CN106989400B - A kind of application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices - Google Patents
A kind of application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices Download PDFInfo
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- CN106989400B CN106989400B CN201710268244.1A CN201710268244A CN106989400B CN 106989400 B CN106989400 B CN 106989400B CN 201710268244 A CN201710268244 A CN 201710268244A CN 106989400 B CN106989400 B CN 106989400B
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- heat
- accumulation
- combustion
- solid waste
- temperature
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- 238000009825 accumulation Methods 0.000 title claims abstract description 191
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 130
- 239000002910 solid waste Substances 0.000 title claims abstract description 56
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000009835 boiling Methods 0.000 title claims abstract description 34
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 78
- 150000003839 salts Chemical class 0.000 claims abstract description 37
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 238000004062 sedimentation Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000001354 calcination Methods 0.000 claims abstract description 5
- 239000002956 ash Substances 0.000 claims description 63
- 239000003546 flue gas Substances 0.000 claims description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 51
- 239000002245 particle Substances 0.000 claims description 44
- 239000002893 slag Substances 0.000 claims description 43
- 239000003344 environmental pollutant Substances 0.000 claims description 23
- 231100000719 pollutant Toxicity 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 19
- 238000013461 design Methods 0.000 claims description 18
- 238000000354 decomposition reaction Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 12
- 239000011575 calcium Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 12
- 150000002894 organic compounds Chemical class 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 10
- 230000008929 regeneration Effects 0.000 claims description 10
- 238000011069 regeneration method Methods 0.000 claims description 10
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000005243 fluidization Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000003818 cinder Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 239000002912 waste gas Substances 0.000 abstract description 4
- 239000010813 municipal solid waste Substances 0.000 description 14
- 230000001172 regenerating effect Effects 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000197 pyrolysis Methods 0.000 description 9
- 238000011109 contamination Methods 0.000 description 8
- 239000013618 particulate matter Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000004939 coking Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000004056 waste incineration Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 206010020843 Hyperthermia Diseases 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000036031 hyperthermia Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- -1 application Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009270 solid waste treatment Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- LZDOYVMSNJBLIM-UHFFFAOYSA-N 4-tert-butylphenol;formaldehyde Chemical compound O=C.CC(C)(C)C1=CC=C(O)C=C1 LZDOYVMSNJBLIM-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000010457 zeolite Substances 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
- F23G5/08—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
-
- 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
-
- 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
- F23J15/02—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
-
- 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
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
-
- 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
- F23J2215/30—Halogen; Compounds thereof
- F23J2215/301—Dioxins; Furans
-
- 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
- F23J2217/60—Intercepting solids using settling/precipitation chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
- F23J2700/001—Ash removal, handling and treatment means
-
- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to volatile organic compound from waste gas Treatment process fields, and in particular to a kind of application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices, it is characterized in that：The technical solution purified using heat-accumulation combustion twice, i.e. an accumulation of heat Boiling Combustion cyclonic separation fused salt patch sticks sticks with secondary heat-accumulation combustion sedimentation separation fused salt patch, VOCs exhaust gas solid waste burns efficiency, purification efficiency target are adsorbed around improving, burner hearth, accumulation of heat returning charge room, heat-accumulation combustion sedimentation room temperature control are designed at 850~950 DEG C, residence time is 5s, hot calcination lapse rate≤5% of clinker.
Description
Technical field
The present invention relates to volatile organic compound from waste gas Treatment process fields, and in particular to a kind of absorption VOCs exhaust gas is solid
The application method of body waste accumulation of heat Boiling Combustion subsiding and purifying device.
Background technology
The gaseous pollutant of industrial discharge is the main source of air environmental pollution object, and wherein volatile organic compounds is useless
Gas (VOCs) is the gaseous pollutant for all having to environment serious harm effect, while being also to influence operating personnel in workplace
Health occupational source, it is extensively from the chemistry work such as paint, coating, application, lubricating oil, rubber
Industry.Since it acts on the considerable damage of human body and natural environment, country has put into effect relevant laws and regulations and it is administered and is discharged
Strictly controlled.The currently used processing method of VOCs treatment technology has combustion method, chemical oxidization method, chemical absorbing
Method, absorption method, bioanalysis etc..Wherein absorption method is a kind of common organic waste-gas purification effective ways, is to utilize various solids
Adsorbent（Such as activated carbon, activated carbon fibre, molecular sieve）The method that adsorption cleaning is carried out to the pollutant in discharge exhaust gas.It inhales
Attached method equipment is simple, applied widely, purification efficiency is high, is a kind of traditional waste gas pollution control and treatment technology, and most widely used at present
Treatment process.Adsorbent generally use granular activated carbon and activated carbon fibre at present are given up after adsorbing organic exhaust gas as solid
Gurry, this kind of adsorbent can be used the regeneration of the methods such as heat-activated, solvent recovery and use, generally require and be uniformly sent to solid
The unit of waste treatment qualification is disposed, and not only logistics and cost of disposal are higher, the adsorption efficiency after activating and regenerating also under
Drop, cost are usually above the cost purchased again.With coal, zeolite, diatomite, haydite, circulating fluidized bed combustion coal boiler fly ash
Become solid waste Deng for low cost active adsorbent made of raw material, after adsorbing organic exhaust gas, if using activating and regenerating
Method, cost is even more far above the cost purchased again, therefore the use of unit is handled as modes such as garbage loading embeadings,
To be polluted to soil, surface water, how inexpensive effectively disposition is adsorbed VOCs exhaust gas solid waste and is remained using it
Residual heat value is problem in the art.Chinese invention patent（Patent No. 200910097419.2, patent name are rapid boil
Composite circulating fluidized bed waste incinerator）Turbulent and boiling combined-circulation fluidized bed refuse incinerator is disclosed, is characterized in：Including burner hearth
(13) it is equipped with boiling-house (1), ebullated bed is equipped in boiling-house (1) with cyclone separator (8), the lower part of the burner hearth (13),
Rubbish feeding mouth (6) is provided in the middle part of burner hearth (13), the top (7) of the burner hearth (13) is connected with cyclone separator (8), rotation
The lower part of wind separator (8) is connected by material returning device (5) with boiling-house (1), the outlet on cyclone separator (8) top and arrangement
There is the flue (14) of heating surface to be connected, it is characterised in that：Being equipped between the rubbish feeding mouth (6) and boiling-house (1) can make
Rubbish tilts the turbulence chamber (3) of transfer, and the turbulence chamber (3) includes air distribution plate, is furnished on air distribution plate and arranges at a certain distance
And the extraneous blast cap (4) with turbulence chamber (3) of connection；The blast cap (4) is segment type structure；Cyclone separator (8) top
Outlet is connected with the upper end of smoke settlement dual firing chamber (9), and the smoke settlement dual firing chamber (9) is one and is surrounded by fin panel casing
Exhaust gases passes, the lower end of smoke settlement dual firing chamber (9) is connected with the lower part for rising room (12), rise room (12) for be disposed with by
The exhaust gases passes in hot face, the top for rising room (12) are connected with flue (14).Chinese invention patent（Patent No.
