CN110523741A - A kind of domestic refuse and its landfill yard dystopy sub-prime resource utilization method - Google Patents
A kind of domestic refuse and its landfill yard dystopy sub-prime resource utilization method Download PDFInfo
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- CN110523741A CN110523741A CN201910681118.8A CN201910681118A CN110523741A CN 110523741 A CN110523741 A CN 110523741A CN 201910681118 A CN201910681118 A CN 201910681118A CN 110523741 A CN110523741 A CN 110523741A
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- low nitrogen
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- 238000000034 method Methods 0.000 title claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 36
- 239000002689 soil Substances 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 25
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 25
- 238000003795 desorption Methods 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 230000010354 integration Effects 0.000 claims abstract description 17
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003546 flue gas Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000005416 organic matter Substances 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 238000004523 catalytic cracking Methods 0.000 claims abstract description 7
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 238000007885 magnetic separation Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000006555 catalytic reaction Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 12
- 239000003517 fume Substances 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000004065 wastewater treatment Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 230000008439 repair process Effects 0.000 claims description 7
- 239000002585 base Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000010612 desalination reaction Methods 0.000 claims description 6
- 239000004449 solid propellant Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 239000003673 groundwater Substances 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 claims description 3
- 150000007530 organic bases Chemical class 0.000 claims description 3
- 230000001706 oxygenating effect Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000010791 domestic waste Substances 0.000 claims description 2
- 239000000446 fuel Substances 0.000 claims description 2
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- 241000416536 Euproctis pseudoconspersa Species 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 239000010812 mixed waste Substances 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 5
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- 238000003860 storage Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides domestic refuse sub-prime resource utilization method, waste is sorted, wind-force blows choosing, plastics are filtered out in light materials is sent into catalytic cracking system, heavier substances enter after metal magnetic separation isolates metal device, into gas-controlled type incineration system, gas-controlled type incineration system generates lime-ash, lime-ash discharge up to standard；The Wastewater Concentrated of generation, the flue gas and heat of generation can give the auxiliary heating of other equipment, the present invention also mentions the domestic refuse for accumulating or increasing newly in domestic refuse landfill yard, and the soil integrated conduct method in landfill yard by organic matter and heavy metal pollution, realize that the minimizing of landfill yard is innoxious, the present invention also provides a kind of premixing drying systems, the integration apparatus of thermal desorption system and low nitrogen catalytic combustion system, as the special equipment in preceding method.The present invention carries out innoxious, recycling, minimizing to corruption rubbish difficult in domestic refuse and organic substance.
Description
Technical field
The present invention relates to field of environment engineering, and in particular to a kind of domestic refuse and its landfill yard dystopy sub-prime recycling
A kind of integration apparatus is arrived using using in method and this method.
Background technique
Domestic refuse includes household garbage, unit house refuse, road-cleaning rubbish, public place rubbish, quotient
The wastes such as industry stand rubbish, country fair rubbish, food garbage, building waste.Currently, sanitary landfills is the existing processing in China
The major way of domestic refuse accounts about the 80% of processing total amount.But due to being limited and technology by the level of economic development
It restricts, many big and medium-sized cities initial stage landfill yards are not designed by the standard of sanitary filling field, and the later period does not also take effective anti-
Especially there is more apparent environmental problem in landfill yard runs and closes, easily to rainwash and underground water in shield measure
The pollution in wide area for being difficult to repair is caused, more seriously the harmful elements such as loading embeading percolation liquid and heavy metal are by complicated object
Physicochemical reacts the serious destruction for causing soil environment, such as soil hardening, heavy metal pollution, difficult decomposing organic matter pollution.
Meanwhile the storage capacity of every landfill yard is limited, and the addressing for creating landfill yard in recent years has become more next
It is more difficult；For this purpose, all kinds of scholars develop a variety of household-garbage processing process and equipment, including how fast conventional garbage landfill yard is
The method of fast environment remediation；As Chinese 1785536 B of Authorization Notice No. CN discloses the " in situ environment of household refuse landfill sites
Restorative procedure ", it is related to a kind of method for accelerating the domestic refuse stabilization after Closure of landfill site.There are problems: cannot will be difficult rotten
Organic waste, such as plastics, clothing, the thorough decrement treatment of sole carry out, it is slow to some putrescibility organic matter degradation rates, it cannot
Effectively solves the problems, such as refuse landfill volume reduction and there are problems that secondary pollution.
