CN105032906A - Household garbage recycling and innocent treatment method for power industry and building material industry cooperative landfill - Google Patents
Household garbage recycling and innocent treatment method for power industry and building material industry cooperative landfill Download PDFInfo
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- CN105032906A CN105032906A CN201510541724.1A CN201510541724A CN105032906A CN 105032906 A CN105032906 A CN 105032906A CN 201510541724 A CN201510541724 A CN 201510541724A CN 105032906 A CN105032906 A CN 105032906A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The invention discloses a household garbage recycling and innocent treatment method for a power industry and building material industry cooperative landfill. The method includes the steps that the power industry and the building material industry do not treat garbage or burn waste plastics and waste batteries in the garbage, but only use quality-divided biomass fuel to conduct incineration and power generation in a cooperative manner or fire cement, huge economic benefits are obtained, and secondary pollution caused by direct incineration of garbage is reduced; the garbage is presorted and treated in a recycling and innocent treatment manner in the landfill, and huge economic benefits can be generated through recycling of recovered waste resources; waste water and gas generated in the process are controllable and recycled after being treated or discharged after meeting the emission standard; only fine ash slag, bricks and pebbles are buried to serve as main inorganic matter, and serious secondary pollution caused by direct burying of the garbage is eliminated; and waste lands in the landfill can be reconstructed for building distribution type photovoltaic power stations or fodder fields for storing straws, and thus the waste lands are reused. By means of the method, household garbage recycling, innocent treatment and minimization treatment achieve the optimum effect.
Description
Technical field
The present invention relates to one way of life garbage as resource, method for innocent treatment, particularly a kind of electric power, building material industry work in coordination with the method for landfill yard resource, harmless treatment house refuse.
Background technology
The product of rubbish to be the product rubbish of human civilization be human civilization, people are while enjoyment material progress, and every day is all abandoning various house refuse.Along with urban modernization, Urbanization Process are accelerated, the raising of Living consumption, Output of Domestic Waste grows with each passing day, and composition is increasingly sophisticated, and harm order is gradually serious.The house refuse that China cities and towns produce every year about 300,000,000 tons, and with annual 9% speed increase.Wherein more than 80% without resource, harmless treatment.The whole nation over the years undressed domestic waste heap high-volume reaches more than 80 hundred million tons, appropriation of land more than 500 ten thousand hectares.There is more than 200 municipal refuse besieged city.House refuse has become large public hazards in current city and market town.
Since the sixties, the human and material resources that input is a large amount of both at home and abroad, financial resources carry out the research of Disposal of Municipal Refuse.At present, the main treatment technology in home and abroad has " landfill method ", " burning method " and " composting process " etc. three kinds." landfill method " is the main method of China's Disposal of Domestic, because local financial resources are not enough, " landfill method " is although method is simple, operating cost is lower, but most of cities and towns are disposed not according to the sanitary landfills specification of national requirements, utilize some useless ditches, the pool directly dump rubbish, landfill yard often sewage crossing current, stinking smell assaulting one's nostrils, mosquitos and flies causes disaster, and forms serious environmental pollution to the air of surrounding, water body, soil.Around place, the masses suffer untold misery, and cause social unstability.In addition, in the rubbish of refuse landfill landfill, plastic garbage bag volume accounts for the over half of garbage bulk, in layer pressure is piled by bull-dozer during landfill, a large amount of plastic foils is landfilled, upper a century does not decompose, after Tian buries Chang Tian Full rubbish, native Barren is airtight, waterproof, become long-term difficulty to repair uselessly.Some flourishing cities are recycling treatment municipal refuse for many years, spend huge sums from Europe, the United States and introduce Domestic garbage bag-breaking, fragmentation, sorting technology and equipment.Eventually because being not suitable for the national conditions of China's municipal refuse mixed collection, the technical barriers such as winding, swaging clamp, blocking cannot being solved in the broken bag of rubbish, fragmentation, assorting room, all ending in failure.On the one hand urban refuse pollution is more and more serious, administers very urgent, and another aspect resource, innoxious, minimizing process domestic waste can not find ripe preposition preconditioning technique equipment.So, build garbage incinerating power plant in recent years and become " agitation ", burnt it with way one.Garbage as resource health " landfill " but seldom has enterprise to make inquiries.Though the direct burning electricity generation of rubbish is a kind of method of garbage as resource process, not rational method: one is that investment is large: garbage disposal ability per ton need invest 60-100 ten thousand yuan, and the investment payback time is long.Two is seriously polluted: because msw water content is high, need deposit pre fermentation process in 7-15 days, produce the Leachate site of 10-15%; Burn one ton of rubbish and produce about 5000m
3waste gas, containing tens of kinds of pollutants, comprising strong carcinogens such as bioxin, heavy metal flying dusts, be one of pollution sources causing air pm2.5 to pollute; Produce the slag of rubbish gross weight 20-30%, ash.Three is that producing cost is high: burn one ton of rubbish producing cost 90-120 unit, profit is mainly by local governments at all levels' disposal of refuse subsidy (70-120 yuan/ton); Four is that quality is unstable, and therefore, need daily management technical merit high, monitor difficulty in real time, enterprise is to maximize profit as aim in addition, and Control pollution is difficult because rubbish forms complicated.Five is that garbage power itself can not form how many benefits, by government subsidy, there is certain risk, finally can not form industry.Six is that waste incineration and generating electricity pollutes greatly, and periphery common people are difficult to accept, and select factory site difficult, as long as one mixes and must stop production, have a lot of example to demonstrate,prove both at home and abroad.Therefore, it " wind " of the direct burning electricity generation of the rubbish swept at present is makeshift just.