200910235361.3 patent name is a kind of refuse incinerator of circulating fluid bed）Disclose a kind of recirculating fluidized bed rubbish
Burning boiler, it is characterized in that：Including Steel Structure and the burner hearth ontology being arranged on the Steel Structure, middle part flue, back-end ductwork
And drum, flue gas separation unit and feeding back device, the flue gas separation unit and the feed back are provided in the middle part flue
Device is connect with the burner hearth ontology respectively, and the back-end ductwork is connect with the flue gas separation unit, the burner hearth ontology and
Boiler circuit is provided in the back-end ductwork, the boiler circuit is connect with the drum, which is characterized in that the burner hearth sheet
Body includes：Top water-evaporating furnace, is provided with exhanst gas outlet, and the exhanst gas outlet is used to guide flue gas into the flue gas point
From device；Adiabatic furnace, is provided with garbage inlet, overfire air port and feed back entrance, and the feed back entrance is used for
Connect the feeding back device, the longitudinal section of the Adiabatic furnace be it is wide at the top and narrow at the bottom trapezoidal, the Adiabatic furnace
It is funnelform air distribution plate that structure is provided at bottom port, and deslagging nozzle and multiple rows of blast cap, institute are provided on the air distribution plate
It states deslagging nozzle to be arranged in the centre of multiple rows of blast cap, the angle of inclination of the funnel surface of the air distribution plate is 15 °~25 °, institute
It states Adiabatic furnace bottom and is connected with air compartment of water cooling, be provided with First air entrance on air compartment of the water cooling and be used for
Connection starts the combustion port of burner, and the working medium heating surface of air compartment of the water cooling is connected by pipeline and the drum
It connects, air compartment of the water cooling includes upper collecting chamber, lower header and the membrane type being set between the upper collecting chamber and the lower header
Box-shaped air compartment is collectively formed in water-cooling wall, the upper collecting chamber, the lower header and the fin panel casing, and the air distribution plate setting exists
In the upper collecting chamber, air compartment of the water cooling is also associated with scum pipe；Middle part adiabatic furnace, for being separately connected the top
Water-evaporating furnace and the Adiabatic furnace；Wherein, the middle part adiabatic furnace and the Adiabatic furnace are without heated
The heat is put into the pre- of rubbish by face chamber structure, the heat loss for preventing from generating after incineration firing for the later stage
Heat and light, convection bank is provided in the back-end ductwork, the convection bank is connect with the drum, the convection bank
For the tube bank being spaced substantially equidistant along the back-end ductwork width direction, the tube bank is in the horizontal direction with horizontal line at 10 °~15 °
Angle.Chinese invention patent（Patent No. 201510997734.6, patent name are fused salt regenerative apparatus）Disclose one kind
Fused salt regenerative apparatus, it is characterized in that：Including fused salt regenerative furnace, oil storage tank, plate heat exchanger, heat preservation storage water tank, the fused salt stores
Hot stove includes furnace body and is arranged in the perpendicular of furnace interior encapsulation fused salt uniformly distributed in such a way that equilateral triangle or regular hexagon arrange
Pipe, vertical tube tube wall are tied with heat tape outside；Filled with the conduction oil as heat exchanging fluid in furnace body；The oil storage tank is stored with fused salt
Hot stove is connected, for storing conduction oil；Fused salt regenerative furnace is connected with plate heat exchanger, plate heat exchanger and heat preservation storage water tank
It is connected.Chinese invention patent（Patent No. 201610837319.9, patent name be a kind of solid waste treatment process and
Processing system）A kind of solid waste treatment process and processing system are disclosed, it is characterized in that：Include the following steps：1）Pass through
Solid waste is inputted multiple-hearth furnace by material-transporting system, and the lower layer of the multiple-hearth furnace is equipped with several burners, solid waste
In multiple-hearth furnace from the top down successively in dropping process respectively by dry, pyrolysis and combustion process, the cigarette after pyrolysis and burning
Gas mixture is delivered to forecooler from furnace roof discharge after dust pelletizing system dedusting, and the residue after pyrolysis is expelled to residue storage from furnace bottom
Slot；2）Smoke mixture carries out flue gas cool-down by spraying cooling water in forecooler and initial water wash is handled, while part
Grain object and acid contaminant are dissolved in water；3）The flue gas and cooling water of pre-cooled device cooling processing are together from the outlet at bottom of forecooler
Pipeline enters wet scrubber tower, carries out flue gas pollutant washing and gas-liquid separation processing, by particle waste in flue gas and water-soluble
Property dirt separation, organic and combustible exhaust gas not soluble in water and uncombusted import RTO regenerative combustion furnaces；Liquid after washed
It is expelled to circulating water chennel from wash tower bottoms；4）The exhaust gas of washed processing is fully burnt in RTO regenerative combustion furnaces
After discharge.
