CN107036101A - A kind of application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers - Google Patents
A kind of application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers Download PDFInfo
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- CN107036101A CN107036101A CN201710268272.3A CN201710268272A CN107036101A CN 107036101 A CN107036101 A CN 107036101A CN 201710268272 A CN201710268272 A CN 201710268272A CN 107036101 A CN107036101 A CN 107036101A
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- time burning
- accumulation combustion
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- 238000009825 accumulation Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000002912 waste gas Substances 0.000 title claims abstract description 32
- 239000002910 solid waste Substances 0.000 title claims abstract description 22
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 title claims description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 89
- 239000002245 particle Substances 0.000 claims abstract description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 21
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 15
- 231100000719 pollutant Toxicity 0.000 claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 12
- 239000003818 cinder Substances 0.000 claims abstract description 10
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 8
- 239000011575 calcium Substances 0.000 claims abstract description 8
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 8
- 239000011777 magnesium Substances 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000002956 ash Substances 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 239000003610 charcoal 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
- 239000000843 powder Substances 0.000 claims description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 2
- 239000013618 particulate matter Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 239000010813 municipal solid waste Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 4
- 150000001722 carbon compounds Chemical class 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007832 Na2SO4 Substances 0.000 description 3
- -1 application Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 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
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- 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
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 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
- 229910021536 Zeolite 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
- 230000008901 benefit Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 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
- 238000009841 combustion method Methods 0.000 description 1
- 239000002131 composite material Substances 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
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal 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
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method 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
- 239000002352 surface water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
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- 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
-
- 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
- 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
-
- 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
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; 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
- F23J2215/00—Preventing emissions
- F23J2215/30—Halogen; Compounds thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to volatile organic compound from waste gas Treatment process field, and in particular to the application method of VOCs waste gas solid waste accumulation of heat second-time burning purifiers is adsorbed in a kind of processing, it is characterized in that：Under the adsorption effect and gravity settling separation effect of fused salt paster, ash fusion thing, ash particles are attached in the fused mass of secondary heat-accumulation combustion sedimentation locular wall, wherein undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and to be deposited to cinder notch along autonomous closure heat-accumulation combustion expansion chamber body wall with the component reaction such as calcium, silicon, magnesium formation high-melting-point slag ash and is discharged through lag cooler, greatly improves HCl, SO2, the pollutant such as heavy metal and particulate matter purification efficiency.
Description
Technical field
The present invention relates to volatile organic compound from waste gas Treatment process field, and in particular to one kind processing absorption VOCs gives up
The application method of gas solid waste accumulation of heat second-time burning purifier.
Background technology
The gaseous contaminant of industrial discharge is the main source of air environmental pollution thing, and wherein VOC gives up
Gas (VOCs) is that all have the gaseous contaminant that serious harm is acted on to environment, while being also operating personnel in influence workplace
Healthy occupational source, it is extensively from the chemistry work such as paint, coating, application, lubricating oil, rubber
Industry.Due to its considerable damage effect to human body and natural environment, country has put into effect relevant laws and regulations and it is administered and discharged
Strictly controlled.The processing method that VOCs treatment technology is commonly used at present has combustion method, chemical oxidization method, chemical absorbing
Method, absorption method, bioanalysis etc..Wherein absorption method is a kind of conventional organic waste-gas purification effective ways, is to utilize various solids
Adsorbent（Such as activated carbon, NACF, molecular sieve）The method that adsorption cleaning is carried out to the pollutant in discharge waste gas.Inhale
Attached method equipment is simple, applied widely, purification efficiency is high, is a kind of traditional waste gas pollution control and treatment technology, is also most widely used at present
Treatment process.Current adsorbent generally uses useless as solid after granular activated carbon and NACF, absorption organic exhaust gas