Summary of the invention
Now, rubbish direct " burning " or " landfill " is still the main methods of China's application of city life garbage.For solving the deficiencies in the prior art, the object of this invention is to provide a kind of electric power, building material industry works in coordination with landfill yard resource, the method of harmless treatment house refuse, a kind of rubbish " burning " is particularly provided, " landfill " organic giving is closed, at consumer waste incineration, first in refuse landfill, the process of resource Pre-sorting is carried out to rubbish before landfill, the biomass-making fuel power force that sub-prime spendes, building material industry burning electricity generation, or cement baking, the waste material regeneration that sub-prime goes out, the brick that landfill sub-prime goes out, stone is main inorganic matter, power industry not disposal of refuse, the only collaborative biomass fuel burning electricity generation utilizing sub-prime to go out, building material industry not disposal of refuse, the only collaborative biomass fuel utilizing sub-prime, thin ash, slag, soil cement baking, And utilize landfill yard filled up rubbish long-term not reusable uselessly, transformation, build the grassland for subsequent use for biomass electric power plant, or the method at distributed photovoltaic power generation station.
For achieving the above object, the technical solution adopted in the present invention is:
Electric power, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: the method comprises following five parts (ginseng See Fig. 1):
(1) house refuse carries out the process of resource Pre-sorting at landfill yard;
(2) power industry works in coordination with the biomass fuel burning electricity generation utilizing and sub-elect;
(3) building material industry works in coordination with the biomass fuel utilizing and sub-elect, thin dirt cement baking;
(4) landfill yard is utilized to fill up the reform strengthening distributed photovoltaic power station, useless ground of rubbish the sixth of the twelve Earthly Branches;
(5) the ground reform strengthening biomass power plant that also part of filling up rubbish can be given up stores the fodder field of stalk.
Above-mentioned house refuse is carried out the process of resource Pre-sorting at landfill yard and is comprised: material loading dredges material, broken bag fragmentation, screening selection by winnowing, kitchen excess sorting, magnetic separation artificial separation five production craft step (ginseng See Fig. 2):
Material dredged by described material loading: domestic waste still send terminal to collect compression by sanitationman from garbage pool or garbage can collection by traditional collecting and transferring system, or compress collection by garbage-compressing Trucks, by garbage carrying cart, or compression vehicle transports and directly pours rubbish Pre-sorting system into and accumulate pond, by the grab bucket of hydraulic pressure long-arm loading machine, house refuse is accumulated loose thin material machine three face of rear feeding of block life refuse press in pond and be provided with baffle plate, one end face opening, the feed bin that bottom surface and conveyer are connected, conveyer is driven to pour feed bin accumulation rubbish on a conveyor into by buncher, deliver to and be positioned at the thin material roller place that surface, feed bin open end front upper place is provided with screw type switch-plate, the rubbish cloth be deposited on the conveyer of feed bin openend is sent into garbage bag breaking machine in being positioned on the material loading stepless speed regulation conveyer below thin material roller by the screw type switch-plate dredging material roller surface.
Described broken bag is broken: garbage bag breaking machine is positioned at the roller screen import department of screening, its outlet Shen Ru Roll sieves import, the cutter shaft frame of bag-breaking machine comprises main shaft, cutterhead, cutter shaft, multiple cutterhead are fixed on main shaft, many cutter shafts are fixed on the cutterhead at two ends through cutterhead upper slitter axis hole symmetry, and rotary cut formula blade is suspended on the cutter shaft between two cutterheads a group by a group symmetrically movably.Frequency control motor drives bag-breaking machine main shaft and drives and is suspended on rotary cut formula blade High Rotation Speed on cutter shaft frame, the plastic garbage bag more than 98% in house refuse that loads in mixture sending into garbage bag breaking machine is broken into 2-3 sheet, be fragment, the grain that main organic matter is broken into that diameter is several centimetres by kitchen excess simultaneously, cinder, clods breaking become diameter to be less than the particle of 1cm, rubbish after broken bag, fragmentation, roller screen import is thrown into by the outlet of bag-breaking machine
Described screening selection by winnowing: the roller screen secondary disjunctor of screening, first order mesh is pore, the second level is gross porosity, Roll sieve side is pressed close to screen cloth mesh and is provided with high pressure air blowing pipe, the high pressure draught directive screen cloth mesh that high pressure positive blower is blown out by high pressure air blowing pipe, roller screen is made often to rotate a circle and clear hole once, stepless speed-regulating motor drives the friction pulley of carrying sieve nest load to drive secondary roller screen to rotate by power transmission shaft, the rubbish after being thrown into the fragmentation of roller screen import is exported by bag-breaking machine, through being divided into four classes: the screenings that the first kind is discharged is that thin grey dregs send stacking field, the screenings that Equations of The Second Kind is discharged is the kitchen excess in coarse grain footpath is main organic matter and brick, stone is the mixture of main inorganic matter, send kitchen excess sorting operation, 3rd class is plastic foil bag webs, the mixture of paper, when oversize discharges the outlet of secondary roller screen, the windstream blown out by the winnowing machine being located at secondary roller screen outlet below incites somebody to action wherein plastic foil bag webs, paper blows to inlet scoop, through induced-draught fan pneumatic convey, again after cyclone separator is separated, the plastic foil bag webs separated, the mixture of paper falls in material-storage jar, discharged by the conveying worm be connected with material-storage jar outlet at bottom, send manual sorting operation, 4th class is remain oversize after selection by winnowing to be mainly fabric, footwear, bamboo wood class large organic matter, fuel storage biomass fuel is sent by conveyer,
