CN203330098U - Harmless treatment and comprehensive utilization system of urban and rural solid waste - Google Patents
Harmless treatment and comprehensive utilization system of urban and rural solid waste Download PDFInfo
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- CN203330098U CN203330098U CN2013203613681U CN201320361368U CN203330098U CN 203330098 U CN203330098 U CN 203330098U CN 2013203613681 U CN2013203613681 U CN 2013203613681U CN 201320361368 U CN201320361368 U CN 201320361368U CN 203330098 U CN203330098 U CN 203330098U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model provides a harmless treatment and comprehensive utilization system of urban and rural solid waste. The harmless treatment and comprehensive utilization system comprises a weighing and metering device, a comprehensive sorting device, an organic-matter intermediate-temperate anaerobic fermentation device, a plastic granulating device, a pyrolysis and gasification device, a building garbage breaking device, a building material manufacturing device and a dust-removing and deodorizing device. The harmless treatment and comprehensive utilization system provided by the utility model has the advantages that the comprehensive treatment mode with comprehensive garbage sorting, intermediate-temperature anaerobic fermentation, the plastic granulating system, the pyrolysis and gasification device and the building material manufacturing device is adopted, so that all components in garbage of an industrial park are fully utilized, zero burying is basically realized, harmless, reduced and recycling treatment of the garbage is guaranteed, secondary pollution is effectively reduced and the environmental pollution caused by the garbage in cities is reduced.
Description
Technical field
The utility model relates to town and country solid waste process field, is specifically related to a kind of town and country solid waste harmless treatment utilization system.
Background technology
Environment is that the mankind depend on for existence and the primary condition developed, in the face of town dweller's reform, the expansion of city size, population increase, industrial developing rapidly, the solid waste discharge capacity also grows with each passing day, therefore, the MSW processing has received the public's concern and has become one of focus of resource environment problems.
Because China controls to the management of solid waste the thought that lacks systems organization, only to realize its management by relevant law making, from reality, do not pursue benefit, make its treatment facility not maximize the use, the resource value of recovery is not performance utilization to greatest extent also; Importantly, citizen are deep not to classification disposal knowledge and the environmental protection consciousness of MSW, lack its reasonable distribution and utilization, and therefore, municipal solid wastes is processed problem and also needed to treat urgent solution.
Solid waste is " raw material that is placed on wrong place in the wrong time " in fact, the management of reinforcement to MSW, it is the requirement of implementing a scientific outlook on development and building a harmonious society, should be with minimizing, resource and the harmless target that turns to, from the source control and management, strengthen government function, improve law, raise environmental awareness amongst the general public, the managerial skills of comprehensive raising MSW, solve the city solid waste and process problem, realize sustainable development.
The major way of China's urban garbage disposal has three kinds, and proportion is followed successively by sanitary landfills, burning electricity generation, During High-Temperature Composting from high to low.Sanitary landfills, due to reasons such as floor space is excessive, waste land resource, addressing difficulties, is replaced by burning electricity generation just gradually in the more flourishing city of economy; Burning is thorough owing to subtracting remarkable, the innoxious degree of appearance effect, and floor space is little, less on the impact of surrounding environment, and consumer waste incineration is processed in China's development very fast nearly ten years.But because the public is extremely responsive to burning the control problem that produces dioxin carcinogen; The problems such as cost is high owing to existing for compost, the product fertilizer efficiency is lower, second-rate, find no sale, most of enterprise is difficult to keep on the go, and derives in recent years the various biologic treating techniques of development, but mostly still belongs to test character.
Because China's house refuse component of refuse is complicated and changeable, and the characteristics with " recyclable materials content and calorific value are lower; msw water content and biodegradable content of organics are high ", the refuse disposal system of single mode not only is difficult to reach the requirement of disposal of refuse resource, innoxious, minimizing, and processing cost is high.Only have rubbish pretreatment and actual garbage as resource mode are organically combined, just can overcome the changeable characteristic of refuse composition, thereby improve the efficiency of garbage as resource.
The utility model content
The purpose of this utility model is to provide a kind of town and country solid waste harmless treatment utilization system.