Conventional example one is by the way of twice combustion to solid waste（Rubbish）It is burned（Pyrolysis）Processing, examination
Figure is by increasing the residence time of burner hearth, dual firing chamber to ensure that pollutant effectively decomposes, it is well known that and msw water content is higher,
Its moisture forms superheated steam and is discharged with flue gas during hearth combustion, in addition the N in air2It is also non-combustible part, meeting
Taking away amount of heat causes fire box temperature to reduce, and in other words garbage fuel thermic load is relatively low, necessarily causes rubbish in burner hearth, two combustions
The temperature of room burning is not high, if in dual firing chamber（Rise room, flue）It arranges heating surface, will be unable to ensure《Consumer waste incineration
Contamination control standard》The purification condition that GB 18485-2014 are required, i.e. incineration temperature >=850 DEG C in burner hearth, at this temperature
Gas residence time >=2s, easily formation disposition difficulty are big, environmental pollution endangers Chong bioxin pollutants etc..And equipment is flat
Burner hearth and dual firing chamber relatively far apart, are easy in the flue for making particulate matter be deposited on the two connection, on the one hand lead to cigarette in the arrangement of face
Road high temperature corrosion, on the other hand blocking flue makes flue gas not to be discharged normally, and thermal expansion causes furnace operation environment to be become by negative pressure
For positive pressure so that pollutant is leaked from burner hearth.There are following for the refuse incinerator of circulating fluid bed that conventional example two designs
Shortcoming：First, variation is to eliminate the fin panel casing of middle part and lower furnace compared with existing circulating fluidized bed boiler
Equal heating parts, to ensure that the temperature of burner hearth, advantage are to ensure that rubbish being capable of sustained combustion（Pyrolysis）, the disadvantage is that the bed of material（Fluidisation
Layer）Cannot be too thick, the thicker bed of material will produce that fluidisation is uneven, localized hyperthermia will produce coking phenomenon in this heat-accumulation combustion, but
It is that the bed of material is too thin and meeting is because garbage fuel thermic load not enough cause fire box temperature not reach effective pyrolysis temperature（≥850
℃）；Two assume that burner hearth middle and lower part temperature reaches effective pyrolysis temperature（≥850℃）, garbage fuel thermic load is enough, burner hearth
Fin panel casing is not arranged in middle and lower part, it is desirable to which air compartment air output increases to prevent burner hearth coking, when being stopped to meet rubbish
Between requirement, it is necessary to burner hearth is built into obtain higher, the expense of investment will greatly increase, while also imply that excess air coefficient adds
Greatly, gross contamination emission increases；Third, the flue dust in flue gas after material returning device cyclonic separation directly with heating surface metal component
Contact necessarily causes heating surface metal component by particulate matter erosive wear, and Cl is contained in flue gas-、SO2Equal pollutants are heating surface gold
Metal elements high temperature corrosion main reason.Fused salt in three fused salt regenerative furnace of conventional example mainly plays accumulation of heat and heat conductor is made
With being very difficult to apply in solid waste pyrolytic technique field.If the multiple-hearth furnace that conventional example three designs is inhaled using in processing
There are following technical barriers in attached VOCs exhaust gas solid waste：First, multiple-hearth furnace temperature is not high（450-650℃）, solid waste
Object is insufficient contact with oxygen in stove, and the volatile organic compounds of part incomplete combustion is with tail gas is washed and gas-liquid point
It is sent to regenerative combustion furnace burning from processing, then combustible component such as volatile organic compounds, CO, H in tail gas2Etc. accountings
It is relatively low, necessarily lead to the reduction of regenerative combustion furnace thermic load, as a result necessarily in-furnace temperature continues to decline and fire end.Second is that
Multiple-hearth furnace temperature is not high（450-650℃）If containing Cl in characteristic contamination-The basic component of equal He Cheng bioxin, just forms
Disposition difficulty is big, environmental pollution endangers Chong bioxin pollutants.
Invention content
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of absorption VOCs exhaust gas solid waste accumulation of heats boilings
The application method of burning subsiding and purifying device is risen, it is characterized in that：
Step 1, absorption VOCs exhaust gas solid waste regeneration fuel particles are sent into burner hearth by spiral feeding assembly, in water
Gauze aerofoil is uniformly laid with the 30cm bed of materials (fluosolids), then sends out First air to water cooled wind chamber component, ensures that cloth wind is uniform, material
Laminarization is good, then starts firing point ignition combustor and heats up to hearth body and reach ignition temperature, solid waste regeneration combustion
Material particle rolls heat-accumulation combustion in fluosolids, and surface ashes successively peel off, and is carried from high-temperature flue gas to flowing at the top of hearth body,
The scum pipe of the water cooled air compartment component of slag of after-flame is discharged.
Step 2, high-temperature flue gas carry ash particles and enter accumulation of heat returning charge room through vortex flue by hearth body top exit,
High-temperature flue gas is thrown to accumulation of heat along accumulation of heat returning charge chamber body wall tangent to periphery rapid flow, ash particles under the action of cyclonic separation
Returning charge chamber body wall, uncombusted combustible component burn away, non-combustible component and lower melting-point ash content is in accumulation of heat in ashes
Returning charge chamber body wall forms molten condition, and surface is in molten condition to the fused salt patch in accumulation of heat returning charge chamber body at high temperature, is being melted
The surface adhesion force effect of object and the cyclonic separation effect of high-temperature flue gas, ash particles are attached on the melting of accumulation of heat returning charge chamber body wall
In object, wherein chlorinated organics, organic fluorocompound, sulfurous organic compound burns away decomposition and anti-with the components such as calcium, silicon, magnesium herein
Should be formed high-melting-point slag ash along accumulation of heat returning charge chamber body wall fall on collection slag bath be discharged through slag dropping tube, Boiling Combustion technique system of accumulation of heat
Measuring control point is arranged in the high-temperature flue gas outlet of system, controls temperature≤950 DEG C, by adjusting absorption VOCs exhaust gas solid waste regenerations
Fuel particle addition, the frequency of accumulation of heat returning charge room deslagging, First air（Fresh wind）Blending Secondary Air is controlled.