107876539 A of China Patent No. CN " the aerobic Ecosystem restoration system of refuse landfill and method ", discloses one kind
The system of the aerobic restoration of the ecosystem of refuse landfill, comprising: gas injection subsystem injects air, oxygen or its mixing into junk-heap body
Object；Pumping subsystem, which extracts the intracorporal landfill gas of rubbish heap and is sent into landfill gas combustion subsystem, to burn；Percolate is taken out
Liquid subsystem of regulating and storing is collected and stores the intracorporal landfill leachate of rubbish heap；Percolate irrigates subsystem and extracts landfill leachate simultaneously
It re-injects to junk-heap body；The operating condition of Monitor And Control Subsystem real-time monitoring system.There are problems: cannot be by difficult rotten rubbish
Rubbish, such as plastics, clothing, the thorough decrement treatment of sole carry out only use aerobic means, enhance the rotten type of refuse landfill
The degradation rate of organic matter, however it remains long processing period not can effectively solve refuse landfill volume reduction problem and there are secondary
Pollution problem.
207057253 U of China Patent No. CN " the in situ environment repair systems of unstable household refuse landfill sites ", is related to
A kind of in situ environment repair system of unstable household refuse landfill sites, including ventilation unit, pollutant vacuum extraction unit, infiltration
Filtrate extraction unit and nutrient solution injection unit.There are problems: still falling within household refuse landfill sites aerobic stabilizationization and repairs model
Farmland, cannot be by difficult rotten rubbish, such as plastics, clothing, the thorough decrement treatment of sole carry out.
As landfill yard storage capacity is more filling out in site selection of landfill difficulty situation less, newly, this invention address that providing one
Kind of domestic refuse and its landfill yard dystopy sub-prime resource utilization method, not only can be to difficult rotten rubbish such as: plastics, clothing,
The thorough harmless treatment of the carry out such as sole can also realize recycling benefit to the perishable organic matter of existing domestic refuse sanitary filling field
Purpose, and expansible be applied on non-standard domestic refuse landfill yard ecological environment repairing and treating.
Summary of the invention
The present invention provides a kind of domestic refuse and its landfill yard dystopy sub-prime resource for the technical problem more than overcoming
Change and uses using in method and this method to a kind of integration apparatus.
A kind of so-called domestic refuse sub-prime resource utilization method of the present invention, scheme comprise the steps of:
(1) domestic refuse sorts, and after rejecting bulk object, the building of bulk is used as bed course substrate, then will life
Stirring, desiccation, embrittlement in waste investment premixing drying system, form loose condition (of surface)；
(2) wind-force blows choosing, and the domestic refuse of the loose condition (of surface) in step (1) is divided into light materials and heavier substances,
Wherein filtered out in light materials plastics be sent into catalytic cracking system, generate organic gas and charing solid fuel, heavier substances into
Enter after metal magnetic separation isolates metal device, into gas-controlled type incineration system, gas-controlled type incineration system generates lime-ash, ash up to standard
Slag discharge；
(3) organic gas of step (2) is sent into low nitrogen catalytic combustion system after acid-alkali washing and is decomposed, low nitrogen catalysis burning system
The heat radiation and hot fume auxiliary supply premixing drying system use that system generates, carbonize point in solid fuel and step (2)
Be sent into the processing of gas-controlled type incineration system together from heavy substance after metal device, heat radiation that the gas-controlled type incineration system generates and
Hot fume auxiliary supplies low nitrogen catalysis burning and uses；
(4) the evaporation vapour that premixing drying system generates after multi-stage condensing, be sent into gas-controlled type by exhausting and burn system by foul smell
System makees oxygenating air and destroys wherein organic principle by fire, is handled；Waste water is sent into waste water treatment system；Waste water treatment system generates
Haline water, be atomized and spray into water desalination system with high salt, carried out direct evaporative crystallization by low nitrogen catalysis burner exhaust heat flue gas, passed through
Slag salt after gravitational settling and dedusting are collected is packaged preservation.
Preferably, the domestic refuse in the percolate of aforementioned domestic refuse and step (1) after sorting is put into advance together
Mixed drying system.