In order to realize above purpose, the utility model adopts following technical scheme:
A kind of town and country solid waste harmless treatment utilization system, consist of Weighing device, total score screening device, organic matter intermediate temperature anaerobic fermentation device, construction waste crushing device, plastic granulating device, pyrolysis gasifying device, building materials manufacturing installation and dedusting odor removal;
Described Weighing device is connected with the total score screening device by conveying device, the total score screening device is connected with organic matter intermediate temperature anaerobic fermentation device, construction waste crushing device, plastic granulating device, pyrolysis gasifying device respectively, construction waste crushing device is connected with the building materials manufacturing installation by conveying device, and the total score screening device is connected with dedusting odor removal device by gas transmission pipeline respectively with pyrolysis gasifying device.
Described total score screening device is connected in series and forms successively by Pre-sorting machine, bag-broken breaker, integrative fanning machine.
Two sections screen drums before and after described integrative fanning machine has, leading portion screen drum aperture 60mm, back segment sieve aperture 40mm, on the inwall of cylinder, be distributed with six helixes by the flight combination.
Described organic matter intermediate temperature anaerobic fermentation device is connected in series and forms successively by allotment sand removing tank, separation pulping tank, homogeneous regulating reservoir, and the homogeneous regulating reservoir is connected with anaerobic digestion reaction vessel by feed pump.
Affiliated construction waste crushing device is connected in series and forms successively by drawing-in device, impact breaker, ferromagnetic substance removing device and whole screening plant.
Described plastic granulating device is by magnetic separator, high speed single-shaft crusher, first order high speed cleaning machine, foreign substance removing apparatus, proportion seperator, cleaning machine, squeezing dehydration apparatus, drying machine and secondary single screw extrusion machine are connected in series and form successively for the second time.
Described pyrolysis gasifying device is connected in series and forms successively by pyrolysis installation, dust arrester, electrically trapped tar oil device, cooling device, purifier, dechlorination apparatus, desulfurizer, pressue device, drying device.
Described building materials manufacturing installation is connected in series and forms successively by breaker, mixer, ageing storehouse, box feeding machine, mixing extruder, fine cracking double roller machine, two-stage vacuum extruder for blocks, hothouse, tunnel cave, finished product stockyard.
The specific works process of the utility model town and country solid waste harmless treatment utilization system is:
1, Weighing device
After the refuse collector of filling rubbish drives into industrial park, need to carry out can driving towards the feed workshop after Weighing.Weighing system is by computer management, the gross mass that Detection of content is each refuse collector.Automatic input is: the license number of this car, vehicle.The data that show on display are: time, license number, vehicle, gross mass, mounted mass and day aggregate-value are surveyed in this car test.
2, total score screening device
Refuse collector enters discharging hall after the weighbridge weighing, discharging in cheating to garbage storing.Crude waste through the grab bucket on expect the skirtboard conveyer, the skirtboard conveyer by mass transport to the Pre-sorting machine.The Pre-sorting machine can all be separated the Bulky Waste in rubbish that (particle diameter is greater than 400mm, sorting index 99%), sandy soil class rubbish in rubbish can be isolated below 80%(particle diameter 30mm simultaneously) left and right, material between 30mm～400mm is delivered to refuse grinder, after the bag-broken breaker fragmentation, fall into integrative fanning machine.
Disintegrating machine can all be opened the polybag of not opening in rubbish, and the foreign material that will be bonded on plastics break up, and the organic matter that particle diameter is greater than to 60mm is smashed to 60mm.
Rubbish after bag-broken breaker is processed falls to integrative fanning machine naturally, enters the rotary screen of integrative fanning machine rotation.The screen drum of integrative fanning machine divides two sections of front and back, leading portion screen drum aperture 60mm, back segment sieve aperture 40mm.On the inwall of cylinder, be distributed with six helixes by the flight combination, the helix of this flight combination can not only repeatedly seethe rubbish in cylinder, makes it fully participate in screening, and can fully seethe the waste plastic in rubbish out and participate in successively selection by winnowing.
Light materials is fed into the back segment screen drum through wind, and the material main component that is greater than 40mm is plastics, enters follow-up plastic granulating system after artificial separation; Screenings between leading portion screen drum and back segment screen drum is to take organic matter as main component of refuse, and this part rubbish enters anaerobic fermentation system pretreatment workshop section; Leading portion is greater than the combustible of 60mm, by specific gravity separator, removes the non-combustible compositions such as masonry tile fragment, and the combustible component enters pyrolysis gasification system.
