefore, at this, partly produce inlet scoop is all housed on equipment, and at sealing workshop, negative pressure outfit is housed, make foul smell all be collected into waste gas bag, waste gas bag vent valve connects meticulous anhydration system air supply trough, and large quantity of exhaust gas is sucked automatically by anhydration system, circulation in realizing, a small amount of foul smell and self-produced liquid fuel enter atomizer burner---and burner hearth burns in the lump, also can process rear discharge up to standard by waste gas purification apparatus.
The hot regeneration of waste water
Pulverizing, deposit, all produce waste water in dehydration, drying process, unification is collected and is entered wastewater disposal basin by pipeline, then removes impurity through filtering clean system, adds additive agent modified, add in addition modification solvent to make flammable liquid, this liquid burning can reach 1200-1500 ℃ of ignition temperature.
B. ferrous metal collection and treatment
Iron that magnetic separator gets off is through en-masse conveyer centralized recovery, then clears up, metering, piece, sale.
C. non-ferrous metal collection and treatment
The non-ferrous metal artificial separations such as the copper that color selector gets off, aluminium, lead, metering, packing are sold.
D. silicates thing is processed
After the things such as the brick that gravity concentrator gets off, stone, sand are pulverized, be pressed into building materials and sell.
E. Treatment of Waste Plastics
The waste plastics that separating plastic machine gets off is collected with air duct, then sorting, granulation, packing are sold.
4. main design parameters
4.1 treatment scale
If: the design parameter of processing 1000 tons of domestic wastes every day is as follows:
4.1.1 sub-elect metal, plastics, foreign material 145T
4.1.2 dehydrate and process out rubbish moisture content 435T
4.1.3 rubbish can become composite dry powder fuel 420T
4.2 rubbish composite dry powder fuel outlet conditions
4.2.1 plastic content %≤1%
4.2.2 tenor %≤0.01%
4.2.3 silicates thing content %≤3%
4.2.4 moisture content %≤10%
4.2.5 product cut size: 300-800 order
4.3 flue gas discharge of major pollutant index
| Sequence number | Pollutant title | Unit | Quantity | |
| 1 | Flue dust | (mg/Nm 3) | 5 | |
| 2 | HCl | (mg/Nm 3) | 5 | |
| 3 | HF | (mg/Nm 3) | 0.1 | |
| 4 | SO 2 | (mg/Nm 3) | 25 | |
| 5 | NO X | (mg/Nm 3) | 100 | |
| 6 | CO | (mg/Nm 3) | 25 | |
| 7 | TOC | (mg/Nm 3) | 5 | |
| 8 | Hg | (mg/Nm 3) | 0.01 | |
| 9 | Cd | (mg/Nm 3) | 0.01 | |
| 10 | Pb | (mg/Nm 3) | ≤0.1 | |
| 11 | Other heavy metal | (mg/Nm 3) | ≤0.1 | |
| 12 | Dioxin | (ng-TEQ/Nm 3) | 0.001 | |
| 13 | Blackness of exhaustion | Lingemann grade | - |
According to domestic waste provided by the invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, described equipment mainly comprises: HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages, HYF-V type monodentate roll extrusion garbage pulverator, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder, the meticulous anhydration system of HYF-V type rubbish normal temperature, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder, the meticulous anhydration system of HYF-V type rubbish normal temperature, HYF-V type double teeth roller rubbish is rubbed with the hands and is pulled pulverizer, the powerful pressing waste dewaterer of HYF-V type, HYF-V gravity screening machine, HYF-V wind-powered electricity generation separating plastic machine, HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages, HYF-V type monodentate roll extrusion garbage pulverator, the double-deck four roller rubbish of HYF-V type pull cuts broken feeder.
Composite dry powder
fuel production step2. in, described in the additive that adds, i.e. CaCO 3, the absorbent such as NaCl, addition is 0.5-3%.This fuel is CaCO when high-temp combustion 3be sintered into CaO, the SO in flue gas 2, HCl is absorbed, and generates CaSO 4, CaCl 2, in addition:
Ca/ (S+0.5Cl) > 15, thus its solid sulphur, solid chlorine, the formation of inhibition bioxin urged.
