CN107120657A - Solid waste incineration system and its technique - Google Patents
Solid waste incineration system and its technique Download PDFInfo
- Publication number
- CN107120657A CN107120657A CN201710437085.3A CN201710437085A CN107120657A CN 107120657 A CN107120657 A CN 107120657A CN 201710437085 A CN201710437085 A CN 201710437085A CN 107120657 A CN107120657 A CN 107120657A
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- China
- Prior art keywords
- tower
- chilling
- gas
- solid waste
- alkali lye
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 239000002910 solid waste Substances 0.000 title claims abstract description 20
- 238000004056 waste incineration Methods 0.000 title claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000003513 alkali Substances 0.000 claims abstract description 40
- 238000005201 scrubbing Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 25
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 21
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 21
- 239000004571 lime Substances 0.000 claims abstract description 21
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000000197 pyrolysis Methods 0.000 claims abstract description 13
- 239000003546 flue gas Substances 0.000 claims description 58
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 57
- 230000009977 dual effect Effects 0.000 claims description 31
- 238000010304 firing Methods 0.000 claims description 31
- 239000002253 acid Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 5
- 238000010612 desalination reaction Methods 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 15
- 239000002920 hazardous waste Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 230000035611 feeding Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 150000002013 dioxins Chemical class 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 241000192700 Cyanobacteria Species 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 231100000749 chronicity Toxicity 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009309 intensive farming Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- 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
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/304—Burning pyrosolids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/50001—Combination of two or more furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of solid waste incineration system and technique, including the discarded object feed arrangement being sequentially connected, destructive distillation shove charge, two combustion, waste heat boiler, chilling tower, neutralizing tower, bag-type dust collector, scrubbing tower and chimney, the gas retort, waste heat boiler are respectively connected with demineralized water treatment device, the scrubbing tower connection alkali lye pond, the neutralizing tower is connected with lime stock tank.The present invention is combined using semidry method depickling and wet method depickling, on the one hand be can guarantee that the nitrogen phosphorus zero-emission after vent gas treatment, is on the other hand avoided a large amount of generations of salinity in chilling tower, extend its cleaning cycle.
Description
Technical field
The present invention relates to fixed-end forces technical field, more particularly to solid waste smoke processing system.
Background technology
With social economy develop rapidly and people's level of consumption raising, the Industrial Solid produced in enterprise production process
Useless amount is growing day by day.The pollution of industrial solid wastes, particularly hazardous waste to ecological environment has seriousness, chronicity, dived
In the characteristic such as property and irreversible, refractory reason.As it is improper conduct oneself well put will be left to people's health, environment and economic development greatly it is hidden
Suffer from.
Many areas have been built or tungsten-copper alloy scrap under preparation disposal center at present for China, including to hazardous waste
Comprehensively utilized, burned, materialization, stabilisation/solidification, the processing such as security landfill, and have accumulated certain design, operation management
Experience, wherein burning disposal mode have irreplaceable advantage at minimizing, innoxious aspect.
The safe disposal of enterprise's Industrial Solid Waste can not only be solved the problems, such as by building hazardous waste centralized burning handling project, and
And be conducive to improving region entirety environmental quality, be conducive to employing new technology, improve harmless treatment effect, be conducive to
Scale intensive farming, is conducive to building the ecological environment of sustainable development, improves the investment environment of Changzhou and surrounding area,
Improve synthesized competitiveness.
Therefore, either from the policy general plan in state policies and principles and place, or from environmental protection safety, people's health
And from the point of view of promotion local economy scientific development, a hazardous waste centralized burning handling project is set up, make dangerous useless
Thing can obtain harmlessness disposing in time, be very necessary and urgent.
In hazardous waste centralized burning disposal process, the waste gas of generation is main by tail gas from incinerator and disordered exhaust gas group
Into.
The discharge of incinerator system waste gas is mainly the flue gas produced after incineration of waste, and incineration flue gas pollutant emission has not
Stable, lack of uniformity, pollutant mainly has acidic components (SO depending on incinerating waste material and burning condition2、NOx、HCl、HF、
CO), flue dust, volatile heavy metal , dioxins materials etc..