Gurry, this kind of adsorbent can be used using the regeneration of the methods such as heat-activated, solvent recovery, generally required 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, its cost is usually above the cost purchased again.With coal, zeolite, diatomite, haydite, circulating fluidized bed combustion coal boiler fly ash
Deng the low cost active adsorbent being made for raw material, turn into solid waste after absorption organic exhaust gas, if using activating and regenerating
Method, it, far above the cost purchased again, therefore using unit is handled as modes such as garbage loading embeadings that its cost, which is even more,
So as to be polluted to soil, surface water, how low cost effectively disposal is adsorbed VOCs waste gas solid waste and remained using it
Residual heat value is problem in the art.Chinese invention patent（Patent No. 200910097419.2, patent name boils to be rapid
Composite circulating fluidized bed waste incinerator）Turbulent and boiling combined-circulation fluidized bed refuse incinerator is disclosed, is characterized in：Including burner hearth
(13) and cyclone separator (8), the bottom of the burner hearth (13), which is provided with boiling-house (1), boiling-house (1), is provided with ebullated bed,
Rubbish feeding mouth (6) is provided with the middle part of burner hearth (13), the top (7) of the burner hearth (13) is connected with cyclone separator (8), revolved
The bottom of wind separator (8) is connected by material returning device (5) with boiling-house (1), the outlet on cyclone separator (8) top and arrangement
The flue (14) for having heating surface is connected, it is characterised in that：Being provided between described rubbish feeding mouth (6) and boiling-house (1) to make
Rubbish tilts the turbulence chamber (3) of transfer, and described turbulence chamber (3) includes being furnished with air distribution plate, air distribution plate to be arranged at a certain distance
And the extraneous blast cap (4) with turbulence chamber (3) of connection；Described 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 surrounded by fin panel casing
Exhaust gases passes, the lower end of smoke settlement dual firing chamber (9) is connected with rising the bottom of room (12), rise room (12) be disposed with by
The exhaust gases passes in hot face, the top for rising room (12) is connected with flue (14).Chinese invention patent（Patent No.
201080062269.2, patent name is the method and apparatus for purifying waste gas）Disclose a kind of side for being used to purify waste gas
Method and device, it is characterized in that：The heat accumulation type secondary combustion equipment includes at least two filled with thermal store (33,34) and passed through
The connected storage heater (31,32) in combustion chamber (35), the waste gas is alternately heated at least one storage heater (31,32), institute
State at a temperature of carbon compound is higher than 850 DEG C in the combustion chamber (35) inherence and be oxidized, and stored by least one other
Hot device (32,31) takes the purification hot gas formed away, it is characterised in that except carbon compound in the combustion chamber (35)
Oxidation outside also carry out the reduction of nitrogen oxides simultaneously, wherein using hydronitrogen come the reduction in the combustion chamber (35)
Nitrogen oxides；The combustion chamber (35) includes：It is in above the thermal store (33,34) of at least one storage heater (31,32)
One area (35-1), waste gas carries out initial reaction in firstth area；It is in second between at least two storage heaters (31,32)
Area (35-2)；And the 3rd area (35-3) above the thermal store (34,33) of at least another storage heater (32,31) is in, its
In purification gas is extracted out by the 3rd area；At the beginning of secondth area (35-2) and in secondth area (35-2)
End to feeding hydronitrogen in the combustion chamber (35), wherein being fed at the beginning of secondth area (35-2)
The amount of hydronitrogen is more than the amount of the hydronitrogen fed at the end of secondth area (35-2)；Feed the nitrogen of waste gas
Hydrogen compound and/or carbon monoxide the reduction part nitrogen oxides in firstth area (35-1) of the combustion chamber (35)；In waste gas
The oxidation of carbon compound and the reduction of nitrogen oxides be only hot type occur, i.e., need not use catalyst.
Conventional example one is by the way of twice combustion to solid waste（Rubbish）Burned（Pyrolysis）Processing, examination
Figure by increase burner hearth, dual firing chamber residence time to ensure that pollutant is effectively decomposed, it is well known that msw water content is higher,
Its moisture formation superheated steam 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）Heating surface is arranged, will be unable to ensure《Consumer waste incineration
Contamination control standard》The purification condition of GB 18485-2014 requirements, i.e. incineration temperature >=850 DEG C in burner hearth, at this temperature
Gas residence time >=2s, easily forms big, environmental pollution harm Chong bioxin pollutants of disposal difficulty etc..And equipment is flat
Burner hearth makes particulate matter be deposited in the flue of both connections relatively far apart, easily with dual firing chamber in the arrangement of face, on the one hand causes cigarette
Road high temperature corrosion, on the other hand blocking flue makes flue gas not discharge normally, and thermal expansion causes furnace operation environment to be become by negative pressure
For malleation so that pollutant is leaked from burner hearth.The heat accumulation type secondary combustion equipment of conventional example two is applied primarily to be used to purify
The waste gas technical field produced in clinker production period, is heat accumulation type secondary combustion with the technical scheme of this case relatively
Equipment can be such that carbon compound is oxidized in the combustion chamber at a temperature of higher than 850 DEG C（Burning, pyrolysis）, emphasize simultaneously
Residence time >=2s, pollutant is only referred to be directed to nitrogen oxides, CO purified treatment, for dioxin, HCl, mercury and its change
Compound, SO2, the pollutant such as particulate matter purified treatment do not refer to.