Described kitchen excess sorting: the wet separation machine of kitchen excess sorting take water as medium, WATER AS FLOW MEDIUM adopts Inner eycle, when the Equations of The Second Kind kitchen excess of screening sub-prime is main organic matter and brick, when stone is the mixture feeding kitchen excess wet separation machine inlet capable of main inorganic matter, recirculated water is pumped into distribution reservoir by the immersible pump simultaneously in circulating water pool, and spray to the mixture rubbish entering charging aperture from its water-distributing gap, mixture rubbish is sent into water separation tank by current, inorganic matter sinks in the hopper of the scraper slagging machine connect with pond bottom sheet, buncher drives scraper slagging machine to rotate and takes inorganic matter out of water surface discharge, send magnetic separation and artificial separation operation, based on the organic matter of kitchen excess in water separation tank, sent into dehydration roller screen by the current band flowed through water outlet aqueduct to dewater, the water removed enters circulating water pool after being collected by the dehydration tank be located at below dehydration roller screen, kitchen excess after dehydration is main organic matter, hardly containing inorganic matter, fall into the screw press machine inlet capable be connected with wringer roll sieve outlet, kitchen excess after press dewatering is main organic matter, fuel storage fuel is sent by conveyer, squeeze the water removed and fall into drip pan, send into Sewage Disposal, process rear section replenishment cycles water, qualified discharge after redundance process, the every order of classes or grades at school of recirculated water switches once, pumps into Sewage Disposal by immersible pump by three-way valve, and the clear water after process flows into clear water reserviors, and the per tour of clear water reserviors water is opened and once put into circulating water pool, without sewage discharge in technical process.
Described magnetic separation artificial separation: when the brick that kitchen excess wet separation sub-prime goes out, stone are the discharge of main inorganic matter, magnetic separator sub-prime ferrous metal is set on the conveyor belt, again through manual sorting's non-ferrous metal, hard plastic sheet, glass, refuse battery, collect by the material pond in artificial feeding storehouse respectively, residue is masonry is that main inorganic matter send stockyard, the 3rd class plastic foil bag webs that screening sub-prime goes out, the mixture of paper, through manual sorting, fuel storage fuel is sent in the plastic foil bag webs feeding storehouse separated, paper; House refuse is by carrying out the process of resource Pre-sorting at landfill yard, the dehydration kitchen excess of sub-prime is that main organic matter, the large part organic matter of chopping, biomass fuel made of paper are for power industry burning electricity generation, or building material industry cement baking is supplied together with thin grey dregs, the plastic foil bag webs reclaimed, hard plastic sheet, ferrous metal, non-ferrous metal, glass are main waste material regeneration, refuse battery harmlessness disposing, remaining brick, stone are main inorganic matter sanitary landfills.
Above-mentioned power industry is worked in coordination with and is utilized the organic matter fuel burning electricity generation that sub-elects: power industry mainly comprises straw electric generation plant, biomass-making gas power plant, directly to burn away the refuse power plant, Hazards in Power Plant, not disposal of refuse of power plant itself, a biomass fuel burning electricity generation that collaborative kitchen excess, greatly part organic matter, the waste paper utilizing Pre-sorting to go out is made.
Above-mentioned building material industry works in coordination with the organic matter fuel utilizing and sub-elect, thin ash, slag, soil, cement baking: building material industry mainly comprises cement plant, not disposal of refuse of cement plant itself, an organic matter fuel that collaborative kitchen excess, greatly part organic matter, the waste paper utilizing cement furnace calcining Pre-sorting to go out is made, and thin grey dregs cement baking.
The above-mentioned reform strengthening distributed photovoltaic power station, useless ground utilizing landfill yard to fill up rubbish the sixth of the twelve Earthly Branches: the garbage loading embeading Accounting ground scene of a county town is long-pending all at hundreds of mu, being filled with rubbish becomes uselesslyly, by reform strengthening distributed photovoltaic power station, ground of wherein partly giving up, photovoltaic plant electricity is produced for landfill yard, household electricity, national grid on redundance, it is multiplexing to be that land resource is able to.
The above-mentioned ground reform strengthening biomass power plant that also part of filling up rubbish can be given up stores the fodder field of stalk: the stalk fuel of biomass electric power plant is large by crop harvesting seasonal effect, large area is needed to store the stacking field of stalk, part refuse landfill can having been filled up rubbish transforms the fodder field building up and store stalk with giving up, and it is multiplexing to be that land resource is able to.
Above-mentioned power plant, cement plant not disposal of refuse, the waste plastics in not burning away the refuse, refuse battery, do not process the garbage leachate of stench, eliminates the strong carcinogen secondary pollution such as bioxin, heavy metal flying dust of directly burning away the refuse; In refuse landfill resource Pre-sorting process house refuse, the landfill brick after washing, stone are main inorganic matter, fully recovering after the recycling waste water process that Pre-sorting disposal of refuse produces, the waste gas that kitchen excess squeeze water, technical process are collected is all controlled, qualified discharge after process, eliminates the serious secondary pollution of direct landfill waste.