Step 3, the purified high-temperature flue gas in accumulation of heat returning charge room is after high-temperature flue gas outlet discharge, through accumulation of heat second-time burning
The gas inlet of subsiding and purifying system enters accumulation of heat second-time burning clean room, and accumulation of heat second-time burning clean room is settled by heat-accumulation combustion
IV 4 room I, heat-accumulation combustion expansion chamber II, heat-accumulation combustion expansion chamber III, heat-accumulation combustion expansion chamber autonomous closure heat-accumulation combustions are heavy
Chamber body composition drops, and adjacent heat-accumulation combustion settles chamber body and shares a face inner wall, and locular wall is shared per face and is designed with shared exhaust gases passes,
The shared exhaust gases passes position that the two sides of each autonomous closure heat-accumulation combustion expansion chamber shares on locular wall is staggered up and down relatively,
The high-temperature flue gas for carrying comparatively fine ash particles is fired through gas inlet is tortuous successively by heat-accumulation combustion expansion chamber I, accumulation of heat
Burn expansion chamber II, heat-accumulation combustion expansion chamber III, heat-accumulation combustion expansion chamber IV shared exhaust gases passes, ash particles combustible component after
Afterflame burns decomposition caused heat release, and the surface that ash particles hit wall in heat-accumulation combustion expansion chamber body loses in the fused salt patch of molten condition
Kinetic energy is simultaneously sticked, undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and with
The component reactions such as calcium, silicon, magnesium form high-melting-point slag ash, and wall is under gravity along autonomous closure heat-accumulation combustion expansion chamber body
It is deposited to slag mouth to be discharged through lag cooler, slag ash is through dust device, jacket type air-cooled spiral conveyer, pass air-valve, drum slag cooling group
Temperature is less than 60 DEG C after part cooling, completes purified high-temperature flue gas row up to standard after exhanst gas outlet enters heat-exchange system heat exchange
It puts.
Step 4, since the ash particles heat release that burns away keeps heat-accumulation combustion sedimentation chamber body constantly improve, NO in order to controlXIt is dirty
The discharge capacity for contaminating object needs the temperature for controlling heat-accumulation combustion sedimentation chamber body, the two of emission is extracted from heat-exchange system outlet end
Secondary wind is sent into heat-accumulation combustion expansion chamber I through circular cone comb blast cap, Secondary Air temperature between 160~170 DEG C, oxygen amount 6~9% it
Between, circular cone comb blast cap includes pedestal, secondary air inlet, ventilation hole, watt grid, air distribution plate, and by adjusting percent opening, percent opening is i.e. logical
Air holes and secondary air inlet area ratio, the air quantity of Secondary Air is sent into accurate adjustment, in accumulation of heat second-time burning subsiding and purifying system
Exhanst gas outlet measuring control point is set, be sent into Secondary Air air quantity be required to meet the temperature of exhanst gas outlet setting measuring control point 850~
Between 950 DEG C, oxygen amount is between 5~6%.
Inventor has found that the combustion method of solid waste has layer combustion, Boiling Combustion and suspension combustion three categories, fires
It is more suitable by the way of Boiling Combustion to burn the high absorption VOCs exhaust gas solid waste of high ash content, lower calorific value, moisture content
It closes, according to《Consumer waste incineration contamination control standard》GB 18485-2014 are required, incineration temperature >=850 DEG C in burner hearth,
Gas residence time >=2s at a temperature of this takes following technical scheme to ensure above-mentioned burning condition：First, with existing skill
Art scheme is to eliminate the heating parts such as the fin panel casing of burner hearth compared to variation, to ensure the temperature and solid waste of burner hearth
The residence time of object, burner hearth fluidized particales thickness are designed as 30cm, ensure that solid waste accumulation of heat of roll in fluidized particales is fired
It burns（Pyrolysis）, coking phenomenon is will produce to avoid generation from fluidizing uneven, localized hyperthermia, design cylinder water-cooling wall wall is laid in
Solid waste heat-accumulation combustion layer（Fluosolids）Hearth outer wall and air distribution plate, air compartment, elevation design are higher than solid waste accumulation of heat
Burning zone（Fluosolids）30cm；Second, build block near burner hearth and accumulation of heat returning charge room, heat transfer between burner hearth and accumulation of heat returning charge room and
Ash fusion object ensure that accumulation of heat returning charge room temperature compared with burner hearth higher and can reach design to the insulation effect of accumulation of heat returning charge room
850 DEG C of temperature more than, accumulation of heat returning charge chamber interior walls design fused salt patch under high temperature environment surface be in molten condition, in fused salt
Under the adsorption effect of patch and under the cyclonic separation effect of high-temperature flue gas, ash particles are attached on accumulation of heat returning charge room in flue gas
In the fusant of wall, wherein chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with calcium, silicon, magnesium
Etc. component reactions formed high-melting-point slag ash along accumulation of heat returning charge locular wall fall on collection slag bath be discharged through slag dropping tube；Third, burner hearth, accumulation of heat are returned
Material room ensure that solid waste reaches national respective standard in the residence time of effective temperature jointly, it is ensured that dioxin, HCl,
The purification efficiency of the pollutants such as mercury and mercuric compounds, CO, particulate matter, solid waste burn away in accumulation of heat returning charge room and are equivalent to
Burner hearth acts on, and also makes burner hearth that need not design very high, has saved investment cost.
