CN110180869A - A kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method - Google Patents

A kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method Download PDF

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Publication number
CN110180869A
CN110180869A CN201910533814.4A CN201910533814A CN110180869A CN 110180869 A CN110180869 A CN 110180869A CN 201910533814 A CN201910533814 A CN 201910533814A CN 110180869 A CN110180869 A CN 110180869A
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China
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house refuse
villages
small towns
efficiency cleaning
pyrolysis
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CN201910533814.4A
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冯强
彭及秦
母丹
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Yunnan Zhongmao Environment Energy Technology Investment Ltd By Share Ltd
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Yunnan Zhongmao Environment Energy Technology Investment Ltd By Share Ltd
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Priority to CN201910533814.4A priority Critical patent/CN110180869A/en
Publication of CN110180869A publication Critical patent/CN110180869A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct methods, it is related to technical field of domestic garbage treatment, the of short duration garbage storing that is stored in of the house refuse come is collected to cheat, store certain time, carry out fermentation process, landfill leachate is promoted to device for treating leachate through sewage pump and is handled in storage hole, landfill leachate generate after processing in water and sludge, water supplements new water source in proportion and uses as water sprinkler system during treated, and house refuse is transported to magnetic plant through grab claw in storage hole.The villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method, by the way that biomass pyrogenation gasification furnace is arranged, the house refuse can be pyrolyzed, the imflammable gas generated after pyrolysis, to facilitate later process to use, and the waste after being pyrolyzed can be used as organic base manure and can be used as brickmaking filler, not only reach the purpose for making garbage decrement, and can make that treated substance is utilized effectively.

Description

A kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method
Technical field
The present invention relates to technical field of domestic garbage treatment, specially a kind of villages and small towns house refuse high-efficiency cleaning minimizing is comprehensive Close processing method.
Background technique
Domestic rubbish disposal refers exclusively to daily life or provides solid waste caused by the activity of service for daily life The processing of the solid waste for being considered as house refuse of object and laws and regulations defined, it is Sources decreasing including house refuse, clear It sweeps, categorised collection, storage, transport, processing, disposition and related management activity.
Domestic rubbish disposal the purpose is to reduce Municipal Garbage Yields, be more suitable for " matter " (ingredient and the characteristic) of rubbish with " amount " The requirement of subsequent processing goods final disposal, garbage disposal follow minimizing, innoxious, recycling, saving fund, Economization on land and Criterion, adaptation to local conditions, the integrated treatments such as resident's satisfaction are reduced step by step, and the existing processing mode to house refuse, which generallys use, to be covered The mode buried or burned is handled, and the mode of burial not only wastes a large amount of soils and garbage degradation needs many years, and The mode of burning then pollutes environment, thus it is proposed that a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method comes It solves the above problems.
Summary of the invention
The object of the present invention is to provide a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct methods, and having makes to give birth to The advantages of rubbish living is utilized during the treatment, is not only made garbage decrement and is effectively achieved recycling, solves The problem of being proposed in background technique.
Technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of villages and small towns house refuse high-efficiency cleaning minimizing is comprehensive Processing method, steps are as follows for the villages and small towns house refuse high-efficiency cleaning minimizing integrated treatment:
S1, through collected come house refuse it is of short duration be stored in garbage storing hole, store certain time, carry out fermentation process, storage hole in Landfill leachate is promoted to device for treating leachate through sewage pump and is handled;
S2, landfill leachate generate after processing in water and sludge, water supplements new water source as water in proportion during treated Spray system uses;
House refuse is transported to magnetic plant through grab claw in S3, storage hole;
S4, rubbish enters in crusher and is crushed after magnetic separation;
S5, broken rear rubbish enter cylinder round sifter and sieve to rubbish, screen out fertile soil and individually store, most of rubbish Enter garbage pusher machine entrance for oversize;
S6, broken rubbish are delivered to biomass pyrogenation gasification furnace through pusher, are pyrolyzed, rubbish is through pyrolysis gas of biomass After changing furnace pyrolysis, pyrolysis residue and pyrolysis gas are generated;
S7, pyrolysis residue are mixed with percolate sludge and fertile soil after screening carries out the organic base manure of fermentation generation, and on sieving Object can be used as brickmaking filler;
S8, the pyrolysis gas enter water spray after the pyrolysis of biomass pyrogenation gasification furnace and spray to it, and the water after spray enters Processing equipment is handled;
S9, the pyrolysis gas after spraying enter cyclone system and are dusted work;
Pyrolysis gas after S10, dedusting enters gas fired-boiler and burns;
Exhaust gas after S11, gas fired-boiler burning enters multi-step dust collector and is dusted depickling;
S12, flue gas enter plasma catalytic oxidation unit after Multi-stage dust removing device;
S13, flue gas are after plasma catalytic is handled, into efficient absorption device, the final qualified discharge of flue gas.