The content of the invention
In view of the shortcomings of the prior art, stored it is an object of the invention to provide one kind processing absorption VOCs waste gas solid waste
The application method of hot second-time burning purifier, it is characterized in that：
Step one, it is uniform on its surface after fused salt paster via pins and castable are fixed on accumulation of heat second-time burning purification locular wall
Apply and spread charcoal powder and plant ash mixture, according to baker process flow operation, prevent fused salt paster from being peeled off because steep temperature rise is deformed.
Step 2, accumulation of heat second-time burning clean room is by heat-accumulation combustion expansion chamber I, heat-accumulation combustion expansion chamber II, heat-accumulation combustion
Expansion chamber III, IV 4 autonomous closure heat-accumulation combustion sedimentation chamber body compositions of heat-accumulation combustion expansion chamber, adjacent heat-accumulation combustion sedimentation
Chamber body shares a face inwall, and locular wall is shared per face and is designed with shared exhaust gases passes, each autonomous closure heat-accumulation combustion expansion chamber
The shared exhaust gases passes position that two sides is shared on locular wall is staggered up and down relatively, carries the high temperature of comparatively fine ash particles
Flue gas through gas approach successively it is tortuous by heat-accumulation combustion expansion chamber I, heat-accumulation combustion expansion chamber II, heat-accumulation combustion expansion chamber III,
The shared exhaust gases passes of heat-accumulation combustion expansion chamber IV, ash particles combustible component is burnt away decomposition caused heat release, and ash particles are hit
The surface of wall loses kinetic energy and is adsorbed in the fused salt paster of molten condition in heat-accumulation combustion expansion chamber body, and its is undecomposed chloride
Organic matter, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and with the component reaction such as calcium, silicon, magnesium formation Gao Rong
Point slag ash wall along along autonomous closure heat-accumulation combustion expansion chamber body is deposited to cinder notch and discharged through lag cooler under gravity, complete
Qualified discharge after entering heat-exchange system heat exchange through exhanst gas outlet into the high-temperature flue gas after purification.
Step 3, because the ash particles heat release that burns away makes heat-accumulation combustion settle constantly improve, the too high temperature of chamber body
It is unfavorable for the safety and NO of equipmentXThe control of pollutant, the temperature of chamber body is settled for control heat-accumulation combustion, is gone out from heat-exchange system
The Secondary Air that emission is extracted at mouth end sends into heat-accumulation combustion expansion chamber I through circular cone comb blast cap, and Secondary Air temperature is 160~170
Between DEG C, oxygen amount is between 6~9%, and circular cone comb blast cap includes pedestal, secondary air inlet, air vent, watt grid, air distribution plate, passes through
Percent opening is adjusted, percent opening is air vent and secondary air inlet area ratio, the air quantity of accurate adjustment feeding Secondary Air, in accumulation of heat
The exhanst gas outlet of second-time burning clean room sets measuring control point, and the air quantity of feeding Secondary Air is required to meet exhanst gas outlet and sets measuring control point
Temperature between 850~950 DEG C, oxygen amount is between 5~6%.