Inventor find, accumulation of heat returning charge chamber interior walls design fused salt patch components by circulating fluidized bed combustion coal boiler fly ash,
K2SO4、Na2SO4, stainless steel fibre, p-tert-butylphenol formaldehyde resin constitute, roll-in be uniformly mixed through being sintered, fused salt
K in patch2SO4、Na2SO4Component its surface at 850~950 DEG C is in molten condition, and fused salt patch is made to have prodigious table
Face adhesive force generates adhesion to ash particles in flue gas, can trap the ash for throwing to accumulation of heat returning charge locular wall through cyclonic separation
Cinder particle, in ash particles undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with
The component reactions such as calcium, silicon, magnesium form high-melting-point slag ash, fall off under the washing away of high-temperature flue gas and fall on collection slag along accumulation of heat returning charge locular wall
Pond is discharged through slag dropping tube, substantially increases the pollutants such as chlorinated organics, organic fluorocompound, sulfurous organic compound at 850 DEG C or more
It is pyrolyzed the residence time in temperature, is capable of clinker ignition loss≤5% of reliable guarantee slag ash, reaches《Consumer waste incineration contamination control mark
It is accurate》GB 18485-2014 requirements, improve the purification efficiency of particulate matter, while K2SO4、Na2SO4For active alkali metal salt
Class meets water, HCl, SO in high-temperature flue gas2, heavy metal（Such as mercury and mercuric compounds, lead, arsenic）, generate at high temperature a series of
Complicated combination reaction, ultimately produce the salt of environmental sound to achieve the purpose that pollutant be reduced.
Inventor has found that fused salt patch design is regular hexagon, can be at high temperature to all directions even inflation, fused salt
Component circulating fluidized bed combustion coal boiler fly ash, stainless steel fibre aggregate can stablize overall structure in patch, and reduction is returned from accumulation of heat
The probability that material chamber body falls off.
Inventor has found that it is vortex flue that burner hearth is connect Flue duct design with accumulation of heat returning charge room, and high-temperature flue gas is returned along accumulation of heat
Expect that chamber interior walls circumferencial direction tangent line enters, improve the efficiency of the cyclonic separation of ash particles, substantially also improves fused salt patch
The efficiency of the trapping ash particles of piece, characteristic contamination chlorinated organics, organic fluorocompound, the sulfur-bearing being adsorbed in particulate matter have
Machine object generates the salt of environmental sound with component reactions such as calcium, silicon, magnesium under the high temperature conditions.
Inventor has found, if having Cl in the characteristic contamination of workplace-With heavy metal etc., in the pollutant of discharge
HCl, particulate matter etc. exchange hot systems and generate corrosion, wear, pollute the environment.Therefore two-step purification mode is devised, one
Grade purification is completed by Boiling Combustion of accumulation of heat, i.e., burner hearth and accumulation of heat returning charge room are completed, after operation principle is burner hearth Boiling Combustion
Into accumulation of heat returning charge room under the adsorption effect and cyclonic separation effect of fused salt patch, ash fusion object, ashes in flue gas
Particle is attached in the fusant of accumulation of heat returning charge locular wall, and wherein chlorinated organics, organic fluorocompound, sulfurous organic compound continue herein
Combustion decomposition simultaneously falls on collection slag bath through slag dropping tube with component reactions formation high-melting-point slag ashes such as calcium, silicon, magnesium along accumulation of heat returning charge locular wall
Discharge；Secondary purification is completed by accumulation of heat second-time burning clean room, and operation principle is inhaled on the surface of fused salt patch, ash fusion object
Under attached effect and gravity settling separation effect, ash particles are attached in the fusant of secondary heat-accumulation combustion sedimentation locular wall, wherein
Undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and with the components such as calcium, silicon, magnesium
Reaction forms high-melting-point slag ash and is deposited to slag mouth along autonomous closure heat-accumulation combustion expansion chamber body wall to be discharged through lag cooler, is carried significantly
High HCl, SO2, heavy metal and particulate matter purification efficiency.
Inventor has found that the purpose that heat-accumulation combustion expansion chamber I designs circular cone comb blast cap is：First, trepanning can be adjusted flexibly
The air quantity of Secondary Air is sent into rate, percent opening, that is, ventilation hole and secondary air inlet area ratio, accurate adjustment, is exactly substantially accurate
Adjustment dispatching oxygen amount, controls excess air coefficient, achievees the purpose that not reduce efficiency of combustion and the total amount of pollutant lowers；Second is that control
The temperature of heat-accumulation combustion expansion chamber processed is between 850~950 DEG C, since the ash particles heat release that burns away makes heat-accumulation combustion settle
Room is constantly improve, and excessively high temperature is unfavorable for the safety and NO of equipmentXThe control of pollutant, and Secondary Air goes out from heat-exchange system
The emission of mouth end reflux, between 160~170 DEG C, oxygen amount can be good at passing through feeding temperature between 6~9%
Secondary air flow adjust heat-accumulation combustion expansion chamber temperature.
Inventor has found that burner hearth, accumulation of heat returning charge room temperature are excessively high, are also detrimental to NOXThe control of pollutant should control it
Temperature, can be by adjusting absorption VOCs exhaust gas solid waste regeneration fuel particles addition, storage between 850~950 DEG C
The frequency of hot returning charge room deslagging, First air（Fresh wind）Blending Secondary Air is controlled.
Inventor's discovery, according to《Consumer waste incineration contamination control standard》GB 18485-2014 requirements, burner hearth is interior to be burned
Temperature >=850 DEG C, gas residence time >=2s at this temperature, hot calcination lapse rate≤5% of clinker, therefore this case design burner hearth,
At 850~950 DEG C, the residence time is designed as 5s, the hot calcination lapse rate of clinker for accumulation of heat returning charge room, heat-accumulation combustion sedimentation room temperature control
Design≤5%.