Further, the magnetic plant in the step S3 is belt magnetic separator, and one end is permanent magnet transmission shaft, can be had Effect recycles metal product.
Further, the crusher in the step S4 is shear crusher, impact breaker, scraper type crusher Or any one of swing hammer crusher, crusher range of choice is big, effectively save operation cost of enterprises.
Further, the preferred shear crusher of the crusher, and preferably Double-shaft shearing crusher, crushing effect reach To optimal selection.
Further, in the step S5 cylinder round sifter rotary screen discharge partial size≤5mm, preferably rotary screen discharge grain Diameter≤3mm, screening effect are good.
Further, pusher carries out feeding by the way of hydraulic push in the step S5, and feeder length 3~ 5m, push function pushes broken rubbish, to reduce manual labor.
Further, in the step S11 multi-step dust collector be ceramic whirlwind multi-tube dusting, pulsed jet cloth filter, One of electric precipitator perhaps two kinds series connection and deacidification agent selection CaO, Ca (OH) 2, one of or two kinds of dry powder or Aqueous solution carries out effective dedusting depickling to flue gas.
Further, adsorbent used in efficient absorption device selects activated carbon adsorption in the step S13, specific to select With multistage activated carbon adsorption net or cellular activated carbon adsorption, adsorbed again to be discharged into the flue gas in atmosphere, it can be to it Effectively de-tasted.
1, the villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method is cheated by setting garbage storing, can be to rubbish Solid-liquid classification is carried out, by handling various forms of rubbish, treatment effeciency is higher, and water and sludge are equal during treated Can be recycled, by the way that crusher is arranged, solid refuse can be carried out it is effectively broken, avoid garbage bulk it is excessive lead it is subsequent not Benefit reason can be pyrolyzed the house refuse, the gas generated after pyrolysis contains by the way that biomass pyrogenation gasification furnace is arranged The imflammable gas such as CO, H2, CH4, to facilitate later process to use, and be pyrolyzed after waste can be used as organic base manure and It can be used as brickmaking filler, do not only reached the purpose for making garbage decrement, and can make that treated substance is utilized effectively.
2, the villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method, by the way that multi-step dust collector is arranged, not only The dust mixed in rubbish can effectively be filtered, and effective depickling can be carried out to flue gas, effectively to prevent acid rain It generates, the organic exhaust gas such as dioxin in exhaust gas is further decomposed by the way that ionic catalysis oxidation unit is arranged, by setting Setting the device can be such that waste after domestic rubbish disposal is comprehensively utilized, and will not generate secondary pollution to environment, be a kind of high Imitate clean processing method.
Detailed description of the invention
Fig. 1 is domestic rubbish disposal flow chart of the present invention.
Specific embodiment
Embodiment 1
It is collected the of short duration garbage storing that is stored in of the house refuse come to cheat, stores 18 hours, carry out fermentation process, rubbish infiltration in storage hole Filtrate is promoted to device for treating leachate through sewage pump and is handled, landfill leachate generate after processing in water and sludge, place Middle water after reason supplements new water source in proportion and uses as water sprinkler system, Zhong Shui and new make-up water source ratio: 1:2, storage hole Middle house refuse is transported to magnetic plant through grab claw, and magnetic plant is belt magnetic separator, and one end is permanent magnet transmission shaft, warp Rubbish enters in crusher and is crushed after magnetic separation, and crusher is shear crusher, impact breaker, scraper type crusher Or any one of swing hammer crusher, the preferred shear crusher of crusher, and the preferably broken crusher machine of Double-shaft shearing is straight Diameter 200mm, broken rear rubbish enter cylinder round sifter and sieve to rubbish, screens out fertile soil and individually store, most of rubbish Rubbish is that oversize enters garbage pusher machine entrance, and pusher carries out feeding by the way of hydraulic push, feeder length 3.5m, The rotary screen discharging partial size of cylinder round sifter is 3mm, and broken rubbish is delivered to biomass pyrogenation gasification furnace through pusher, into Row pyrolysis, rubbish generate pyrolysis residue and pyrolysis gas after the pyrolysis of biomass pyrogenation gasification furnace, pyrolysis gas contain CO, H2, The substances such as CH4 imflammable gas and tar, pyrolysis residue is mixed with percolate sludge and fertile soil after screening ferments Organic base manure is generated, and oversize can be used as brickmaking filler, which enters water after the pyrolysis of biomass pyrogenation gasification furnace Spray sprays it, and the water after spray enters processing equipment and handled, and the pyrolysis gas after spraying enters cyclone dust removal System is dusted work, and the pyrolysis gas after dedusting enters gas fired-boiler and burns, gas fired-boiler burning after exhaust gas into Entering multi-step dust collector and is dusted depickling, multi-step dust collector is the series connection in ceramic whirlwind multi-tube dusting and electric precipitator, And deacidification agent selects Ca (OH) 2, flue gas enters plasma catalytic oxidation unit after Multi-stage dust removing device, to dioxin in exhaust gas Equal organic exhaust gas are further decomposed, and power consumption and exhaust gas volumn ratio are 3Wh/Nm3, and flue gas is handled through plasma catalytic Afterwards, into efficient absorption device, adsorbent used in efficient absorption device selects activated carbon adsorption, specific to select multistage activity Charcoal adsorption net or cellular activated carbon adsorption, the final qualified discharge of flue gas.