In the hot regeneration of garbage, waste-water, described in the additive that adds, be mainly acid (alkali) liquid (usable acid (alkali) waste liquid).According to acid (alkali) degree of the rubbish waste liquid squeezing out, determine addition, object is that the acid-base value of rubbish waste liquid is adjusted to neutrality.The described modification solvent adding, through the methyl alcohol of modification.The described proportioning of producing flammable liquid (or claiming biological liquid fuel, alcohol-group fuel) is: modification solvent: rubbish waste liquid=55-70: 30-45.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein HYF-V type enters three, go out two automatic U-shaped air curtain refuse-unloading passages as shown in Figure 1, it is characterized in that this refuse-unloading passage comprises rubbish vehicle unloading admission passage 1.1, this passage is divided into three sections, four sects are housed, automatic air curtain is all housed on every sect, be that vehicle enters the automatic air-curtain door 1.2 of first, vehicle enters the automatic air-curtain door 1.3 of second, vehicle enters the automatic air-curtain door 1.4 in San road, vehicle enters the automatic air-curtain door 1.5 in Si road, rubbish discharge car enters the automatic air curtain of first doorway, door is opened, wind in air curtain will blow in wind direction passage outdoors simultaneously, the air of the inside can only be flowed to the inside, the car back door of entering is closed automatically, air curtain stops blowing, car crosses second, three, the four automatic air-curtain doors in road are like this equally, discharge car has been crossed rubbish vehicle unloading admission passage 1.1, the rubbish vehicle unloading area 1.6 of having arrived, can the tailstock rubbish be discharged into the rubbish of marching into the arena backwards and unloads material containing mouth 1.7, under case of emergency, can be discharged into interim rubbish heap warehousing 1.12, the vehicle of unsnatching material can return by backward channel 1.8 after the unloading of rubbish vehicle, after the unloading of rubbish vehicle, backward channel 1.8 is divided into 2 sections, three sects and air curtain apparatus 1.9 are housed, 1.10, 1.11.Function is identical with feeding-passage, and wind direction is also to blow toward unloading material containing mouth direction.Guarantee that rubbish stink does not leak.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein the double-deck four roller rubbish of HYF-V type pull and cut broken feeder as shown in Figure 2, this feeder comprises pulling to cut broken part 2.1 and connect material carries part 2.2, it pulls cuts broken part 2.1 (seeing Fig. 3) and is characterised in that and comprises totally four of motor 2.1.1.1, by shaft coupling, 2.1.2.1 connects respectively, then be communicated with respectively again reduction box 2.1.3.1, connect again shaft coupling 2.1.4.1, these four shaft couplings connect respectively main shaft 2.1.8.1, on main shaft 2.1.8.1, all arrange and pull cutting knife 2.1.7.1, pull and in the operation process of cutting knife 2.1.7.1, form 4 and pull tangent plane 2.1.1.1.1 and see Fig. 4, the broken part of complete machine is equipped with housing 2.1.5.1, connect material and carry part 2.2, that common conveying worm is contained in and pulls the lower end of cutting broken part, after connecting material, by pulling the material of cutting, transfer out.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein the powerful pressing waste dewaterer of HYF-v type as shown in Figure 6, it is characterized in that comprising motor 3.1, reduction box 3.3, centre has shaft coupling 3.2 to connect, reduction box 3.3 out has again shaft coupling 3.2 connection for transmission axles 3.6, the front end of power transmission shaft 3.6 is equipped with bearing block casing 3.5, be mainly used to support kick, a bearing block 3.4 is respectively equipped with at bearing block casing 3.5 two ends, spiral sleeve 3.7 is housed respectively on power transmission shaft 3.6, axle sleeve diameter 3.8 < 3.9 < 3.10 < 3.11, make the compression ratio one-level of material be greater than one-level, all be contained according to the order of sequence after bearing block casing 3.5, spiral sleeve 3.7 tail ends are equipped with respectively taper sleeve 3.11, spiral sleeve 3.7 is outer all scale spiral.Front end at dewaterer is equipped with charging aperture 3.10, and tail end is equipped with tapered discharging opening 3.9, in spiral outside, shaped spiral housing 3.8 is housed.
According to domestic waste of the present invention, produce composite dry powder fuel for the equipment of coal-burning power plant's generating, wherein HYF-V type double teeth roller rubbish is rubbed with the hands and to be pulled pulverizer, HYF-V gravity screening machine, HYF-V type monodentate roll extrusion garbage pulverator, the HYF-V wind-powered electricity generation separating plastic machine equipment Jun You Jiangsu He Le of Zhangjagang City plant equipment Co., Ltd and provide, and the common apparatus such as relevant conveyer, elevator, magnetic separator de-ironing, color selector can be in the buying of many machinery plants.
Embodiment 1-2 is that domestic waste production composite dry powder fuel generates electricity for coal-burning power plant
Domestic waste is compound through closed reception, pulverizing step by step, sorting step by step, normal temperature mummification, modification, be produced into composite dry powder fuel, only 30 minutes production cycle (entering rubbish to output finished product), then send into super critical boiler burning (interface is from counting second and third layer above), crude waste generated energy 284 degree per ton.
The production composite dry powder fuel step of
embodiment2 is identical with
embodiment1, is not both composite dry powder and enters power plant's coal mill system, enters burner hearth multifuel combustion together with coal, also obtains effect same.
Embodiment 3-4 is the hot regeneration of garbage, waste-water.