Preferably, the organic dust in abovementioned steps (2) in light materials can make organic base manure or be sent into as supplement fuel
Gas-controlled type incineration system.
Preferably, Polluted Groundwater can be added in the waste water that multi-stage condensing generates in abovementioned steps (4) to be fed together
Waste water treatment system.
The present invention also provides a kind of domestic refuse landfill yard dystopy sub-prime resource utilization method, technical solution it is interior
Hold are as follows: using one of any domestic refuse sub-prime resource utilization method above-mentioned, handle the domestic waste excavated
The domestic refuse that the domestic refuse or/and newly-increased receipts accumulated in object landfill yard ships, and in domestic refuse landfill yard
Following method integrated treatment is used by organic matter and the soil of heavy metal pollution:
(1) organic polluted soil of domestic refuse landfill yard is excavated, investment thermal desorption system processing, is to repair after processing
Compound lattice soil, the thermal desorption system can be provided heat radiation and hot fume auxiliary heating by low nitrogen catalytic combustion system, generation
Waste heat flue gas is admitted to water desalination system auxiliary heating with high salt and uses；
(2) heavy metal polluted soil of lime-ash and excavation domestic refuse landfill yard that the gas-controlled type incineration system described in generates
Earth mixing, and the fixed heavy metal therein of curing agent is added, it can be used as the use of landfill yard bed course base soil；
(3) the qualified soil of reparation can be backfilled to landfill yard and use as base soil or overburden soil.
In addition, the present invention also provides the one of a kind of premixing drying system, thermal desorption system and low nitrogen catalytic combustion system
Body equipment, technical solution are as follows: described in the method for the dystopy sub-prime resource utilization of domestic refuse and its landfill yard
Premixing drying system, thermal desorption system and low nitrogen catalytic combustion system be integration apparatus, the integration apparatus packet
Feeding port and cylinder are included, cylinder has one with the blending bin that axis is mixed, which stirs in feed end rubbish feeding port position
It mixes axis to be driven by explosion-proof variable frequency motor or hydraulic motor, waste is pre-mixed, while the heat of lower part is in blending bin
The preliminary heat drying of waste, there is evaporation vapor outlet on the head of cylinder, and there is garbage emission mouth in tail portion；The inside of cylinder interspersed one
The shaftless flood dragon of root drives rotation by explosion-proof variable frequency motor or hydraulic motor, it is from the beginning mobile to tail to promote waste, and further mix
Heat waste is closed, when temperature reaches thermal desorption requirement, thermal desorption reaction occurs；Part barrel wrap refractory material, should
The bottom of part cylinder has several low nitrogen catalytic burners to carry out igniting radiant combustion heat supply, the extreme higher position of the part cylinder
Low nitrogen catalysis burning occurs when temperature reaches the requirement of low nitrogen catalysis burning equipped with flue gas emission mouth；Waste is in the one
Change and premixing low temperature drying, medium temperature thermal desorption, the continuous treatment process of high-temperature catalytic cracking occur in equipment.
Preferably, integration apparatus above-mentioned, there are also heat radiation hot fume introducing ports for low nitrogen catalytic burner bottom.
The utility model has the advantages that
(1) 100% harmlessness disposing is carried out to corruption rubbish difficult in domestic refuse and organic substance.
(2) 90% sorting Resource recoveryization is carried out to organic biomass perishable in domestic refuse to utilize.
(2) effective 98% or more salt rejection rate is accomplished to landfill leachate, water outlet reaches " surface water environment after simply and easy treat
Quality standard " it is more than (GB3838-2002) V class standard.
(3) efficiently collaboration ecological environment reparation can be realized to polluted soil and underground water.
(4) newly generated domestic refuse can effectively be disposed, it can also be further useless to the life for having landfill
Gurry landfill yard carries out dystopy sub-prime resource utilization, extends the landfill time limit, plays the purpose killed two birds with one stone.