At present, the smoke processing system of use includes the chilling tower being sequentially connected, neutralizing tower, bag-type dust collector, washing
Tower and chimney, chilling tower are connected with waste heat boiler, and neutralizing tower is connected with slaked lime powder injection apparatus, and scrubbing tower connects with alkali lye pond
Connect.Above-mentioned smoke processing system uses the depickling mode that dry-process deacidification+wet method depickling is combined, and dry-process deacidification will pass through
Slaked lime powder is sprayed into neutralizing tower and carries out first time depickling by compressed gas, and alkali lye is passed through in scrubbing tower by wet method depickling by pump
Carry out secondary depickling.However, after dry-process deacidification and wet method depickling, the nitrogen phosphorus in flue gas still can not be absolutely removed,
After the nitrogen phosphorus of residual is discharged into water, after being such as discharged into Taihu Lake, the growth of blue-green algae is readily facilitated, it is therefore desirable to thoroughly go to denitrogenate phosphorus,
Realize nitrogen phosphorus zero-emission.Further, since dry-process deacidification can only remove 30% or so acid, remaining most of acid is in wet method depickling
During complete, therefore, acid solution can produce substantial amounts of salt after being hardened in scrubbing tower with alkali lye, such as not in time discharge salt, salt
Remaining after crystallization adds alkali lye to be handled again in scrubbing tower, it is necessary to periodically add water, and intractability is larger, and needs dock
Reason, cost is very high.
The content of the invention
The applicant is directed to the disadvantages mentioned above of prior art, is studied and improved that there is provided a kind of solid waste incineration
System, realizes nitrogen phosphorus zero-emission, and substantially reduce cost.
In order to solve the above problems, the present invention uses following scheme：
A kind of solid waste incineration system, including be sequentially connected discarded object feed arrangement, destructive distillation shove charge, two combustion,
Waste heat boiler, chilling tower, neutralizing tower, bag-type dust collector, scrubbing tower and chimney, the gas retort, waste heat boiler are respectively connected with
Demineralized water treatment device, the scrubbing tower connection alkali lye pond, the neutralizing tower is connected with lime stock tank.
It is used as the further improvement of above-mentioned technical proposal：
The scrubbing tower is connected by pipeline with the chilling tower.
The chilling tower includes independent two sets be connected with the waste heat boiler, neutralizing tower and scrubbing tower, two sets of chilling towers
Between changeable work to realize the using and the reserved.
The destructive distillation device includes many sets, and many set destructive distillation devices are connected with two combustion.
The present invention also provides a kind of handling process of solid waste incineration, and the handling process includes semidry method depickling
Journey and wet method deacidification, the semidry method deacidification include the lime white in the lime stock tank importing the neutralizing tower
In course of reaction with acid gas in flue gas, the wet method depickling include and by the alkali lye in alkali lye pond be passed through in scrubbing tower with
The course of reaction of remaining sour gas；The alkali lye and the salt of generation remained in scrubbing tower after wet method depickling is directed into urgency
In cold tower, when wherein a set of chilling tower needs desalination, another set of chilling tower work is switched to.
The technical effects of the invention are that：
The present invention is combined using semidry method depickling and wet method depickling, on the one hand can guarantee that the nitrogen phosphorus zero-emission after vent gas treatment
Put, on the other hand avoid a large amount of generations of salinity in chilling tower, extend its cleaning cycle；And realize one using two sets of chilling towers
It is standby with one, realize continuous, the stable operation of processing equipment, reduction cost of disposal, raising disposal efficiency.It is used to handle in the present invention
The device and method of tail gas, are the particular designs carried out for the actual conditions of domestic waste discharge, be in the whole world it is pioneering, can
To obtain the extraordinary treatment effect of part, hazardous waste is efficiently centrally disposed, is conducive to the environmental protection equipment using high standard, reaches
To the Target of Pollution Control of high standard.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is process chart of the invention.