1 discharge gas of embodiment is tested, test result is as shown in table 1:
Table 1
Serial number Project Measured value Emission limit
1 SO2 42 ≤100mg/m3
2 NOX 66 ≤300mg/m3
3 Particulate matter 12.1 ≤30mg/m3
4 CO 39 ≤100mg/m3
5 Hydrogen chloride 0.78mg/m3 ≤60mg/m3
6 Blackness (grade) 1 1
7 Dioxin total amount ∑ (PCDDs+PCDFs) 0.089ng/m3 ≤0.1ng/m3
Embodiment 2
It is collected the of short duration garbage storing that is stored in of the house refuse come to cheat, stores 22 hours, carry out fermentation process, rubbish infiltration in storage hole Filtrate is promoted to device for treating leachate through sewage pump and is handled, landfill leachate generate after processing in water and sludge, place Middle water after reason supplements new water source in proportion and uses as water sprinkler system, Zhong Shui and new make-up water source ratio: 1:2.3, storage House refuse is transported to magnetic plant through grab claw in hole, and magnetic plant is belt magnetic separator, and one end is permanent magnet transmission shaft, Rubbish enters in crusher and is crushed after magnetic separation, and crusher is shear crusher, impact breaker, scraper type are broken Any one of machine or swing hammer crusher, the preferred shear crusher of crusher, and preferably Double-shaft shearing is crushed crusher machine Diameter 180mm, broken rear rubbish enters cylinder round sifter and sieves to rubbish, screens out fertile soil and individually store, most of Rubbish is that oversize enters garbage pusher machine entrance, and pusher carries out feeding by the way of hydraulic push, feeder length 4m, The rotary screen discharging partial size of cylinder round sifter is 3mm, and broken rubbish is delivered to biomass pyrogenation gasification furnace through pusher, into Row pyrolysis, rubbish generate pyrolysis residue and pyrolysis gas after the pyrolysis of biomass pyrogenation gasification furnace, pyrolysis gas contain CO, H2, The substances such as CH4 imflammable gas and tar, pyrolysis residue is mixed with percolate sludge and fertile soil after screening ferments Organic base manure is generated, and oversize can be used as brickmaking filler, which enters water after the pyrolysis of biomass pyrogenation gasification furnace Spray sprays it, and the water after spray enters processing equipment and handled, and the pyrolysis gas after spraying enters cyclone dust removal System is dusted work, and the pyrolysis gas after dedusting enters gas fired-boiler and burns, gas fired-boiler burning after exhaust gas into Enter multi-step dust collector and be dusted depickling, multi-step dust collector is ceramic whirlwind multi-tube dusting, and deacidification agent selects CaO, cigarette Gas enters plasma catalytic oxidation unit after Multi-stage dust removing device, carries out to organic exhaust gas such as dioxin in exhaust gas further It decomposes, power consumption and exhaust gas volumn ratio are 4Wh/Nm3, and flue gas is high into efficient absorption device after plasma catalytic is handled It imitates adsorbent used in adsorbent equipment and selects activated carbon adsorption, it is specific to select multistage activated carbon adsorption net or cellular active carbon Absorption, the final qualified discharge of flue gas.