3, organic matter intermediate temperature anaerobic fermentation device
After domestic garbage integrated separating, at first organic waste carries out fragmentation, then enter the sorting of allotment sand removing tank and remove the slag stone in house refuse, through slagging-off send after stone after separating the further broken pulp of pulping tank and further isolating impurity wherein send the homogeneous regulating reservoir with modified after the municipal sludge mixing preparation to solid content 10%, and realization heats in advance.Deployed material is by the anaerobic digestion reaction vessel that is dosed into of feed pump equilibrium, the preferred screw pump of feed pump, and the feed mode is batch-type.Anaerobism feed arrangement flowmeter, motor-driven valve, dehvery pump etc. are arranged in anaerobic system charging pump house.Reactor is furnished with the anaerobic processes parameters such as temperature-detecting device, omnibearing stereo stirring system, omnibearing stereo temperature raising and maintaining system, anti-scum silica frost knot convering system, sediment outflow blowdown system, sampler, discharging system and controls necessary device, realizes system high efficiency stable operation.
The sand setting produced in the anaerobic reactor running enters the temporary tank of biogas residue and biogas liquid after sending the sand setting cache pool temporary by the sediment outflow pipe.Product after the material anaerobic fermentation has digestive juice and biogas.Digestive juice enters after slag temporary tank in liquid natural pond, natural pond is kept in and send the brick making system utilization.The biogas that anaerobic reactor produces send the low gas storage holder of dry type to store after the desulfurization pretreatment, as building materials manufacturing system source of the gas.
4, construction waste crushing device
After building waste is transported into garden by collecting cart, in the other discharging in broken zone, raw material carries out the material loading operation via loading machine.Broken raw material is generally building batch mixing, concrete defective material, pitch defective material, natural stone etc.(usually should not surpass 600mm) when raw materials size is excessive, the reply raw material carries out precrushing, then sends into the feeding system of movable crusher.Depending on the kind difference of broken raw material, the disposal ability of movable crusher is also different, usually can reach 250～350t/h.
The construction waste crushing system is comprised of drawing-in device, impact breaker, ferromagnetic substance removing device and whole screening plant.
Drawing-in device material loading bucket capacity can reach 4m
3, the about 4.2m of material loading height, raw material enters impact breaker after by feeding trough.The disintegrating machine case is the hydraulic overturn formula, the maintaining door is arranged on sidewall and rear wall, every side is equipped with 2 compactnesses and is easy to approaching case screw, the heavy type casting valve of import department's equipment hydraulic lifting, equipment chain type material curtain and multistage rubber mass curtain, system will, from the pre-material sieved on lower floor's compass screen surface, be transported to the vibration blowpit of disintegrating machine below.The C template hammer of disintegrating machine is the nucleus equipment of realizing the system crushing function, and the raw material after fragmentation enters the follow-up whole screening plant of system, carries out the final classification of crushed product.
Ferromagnetic substance removing device can reclaim the metal ingredient in broken rear building waste; Locate to be equipped with the low pressure water injector at disintegrating machine, discharging belt feeder, side direction belt feeder etc. in addition, by making water fogging ejection, can in shattering process, play the effect of depositing dust.
Whole construction waste crushing device adopts Diesel engine as power source, and power can reach 298kw, and complete unit can be by the visual control system unified operation, convenient and swift.
5, plastic granulating device
The regeneration and granulation of the film class plastics that sort out from rubbish mainly can be divided into following 5 processing sections:
(1) reduction stage: after film class plastic waste plastics feed intake,, uncomfortable thing is got rid of before broken simultaneously with addition of magnetic separation through the artificial foreign matter of discharging.According to the breakage properties of film class material, adopted the high speed single-shaft crusher.In order to reach better crushing effect and to be easy to the processing of subsequent technique, this workshop section has adopted water spray wet type crumbling method in machine; In broken, realize the initial gross separation of film and attachment.
(2) cleaning section: for the attachment of removing film and obtain high-quality plastic reclaimed product, this workshop section arranges secondary high speed purging system.