In figure：1st, gas retort；2nd, demineralized water treatment device；3rd, dual firing chamber；4th, waste heat boiler；5th, chilling tower；6th, neutralizing tower；7th, cloth bag
Dust arrester；8th, scrubbing tower；9th, chimney；10th, alkali lye pond；11st, lime stock tank；12nd, absorbent charcoal adsorber；13rd, gurry is fed
Device.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1：As shown in figure 1, the solid waste incineration system of the present embodiment, including the discarded object being sequentially connected enter
Expect device 13, destructive distillation shove charge 1, dual firing chamber 3, waste heat boiler 4, chilling tower 5, neutralizing tower 6, bag-type dust collector 7, scrubbing tower 8 and
Chimney 9, gas retort 1, waste heat boiler 4 are respectively connected with demineralized water treatment device 2, the connection alkali lye of scrubbing tower 8 pond 10, neutralizing tower 6 and lime white
Pond 11 is connected.The present invention also provides the handling process of solid waste smoke processing system, including semidry method deacidification and wet
Method deacidification, semidry method deacidification include by the lime white in lime stock tank 11 import in neutralizing tower 6 with it is acid in flue gas
The course of reaction of gas, wet method depickling includes and is passed through the alkali lye in alkali lye pond 10 in scrubbing tower and acid gas in flue gas
Course of reaction.Semidry method depickling removes acid using lime white, is deacidified compared to original dry-process deacidification by pulverized limestone, removes big portion
Divide sour gas, reduce the content of sour gas in subsequent wet depickling, so as to reduce the salt content produced in scrubbing tower 8, prolong
The cleaning frequency of long scrubbing tower 8, improve vent gas treatment efficiency.
Embodiment 2：The present embodiment is improved on the basis of embodiment 1, and scrubbing tower 8 is passed through into pipeline and chilling tower
5 are connected, i.e., alkali lye, salt for remaining scrubbing tower 8 etc. are delivered in chilling tower 5 by conveying equipment.The processing work of the present embodiment
Skill, equally includes semidry method deacidification and wet method deacidification, and semidry method deacidification is included the stone in lime stock tank 11
Mortar imports course of reaction with acid gas in flue gas in neutralizing tower 6, and wet method depickling is included and by the alkali lye in alkali lye pond 10
It is passed through the course of reaction with acid gas in flue gas in scrubbing tower；By conveying equipment by the scrubbing tower 8 after wet method depickling
The alkali lye of middle residual and the salt of generation are directed into chilling tower 5.Due to the alkali lye of residual is directed into chilling tower 5, on the one hand use
In the quenching effect of enhancing chilling tower 5, nitrogen discharge and phosphorus discharge is on the other hand avoided, nitrogen phosphorus zero-emission is realized.
Embodiment 3：The present embodiment is further improved on the basis of embodiment 2, and chilling tower 5 is arranged into two sets, two sets
Chilling tower 5 is independent to be connected with waste heat boiler 4, neutralizing tower 6 and scrubbing tower 8, changeable between two sets of chilling towers 5 to work to realize one
It is standby with one.Due to the residual alkali lye and salt in scrubbing tower 8 are directed into chilling tower 5, the salinity increase in chilling tower 5, in order to
Working effect is not influenceed, it is necessary to carry out periodically removing salt treatment to chilling tower 5, desalination needs shutdown to handle, therefore uses two sets of chillings
Tower 5 is switched over, you can realize continuous work.The handling process of the present embodiment, including semidry method deacidification and wet method depickling
Process, semidry method deacidification include by lime stock tank 11 lime white import neutralizing tower 6 in acid gas in flue gas
Course of reaction, wet method depickling includes and the alkali lye in alkali lye pond 10 is passed through into the reaction in scrubbing tower with acid gas in flue gas
Journey；The salt of the alkali lye remained in scrubbing tower 8 after wet method depickling and generation is directed into by chilling tower 5 by conveying equipment
In, when wherein a set of chilling tower 5 needs to shut down desalination, switch to another set of chilling tower 5 and work.