Inventor has found that the fused salt patch components of accumulation of heat second-time burning purification chamber interior walls design are by circulating fluidized bed combustion coal pot
Converter fly ash, K2SO4、Na2SO4, stainless steel fibre, p-tert-butylphenol formaldehyde resin constitute, roll-in be well mixed it is sintered and
Into the K in fused salt paster2SO4、Na2SO4Component its surface at 850~950 DEG C is in molten condition, fused salt paster is had very
Ash particles in flue gas are produced adhesion, can trap and throw to accumulation of heat second-time burning clean room room by big surface adhesion power
The ash particles of wall, ash particles are after the purification of heat-accumulation combustion returning charge room, into the ashes of accumulation of heat second-time burning clean room
Grain diameter is about in 100~200 mesh, and its undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein
Decompose and with the component reaction such as calcium, silicon, magnesium formation high-melting-point slag ash, come off under the washing away of high-temperature flue gas along accumulation of heat second-time burning
Purification chamber body bottom increases the pollutants such as chlorinated organics, organic fluorocompound, sulfurous organic compound through falling cinder notch discharge, substantially and existed
The residence time is pyrolyzed in 850 DEG C of temperatures above, is capable of clinker ignition loss≤5% of reliable guarantee slag ash, reaches《Consumer waste incineration
Contamination control standard》GB 18485-2014 requirements, improve the purification efficiency of particulate matter, while K2SO4、Na2SO4To be active
Alkaline metal salt, meets water, HCl, SO in high-temperature flue gas2, heavy metal（Such as mercury and mercuric compounds, lead, arsenic）, produce at high temperature
Raw a series of complicated combination reaction, ultimately produces the salt of environmental sound to reach the purpose of pollutant decrement.
Inventor has found that accumulation of heat second-time burning clean room is settled by four autonomous closure heat-accumulation combustions and builds block shape near chamber body
Into claustra structure, area of dissipation is reduced, the purpose of insulation and accumulation of heat is effectively accomplished, carries the high-temperature flue gas of ash particles
Tortuous flow in the exhaust gases passes staggered up and down relatively in position, makes ash particles hit wall in heat-accumulation combustion expansion chamber body
Fused salt paster lose kinetic energy and sticked, wherein undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound etc. herein after
Continuous combustion decomposition is simultaneously heavy along autonomous closure heat-accumulation combustion expansion chamber body wall with the component reaction formation high-melting-point slag ash such as calcium, silicon, magnesium
Drop to cinder notch to discharge through lag cooler.
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 paster, reduce from accumulation of heat combustion
Burn the probability that wall comes off in expansion chamber body.
Inventor has found, if having Cl in the characteristic contamination of workplace-With heavy metal etc., in the pollutant of discharge
The exchange hot systems such as HCl, particulate matter produce corrosion, wear, and environment is polluted.Therefore two-step purification mode is devised, its
Middle secondary purification is completed by accumulation of heat second-time burning clean room, and operation principle is the adsorption in fused salt paster, ash fusion thing
Under effect and gravity settling separation effect, ash particles are attached in the fused mass of secondary heat-accumulation combustion sedimentation locular wall, wherein not
Chlorinated organics, organic fluorocompound, sulfurous organic compound of decomposition etc. burn away decomposition and anti-with the component such as calcium, silicon, magnesium herein
High-melting-point slag ash should be formed to be deposited to cinder notch along autonomous closure heat-accumulation combustion expansion chamber body wall and discharge through lag cooler, greatly improved
HCl、SO2, heavy metal and particulate matter purification efficiency.