The first order is intended to separating film and attachment after cleaning at a high speed and being arranged on fragmentation, makes follow-up proportion seperator realize better separating effect.After the second level is cleaned at a high speed and is arranged on the proportion separation, purpose is that the film class after proportion separates is cleaned again, when removing foreign matter, alleviates the stink from house refuse.Clean at a high speed by secondary, film is got effective washing, guaranteeing regenerated plastics particle high-purity, high-quality while, reduce the stink in particle.
(3) divide selections: this workshop section mainly contains foreign matter before broken and removes and separate this two processes with proportion.
Proportion separate to adopt the rotating shaft of multiaxis friction speed, according to the characteristic of material, adjusts operating mode, and separating film and foreign matter to greatest extent comprise and the separating of other heterogeneous plastics, and guarantee the purity of material, also makes the subsequent technique can trouble-free operation.
(4) section of dehydrating: the film after cleaning at a high speed, because specific area is large, centrifugal drier is difficult to reach effective dehydrating effect.If dehydrating effect is bad, cause dryer section to consume energy very much.Therefore it is main that this workshop section adopts to dewater, drying is auxiliary for principle, adopts squeezing dehydration apparatus to dewatering to greatest extent in film, then with drying machine, it is carried out to drying.By dehydration and dry effective combination, realize dehydration, dry optimum efficiency.
(5) granulation section: in order to ensure the quality of regenerated particle, adopt the secondary prilling.For the controlled investment cost, this workshop section should not adopt double screw extruder simultaneously, but secondary all configures single screw extrusion machine.
Consider that the film of separating in house refuse is with dissimilar materials such as a large amount of aluminium films, the waste plastics granulation pattern do not followed conventional lines in the functions of the equipments configuration, but adopt following technologic improvement, guarantee the granulation quantity and quality.
I, one-level are extruded and are adopted the secondary exhaust---guarantee mass particle;
II, the pelletizing of employing water ring---guarantee output, easily operation;
III, adopt continuous draping---guarantee output.
6, pyrolysis gasifying device
The pyrolytic gasification technology of house refuse, that gasifiable house refuse is inserted in pyrolysis gasification furnace, under the condition of high temperature, anoxic, through pyrolytic gasification reaction after a while, make organic component in house refuse obtain sufficient pyrolytic gasification, in the pyrolytic gasification process, the organic macromolecule state is cracked into little molecular state fuel gas, and residue is molten slag, and all kinds of bacteria pathogeny bacterium are thoroughly killed.
While adopting pyrolytic gasification technique, but pyrolytic gasification rubbish enters pyrolysis gasification furnace by the feeding of feeding system hydraulic drive.Under the acting in conjunction of high temperature, air, steam, produce fuel gas through pyrolytic reaction, then through dedusting, electrically trapped tar oil, cool, the techniques such as purification, dechlorination, desulfurization, pressurization, drying, can obtain calorific value is 5500～6500kJ/Nm
3, the pressure pure commercial natural gas that is 11000～25000Pa.Rubbish average aerogenesis per ton is 1200～1800m approximately
3, can realize around the clock, continuous wave output.
The pyrolytic gasification processing step is as follows:
The first step: organic combustibles such as the leaf in rubbish, wooden thing, vegetable leaf, plastic, rubber packing material, waste paper, cloth, from furnace roof, add pyrolysis gasification furnace, in the process descended with the pyrolysis contacts fuel gas of temperature at 80～120 ℃, constantly sloughed attached water in 1～2 hour, water becomes steam and discharges out of the furnace together with the pyrolysis combustion gas, and rubbish is desiccation progressively.
Second step: dried rubbish combustible, the baking of the scorching hot combustion gas that the temperature of coming from the conversion zone rising in part is 200～450 ℃, dry distillation reactor occurs, generate fuel gas and the steam (H such as alkanes (CmHn), carbon monoxide (CO), tar
2o), the chlorine in the materials such as plastic, rubber (Cl) Element generation hydrogen chloride (HCl) gas, sulphur (S) Element generation (H
2s) gas, above all gas is discharged from upper of furnace body together.
The 3rd step: the rubbish after destructive distillation, main residue is the noncombustibleses such as coke and minority clay, under 1100～1200 ℃ of high temperature, by the effect of steam, redox reaction occurs and produce carbon monoxide (CO), hydrogen (H
2) etc. fuel gas, from body of heater middle part, discharge.