Detailed description of the invention
The flow chart of domestic refuse and its landfill yard dystopy sub-prime resource utilization method Fig. 1 of the invention
The integration apparatus of premixing drying system, thermal desorption system and low nitrogen catalytic combustion system Fig. 2 of the invention
Structural schematic diagram
The material balance figure of method Fig. 3 of the invention
Wherein, 1 is feeding port, and 2 be cylinder, and 3 be agitating shaft, and 4 be blending bin, and 5 (5-1,5-2) are motor or hydraulic horse
It reaches, 6 be evaporation vapor outlet, and 7 be garbage emission mouth, and 8 be shaftless flood dragon, and 9 be refractory material, and 10 be low nitrogen catalytic burner, 11
It is flue gas emission mouth,
Specific embodiment
Embodiment 1
As shown in Figure 1, domestic refuse and its landfill yard dystopy sub-prime resource utilization process flow figure, entirely handle work
Skill object is four most of: domestic refuse, contaminated soil, Polluted Groundwater and percolate；Contaminated soil is again according to pollution
Ingredient is divided into organic polluted soil, heavy-metal contaminated soil.
(1) after domestic refuse sorts out bulk object by loading machine or grab bucket, it is packed into the charging of premixing drying cylinder
Bucket；Under the conditions of the radiation of low nitrogen catalytic combustion heat, hot fume indirect heating, domestic refuse is constantly stirred, desiccation, embrittlement,
Last more open, dry domestic refuse carries out wind-force and blows choosing.
(2) wind-force, which blows choosing, can be divided into domestic refuse light materials and heavier substances, and wherein plastics are sent in light materials
Enter catalytic cracking system, and organic dust can make organic base manure also and can be used as supplement fuel feeding gas-controlled type incineration system；And
Heavier substances successively enter after metal magnetic separation isolates metal device, into gas-controlled type incineration system.
(3) catalytic cracking system generates organic gas and charing solid fuel, and organic gas is sent into low nitrogen after acid-alkali washing and is urged
Change combustion system, and carbonizes solid fuel and be sent into gas-controlled type incineration system.
(4) the evaporation vapour that premixing drying system generates is sent into gas-controlled type incineration system by exhausting and is made after multi-stage condensing
Oxygenating air simultaneously destroys wherein organic principle by fire, and the harmless slugging generated can be solidified with heavy-metal contaminated soil, be stabilized,
It can be used as landfill yard bed course base soil.
(5) waste water that multi-stage condensing generates, is fed together waste water treatment system with Polluted Groundwater；Waste water treatment system
The haline water of generation is atomized and sprays into water desalination system with high salt, is carried out direct evaporative crystallization by low nitrogen catalysis burner exhaust heat flue gas,
Slag salt is packaged preservation after the flue gas of carrying partially crystallizable salt is collected using dedusting.
(6) organic polluted soil enters thermal desorption system, which can provide heat by low nitrogen catalytic combustion system
Radiation, hot fume, the waste heat flue gas of generation are also fed to water desalination system with high salt.
(7) the qualified soil of reparation can be backfilled to landfill yard and use as base soil or overburden soil.
Embodiment 2
Refering to fig. 1 and Fig. 3, the implementation steps flow chart of landfill yard dystopy sub-prime resource utilization method, the project of being connected to are wanted
When starting, usually implemented by following steps:
Step 1: domestic refuse landfill yard site investigation is analyzed
The purpose of domestic refuse landfill yard site investigation analysis is the pollution situation of prospecting and acquirement landfill yard place,
Domestic refuse stockpiling situation, amount of cure and surrounding soil and the contaminated situation of underground water are understood, to administer formulation work respectively
Skill route.
Step 2: building closed reparation greenhouse
In domestic refuse landfill yard repair process, inevitably has peculiar smell and dust overflows；Therefore, all treatment facilities
And equipment, including store up domestic refuse and operated in closed reparation greenhouse.Closed reparation greenhouse is mating independent useless
Gas processing system moves or fixed.
Step 3: sled block and mobile device installation, operation
After the completion of closed reparation greenhouse is built, facility described in Fig. 1, equipment can enter installation in this stage,
Debugging is carried out after installation to bring into operation.Described here mainly premixing drying system, thermal desorption system are urged with low nitrogen
Change combustion system and sewage treatment equipment, multi-stage condensing equipment, wind-force blow optional equipment and metallic magnetic screening installation etc., these set
The standby single devices that can be realized by single devices, and can be realized the function are that those skilled in the art hold in well-known technique
It easily directly chooses, and the technological parameter of the operation of single devices and effect assessment are also to be easily mastered.