Compared with the existing technology, the present invention at least contains and has the advantage that：First, by the way of accumulation of heat Boiling Combustion：By
Burner hearth and accumulation of heat returning charge room are completed, and block is built near burner hearth and accumulation of heat returning charge room, and heat transfer each other ensure that heat-accumulation combustion
Environment；Second, the heating parts such as the fin panel casing of burner hearth are eliminated, to ensure the stop of the temperature and solid waste of burner hearth
Time, burner hearth fluidized particales thickness are designed as 30cm, ensure that solid waste is rolled heat-accumulation combustion in fluidized particales（Pyrolysis）,
Coking phenomenon is will produce to avoid generation from fluidizing uneven, localized hyperthermia, it is useless that design cylinder water-cooling wall wall lays entire solid
Gurry heat-accumulation combustion layer（Fluosolids）Hearth outer wall and air distribution plate, air compartment；Block, stove are built near third, burner hearth and accumulation of heat returning charge room
Heat transfer and ash fusion object between thorax and accumulation of heat returning charge room ensure that accumulation of heat returning charge room temperature to the insulation effect of accumulation of heat returning charge room
Degree can be compared with burner hearth higher, and surface is in molten condition to the fused salt patch of accumulation of heat returning charge chamber interior walls design under high temperature environment, molten
Under the adsorption effect of salt patch and under the cyclonic separation effect of high-temperature flue gas, ash particles are attached on accumulation of heat returning charge in flue gas
In the fusant of locular wall, wherein chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with calcium, silicon,
The component reactions such as magnesium formation high-melting-point slag ash falls on collection slag bath along accumulation of heat returning charge locular wall and is discharged through slag dropping tube；4th, burner hearth, accumulation of heat
Returning charge room ensures that solid waste reaches national respective standard in the residence time of effective temperature jointly, it is ensured that dioxin,
The purification efficiency of the pollutants such as HCl, mercury and mercuric compounds, CO, particulate matter also makes burner hearth that need not design very high, has saved investment
Expense；5th, accumulation of heat second-time burning clean room forms claustra knot by building block near four autonomous closure heat-accumulation combustions sedimentation chamber bodies
Structure reduces heat dissipation area, is effectively accomplished the purpose of heat preservation and accumulation of heat, carries the high-temperature flue gas of ash particles in position phase
To Tortuous flow in the exhaust gases passes that are staggered up and down, ash particles is on the one hand made to hit wall in heat-accumulation combustion expansion chamber body
Fused salt patch loses kinetic energy and is sticked, and is on the other hand deposited to bottom under gravity；6th, due to adsorbing VOCs exhaust gas
Solid waste burns have the factors such as high ash content, lower calorific value, moisture content height, characteristic contamination complexity, subtract to reach pollutant
Measure qualified discharge and the purpose using its remaining calorific value, the technical solution purified using heat-accumulation combustion twice, i.e. accumulation of heat boiling
It rises burning cyclonic separation fused salt patch to stick and stick with secondary heat-accumulation combustion sedimentation separation fused salt patch, around improving absorption VOCs
Exhaust gas solid waste burns efficiency, purification efficiency target, design burner hearth, accumulation of heat returning charge room, heat-accumulation combustion settle room temperature control
System is at 850~950 DEG C, residence time 5s, hot calcination lapse rate≤5% of clinker；7th, since apparatus cost cost is relatively low, adapt to
The improvement demand of difference absorption VOCs exhaust gas solid waste discharge units, without being sent to disposition of solid waste qualification
Unit is disposed, and reduces logistics and cost of disposal, at the same avoid occur in transportational process pollutant drop, odor leakage and
Phenomena such as water clock, occurs；8th, using absorption VOCs exhaust gas solid waste combustible component combustion decomposition heat releases, substantially have
The remaining calorific value of absorption VOCs exhaust gas solid waste is utilized in effect, has not only reduced the discharge of pollutant, but also saved the energy；The
Nine, whole device avoids pollutant to environmental effects to greatest extent in closed working environment automatic running.
Description of the drawings
Fig. 1 is a kind of master of the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Depending on structural schematic diagram.
Fig. 2 is a kind of bowing for application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Depending on structural schematic diagram.
Fig. 3 is an a kind of left side for the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Depending on structural schematic diagram.
Fig. 4 is a kind of A of the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Partial enlargement arrangement schematic diagram.
Fig. 5 is a kind of B of the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Full-page proof structural schematic diagram.
Fig. 6 is a kind of C of the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Full-page proof structural schematic diagram.
Fig. 7 is a kind of D of the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Partial enlargement structural representation.
Fig. 8 is a kind of E of the application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices
Partial enlargement structural representation.
I-Boiling Combustion process system II-accumulation of heat second-time burning subsiding and purifying the system of accumulation of heat one time
1- burner hearth 2- high-temperature flue gas outlet 3- accumulation of heat returning charges room 4- hearth bodies
5- accumulation of heat returning charge chamber body 6- collection slag bath 7- water-cooled distributor 8- scum pipes
9- spiral feeding assembly 10- start-up burner 11- water cooled wind chamber component 12- slag dropping tubes
13- fused salt patch 14- vortex flue 15- accumulation of heat second-time burnings clean room
16- heat-exchange system 17- lag cooler 18- heat-accumulation combustions expansion chamber I
II 20- heat-accumulation combustions expansion chamber III of 19- heat-accumulation combustions expansion chamber
IV 22- gas inlet 23- circular cone comb blast caps of 21- heat-accumulation combustions expansion chamber
24- exhanst gas outlet 25- slag mouth 26- heat-accumulation combustions settle chamber body 27- pedestals
30- watts of grid 31- air distribution plate 32- dust device of 28- secondary air inlet 29- ventilation holes
33- jacket type air-cooled spiral conveyers 34- closes air-valve 35- drum slag cooling components.