1 discharge gas of embodiment is tested, test result is as shown in table 2:
Table 2
Serial number Project Measured value Emission limit
1 SO2 44 ≤100mg/m3
2 NOX 73 ≤300mg/m3
3 Particulate matter 15 ≤30mg/m3
4 CO 38 ≤100mg/m3
5 Hydrogen chloride 0.66mg/m3 ≤60mg/m3
6 Blackness (grade) 1 1
7 Dioxin total amount ∑ (PCDDs+PCDFs) 0.092ng/m3 ≤0.1ng/m3
Embodiment 3
It is collected the of short duration garbage storing that is stored in of the house refuse come to cheat, stores 23 hours, carry out fermentation process, rubbish infiltration in storage hole Filtrate is promoted to device for treating leachate through sewage pump and is handled, landfill leachate generate after processing in water and sludge, place Middle water after reason supplements new water source in proportion and uses as water sprinkler system, Zhong Shui and new make-up water source ratio: 1:3, storage hole Middle house refuse is transported to magnetic plant through grab claw, and magnetic plant is belt magnetic separator, and one end is permanent magnet transmission shaft, warp Rubbish enters in crusher and is crushed after magnetic separation, and crusher is shear crusher, impact breaker, scraper type crusher Or any one of swing hammer crusher, the preferred shear crusher of crusher, and the preferably broken crusher machine of Double-shaft shearing is straight Diameter 200mm, broken rear rubbish enter cylinder round sifter and sieve to rubbish, screens out fertile soil and individually store, most of rubbish Rubbish is that oversize enters garbage pusher machine entrance, and pusher carries out feeding, feeder length 5m, rolling by the way of hydraulic push The rotary screen discharging partial size of shaft screen extension set is 3mm, and broken rubbish is delivered to biomass pyrogenation gasification furnace through pusher, carries out Pyrolysis, rubbish generate pyrolysis residue and pyrolysis gas, pyrolysis gas contain CO, H2, CH4 after the pyrolysis of biomass pyrogenation gasification furnace The substances such as imflammable gas and tar, pyrolysis residue mix with percolate sludge and fertile soil carry out fermentation generation after screening Organic base manure, and oversize can be used as brickmaking filler, which enters water spray after the pyrolysis of biomass pyrogenation gasification furnace It is sprayed, the water after spray enters processing equipment and handled, and the pyrolysis gas after spraying enters cyclone system It is dusted work, the pyrolysis gas after dedusting enters gas fired-boiler and burns, and the exhaust gas after gas fired-boiler burning enters more Grade dust arrester installation is dusted depickling, and multi-step dust collector is the combination of ceramic whirlwind multi-tube dusting and pulsed jet cloth filter, And the combination of deacidification agent selection CaO and Ca (OH) 2, flue gas enters plasma catalytic oxidation unit after Multi-stage dust removing device, right The organic exhaust gas such as dioxin are further decomposed in exhaust gas, and power consumption and exhaust gas volumn ratio are 5Wh/Nm3, flue gas through etc. After ionic catalysis processing, into efficient absorption device, adsorbent used in efficient absorption device selects activated carbon adsorption, specifically Select multistage activated carbon adsorption net or cellular activated carbon adsorption, the final qualified discharge of flue gas.
1 discharge gas of embodiment is tested, test result is as shown in table 3:
Table 3
Serial number Project Measured value Emission limit
1 SO2 36 ≤100mg/m3
2 NOX 72 ≤300mg/m3
3 Particulate matter 11 ≤30mg/m3
4 CO 31 ≤100mg/m3
5 Hydrogen chloride 0.74mg/m3 ≤60mg/m3
6 Blackness (grade) 1 1
7 Dioxin total amount ∑ (PCDDs+PCDFs) 0.070ng/m3 ≤0.1ng/m3
In use, being collected, the house refuse come is of short duration to be stored in garbage storing hole, stores certain time, carries out fermentation process, storage Landfill leachate is promoted to device for treating leachate through sewage pump and is handled in hole, landfill leachate generate after processing in water And sludge, water supplements new water source in proportion and uses as water sprinkler system during treated, stores up in cheating house refuse through grabbing bucket Machine is transported to magnetic plant, and rubbish enters in crusher and is crushed after magnetic separation, and broken rear rubbish enters cylinder round sifter pair Rubbish is sieved, and is screened out fertile soil and is individually stored, and most of rubbish is that oversize enters garbage pusher machine entrance, after being crushed Rubbish be delivered to biomass pyrogenation gasification furnace through pusher, be pyrolyzed, rubbish through biomass pyrogenation gasification furnace pyrolysis after, produce Raw pyrolysis residue and pyrolysis gas, pyrolysis residue, which mixes ferment generating after screening with percolate sludge and fertile soil, to be had Machine base manure, and oversize can be used as brickmaking filler, which enters water spray pair after the pyrolysis of biomass pyrogenation gasification furnace It is sprayed, and the water after spray enters processing equipment and handled, the pyrolysis gas after spraying enter cyclone system into Row dedusting work, the pyrolysis gas after dedusting enter gas fired-boiler and burn, and the exhaust gas after gas fired-boiler burning enters multistage Dust arrester installation is dusted depickling, and flue gas enters plasma catalytic oxidation unit after Multi-stage dust removing device, and flue gas is through plasma After catalytic treatment, into efficient absorption device, the final qualified discharge of flue gas, villages and small towns house refuse high-efficiency cleaning minimizing synthesis Processing method is cheated by setting garbage storing, can carry out solid-liquid classification to rubbish, by handling various forms of rubbish, Treatment effeciency is higher, and water and sludge can be recycled during treated, by the way that crusher is arranged, can carry out to solid refuse It is effectively broken, avoid garbage bulk is excessive from leading subsequent bad processing, it, can be to the life by the way that biomass pyrogenation gasification furnace is arranged Rubbish is pyrolyzed, and the gas generated after pyrolysis contains the imflammable gas such as CO, H2, CH4, to facilitate later process to use, and Waste after pyrolysis can be used as organic base manure and can be used as brickmaking filler, can make house refuse by the way that the device is arranged Waste is comprehensively utilized after processing, will not generate secondary pollution to environment, is a kind of processing method of high-efficiency cleaning.