Each system, each equipment are docked according to process shown in FIG. 1, and according to process described in embodiment 1 to newly generated
Transport carry out domestic refuse and excavate the accumulation of landfill place domestic refuse and organic matter or the soil of heavy metal pollution into
Row processing.Realize landfill field waste minimizing operation.
It completes, check and accept step 4: repairing
After all contaminants are disposed, test and analyze to the material completed is repaired, carry out an acceptance inspection after qualified.
Step 5: greenhouse is removed, equipment is withdrawn from the arena
After acceptance(check), greenhouse is removed, all devices are withdrawn from the arena.
Embodiment 3
As different from Example 2, the premixing drying system, thermal desorption system and low nitrogen catalytic combustion system with
And the equipment that sewage treatment equipment is not single, integration apparatus, other equipment appoint the equipment for so choosing simple function.
In the method for the dystopy sub-prime resource utilization of domestic refuse and its landfill yard, the dry system of the premixing
System, thermal desorption system and low nitrogen catalytic combustion system are integration apparatus, and the integration apparatus includes feeding port 1 and cylinder
2, cylinder 2 has one with the blending bin 4 that axis 3 is mixed, the mixing axis 3 is by preventing in feed end rubbish feeding port position
Quick-fried variable-frequency motor or hydraulic motor drive 5-1, are pre-mixed to waste, while the heat of lower part is to useless in blending bin 4
There is evaporation vapor outlet 6 on the preliminary heat drying of gurry, the head of cylinder 2, and there is garbage emission mouth 7 in tail portion；The inside of cylinder 2 interspersed one
The shaftless flood dragon 8 of root drives rotation by explosion-proof variable frequency motor or hydraulic motor 5-2, promotes waste from the beginning mobile to tail, goes forward side by side one
Hybrid Heating waste is walked, when temperature reaches thermal desorption requirement, thermal desorption reaction occurs；Part barrel wrap refractory material
9, the bottom of the part cylinder has several low nitrogen catalytic burners 10 to carry out igniting radiant combustion heat supply, and the part cylinder is most
A high position has installed flue gas emission mouth 11, and when temperature reaches the requirement of low nitrogen catalysis burning, low nitrogen catalysis burning occurs.
Due to the layout of equipment, will necessarily from first to last there are different temperature, and this by waste since blending bin
A temperature gradually rises with propulsion, and generation premixing low temperature drying, medium temperature thermal desorption, high temperature are urged in the integration apparatus
Change and cracks continuous treatment process.If only needing thermal desorption not need high-temperature catalytic cracking certain single components certainly
Organic contamination soil or rubbish from cooking etc. only need the rubbish of low temperature drying, it is only necessary to flexible setting maximum temperature, it can be real
Now a variety of applications of the integration apparatus.
There are also heat radiation hot fume introducing ports for low nitrogen catalytic burner bottom.For importing the extra heat radiation of other equipment
It assists heating with hot fume.
Embodiment 4
By taking the domestic refuse dystopy sub-prime resource utilization of the simple domestic refuse landfill yard in certain county town as an example, through toning
Domestic refuse landfill yard component and the index average value table for looking into sampling are as follows:
Certain county town domestic refuse landfill yard dystopy sub-prime recycling benefit material feelings is handled according to the method described in the present invention
The day processing domestic refuse of condition, the set system is 200t/d, and the material processing capacity of each process is as shown in Figure, and final real
Existing 100% harmless treatment, and achieve the effect of dystopy sub-prime recycling treatment and landfill yard minimizing.