Specific implementation mode
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, a kind of absorption VOCs exhaust gas solid waste accumulation of heats
The application method of Boiling Combustion subsiding and purifying device, it is characterized in that：
Step 1, absorption VOCs exhaust gas solid waste regeneration fuel particles are sent into burner hearth 1 by spiral feeding assembly 9,
Water-cooled distributor 7 is uniformly laid with the 30cm bed of materials (fluosolids), then sends out First air to water cooled wind chamber component 11, ensures that cloth wind is equal
Even, bed of material fluidisation is good, then starts firing point ignition combustor 10 and heats up to hearth body 4 and reach ignition temperature, solid waste
Object generative fuel particle rolls heat-accumulation combustion in fluosolids, and surface ashes are successively peeled off, carried from high-temperature flue gas to hearth body 4
Top is flowed, and the scum pipe 8 of the water cooled air compartment component of the slag of after-flame 11 is discharged.
Step 2, high-temperature flue gas carry ash particles and enter accumulation of heat returning charge through vortex flue 14 by 4 top exit of hearth body
Room 3, high-temperature flue gas are thrown along 5 wall tangent to periphery rapid flow of accumulation of heat returning charge chamber body, ash particles under the action of cyclonic separation
To 5 wall of accumulation of heat returning charge chamber body, uncombusted combustible component burns away, non-combustible component and lower melting-point ash content in ashes
Molten condition is formed in 5 wall of accumulation of heat returning charge chamber body, surface is in molten to the fused salt patch 13 in accumulation of heat returning charge chamber body 5 at high temperature
State, in the surface adhesion force effect of fusant and the cyclonic separation effect of high-temperature flue gas, ash particles are attached on accumulation of heat returning charge room
In the fusant of 5 wall of body, wherein chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with calcium,
The component reactions such as silicon, magnesium form high-melting-point slag ash and fall on collection slag bath 6 through the discharge of slag dropping tube 12, accumulation of heat along 5 wall of accumulation of heat returning charge chamber body
Measuring control point is arranged in the high-temperature flue gas outlet 2 of Boiling Combustion process system I, temperature≤950 DEG C is controlled, by adjusting absorption
VOCs exhaust gas solid waste regeneration fuel particles addition, the frequency of accumulation of heat returning charge room deslagging, First air（Fresh wind）Blending
Secondary Air is controlled.
Step 3,3 purified high-temperature flue gas of accumulation of heat returning charge room is after the discharge of high-temperature flue gas outlet 2, through the secondary combustion of accumulation of heat
The gas inlet 24 for burning subsiding and purifying system II enters accumulation of heat second-time burning clean room 15, and accumulation of heat second-time burning clean room 15 is by storing
Hot combustion settling chamber I 18, heat-accumulation combustion expansion chamber II 19, heat-accumulation combustion expansion chamber III 20, heat-accumulation combustion expansion chamber IV 21 4
Autonomous closure heat-accumulation combustion settles chamber body 26 and forms, and adjacent heat-accumulation combustion settles chamber body 26 and shares a face inner wall, is shared per face
Locular wall is designed with shared exhaust gases passes, and the two sides of each autonomous closure heat-accumulation combustion expansion chamber 26 shares the shared flue gas on locular wall
Channel position is staggered up and down relatively, and the high-temperature flue gas for carrying comparatively fine ash particles is tortuous successively through gas inlet 24
Pass through heat-accumulation combustion expansion chamber I 18, heat-accumulation combustion expansion chamber II 19, heat-accumulation combustion expansion chamber III 20, heat-accumulation combustion expansion chamber IV
21 shared exhaust gases passes, ash particles combustible component burn away decomposition caused heat release, and ash particles hit heat-accumulation combustion expansion chamber
The surface of 26 inner wall of body loses kinetic energy and is sticked in the fused salt patch of molten condition, undecomposed chlorinated organics, fluorine-containing
Organic matter, sulfurous organic compound etc. burn away herein to be decomposed and forms high-melting-point slag ash along independence with component reactions such as calcium, silicon, magnesium
Wall is deposited to slag mouth 25 and is discharged through lag cooler 17 under gravity in 26 body of closing heat-accumulation combustion expansion chamber, and slag ash is through raising
Temperature is less than 60 DEG C after grey device 32, jacket type air-cooled spiral conveyer 33, pass air-valve 34, drum slag cooling component 35 cool down, completion
Purified high-temperature flue gas enters qualified discharge after heat-exchange system 16 exchanges heat through exhanst gas outlet 24.
Step 4, since the ash particles heat release that burns away keeps heat-accumulation combustion sedimentation chamber body 26 constantly improve, NO in order to controlX
The discharge capacity of pollutant, needs the temperature for controlling heat-accumulation combustion sedimentation chamber body 26, and discharge tail is extracted from 16 outlet end of heat-exchange system
The Secondary Air of gas is sent into heat-accumulation combustion expansion chamber I 18 through circular cone comb blast cap 23, and Secondary Air temperature is between 160~170 DEG C, oxygen amount
Between 6~9%, circular cone comb blast cap 23 includes pedestal 27, secondary air inlet 28, ventilation hole 26, watt grid 30, air distribution plate 31, is passed through
Percent opening, percent opening, that is, ventilation hole 26 and 28 area ratio of secondary air inlet are adjusted, the air quantity of Secondary Air is sent into accurate adjustment,
Measuring control point is arranged in the exhanst gas outlet 24 of accumulation of heat second-time burning subsiding and purifying system II, and the air quantity for being sent into Secondary Air is required to meet flue gas
The temperature of 24 setting measuring control point of outlet is between 850~950 DEG C, and oxygen amount is between 5~6%.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (6)
1. a kind of application method of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices, it is characterized in that：
Step 1, absorption VOCs exhaust gas solid waste regeneration fuel particles are sent into burner hearth by spiral feeding assembly, in water-cooled distributor
The 30cm bed of materials are uniformly laid with, then send out First air to water cooled wind chamber component, ensure that cloth wind is uniform, bed of material fluidisation is good, then
Start firing point ignition combustor to heat up to hearth body and reach ignition temperature, solid waste regeneration fuel particle is in fluosolids
Roll heat-accumulation combustion, and surface ashes successively peel off, and is carried from high-temperature flue gas to flowing at the top of hearth body, the slag of after-flame is water cooled