The equipment and principle of castoff burning are as follows in above-described embodiment 1, embodiment 2 and embodiment 3：
(1) waste feed system
According to waste species, state, discarded object feed arrangement 13 of the invention has following three kinds of forms：
1. drawing-in device：Incinerator is equipped with a set of automatic feeding device, will through crushing pretreated solid waste with
After waste liquid mixing, gas retort leading portion is squeezed into by high-pressure plunger pump.Crushing system band double-sealed door and nitrogen replaceable equipment.
2. feeding is pumped：The liquid dangerous waste that need to be burned, is squeezed into liquid by noncorrosive pump at the nozzle of gas retort out of storage tank
Place, is sprayed into stove with special nozzle and burned.
3. elevator feeding：It is mainly used in after packaging and without broken solid-liquid/semisolid waste material, by manually being put
On Special-purpose lifting machine platform, lifted by Special-purpose lifting machine, send into incinerator (gas retort) charging aperture.Charging aperture is using double
Gate, there is chain control and air seal set.
After three kinds of material-uploading style feedings, the present invention can carry out solid-liquid point and burn and multifuel combustion.
(2) CIU
CIU is made up of two parts：One combustion room (gas retort 1) and dual firing chamber 3.
Hazardous waste is sent into by feeding mechanism and high temperature incineration is carried out in gas retort 1, by 60min (45-75min) left and right
High temperature incineration, material thoroughly burned into high-temperature flue gas and lime-ash, and the rotating speed of gas retort 1 can be adjusted, and is kept about
Stable slag blanket thick 50mm can play protection flame retardant coating and act on, and its operation temperature should be controlled at 850 DEG C or so, high-temperature flue gas from
Stove tail enters dual firing chamber, and incineration residue enters from stove tail and enters ash silo after water seal scraper slagging machine, water cooling, is periodically taken to stabilization
Change/solidification workshop is handled.
The kiln hood of gas retort 1 is protected using refractory material, and flame retardant coating is support by one layer of water cooling support ring, is located at
The bottom section of kiln hood.Set a garbage collector to collect waste material leakage in kiln hood bottom and (leakage is not present in the course of work, only
Periodically exclude a small amount of dust stratification of kiln hood to use, dust stratification floss hole is sealed by slide valve).Destructive distillation furnace body is one and is rolled into by steel plate
One cylinder, local to be strengthened by steel plate, inner lining refractory.There are two belt wheels and a gear ring, driver on body
Structure drives the bull gear on body by little gear, then drives destructive distillation furnace body to rotate by bull gear.Stove tail is that connection is dry
Furnace body and the transition body of dual firing chamber, its main function be ensure stove tail sealing and flue gas and incineration residue it is defeated
Send passage.The stove tail sealing structure of this incinerator does not use traditional fish scale lamellar seal, because stove tail temperature is high, traditional fish
Flake type sealing can be deformed by prolonged radiant baking, easily caused large quantity of air leakage, reduced the temperature of dual firing chamber, increase
Plus auxiliary fuel consumption, this incinerator is using patent sealing structure：(stove tail sets air-cooled compound air-cooled compound end face seal structure
Face seals, it is main to utilize labyrinth effect, use single cooling blower in the junction of gas retort afterbody and dual firing chamber
Air feed, and blow in shell-cooling annulus and cooled down, prevent the radiation-induced gas retort end in dual firing chamber from overheating.The technology
Sealing be to be pressed on air-cooled sealing shroud to realize by sintering graphite block, this sealing device is additionally provided with draw-gear, traction adjustment
Pressing device meeting adjust automatically sealing block, it is ensured that good sealing effectiveness).
To ensure the transmission of material downwards, gas retort must keep certain gradient, this incinerator gradient design load
For 3%；Due to the fluctuation of hazardous waste material, the burning time is different in size, and incinerator needs largely to adjust, and originally burns
It is that 0.1-1.2 turns/min to burn stove design speed.
Fire resisting and insulation material are provided with destructive distillation furnace body, internal layer is the high intensity high-alumina brick that heatproof is more than 1780 DEG C,
Thickness is 250mm；Insulation material is the light heat-insulating material that heatproof is more than 1200 DEG C, and thickness is 50mm.