Claims (7)
1. a kind of domestic refuse sub-prime resource utilization method, which comprises the following steps:
(1) domestic refuse sorts, and after rejecting bulk object, the building of bulk is used as bed course substrate, then by domestic waste
Stirring, desiccation, embrittlement in object investment premixing drying system, form loose condition (of surface)；
(2) wind-force blows choosing, and the domestic refuse of the loose condition (of surface) in step (1) is divided into light materials and heavier substances, wherein
Plastics are filtered out in light materials and are sent into catalytic cracking system, generate organic gas and charing solid fuel, and heavier substances enter gold
After category magnetic separation isolates metal device, into gas-controlled type incineration system, gas-controlled type incineration system generates lime-ash, lime-ash row up to standard
Out；
(3) organic gas of step (2) is sent into low nitrogen catalytic combustion system after acid-alkali washing and is decomposed, and low nitrogen catalytic combustion system produces
Raw heat radiation and hot fume auxiliary supply premixing drying system use, and carbonize the separation gold in solid fuel and step (2)
Heavy substance is sent into the processing of gas-controlled type incineration system together after belonging to device, the heat radiation and hot cigarette that the gas-controlled type incineration system generates
Gas auxiliary supplies low nitrogen catalysis burning and uses；
(4) the evaporation vapour that premixing drying system generates after multi-stage condensing, be sent into gas-controlled type incineration system by exhausting and make by foul smell
Oxygenating air simultaneously destroys wherein organic principle by fire, is handled；Waste water is sent into waste water treatment system；The height that waste water treatment system generates
Salt water is atomized and sprays into water desalination system with high salt, is carried out direct evaporative crystallization by low nitrogen catalysis burner exhaust heat flue gas, passes through gravity
Slag salt after sedimentation and dedusting are collected is packaged preservation.
2. domestic refuse sub-prime resource utilization method according to claim 1, which is characterized in that domestic refuse
Domestic refuse in percolate and step (1) after sorting puts into premixing drying system together.
3. domestic refuse sub-prime resource utilization method according to claim 1, which is characterized in that light in step (2)
Organic dust in substance can make organic base manure or be sent into gas-controlled type incineration system as supplement fuel.
4. domestic refuse sub-prime resource utilization method according to claim 1, which is characterized in that more in step (4)
Polluted Groundwater, which can be added, in the waste water that grade condensation generates is fed together waste water treatment system.
5. a kind of domestic refuse landfill yard dystopy sub-prime resource utilization method, which is characterized in that use Claims 1-4 4
One of any domestic refuse sub-prime resource utilization method is handled and is accumulated in the domestic refuse landfill yard excavated
The domestic refuse that domestic refuse or/and newly-increased receipts ship, and by organic matter and a huge sum of money in domestic refuse landfill yard
Belong to contaminated soil and use following method integrated treatment:
(1) organic polluted soil of domestic refuse landfill yard is excavated, investment thermal desorption system processing is to repair to close after processing
Lattice soil, the thermal desorption system can be provided heat radiation and hot fume auxiliary heating, the waste heat of generation by low nitrogen catalytic combustion system
Flue gas is admitted to water desalination system auxiliary heating with high salt and uses；
(2) heavy-metal contaminated soil of lime-ash and excavation domestic refuse landfill yard that the gas-controlled type incineration system described in generates is mixed
It closes, and adds the fixed heavy metal therein of curing agent, can be used as the use of landfill yard bed course base soil；
(3) the qualified soil of reparation can be backfilled to landfill yard and use as base soil or overburden soil.
6. the integration apparatus of a kind of premixing drying system, thermal desorption system and low nitrogen catalytic combustion system, which is characterized in that
In the method for the dystopy sub-prime resource utilization of domestic refuse and its landfill yard, the premixing drying system, heat are de-
Attached system and low nitrogen catalytic combustion system are integration apparatus, and the integration apparatus includes feeding port and cylinder, and cylinder exists
Feed end rubbish feeding port position, have one with the blending bin that axis is mixed, the mixing axis by explosion-proof variable frequency motor or
Hydraulic motor driving, is pre-mixed waste, while the heat of lower part is to the preliminary heat drying of waste in blending bin,
There is evaporation vapor outlet on the head of cylinder, and there is garbage emission mouth in tail portion；A shaftless flood dragon is interted in the inside of cylinder, by flame-proof converter
Motor or hydraulic motor drive rotation, promote waste from the beginning mobile to tail, and further Hybrid Heating waste, when temperature reaches
When requiring to thermal desorption, thermal desorption reaction occurs；Part barrel wrap refractory material, the bottom of the part cylinder have several
Low nitrogen catalytic burner carries out igniting radiant combustion heat supply, and the extreme higher position of the part cylinder is equipped with flue gas emission mouth, works as temperature
When reaching the requirement of low nitrogen catalysis burning, low nitrogen catalysis burning occurs；It is low that premixing occurs in the integration apparatus for waste
Warm drying, medium temperature thermal desorption, high-temperature catalytic crack continuous treatment process.
7. integration apparatus according to claim 6, there are also heat radiation hot fume introducing ports for low nitrogen catalytic burner bottom.
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