The 4th step: the rubbish based on gasification of combustible material completes the inorganic slag become containing a small amount of fixed carbon, by special tapping mechanism, from the reacting furnace bottom, gets rid of.
7, building materials manufacturing installation
Building material brick manufacturing process more complicated, require the abundant homogenizing of raw material, ageing, and production technology is had relatively high expectations to material performance, stricter to the raw material processing, and equipment is also had higher requirements.Therefore, the technological design emphasis has been strengthened the raw material processing, green brick forming and drying.
(1) material storage and processing
The dregs that building waste after this production line employing fragmentation and separation system are selected etc. is raw material, between building materials manufacturing shop and sorting car and construction waste crushing workshop is adjacent, in order to make raw material fully mix homogenizing, the production technology breaker adopts fine jaw-crusher, hammer mill, three grades of fragmentations of fine cracking double roller machine, just broken rear particle diameter is controlled in 20mm, after the hammer crushing crusher machine, particle diameter should be less than 3mm, by the fine cracking double roller machine particle diameter, is less than 1.5mm.Enter mixer after the compound fragmentation and stir, preferably biaxial rneader.
(2) ageing storehouse
Raw material contains certain moisture after treatment, enters the ageing storehouse and carries out ageing in 72 hours, makes the abundant homogenizing of raw material can increase the plasticity of raw material on the one hand; On the other hand, the continuity of producing is played and regulates and cushioning effect.Multi-bucket excavator, ribbon conveyer for raw material after ageing are transported to assembly room.
(3) moulding
Assembly room is by box feeding machine feed, and material enters the two-stage vacuum extruder for blocks extrusion molding again through mixing extruder, fine cracking double roller machine.The former of choice of main machine condition of high vacuum degree, high extrusion pressure.Base substrate is through manually piling up on drying cart.The good drying cart of code is sent it into hothouse by ferry bus and hydraulic pusher.
(4) drying and roasting
This production line adopts quadratic code to burn production technology, and this production technology mechanization, automaticity are high, advanced technology, technique is reasonable, labor strength is low, good product quality, has represented the advanced level of China's heavy clay industry.
The thermal source of hothouse is from tunnel cave.The drying medium (hot-air and hot flue gas) of heat enters hothouse from top, and humid gas is discharged from the hothouse bottom.In order to ensure the quality of dry base substrate, the hot gas in hothouse is stirred and is sent into hot-air by rotary blower, can prevent like this layering of hot-air, makes the Temperature Distribution in hothouse more even.In addition, this hothouse is equipped with the humidity and temperature monitoring system.
Dried adobe is pressed to predetermined form code to kiln car by artificial.The fuels such as roasting use biogas, pyrolysis gas external combustion roasting or the flyash of tunnel cave and gangue, coal dust.This calcining kiln is large section type kiln, has ceiling structure, and output is large, and section has a narrow range of temperature, and good heat insulating is beneficial to the production regulation and control.Finished product after roasting is sent product into the finished product stockyard after artificial go-on-go.
8, dedusting odor removal
Between house refuse discharge zone, sorting car, each workshop such as pyrolysis gasification system, building materials preparation system all can produce a certain amount of foul smell.The Main Ingredients and Appearance of foul smell is H
2s and NH
3, also have in addition a small amount of organic gas as methyl mercaptan, methylamine, methyl sulphur etc.These gaseous volatilizations are larger, easily be diffused in atmosphere, and portion gas are poisonous or penetrating odor is large.For preventing these gaseous contamination air, harm people's health, must adopt deodorization technology to imitate containment.In addition, building materials prepare workshop also can produce a certain amount of airborne dust, and engineering must be considered dust removal problem.The deodorizing method that the rubbish stench is commonly used has absorption, absorption, biological decomposition, chemical oxidation, burning etc.The main method of administering foul gas has Physical, chemical method and bioanalysis three classes:
Physical does not change the chemical property of odorant, just with a kind of material, its stink is sheltered and is diluted, or odorant is transferred to liquid phase or solid phase by gas phase.Common methods has masking method, dilution method, condensation method and absorption method etc.
Chemical method is to use another material and odorant to carry out chemical reaction, changes the chemical constitution of odorant, makes it to change into odorless material or the lower material of stink.Common methods has firing method, oxidizing process and chemical absorption method (acid-base neutralization method) etc.