Claims (8)

1. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method, it is characterised in that: the villages and small towns house refuse Steps are as follows for high-efficiency cleaning minimizing integrated treatment:
S1, through collected come house refuse it is of short duration be stored in garbage storing hole, store certain time, carry out fermentation process, storage hole in Landfill leachate is promoted to device for treating leachate through sewage pump and is handled;
S2, landfill leachate generate after processing in water and sludge, water supplements new water source as water in proportion during treated Spray system uses;
House refuse is transported to magnetic plant through grab claw in S3, storage hole;
S4, rubbish enters in crusher and is crushed after magnetic separation;
S5, broken rear rubbish enter cylinder round sifter and sieve to rubbish, screen out fertile soil and individually store, most of rubbish Enter garbage pusher machine entrance for oversize;
S6, broken rubbish are delivered to biomass pyrogenation gasification furnace through pusher, are pyrolyzed, rubbish is through pyrolysis gas of biomass After changing furnace pyrolysis, pyrolysis residue and pyrolysis gas are generated;
S7, pyrolysis residue are mixed with percolate sludge and fertile soil after screening carries out the organic base manure of fermentation generation, and on sieving Object can be used as brickmaking filler;
S8, the pyrolysis gas enter water spray after the pyrolysis of biomass pyrogenation gasification furnace and spray to it, and the water after spray enters Processing equipment is handled;
S9, the pyrolysis gas after spraying enter cyclone system and are dusted work;
Pyrolysis gas after S10, dedusting enters gas fired-boiler and burns;
Exhaust gas after S11, gas fired-boiler burning enters multi-step dust collector and is dusted depickling;
S12, flue gas enter plasma catalytic oxidation unit after Multi-stage dust removing device;
S13, flue gas are after plasma catalytic is handled, into efficient absorption device, the final qualified discharge of flue gas.
2. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 1, feature exist In: the magnetic plant in the step S3 is belt magnetic separator, and one end is permanent magnet transmission shaft.
3. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 1, feature exist In: the crusher in the step S4 is shear crusher, impact breaker, scraper type crusher or swing hammer crusher Any one of.
4. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 3, feature exist In: the preferred shear crusher of crusher, and preferably Double-shaft shearing crusher.
5. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 1, feature exist In: rotary screen discharging partial size≤5mm of cylinder round sifter, preferably rotary screen discharging partial size≤3mm in the step S5.
6. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 1, feature exist In: pusher carries out feeding, 3~5m of feeder length by the way of hydraulic push in the step S5.
7. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 1, feature exist In: multi-step dust collector is one in ceramic whirlwind multi-tube dusting, pulsed jet cloth filter, electric precipitator in the step S11 Kind perhaps two kinds of series connection and deacidification agent selection CaO, Ca (OH) 2, one of or two kinds of dry powder or aqueous solution.
8. a kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method according to claim 1, feature exist In: adsorbent used in efficient absorption device selects activated carbon adsorption in the step S13, specific that multistage active carbon is selected to inhale Attached net or cellular activated carbon adsorption.
CN201910533814.4A 2019-06-19 2019-06-19 A kind of villages and small towns house refuse high-efficiency cleaning minimizing integrated conduct method Pending CN110180869A (en)

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Application publication date: 20190830