The present invention compared with prior art tool has the following advantages:
1, the domestic garbage resource Pre-sorting manufacturing technique method that the present invention adopts comprises five production craft step: material loading dredges that material, broken bag are broken, screening selection by winnowing, kitchen excess sorting, magnetic separation artificial separation, formation Pang house refuse of mixing can be made to reach the effect of resource sub-prime.(see loading in mixture domestic garbage resource sorting technology index table).
Load in mixture domestic garbage resource pre-classification techniques index table
2, the domestic garbage resource Pre-sorting method of the present invention's employing:
(1) disintegrating machine High Rotation Speed disposal ability is large, and normal operation cutter shaft, cutter are not wound around, not swaging clamp.
(2) roller screen is secondary composition, and good separation effect, operate not plug-hole for a long time, and production efficiency is high, and power consumption is little.
(3) kitchen excess wet separation machine take water as medium, WATER AS FLOW MEDIUM Inner eycle, and the every order of classes or grades at school of recirculated water switches once, fully recovering after process, without sewage discharge in technical process.The kitchen excess that sub-prime goes out is main organic matter, not containing inorganic matter,
(4) domestic garbage resource Pre-sorting process equipment system mechanization degree height volume of the present invention is little, disposal ability is large, many inter processes directly connect, without second-pumping, power consumption is little, consistent, reliable, safety, can adapt to the large production requirement of heavy industrialization.
(5) domestic garbage resource Pre-sorting process of the present invention also can be applicable to the many aspects of urban garbage disposal: supporting with house refuse fertilizer, producing methane, provides not containing the kitchen excess of any inorganic matter; Supporting with place where the garage is piled up after mineralising, excavate the rubbish after process mineralising, make soil second ploughing; Supporting with the sanitary filling field of suspending business, excavate process mineralized waste, make sanitary filling field multiplexing etc. through reparative regeneration.
3, power plant, cement plant not disposal of refuse, the nuisances such as the waste plastics in not burning away the refuse, refuse battery, only work in coordination with the biomass fuel burning electricity generation utilizing and sub-elect from rubbish or cement baking, eliminate or alleviate the pollution that rubbish directly burns heavy metal flying dust, dioxin and garbage leachate stench etc., overcome " neighbour keeps away " effect, can found the factory in industrial park, favourable heat, to be electrically coupled, produce good economic benefit;
4, in the disposal of refuse of refuse landfill resource Pre-sorting, accomplish that day future is clear, do not accumulate, pretreatment separation system closed tiny structure runs, the brick of a landfill yard landfill after washing, stone are main inorganic matter, fully recovering after the recycling waste water process of generation, and the waste gas that kitchen excess squeeze water, technical process are collected is controlled, qualified discharge after process, eliminates the serious secondary pollution of direct landfill waste.
In the rubbish of 5, refuse landfill landfill, plastic garbage bag volume accounts for the over half of rubbish, and in layer piled pressure by bull-dozer during landfill, a large amount of plastic film bags is landfilled, and upper a century does not decompose, and fills out and buries after field fills out Full rubbish, and soil is long-term difficultly to be repaired, and becomes useless ground.Distributed photovoltaic power station can be built after transformation, the electricity part of photovoltaic plant is produced for landfill yard, household electricity, remainder is surfed the Net, and it is multiplexing to be that land resource is able to.
6, the stalk fuel of bio-power plant is large by crop harvesting seasonal effect, needs large-area stalk to stack field, and the part also refuse landfill can having been filled up rubbish transforms the fodder field building up and store stalk with giving up, and it is multiplexing to be that land resource is able to.
7, carry out house refuse Pre-sorting at landfill yard, the public utility of former landfill yard can be continued to use, and the collecting and transferring system of rubbish, newly need not take over the land for use again, reduce investment outlay.Power plant, cement plant not disposal of refuse, without the need to extending the large rubbish storing feed bin of Pang, material loading, dredging material system, save capital construction and equipment investment; The not Leachate site of reprocessing stench, reduces operating cost; The quality of burning away the refuse is basicly stable, favourable real-time monitoring, Control pollution.The present invention and rubbish directly burn ratio, and reduced investment is good in economic efficiency; Eliminate rubbish directly to burn secondary environmental pollution, environmental benefit is good;
Accompanying drawing explanation
Fig. 1, be electric power of the present invention, building material industry works in coordination with the method process flow diagram of refuse landfill resource, harmless treatment house refuse
Fig. 2, be domestic garbage resource Pre-sorting production method general flow chart of the present invention.
In Fig. 2: excavator (1), grab bucket (2), dredge material machine (3), stepless speed regulation conveyer (4), dredge material roller (5), stepless speed regulation conveyer (6), stepless speed regulating machine (7), conveyer (8), bag-breaking machine (9), variable-frequency motor (10), friction pulley (11), stepless speed regulating machine (12), Er Ji Roll sieves (13), stepless speed regulating machine (14), thin grey dregs outlet (15), stepless speed regulation conveyer (16), kitchen excess outlet (17), conveyer (18), stepless speed regulating machine (19), hair-dryer (20), induced-draught fan (21), stepless speed regulating machine (22), conveyer (23), high pressure positive blower (24), blower (25), kitchen excess seperator (26), distribution reservoir (27), water inlet (28), water jet (29), water separation tank (30), water outlet aqueduct (31), kitchen excess Tuo Shui Roll sieves (32), water collecting pit (33), collecting pit outlet (34), pressafiner (35), squeezer hopper (36), stepless speed regulating machine (37), drip pan (38), outlet (39), treatment tank import (40), scraper slagging machine (41), aggregate bin (42), buncher (43), mucking machine outlet (44), magnetic separator (45), artificial separation platform (46), cyclone separator (47), material-storage jar (48), conveying worm (49), stepless speed regulating machine (50), artificial separation platform (51), circulating water pool outlet (52), three-way valve (53), immersible pump (54), circulating water pool (55), import (56), Sewage Disposal (57), import (58), clear water reserviors (59).