In kiln hood in addition to feed chute is set, cell burner and slurry waste injector are also set up.
Flue gas subsequently enters dual firing chamber 3, from stove tail enters dual firing chamber, flue gas in the flue gas of gas retort incinerator high temperature incineration
In dual firing chamber's after-flame, the temperature control of dual firing chamber is between 1100-1200 DEG C, in order to avoid radiation and dual firing chamber's shell overheat,
Dual firing chamber is designed to the cylindrical tube being made up of steel plate and refractory material.Theoretical according to burning, the principle that flue gas is fully burned is
3T+1E principles, that is, ensure enough temperature (dangerous waste incinerators：1100 DEG C of ＞), enough residence times, (hazardous waste burnt
Burn stove：＞ 2s at 1100 DEG C), enough disturbances (dual firing chamber's aditus laryngis allowed with Secondary Air or burner combustion air-flow formation swirling flow),
Enough superfluous oxygen, wherein first three effect is completed by dual firing chamber.Secondary Air is set in dual firing chamber bottom and more than two
Fuel burner, it is ensured that dual firing chamber's flue-gas temperature reaches that standard and flue gas have enough disturbances.Do not have on a small quantity in destructive distillation furnace body
There is the gas burnt completely to be fully burned in dual firing chamber, and improve dual firing chamber's temperature, temperature is tieed up all the time in dual firing chamber
Hold more than 1100 DEG C, calculated according to design, flue gas residence time in dual firing chamber will be greater than 2s, on this condition, can be effective
Suppress the synthesis of bioxin and other harmful components in flue gas.
It is made up of in dual firing chamber's steel plate 230mm high-alumina brick and two layers of total thickness for 320mm heat-insulating heat-preserving material,
Dual firing chamber's supporting shell also has the thick rock wool blankets of 30mm in vitro.About 200 DEG C of case temperature of now dual firing chamber's support, is incubated outside wall temperature
About 50 DEG C, housing requirement for anticorrosion (low temperature and the high temperature corrosion area that avoid HCl) was both reached, the work of adiabatic accumulation of energy is served again
With improving furnace temperature, reduce auxiliary fuel consumption.
Below dual firing chamber, mucking machine is placed, the clinker of after-flame is excluded.High-temperature flue gas leaves dual firing chamber and entered by flue
Waste heat boiler is exchanged heat.
(2.1) combustion-supporting system
Incinerator (gas retort 1) open stove, enter stove material calorific value it is low when (be unable to spontaneous combustion) when, using light diesel fuel make auxiliary combustion
Expect (total 25t/a), by detecting oxygen content in dual firing chamber's furnace temperature and exhaust, regulation combustion-supporting gas and auxiliary fuel consumption, make
Incineration of waste is in optimum state.
Incinerator, which starts, uses light diesel fuel, and cold start is 16 hours, and hot starting, hot start is 2-5 hours；The oil consumption of incinerator
Amount depends primarily on the number of starts, the composition of waste, calorific value and the moisture of incinerator.
Under normal production scenarios, it is not required to separately add diesel oil again, only when waste heating value is less than 11700KJ/Kg, and moisture content
During higher than 50%, to ensure the operation of incinerator stabilization, it is combustion-supporting that a combustion room need to add fuel oil, it is ensured that dual firing chamber normally maintains 1100
DEG C temperature, specific addition determines according to waste heating value.Design sets 1 domestic oil tank to be supplied to incinerator in incineration plants
Oil；Oil in domestic oil tank is supplied by the buried tank of gas station.