Relative to prior art, the present invention, which at least contains, to be had the advantage that：First, accumulation of heat second-time burning clean room is only by four
Block is built near vertical closing heat-accumulation combustion sedimentation chamber body and forms claustra structure, is reduced area of dissipation, is effectively accomplished insulation and stores
The purpose of heat, carries Tortuous flow in the exhaust gases passes that the high-temperature flue gas of ash particles staggers up and down relatively in position,
On the one hand the fused salt paster for making ash particles hit wall in heat-accumulation combustion expansion chamber body loses kinetic energy and is adsorbed, on the other hand in weight
Bottom is deposited in the presence of power；Second, if having Cl in the characteristic contamination of workplace-With heavy metal etc., the pollution of discharge
The exchange hot systems such as HCl, particulate matter in thing produce corrosion, wear, and environment is polluted.Therefore two-step purification side is devised
Formula, wherein secondary purification are completed by accumulation of heat second-time burning clean room, and operation principle is on the surface of fused salt paster, ash fusion thing
Under suction-operated and gravity settling separation effect, ash particles are attached in the fused mass of secondary heat-accumulation combustion sedimentation locular wall, its
In undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and with the group such as calcium, silicon, magnesium
Point reaction forms high-melting-point slag ash and is deposited to cinder notch along autonomous closure heat-accumulation combustion expansion chamber body wall discharges through lag cooler, significantly
Improve HCl, SO2, heavy metal and particulate matter purification efficiency；3rd, heat-accumulation combustion expansion chamber I designs the purpose of circular cone comb blast cap
It is：One is that percent opening can be adjusted flexibly, and percent opening is air vent and secondary air inlet area ratio, and accurate adjustment feeding is secondary
The air quantity of wind, is substantially exactly accurate adjustment dispatching oxygen amount, controls excess air coefficient, reaching does not reduce efficiency of combustion and pollution
The purpose that thing total amount lowers；Two be control heat-accumulation combustion expansion chamber temperature between 850~950 DEG C, because Secondary Air comes from
The emission of heat-exchange system port of export backflow, its temperature is between 200~250 DEG C, and oxygen amount is between 6~9%, ash particles
The heat release that burns away makes heat-accumulation combustion expansion chamber constantly improve, and too high temperature is unfavorable for the safety and NO of equipmentXPollutant
Control；4th, whole device avoids pollutant from producing shadow to environment to greatest extent in closed working environment automatic running
Ring.
Brief description of the drawings
Fig. 1 is a kind of master for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Depending on structural representation.
Fig. 2 bows for a kind of application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Depending on structural representation.
Fig. 3 is an a kind of left side for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Depending on structural representation.
Fig. 4 is a kind of A for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Full-page proof arrangement schematic diagram.
Fig. 5 is a kind of B for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Partial enlargement structural representation.
Fig. 6 is a kind of C for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Partial enlargement structural representation.
Fig. 7 is a kind of D for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Partial enlargement structural representation.
Fig. 8 is a kind of E for the application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Full-page proof structural representation.
Fig. 9 is a kind of F partial enlargement knots for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Structure schematic diagram.
1- accumulation of heat second-time burning clean room 2- heat-exchange system 3- lag cooler 4- gas approach
5- shares the shared locular wall 8- of exhaust gases passes 6- heat-accumulation combustions sedimentation chamber body 7- and falls cinder notch
The 10- heat-accumulation combustions expansion chamber III of 9- heat-accumulation combustions expansion chamber IV
The 12- heat-accumulation combustions expansion chamber II of 11- heat-accumulation combustions expansion chamber I
13- exhanst gas outlet 14- circular cone comb blast cap 15- pedestal 16- secondary air inlets
18- watts of grid 19- air distribution plate 20- fused salt paster 21- pin of 17- air vents.
Embodiment
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, Fig. 9, one kind processing absorption VOCs waste gas solid gives up
The application method of gurry accumulation of heat second-time burning purifier, it is characterized in that：Step one, the via pins 21 of fused salt paster 20 and castable
After being fixed on the wall of accumulation of heat second-time burning clean room 1, uniformly applied on its surface and spread charcoal powder and plant ash mixture, according to baking
Stove process flow operation, prevents fused salt paster 20 from being peeled off because steep temperature rise is deformed.
Step 2, accumulation of heat second-time burning clean room 1 is by heat-accumulation combustion expansion chamber I 11, heat-accumulation combustion expansion chamber II 12, accumulation of heat
Combustion settling chamber III 10, IV 94 autonomous closure heat-accumulation combustion sedimentation chamber bodies 6 of heat-accumulation combustion expansion chamber are constituted, adjacent accumulation of heat
Combustion settling chamber body 6 shares a face inwall, and locular wall 7 is shared per face and is designed with shared exhaust gases passes 5, each autonomous closure accumulation of heat combustion
The position of shared exhaust gases passes 5 burnt on the shared locular wall 7 in two sides of expansion chamber is staggered up and down relatively, carries comparatively fine ash
The high-temperature flue gas of cinder particle through gas approach 4 successively it is tortuous by heat-accumulation combustion expansion chamber I 11, heat-accumulation combustion expansion chamber II 12,
The shared exhaust gases passes of heat-accumulation combustion expansion chamber III 10, heat-accumulation combustion expansion chamber IV 9, ash particles combustible component burns away point
Heat release is solved, the surface that ash particles hit the heat-accumulation combustion sedimentation inwall of chamber body 6 loses kinetic energy simultaneously in the fused salt paster of molten condition
It is adsorbed, its undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and with calcium, silicon,
The component reactions such as magnesium formation high-melting-point slag ash is deposited under gravity along the autonomous closure heat-accumulation combustion sedimentation inwall of chamber body 6
Fall cinder notch 8 to discharge through lag cooler 3, complete the high-temperature flue gas after purification and enter up to standard after heat-exchange system 2 exchanges heat through exhanst gas outlet 13
Discharge.