The at present application of physics and chemistry method mainly contain three kinds of soda acid absorption, chemisorbed, oxidizing process and burnings.These methods respectively have its advantage, but all exist device therefor various and complex process, adsorbent reactivation difficulty and last handling process complexity, the problem such as energy consumption is large.
This refuse disposal system, due to the manufacture of pyrolytic gasification walling, combined workshop itself is provided with tunnel cave, therefore using comprehensive sorting workshop, the smelly source point foul smell such as storage hole, pyrolytic gasification workshop is sent to tunnel cave as combustion air after the unified collection of negative pressure, the foul smell that negative pressure is collected is fully burning in tunnel cave, and airborne odorant decomposes oxidation and removes in combustion process.
Native system adopts the deodorizing mode that negative pressure is collected, tunnel cave burns and sprays in conjunction with natural plant liquid.Simultaneously, building materials prepare workshop bag-type dust removal system are set, and the airborne dust that production process is produced traps control.Deodorization process can't be realized when preventing that tunnel cave from breaking down, and this flow setting has the chemical deodorizing Tower System, as emergent deodorizing facility.
The comprehensive treatment mode that native system adopts " the comprehensive sorting of rubbish, intermediate temperature anaerobic fermentation, plastic granulating system, pyrolysis gasification system, building materials manufacturing system " to combine.After being the crude waste sorting, the resource component of the reusable edibles such as recovery ferrous metal; Plastics enter plastic granulating system; The material that content of organics is higher passes through further to remove impurity after pretreatment, enters anaerobic fermentation system; Combustible in rubbish enters pyrolysis gasification system, for brick making system provides thermal source; Dregs, masonry tile fragment etc. enter brick making system together with the building waste after mud and fragmentation and produce building material product.Each component in the rubbish of industrial park has reached makes the best use of everything, and basic realization the " zero landfill ", ensure the processing of garbage harmless, minimizing and resource, effectively reduces secondary pollution, alleviates the environmental pollution that bring because of rubbish in city.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of town and country solid waste harmless treatment utilization system of providing of the utility model;
Fig. 2 is the structural representation of total score screening device in Fig. 1;
Fig. 3 is the structural representation of organic matter intermediate temperature anaerobic fermentation device in Fig. 1;
Fig. 4 is the structural representation of construction waste crushing device in Fig. 1;
Fig. 5 is the structural representation of plastic granulating device in Fig. 1;
Fig. 6 is the structural representation of pyrolysis gasifying device in Fig. 1;
Fig. 7 is the structural representation of building materials manufacturing installation in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand the following specific embodiment and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Embodiment
The harmless treatment and comprehensive utilization system of a kind of town and country solid waste, by Weighing device 1, total score screening device 2, organic matter intermediate temperature anaerobic fermentation device 3, construction waste crushing device 4, plastic granulating device 5, pyrolysis gasifying device 6, building materials manufacturing installation 7 and dedusting odor removal 8.Weighing device 1 is connected with total score screening device 2 by conveying device, total score screening device 2 is connected with organic matter intermediate temperature anaerobic fermentation device 3, construction waste crushing device 4, plastic granulating device 5, pyrolysis gasifying device 6 respectively, construction waste crushing device 4 is connected with building materials manufacturing installation 7 by conveying device, and total score screening device 2 is connected with dedusting odor removal 8 by gas transmission pipeline respectively with pyrolysis gasifying device 6.Total score screening device 2 is connected in series and forms successively by Pre-sorting machine 201, bag-broken breaker 202, integrative fanning machine 203.Two sections screen drums before and after integrative fanning machine 203 has, leading portion screen drum aperture 60mm, back segment sieve aperture 40mm.On the inwall of cylinder, be distributed with six helixes by the flight combination.Organic matter intermediate temperature anaerobic fermentation device 3 is connected in series and forms successively by allotment sand removing tank 301, separation pulping tank 302, homogeneous regulating reservoir 303, and homogeneous regulating reservoir 303 is connected with anaerobic digestion reaction vessel 305 by feed pump 304.Construction waste crushing device 4 is connected in series and forms successively by drawing-in device 401, impact breaker 402, ferromagnetic substance removing device 403 and whole screening plant 404.The plastic granulating device is by magnetic separator 501, high speed single-shaft crusher 502, first order high speed cleaning machine 503, foreign substance removing apparatus 504, proportion seperator 505, cleaning machine 506, squeezing dehydration apparatus 507, drying machine 508 and secondary single screw extrusion machine 509 are connected in series and form successively for the second time.Pyrolysis gasifying device is connected in series and forms successively by pyrolysis installation 601, dust arrester 602, electrically trapped tar oil device 603, cooling device 604, purifier 605, dechlorination apparatus 606, desulfurizer 607, pressue device 608, drying device 609.The building materials manufacturing installation is connected in series and forms successively by breaker 701, mixer 702, ageing storehouse 703, box feeding machine 704, mixing extruder 705, fine cracking double roller machine 706, two-stage vacuum extruder for blocks 707, hothouse 708, tunnel cave 709, finished product stockyard 710.