The following examples are further illustrating process of the present invention, and the unrestricted scope of the invention.
Specific implementation method;
The present embodiment is a kind of electric power of the present invention, and building material industry works in coordination with the example of method of refuse landfill resource, harmless treatment house refuse.The present embodiment house refuse is day disposal of refuse 300 ton per day in landfill yard resource Pre-sorting treatment system, its rubbish composition is: kitchen residue content 50%, large part thing 10%, waste plastics 10%, waste paper 5% (mainly toilet paper), old metal 0.5%, glass 1%, dregs class 10%, the masonry potlery tile classes 13.5% such as moisture content is 65%, bamboo wood class textile rubber-like.
House refuse is in landfill yard resource Pre-sorting process implementation method: domestic waste still send terminal collection compress or by garbage-compressing Trucks compress collection by sanitationman from garbage pool or garbage can collection by traditional collecting and transferring system, accumulates pond by garbage carrying cart or compression vehicle transport house refuse Pre-sorting system.The grab bucket (2) of hydraulic pressure high-front shovel (1) will accumulate pond block and strengthen the loose rear feed bin sending into thin material machine (3) of life refuse press, feed bin is positioned at the front of bag-breaking machine (9), 3 meters, identity distance ground suitable for reading, feed bin three face is provided with baffle plate, an end face opening, feed bin end section is trapezoidal, wide 200cm suitable for reading, the wide 100cm of end opening, long 300cm, high 100cm, lower actinal surface and stepless speed regulation conveyer (4) are connected.Stepless speed regulation conveyer will pour feed bin accumulation rubbish on a conveyor into, deliver to that to be positioned at feed bin open end front upper place diameter be 100cm, long 200cm, surface is provided with thin material roller (5) place of spirality switch-plate, stepless speed-regulating motor (6) drives dredges material roller rotation, regulate dredge material roller rotating speed, switch-plate by the rubbish be deposited on the conveyer of feed bin openend by being greater than the amount cloth of 45 tons/hour in being positioned at the charging aperture material loading stepless speed regulation conveyer (8) below feed bin openend and thin material roller being sent into garbage bag breaking machine (9).Bag-breaking machine is arranged on the import department of roller screen, its discharging opening stretches into secondary roller screen import 30cm, variable-frequency motor drive shaft drives the rotary cut formula blade be suspended on cutter shaft frame to be greater than 1100 revs/min of High Rotation Speeds, the plastic garbage bag more than 98% in rubbish that loads in mixture entered from charging aperture is broken into 2-3 sheet, kitchen excess in rubbish is broken into fragment, the grain that diameter is several centimeters simultaneously, becomes particle diameter to be less than the particle of 1cm cinder, clods breaking.Rubbish after broken bag, fragmentation under the influence of centrifugal force, is thrown into roller screen (13) at a high speed.Roller screen is secondary disjunctor, first order mesh size is 1cm, second level mesh size is 10cm, roller screen cylinder diameter is 200cm, long 1000cm, sieve nest axis and horizon dip 12 °, rotating speed is that 10 revs/min of Roll sieve sides and press close to screen cloth mesh and be provided with high pressure air blowing pipe (25), the high pressure draught directive screen cloth mesh that high pressure positive blower (24) is blown out by high pressure air blowing pipe, makes roller screen often rotate a circle and clear hole once.Disintegrating machine and secondary roller screen are separately fixed on respective support, close into Unified Global by outer casing.Stepless speed-regulating motor (12) drives the friction pulley (11) of carrying sieve nest load to drive secondary roller screen to rotate by power transmission shaft, rubbish after the fragmentation be thrown into is divided into four classes: first kind screenings is that particle diameter is less than the thin grey dregs of 1cm, Equations of The Second Kind screenings is kitchen, the coarse grain footpath excess of diameter 1-10cm is main organic matter and brick, stone is the mixture of main inorganic matter, fall into respectively and be positioned at the uncovered conveying worm of the secondary being provided with striker plate below secondary roller screen (14), stepless speed-regulating motor drives conveying worm to rotate, thin grey dregs is discharged from its discharging opening (15) and send thin lime-ash mound field B, Equations of The Second Kind kitchen excess is main organic matter and brick, the mixture of stone inorganic matter is discharged from its discharging opening (17), kitchen excess wet separation machine (26) charging aperture is sent into by stepless speed regulation conveyer (18), 3rd class is plastic foil bag webs, paper, when oversize discharges secondary roller screen, the windstream blown out by the winnowing machine (20) being located at secondary roller screen outlet below incites somebody to action wherein plastic foil bag webs, paper blows to inlet scoop, after induced-draught fan (21) pneumatic convey to cyclone separator (47) is separated, fall in material-storage jar (48), discharge through exporting with material-storage jar the conveying worm (49) be connected, send into the manual sorting's platform (51) establishing 4-5 artificial station, by paper and plastic film bag sub-prime, plastic film bag packing feeding storehouse A, paper (mainly toilet paper) send fuel storage C fuel.4th class is remaining oversize after selection by winnowing, is each kind fabric, bamboo wood class, rubber-like, footwear are the large part organic admixture that