(2.2) afterheat utilizing system
The flue-gas temperature in the exit of dual firing chamber 3 is more than 1100 DEG C, in order to meet follow-up phase fume treatment to temperature
Requirement, reduce dioxin and synthesize again, condensation of the heavy metal on dust granule is improved, using boiler falling temperature method.From two
1100 DEG C of flue gases that combustion room comes out enter in waste heat boiler is cooled to 500 DEG C by fully being exchanged heat with boiler water, utilizes flue gas heat
Amount produces superheated steam, and steam is used for internal and off-site.A set of steam boiler is set in the system, both exhaust temperature is dropped
Low and can make full use of the heat energy for burning and producing, boiler uses closed cycle, by the softening set in addition, deoxygenation wetting system, to
Water pump etc. provides the deoxygenation softened water for meeting boiler requirement.
The steam parameter of waste heat boiler is shown in Table 1.
The waste heat boiler steam parameter of table 1
(3) exhaust treatment system
High-temperature flue gas is down to 500 DEG C by the outlet temperature of waste heat boiler 4, through entering chilling tower 5, quenching medium above flue
For wet scrubber tower recirculated water, high-temperature flue gas enters from spray column napex, flue gas is evenly distributed in tower by distribution device
It is interior, water smoke is sprayed at the top of spray column, the water droplet after atomization fully exchanges heat with high-temperature flue gas, evaporates, take away rapidly in a short time
Heat, makes flue-gas temperature dramatic decrease to less than 200 DEG C (about 195 DEG C), it is suppressed that bioxin is regenerated.The atomization of chilled water (chw) is led to
The realization of atomization pumping plant is crossed, atomization pumping plant is made up of spray gun, water circuit system, air-channel system, PLC control system etc..Chilling system can
Injection flow rate is automatically adjusted according to the change of exit gas temperature, it is ensured that chilling tower outlet temperature is maintained in the range of design temperature.
Chilling system can ensure that flue-gas temperature was down to 200 DEG C in 1 second by 500 DEG C, be prevented effectively from closing again for dioxins materials
Into.
Flue gas after cooling through chilling tower enters back into progress semidry method depickling in neutralizing tower 6, and flue-gas temperature is dropped to by 195 DEG C
170℃.By the SO in lime white and flue gas in semidry method depickling2Deng acidic materials hybrid reaction, CaSO is generated4、CASO3With
CaCl2Deng reactant, solid-state is dried to rapidly in high-temperature flue gas.Main purpose is on the one hand can to reduce the humidity of flue gas, separately
On the one hand it is the neutralization reaction deacidification for making full use of lime white in tower.
The heavy metal classes in activated carbon injection apparatus, flue gas are also provided between neutralizing tower 6 and cloth-sack-type dust removal device 7
Material and dioxins materials may be remained it is tightly held by activated carbon, and occurs in follow-up flue and bag-type duster filtering bag surface
Continuation is reacted, and is discharged with flying dust.Dust that activated carbon injection apparatus exiting flue gas enters in sack cleaner, flue gas, activity
Charcoal and the pollutant and reactant adsorbed by it, are attached to filter bag outer surface, are acted on by the high efficiency filter of filter bag, absolutely
Most of dust is all intercepted, and is discharged in the form of flying dust at ash bucket, the flue gas (about 165 DEG C) after purification is from deduster
Discharge in portion.
Flue gas through bag house outlet enter wet scrubber tower 8 (extracting tower), flue gas in uphill process with tower on
The circulation alkali liquor that portion sprays out is sufficiently mixed after contact, sour gas HCl, SO in flue gas2, HF and alkali lye mixing
Reaction is learned, flue-gas temperature is rapidly decreased to 72 DEG C by 165 DEG C, it is impossible to the flue gas discharge scrubbing tower of condensation.The washing of wash tower bottoms
(72 DEG C) of water (containing the waste water being condensed in flue gas) enters alkali lye circulating tanks, is then pumped to cooler, be cooled to 35 DEG C it is laggard
Enter alkali lye circulating tank.A part of scrubbed tower small pump of alkali lye in alkali lye circulating tank is recycled into scrubbing tower；A part
Alkali lye is pumped up spraying into chilling tower 5.The supply of alkali lye circulating tank is according to flue gas online monitoring data and the PH of circulatory system alkali lye
Count and to form control loop and carry out regular supply, it is ensured that can economic control chemical consumption while good deacidification effect.It is wet
Formula extracting tower exiting flue gas catches through demister and removes the bulky grain water smoke of extracting tower exiting flue gas entrainment, and reduction smoke evacuation is aqueous
Rate.