Embodiment 3
The garbage, waste-water squeezing out purifies after filtration, acid-base value adjustment, and preparation modification solvent is made liquid fuel, through spray nozzle, sprays into oil burning boiler burning, and temperature reaches 1500 ℃, and the quantum of output of ton steam with burning diesel oil ratio is: diesel oil: liquid fuel=1: 1.51.
Embodiment 4
The production liquid fuel step of embodiment 4 is identical with embodiment 3, different is that liquid fuel is entered to spray combustion in open type large cooking stove for kitchen use, the temperature reaching is 1300 ℃, and the amount that same boiled one pot of water consumes with diesel oil ratio is: diesel oil: liquid fuel=1: 1.37.
Claims (3)
1. domestic waste is produced composite dry powder fuel for an industrialization method for coal-burning power plant's generating, and described method comprises the following steps:
1) reception, pulverizing, sorting
Domestic waste is received and is crushed to below 10cm, then pass through magnetic separation, remove and collect ferrous metal,
By gravity, screen, remove and collect silicates material,
Then by look, select sorting non-ferrous metal again,
Leftover materials are further crushed to below particle diameter 3cm, dewater, and material water ratio is down to below 25%,
Break up the material after dehydration, then carry out sorting and the collection of plastics, ferrous metal and non-ferrous metal are selected and collected to rest materials through magnetic separation and look choosing, again, and rest materials is further pulverized, and makes crushing material to particle diameter 5mm, obtains rubbish meal;
2) normal temperature mummification, meticulous compound
In the rubbish meal obtaining in step 1), add solid sulphur, solid chlorine, fixed nitrogen additive, carry out fine crushing mummification, compound, while air amount, hydrone in rubbish meal is combined with air, discharge together, gas, powder are carried out to separation, collect isolated gas, isolated waste dry powder fineness is 300～800 orders, and mummification degree moisture content is 6%～12%;
3) coal-burning power plant's burning
Step 2) the composite dry powder fuel obtaining in, in stove internal combustion, generates electricity;
It is characterized in that, described method also comprises step 1) and step 2) in the waste gas, the hot regeneration of waste water that produce, its processing procedure is:
Waste water unification is collected and is entered wastewater disposal basin by pipeline, through filtering clean system, remove impurity, add acidity-basicity regulator to regulate pH, add modified methanol to make flammable liquid, wherein said acidity-basicity regulator is acid solution or alkali lye, and the mass ratio of described modified methanol and rubbish waste liquid is 55～70:30～45;
Generation refuse odor is all collected into waste gas bag and is sucked by anhydration system, circulation in realizing, and the flammable liquid that remainder of exhaust gas and waste water prepare burns in the lump or processes qualified discharge by waste gas purification apparatus.
2. domestic waste according to claim 1 is produced composite dry powder fuel for the industrialization method of coal-burning power plant's generating, it is characterized in that,
The ferrous metal that in described step 1), sorting obtains and non-ferrous metal carry out artificial separation, metering, packing sale;
After the silicates thing that in described step 1), sorting obtains is pulverized, be pressed into building materials and sell;
The waste plastics that in described step 1), sorting obtains is collected with air duct, then sorting, granulation, packing are sold.
3. domestic waste according to claim 1 is produced composite dry powder fuel for the industrialization method of coal-burning power plant's generating, it is characterized in that, in described step 2), the additive adding in composite dry powder fuel production is CaCO 3and/or NaCl absorbent, addition is 0.5～3wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN201110177555.XA Expired - Fee Related CN102350428B (en) | 2011-05-18 | 2011-06-29 | Equipment for producing composite dry powder fuel used for coal-fired power plant generation with municipal domestic waste and industrialization method thereof |
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| CN202212404U (en) * | 2011-05-18 | 2012-05-09 | 何永峰 | Equipment using municipal solid waste to produce composite dry powder combust for power generation of coal-fired power plants |
| KR20140147481A (en) * | 2013-06-20 | 2014-12-30 | 주식회사 엘드림월드 | Municipal waste treatment system |
| CN105299632B (en) * | 2015-10-26 | 2018-07-27 | 何相助 | Hermetically sealed microparticle burning in circulating fluid bed boiler Processes and apparatus |
| CN106269815B (en) * | 2016-10-27 | 2019-07-09 | 威德环境科技股份有限公司 | Kitchen garbage pretreatment system |
| CN107052024A (en) * | 2017-04-13 | 2017-08-18 | 王连山 | Refuse disposal system and ecological recycle system |
| CN109013656B (en) * | 2018-08-16 | 2023-12-29 | 中国联合工程有限公司 | Domestic garbage recycling treatment system |
| CN111922030A (en) * | 2020-07-08 | 2020-11-13 | 广东亨益环保集团有限公司 | Screening method for stored garbage of sanitary landfill |
| CN114602928A (en) * | 2022-03-15 | 2022-06-10 | 电子科技大学中山学院 | Garbage recycling treatment process |
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