full diameter is greater than 10cm, send fuel storage C fuel by the conveyer (23) being positioned at secondary roller screen and exporting below.The wet separation machine of kitchen excess sorting take water as medium, and WATER AS FLOW MEDIUM adopts Inner eycle, processes 300 tons of rubbish and needs 150 tons of recirculated waters.The Equations of The Second Kind kitchen excess of screening sub-prime is main organic matter and brick, when stone is mixture feeding kitchen excess wet separation machine (26) charging aperture of main inorganic matter, recirculated water is pumped into distribution reservoir (27) with the 250 tons/h cycle water yield by the immersible pump (54) simultaneously in circulating water pool (55), and spray to the composting entering charging aperture from its water-distributing gap (29), mixture rubbish is sent into water separation tank (30) by current, brick, stone is that main inorganic matter sinks in the aggregate bin (42) of the scraper slagging machine (41) connect with pond bottom sheet, buncher (43) drives scraper slagging machine to rotate, take inorganic matter out of the water surface, and when being given stockyard by conveyer from discharging opening (44) discharge, ferrous metal is reclaimed by establishing magnetic separator (45) magnetic separation on a conveyor, then by establishing the inorganic matter manual sorting platform (46) of 1-2 artificial station, manual sorting's non-ferrous metal, hard plastic sheet, glass, the D in the difference such as refuse battery feeding storehouse, E, F, G, H buildup pond, residue brick, stone is that main inorganic matter send stacking field L.Kitchen excess is main organic matter, sent into dehydration roller screen (32) dehydration by the current band flowed through water outlet aqueduct (31), the water removed sends into circulating water pool (55) from delivery port (34) after being collected by the dehydration tank (33) be located at below dehydration roller screen, kitchen excess after dehydration is main organic matter, moisture content is 72-70%, not containing inorganic matter, fall into pressafiner (35) press dewatering connected with wringer roll sieve outlet, the COD concentration that squeezing removes water is 30000-35000mg/l, kitchen excess moisture content after dehydration is 45%, fuel storage C is sent by stepless speed regulation conveyer, rear fuel processed is mixed and stirred with the large part organic matter of chopping, the water removed falls into drip pan (38), discharged by delivery port (39), Sewage Disposal (57) is sent into from water inlet (58), process rear section replenishment cycles water, qualified discharge after redundance process.The every order of classes or grades at school of water in circulating water pool switches once, Sewage Disposal (57) is pumped into by three-way valve (53) by immersible pump, clear water after process flows into clear water reserviors (59), the per tour of clear water reserviors water is opened and is once put into circulating water pool, without sewage discharge in technical process.
The present invention is at landfill yard resource Pre-sorting disposal of refuse 300 ton per day, and can sub-prime kitchen excess be main living beings 166 tons, moisture content be about 72-70%, is 91 ton per days through squeezing Off water, its moisture content about 45%, calorific value be 1,925 thousand cards/kilogram; 13.5 tons, sub-prime paper, large part organic matter 28.5 tons, count 42 tons, moisture content 15%, mean calorie 4,000 thousand is blocked/kilogram (because of wherein containing part synthetic fibers class, rubber-like and a small amount of Plastic), chopping mixes and stirs rear biomass fuel meter processed 133 tons/day with the kitchen excess of squeezing, moisture content about 35%, calorific value be 2,578 thousand card/kilogram, make fuel burning electricity generation or cement baking; All kinds of waste material of sub-prime: 28.5 tons, waste film bag, 1.35 tons, metal, 2.7 tons, glass, hard plastic sheet 1.45 tons of regenerations, can produce great economic benefit; Refuse battery harmlessness disposing; The organic matter taken away in sewage about 3.5 tons; Thin grey dregs 31 tons, the sub-brick of masonry, stone are main inorganic matter 47 tons, add up to about 78 ton per days, account for 25% of raw refuse weight.A landfill yard landfill inorganic matter about 78 ton per day, its unit weight is 1.5 tons/cubic metre, landfill depth 5 meters, every day landfill waste Accounting ground about 10 square metres, year 3650 square metres, 10 years about 60 mu, the hundreds of mu soil of landfill yard can be made to be able to multiplexing.
Power industry works in coordination with the biomass fuel burning electricity generation implementation method utilizing and sub-elect, power industry not disposal of refuse, the only collaborative meter 133 tons utilizing go out from landfill yard sub-prime every day, moisture content about 35%, calorific value be 2,578 thousand cards/kilogram biomass fuel burning electricity generation.Gross calorific value about 3.43 100,001,000 card/kilogram, 1 kg water is often evaporated to consume 1,500 thousand card calorific values in power generation process, total moisture content is 47.5 tons, total effectively net heating value about 2.71 100,001,000 card, 1 degree of electricity is generated with every 3,000 thousand card available heating values, can generate electricity about 90000 degree/day, about 3,300 ten thousand degree/year, the wound output value about 2,400 ten thousand yuan/year.
Building material industry works in coordination with the biomass fuel utilizing and sub-elect, thin ash, slag, soil, cement baking implementation method, cement industry not disposal of refuse, the only collaborative meter 133 tons utilizing go out from landfill yard sub-prime every day, moisture content about 35%, calorific value be 2,578 thousand cards/kilogram biomass fuel, and thin grey dregs 31 ton per day cement baking.