Flue gas emission includes air-introduced machine and chimney.Air-introduced machine pumps flue gas to maintain the negative-pressure operation state of burner hearth
Function, air is discharged into by chimney by flue gas up to standard is purified.
The auxiliary equipment such as thief hole and sample platform is set on chimney, flue gas on-line detecting system, monitoring discharge cigarette are installed
The quality of gas and the operation of feedback control flue gas purification system.CIU of the present invention is a set of in the supporting setting in exhaust emissions position
Flue gas on-line detecting system, can monitor the air pollution agents such as flue dust, oxysulfide, nitrogen oxides, hydrogen chloride on-line.It is dry in addition
Furnace and two combustion chambers set the technic index on-line monitoring of aerobic, carbon monoxide, carbon dioxide, to CIU relevant device
The duty parameter such as pressure, temperature, switch degree, material position carry out on-line monitoring, networked with competent administrative department for environmental protection.
(4) lime-ash cleaning system
The lime-ash produced after dangerous waste incineration, most of residue is discharged by the grit chamber of gas retort afterbody, is gone out by wet method
Ash system, is continuously discharged by the chain type slag remover of destructive distillation furnace bottom.The lime-ash come out by mucking machine, finally falls into mucking machine end
In the boxcar of setting, it is transported in lime-ash temporary library and stores, hazardous waste landfill security landfill is periodically sent to by transport vehicle
Disposal.
The flying dust discharged by waste heat boiler bottom, is collected and by fork truck with jumbo bag (a kind of flexible transport packing container)
It is transported in lime-ash temporary library and stores, hazardous waste landfill security landfill disposal is periodically sent to by transport vehicle.
The flying dust discharged by bag-type dust collector bottom flies storehouse cylinder by Geldart-D particle to ash, is periodically sent to danger by transport vehicle
Waste guaveyard security landfill is disposed.
(5) sewage disposal system
Waste water is mainly sewer between flushing water, laboratory waste water, early-stage rainwater, waterwheel processed, boiler row in factory of the present invention
Sewer and circulation between sewage, circulating cooling system sewerage and sanitary sewage etc., wherein flushing water, early-stage rainwater, waterwheel processed
Circulating cooling discharge water, is handled by sewage pretreatment device in factory, reaches Changzhou people's livelihood Environmental Protection Technology Co., Ltd adapter mark
After accurate requirement, and sanitary sewage is discharged into the processing of Changzhou people's livelihood Environmental Protection Technology Co., Ltd together.In factory at Wastewater Pretreatment station
Science and engineering skill takes the group technology of surge tank+air-dissolving air-float pond+pH conciliation tanks.
Sewer and circulating cooling system sewerage enter 5m3 buffering through collecting between flushing water, early-stage rainwater, waterwheel processed
Tank, enters the air-dissolving air-float pond that treating capacity is 10t/h after being reconciled through flow, air supporting is mainly flocculation, the SS in absorption waste water, oil
Class, is excluded after forming scum silica frost, while the COD that part is gone in water removal, the removal efficiency for SS, oils is about 60-70%, to it
The removal efficiency of its organic matter is about 30%.A mud scraper is set on flotation tank, mud enters gas retort after collecting and burned；Flotation tank goes out
Water enters 5m3PH regulation tank, water outlet after testing reach adapter standard after is discharged into garden sewage network embodiment provided above for this
The better embodiment of invention, only for the convenient explanation present invention, not makees any formal limitation, Ren Hesuo to the present invention
Have usually intellectual in category technical field, if not departing from the range of the present invention carries technical characteristic, utilize institute of the present invention
The equivalent embodiment locally changed or modified made by technology contents is disclosed, and without departing from the technical characteristic content of the present invention,
In the range of still falling within the technology of the present invention feature.