The scum pipe of air compartment component is discharged；Step 2, high-temperature flue gas carry ash particles by hearth body top exit through vortex flue into
Enter accumulation of heat returning charge room, high-temperature flue gas is along accumulation of heat returning charge chamber body wall tangent to periphery rapid flow, work of the ash particles in cyclonic separation
Thrown to accumulation of heat returning charge chamber body wall with lower, uncombusted combustible component burns away, in ashes non-combustible component and fusing point compared with
Low ash content forms molten condition in accumulation of heat returning charge chamber body wall, and surface is in molten to the fused salt patch in accumulation of heat returning charge chamber body at high temperature
Melt state, under the surface adhesion force effect of fusant and the cyclonic separation effect of high-temperature flue gas, ash particles are attached on accumulation of heat
In the fusant of returning charge chamber body wall, wherein chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with
Calcium, silicon, magnesium component reaction formation high-melting-point slag ash fall on collection slag bath along accumulation of heat returning charge chamber body wall and are discharged through slag dropping tube；Step 3,
The purified high-temperature flue gas in accumulation of heat returning charge room is after high-temperature flue gas outlet discharge, the cigarette through accumulation of heat second-time burning subsiding and purifying system
Gas import enters accumulation of heat second-time burning clean room, and accumulation of heat second-time burning clean room is settled by heat-accumulation combustion expansion chamber I, heat-accumulation combustion
IV 4 room II, heat-accumulation combustion expansion chamber III, heat-accumulation combustion expansion chamber autonomous closure heat-accumulation combustion sedimentation chamber body compositions are adjacent
Heat-accumulation combustion settles chamber body and shares a face inner wall, and locular wall is shared per face and is designed with shared exhaust gases passes, each autonomous closure accumulation of heat
The shared exhaust gases passes position that the two sides of combustion settling chamber shares on locular wall is staggered up and down relatively, carries comparatively fine ash
The high-temperature flue gas of cinder particle is fired through gas inlet is tortuous successively by heat-accumulation combustion expansion chamber I, heat-accumulation combustion expansion chamber II, accumulation of heat
The shared exhaust gases passes of expansion chamber III, heat-accumulation combustion expansion chamber IV are burnt, ash particles combustible component burns away decomposition caused heat release, ash
The surface of wall loses kinetic energy and is sticked in the fused salt patch of molten condition in cinder particles hit heat-accumulation combustion expansion chamber body, not
Chlorinated organics, organic fluorocompound, the sulfurous organic compound of decomposition burn away herein decomposition and with calcium, silicon, magnesium component reaction shape
At high-melting-point slag ash, wall is deposited to slag mouth through lag cooler under gravity along autonomous closure heat-accumulation combustion expansion chamber body
Purified high-temperature flue gas qualified discharge after exhanst gas outlet enters heat-exchange system heat exchange is completed in discharge；Step 4, due to ashes
The particle heat release that burns away makes the constant temperature of heat-accumulation combustion sedimentation chamber body improve, NO in order to controlXThe discharge capacity of pollutant needs
Control the temperature of heat-accumulation combustion sedimentation chamber body；The technical solution purified using heat-accumulation combustion twice, i.e. accumulation of heat boiling combustion
Burning cyclonic separation fused salt patch sticks to be sticked with secondary heat-accumulation combustion sedimentation separation fused salt patch, and VOCs exhaust gas is adsorbed around improving
Solid waste burns efficiency, purification efficiency target, design burner hearth, accumulation of heat returning charge room, heat-accumulation combustion sedimentation room temperature control exist
850~950 DEG C, residence time 5s, hot calcination lapse rate≤5% of clinker.
2. a kind of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices according to claim 1
Application method, it is characterized in that：Measuring control point is arranged in the high-temperature flue gas outlet of Boiling Combustion process system of accumulation of heat, by adjusting suction
Attached VOCs exhaust gas solid waste regeneration fuel particle addition, the frequency of accumulation of heat returning charge room deslagging, First air blend Secondary Air
Control temperature≤950 DEG C of Boiling Combustion process system of accumulation of heat.
3. a kind of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices according to claim 1
Application method, it is characterized in that：The slag ash is cold through dust device, jacket type air-cooled spiral conveyer, pass air-valve, drum slag cooling component
But temperature is less than 60 DEG C after.
4. a kind of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices according to claim 1
Application method, it is characterized in that：Secondary Air is the emission extracted from heat-exchange system outlet end, and Secondary Air temperature is 160~170
Between DEG C, oxygen amount is between 6~9%.
5. a kind of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices according to claim 1
Application method, it is characterized in that：Secondary Air is sent into heat-accumulation combustion expansion chamber I through circular cone comb blast cap.
6. a kind of absorption VOCs exhaust gas solid waste accumulation of heat Boiling Combustion subsiding and purifying devices according to claim 1
Application method, it is characterized in that：Circular cone comb blast cap includes pedestal, secondary air inlet, ventilation hole, watt grid, air distribution plate, by adjusting opening
Porosity, percent opening, that is, ventilation hole and secondary air inlet area ratio, the air quantity of Secondary Air is sent into accurate adjustment, in the secondary combustion of accumulation of heat
Measuring control point is arranged in the exhanst gas outlet for burning subsiding and purifying system, and the air quantity for being sent into Secondary Air is required to meet exhanst gas outlet setting measuring control point
Temperature between 850~950 DEG C, oxygen amount is between 5~6%.
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| CN113209793A (en) * | 2021-05-13 | 2021-08-06 | 湖南农业大学 | Purification system and purification process for chlorine-containing volatile organic compounds |
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| JPH11333411A (en) * | 1998-05-25 | 1999-12-07 | Nippon Steel Corp | Electric melting furnace for ash treatment and method for operating the same |
| WO2012176208A1 (en) * | 2011-06-22 | 2012-12-27 | Yeda Research And Development Co. Ltd. | Apparatus and method for removing sulfur dioxide from flue gases |
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