Landfill yard is utilized to fill up reform strengthening distributed photovoltaic power station, the useless ground implementation method of rubbish the sixth of the twelve Earthly Branches, landfill yard is utilized to fill up the reform strengthening 3 megawatt distributed photovoltaic power station, 90 mu of useless ground of rubbish, district can be utilized with solar energy, annual fine day was by 200 days, fine day every square metre generating 0.4 degree, year generating about 2,400,000 degree, landfill yard is used by oneself, rate for incorporation into the power network 0.84 yuan/degree.Year total generating income 201.6 ten thousand yuan.
Also the ground reform strengthening biomass power plant that the part of filling up rubbish can be given up stores the fodder field implementation method of stalk, the stalk fuel of biomass power plant is large by crop harvesting seasonal effect, annual results two season, interval 4-8 month, large-area stalk is needed to stack field, the about 150 mu of useless ground reform strengthening stalks utilizing landfill yard to fill up rubbish stack field, with every mu of stackable 300 tons of grass in ground, stackable 45000 tons of stalks, by a 30MW Turbo-generator Set, a supporting 130t/h biomass direct-combustion boiler, need forage 800 tons every day, Ke Bao Certificate measures with grass for nearly two months.Both solved the place of storage forage, it is multiplexing to be again that land resource is able to.
The present invention is domestic garbage resource utilization, minimizing landfill, harmlessness disposing open a kind of new approach.
Claims (10)
1. an electric power, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: the method comprises following five parts:
(1) house refuse carries out resource Pre-sorting at landfill yard;
(2) power industry works in coordination with the biomass fuel burning electricity generation utilizing and sub-elect;
(3) building material industry works in coordination with the biomass fuel utilizing and sub-elect, thin grey dregs cement baking;
(4) landfill yard is utilized to fill up the reform strengthening distributed photovoltaic power station, useless ground of rubbish the sixth of the twelve Earthly Branches;
(5) the ground reform strengthening bio-power plant that also part of filling up rubbish can be given up stores the fodder field of stalk.
2. electric power according to claim 1, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: house refuse is carried out resource Pre-sorting at landfill yard and comprised: material loading dredges material, broken bag fragmentation, screening selection by winnowing, kitchen excess sorting, magnetic separation artificial separation five production craft step:
Material dredged by described material loading, loose feeding is pressed to dredge material machine three face and be provided with baffle plate by the grab bucket block rubbish that house refuse accumulated pond of hydraulic pressure long-arm loading machine, one end face opening, the feed bin that lower actinal surface and conveyer are connected, conveyer is driven to pour feed bin accumulation rubbish on a conveyor into by buncher, deliver to and be positioned at the thin material roller place that surface, feed bin open end front upper place is provided with screw type switch-plate, the rubbish cloth be deposited on the conveyer of feed bin openend is sent into garbage bag breaking machine in being positioned on the material loading stepless speed regulation conveyer below thin material roller by the screw type switch-plate dredging material roller surface,
Described broken bag is broken, garbage bag breaking machine is positioned at the roller screen import department of screening, its outlet Shen Ru Roll sieves import, frequency control motor drives bag-breaking machine main shaft and drives and is suspended on rotary cut formula blade High Rotation Speed on cutter shaft frame, the plastic garbage bag more than 98% in house refuse that loads in mixture sending into garbage bag breaking machine is broken into 2-3 sheet, be fragment, the grain that main organic matter is broken into that diameter is several centimetres by kitchen excess simultaneously, cinder, clods breaking become diameter to be less than the particle of 1cm, rubbish after broken bag, fragmentation, is thrown into roller screen import by the outlet of bag-breaking machine;
Described screening selection by winnowing, the roller screen screen cloth of screening is secondary disjunctor, first order mesh is pore, the second level is gross porosity, Roll sieve side is pressed close to screen cloth mesh and is provided with high pressure air blowing pipe, to the clear hole of screen cloth mesh, stepless speed-regulating motor drives the friction pulley of carrying sieve nest load to drive secondary roller screen to rotate by power transmission shaft, outlet from bag-breaking machine is thrown into the rubbish after roller screen import fragmentation, be divided into four classes: first kind screenings is that stacking field is sent in thin grey dregs discharge, Equations of The Second Kind screenings is the kitchen excess in coarse grain footpath is main organic matter and brick, stone is the mixture of main inorganic matter, send into kitchen excess sorting operation, 3rd class is plastic foil bag webs, the mixture of paper, when oversize discharges the outlet of secondary roller screen, the windstream blown out by the winnowing machine being located at secondary roller screen outlet below incites somebody to action wherein plastic foil bag webs, paper blows to inlet scoop, through induced-draught fan pneumatic convey, again after cyclone separator is separated, the plastic foil bag webs separated, the mixture of paper falls in material-storage jar, discharged by the conveying worm be connected with material-storage jar outlet at bottom, send manual sorting operation, 4th class is remain oversize after selection by winnowing, be mainly fabric, footwear, bamboo wood class large organic matter, fuel storage fuel is sent by conveyer,