Embodiment provided above is the better embodiment of the present invention, only illustrates the present invention for convenient, not to this hair
It is bright to make any formal limitation, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment locally changed or modified made by disclosed technology contents, and
Without departing from the technical characteristic content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (8)
1. a kind of solid waste incineration system, including be sequentially connected discarded object feed arrangement (13), destructive distillation shove charge (1), two
Fire room (3), waste heat boiler (4), chilling tower (5), neutralizing tower (6), bag-type dust collector (7), scrubbing tower (8) and chimney (9), institute
State gas retort (1), waste heat boiler (4) and be respectively connected with demineralized water treatment device (2), the scrubbing tower (8) connects alkali lye pond (10), its feature
It is：The neutralizing tower (6) is connected with lime stock tank (11).
2. solid waste incineration system according to claim 1, it is characterised in that：The scrubbing tower (8) passes through pipeline
It is connected with the chilling tower (5).
3. solid waste incineration system according to claim 2, it is characterised in that：The chilling tower (5) includes independent
Changeable work between two sets be connected with the waste heat boiler (4), neutralizing tower (6) and scrubbing tower (8), two sets of chilling towers (5)
To realize the using and the reserved.
4. according to any described solid waste incineration system in claim 13, it is characterised in that：The destructive distillation device (1)
Including many sets, cover destructive distillation device (1) more and be connected with dual firing chamber (3).
5. according to any described solid waste incineration system in claim 1-3, it is characterised in that：The neutralizing tower (6)
Absorbent charcoal adsorber (12) is also equipped with connecting pipe between bag-type dust collector (7).
6. a kind of handling process of the solid waste incineration system described in claim 1, it is characterised in that：It is de- including semidry method
Sour process and wet method deacidification, the semidry method deacidification includes the lime white in the lime stock tank (11) importing institute
State the course of reaction with acid gas in flue gas in neutralizing tower (6), the wet method depickling is included and by the alkali in alkali lye pond (10)
Liquid is passed through the course of reaction with remaining sour gas in scrubbing tower (8).
7. a kind of handling process of the solid waste incineration system described in claim 2, it is characterised in that：It is de- including semidry method
Sour process and wet method deacidification, the semidry method deacidification includes the lime white in the lime stock tank (11) importing institute
State the course of reaction with acid gas in flue gas in neutralizing tower (6), the wet method depickling is included and by the alkali in alkali lye pond (10)
Liquid is passed through the course of reaction with acid solution in scrubbing tower (8)；The alkali lye of residual and generation in scrubbing tower (8) after wet method depickling
Salt be directed into chilling tower (5).
8. a kind of handling process of the solid waste incineration system described in claim 3, it is characterised in that：It is de- including semidry method
Sour process and wet method deacidification, the semidry method deacidification includes the lime white in the lime stock tank (11) importing institute
State the course of reaction with acid gas in flue gas in neutralizing tower (6), the wet method depickling is included and by the alkali in alkali lye pond (10)
Liquid is passed through the course of reaction with acid solution in scrubbing tower (8)；The alkali lye of residual and generation in scrubbing tower (8) after wet method depickling
Salt be directed into chilling tower (5), when wherein a set of chilling tower (5) needs desalination, switch to another set of chilling tower (5) work
Make.
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| CN112066384A (en) * | 2020-09-17 | 2020-12-11 | 中国农业科学院农业环境与可持续发展研究所 | Straw household garbage waste bundling and pyrolysis cooperative treatment method |
| CN112146106A (en) * | 2020-10-21 | 2020-12-29 | 湖南鑫恒环境科技有限公司 | Medical waste treatment and disposal system and method |
| CN112266793A (en) * | 2020-09-27 | 2021-01-26 | 重庆亿源环保工程有限公司 | Method for preparing warming agent by using solid waste |
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| CN112266793A (en) * | 2020-09-27 | 2021-01-26 | 重庆亿源环保工程有限公司 | Method for preparing warming agent by using solid waste |
| CN112146106A (en) * | 2020-10-21 | 2020-12-29 | 湖南鑫恒环境科技有限公司 | Medical waste treatment and disposal system and method |
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Application publication date: 20170901 |