Claims (8)
1. a town and country solid waste harmless treatment utilization system, it is characterized in that, formed by Weighing device, total score screening device, organic matter intermediate temperature anaerobic fermentation device, construction waste crushing device, plastic granulating device, pyrolysis gasifying device, building materials manufacturing installation and dedusting odor removal;
Described Weighing device is connected with the total score screening device by conveying device, the total score screening device is connected with organic matter intermediate temperature anaerobic fermentation device, construction waste crushing device, plastic granulating device, pyrolysis gasifying device respectively, construction waste crushing device is connected with the building materials manufacturing installation by conveying device, and the total score screening device is connected with dedusting odor removal device by gas transmission pipeline respectively with pyrolysis gasifying device.
2. solid waste harmless treatment utilization system in town and country according to claim 1, is characterized in that, described total score screening device is connected in series and forms successively by Pre-sorting machine, bag-broken breaker, integrative fanning machine.
3. solid waste harmless treatment utilization system in town and country according to claim 1 and 2, is characterized in that, two sections screen drums before and after described integrative fanning machine has, leading portion screen drum aperture 60mm, back segment sieve aperture 40mm, on the inwall of cylinder, be distributed with six helixes by the flight combination.
4. solid waste harmless treatment utilization system in town and country according to claim 1, it is characterized in that, described organic matter intermediate temperature anaerobic fermentation device is connected in series and forms successively by allotment sand removing tank, separation pulping tank, homogeneous regulating reservoir, and the homogeneous regulating reservoir is connected with anaerobic digestion reaction vessel by feed pump.
5. solid waste harmless treatment utilization system in town and country according to claim 1, is characterized in that, described construction waste crushing device is connected in series and forms successively by drawing-in device, impact breaker, ferromagnetic substance removing device and whole screening plant.
6. solid waste harmless treatment utilization system in town and country according to claim 1, it is characterized in that, described plastic granulating device is by magnetic separator, high speed single-shaft crusher, first order high speed cleaning machine, foreign substance removing apparatus, proportion seperator, cleaning machine, squeezing dehydration apparatus, drying machine and secondary single screw extrusion machine are connected in series and form successively for the second time.
7. solid waste harmless treatment utilization system in town and country according to claim 1, it is characterized in that, described pyrolysis gasifying device is connected in series and forms successively by pyrolysis installation, dust arrester, electrically trapped tar oil device, cooling device, purifier, dechlorination apparatus, desulfurizer, pressue device, drying device.
8. solid waste harmless treatment utilization system in town and country according to claim 1, it is characterized in that, described building materials manufacturing installation is connected in series and forms successively by breaker, mixer, ageing storehouse, box feeding machine, mixing extruder, fine cracking double roller machine, two-stage vacuum extruder for blocks, hothouse, tunnel cave, finished product stockyard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203613681U CN203330098U (en) | 2013-06-21 | 2013-06-21 | Harmless treatment and comprehensive utilization system of urban and rural solid waste |
Applications Claiming Priority (1)
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| CN104531183A (en) * | 2015-01-26 | 2015-04-22 | 北京元泰达环保建材科技有限责任公司 | System for transforming waste combustible material recovered from building rubbish into clean gas |
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| CN104593022A (en) * | 2015-01-26 | 2015-05-06 | 北京元泰达环保建材科技有限责任公司 | Process and device for gasifying combustibles from construction wastes |
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