Described kitchen excess sorting, the wet separation machine of kitchen excess sorting take water as medium, WATER AS FLOW MEDIUM adopts Inner eycle, when the Equations of The Second Kind kitchen excess of screening sub-prime is main organic matter and brick, when stone is the mixture feeding kitchen excess wet separation machine inlet capable of main inorganic matter, recirculated water is pumped into distribution reservoir by the immersible pump simultaneously in circulating water pool, and spray to the composting entering charging aperture from its water-distributing gap, mixture rubbish is sent into water separation tank by current, inorganic matter sinks in the aggregate bin of the scraper slagging machine connect with pond bottom sheet, buncher drives scraper slagging machine rotation inorganic matter to be taken out of water surface discharge and send magnetic separation and artificial separation operation, based on the organic matter of kitchen excess in water separation tank, sent into dehydration roller screen by the current band flowed through water outlet aqueduct to dewater, the water removed sends into circulating water pool after being collected by the dehydration tank be located at below dehydration roller screen, kitchen excess after dehydration is main organic matter, hardly containing inorganic matter, fall into the screw press machine inlet capable be connected with wringer roll sieve outlet, kitchen excess after press dewatering send fuel storage fuel by conveyer, squeeze the water removed and fall into drip pan, send into Sewage Disposal, qualified discharge after process,
Described magnetic separation artificial separation, masonry that kitchen excess wet separation sub-prime goes out is main inorganic matter, first through magnetic separation sub-prime ferrous metal, again through manual sorting's non-ferrous metal, hard plastic sheet, glass, refuse battery, collect by the material pond in artificial feeding storehouse respectively, residue is masonry is that main inorganic matter send stockyard, the 3rd class plastic foil bag webs that screening sub-prime goes out, the mixture of paper, through manual sorting, fuel storage fuel is sent in the plastic foil bag webs feeding storehouse separated, paper; House refuse is by carrying out resource Pre-sorting at landfill yard, sub-prime is the kitchen excess of dehydration is main organic matter, the large part organic matter of chopping, biomass fuel made of paper, plastic foil bag webs, hard plastic sheet, ferrous metal, non-ferrous metal, glass are main waste material regeneration, refuse battery harmlessness disposing, thin grey dregs, masonry are main inorganic matter sanitary landfills.
3. electric power according to claim 1, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: described power industry works in coordination with the biomass fuel burning electricity generation utilizing and sub-elect, power industry mainly comprises straw electric generation plant, biomass-making gas power plant, directly to burn away the refuse power plant, Hazards in Power Plant, not disposal of refuse of power plant itself, only works in coordination with the biomass fuel burning electricity generation that the kitchen excess utilizing Pre-sorting sub-prime to dewater is main organic matter, the large part organic matter of chopping, paper are made.
4. electric power according to claim 1, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: described building material industry works in coordination with the biomass fuel utilizing and sub-elect, thin ash, slag, soil cement baking, building material industry mainly comprises cement plant, not disposal of refuse of cement plant itself, only work in coordination with the biomass fuel that the kitchen excess utilizing cement furnace to calcine the dehydration of Pre-sorting sub-prime is main organic matter, the large part organic matter of chopping, paper are made, and thin grey dregs cement baking.
5. electric power according to claim 1, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: the described landfill yard that utilizes fills up the reform strengthening distributed photovoltaic power station, useless ground of rubbish the sixth of the twelve Earthly Branches, photovoltaic plant electricity is produced for landfill yard, household electricity, national grid on redundance, it is multiplexing to be that land resource is able to.
6. electric power according to claim 1, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: the described ground reform strengthening biomass power plant that also part of filling up rubbish can be given up stores the fodder field of stalk, that the hundreds of mu utilizing landfill yard the to fill up rubbish the sixth of the twelve Earthly Branches ground reform strengthening biomass power plant that gives up stores the fodder field of stalk, affect by the harvest season to overcome stalk supply, ensure power plant biomass fuel equalization stable, it is multiplexing to be that land resource is able to.
7. electric power according to claim 2, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: power plant, cement plant not disposal of refuse, waste plastics in not burning away the refuse, refuse battery, do not process the stench Leachate site that pre fermentation produces, eliminating directly burns away the refuse produces the secondary pollution of bioxin, heavy metal flying dust strong carcinogen and stench Leachate site; The brick of a refuse landfill landfill after washing, stone are main inorganic matter, fully recovering after the recycling waste water process that Pre-sorting disposal of refuse produces, the waste gas that kitchen excess squeeze water, technical process are collected is all controlled, and qualified discharge after process, eliminates the serious secondary pollution of direct landfill waste.
8. electric power according to claim 2, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: kitchen excess wet separation machine take water as medium, WATER AS FLOW MEDIUM adopts Inner eycle, the every order of classes or grades at school of recirculated water switches once, pumps into treatment tank by immersible pump by three-way valve, and the clear water after process flows into clear water reserviors, the per tour of clear water reserviors water is opened and is once put into circulating water pool, without sewage discharge in technical process.
9. electric power according to claim 2, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: garbage bag breaking machine cutter shaft frame comprises main shaft, cutterhead, cutter shaft, frequency control motor, multiple cutterhead is fixed on main shaft, many cutter shafts are fixed on the cutterhead at two ends through cutterhead upper slitter axis hole symmetry, rotary cut formula blade is suspended on the cutter shaft between two cutterheads a group by a group symmetrically movably, and frequency control motor drive shaft drives and is suspended on rotary cut formula blade High Rotation Speed on cutter shaft frame.
10. electric power according to claim 2, building material industry works in coordination with the method for landfill yard resource, harmless treatment house refuse, it is characterized in that: Roll sieve side is pressed close to screen cloth and is provided with high pressure air blowing pipe, the high pressure draught directive screen cloth mesh that high pressure positive blower is blown out by high pressure air blowing pipe, makes roller screen often rotate a circle and clear hole once.
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