Step 3, because the ash particles heat release that burns away makes heat-accumulation combustion settle constantly improve, the too high temperature of chamber body 6
It is unfavorable for the safety and NO of equipmentXThe control of pollutant, the temperature of chamber body 6 is settled for control heat-accumulation combustion, from heat-exchange system 2
The Secondary Air that the port of export extracts emission sends into heat-accumulation combustion expansion chamber I 11 through circular cone comb blast cap 14, and Secondary Air temperature is 200
Between~250 DEG C, oxygen amount is between 6~9%, and circular cone comb blast cap 14 includes pedestal 15, secondary air inlet 16, air vent 17, watt grid
18th, air distribution plate 19, by adjusting percent opening, percent opening is air vent 17 and the area ratio of secondary air inlet 16, and accurate adjustment is sent
Enter the air quantity of Secondary Air, the exhanst gas outlet 13 in accumulation of heat second-time burning clean room 1 sets measuring control point, and the air quantity of feeding Secondary Air will
Ask the temperature for meeting the setting measuring control point of exhanst gas outlet 13 between 850~950 DEG C, oxygen amount is between 5~6%.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in embodiment 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.Although in addition, being used in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any limitation to the present invention.
Claims (5)
1. a kind of application method for handling absorption VOCs waste gas solid waste accumulation of heat second-time burning purifiers, it is characterized in that：
Step one, after fused salt paster via pins and castable are fixed on accumulation of heat second-time burning purification locular wall, uniformly apply and spread on its surface
Charcoal powder and plant ash mixture, according to baker process flow operation, prevent fused salt paster from being peeled off because steep temperature rise is deformed；Step
Two, accumulation of heat second-time burning clean room is by heat-accumulation combustion expansion chamber I, heat-accumulation combustion expansion chamber II, heat-accumulation combustion expansion chamber III, accumulation of heat
IV 4 autonomous closure heat-accumulation combustion sedimentation chamber body compositions of combustion settling chamber, adjacent heat-accumulation combustion sedimentation chamber body is shared in one side
Wall, locular wall is shared per face and is designed with shared exhaust gases passes, the two sides of each autonomous closure heat-accumulation combustion expansion chamber is shared on locular wall
Shared exhaust gases passes position stagger up and down relatively, carry the high-temperature flue gas of comparatively fine ash particles through gas approach
Complications pass through heat-accumulation combustion expansion chamber I, heat-accumulation combustion expansion chamber II, heat-accumulation combustion expansion chamber III, heat-accumulation combustion expansion chamber successively
IV shared exhaust gases passes；Step 3, due to ash particles burn away heat release make heat-accumulation combustion settle chamber body it is constantly improve, mistake
High temperature is unfavorable for the safety and NO of equipmentXThe control of pollutant, the temperature of chamber body is settled for control heat-accumulation combustion, secondary
Wind sends into heat-accumulation combustion expansion chamber I through circular cone comb blast cap, circular cone comb blast cap include pedestal, secondary air inlet, air vent, watt grid,
Air distribution plate.
2. a kind of handle according to claim 1 adsorbs VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Application method, it is characterized in that：Ash particles combustible component burns away decomposition caused heat release, ashes in heat-accumulation combustion expansion chamber body
The surface that grain hits wall in heat-accumulation combustion expansion chamber body loses kinetic energy and is adsorbed in the fused salt paster of molten condition, and its is undecomposed
Chlorinated organics, organic fluorocompound, sulfurous organic compound etc. burn away herein decomposition and with the component reaction shape such as calcium, silicon, magnesium
It is deposited to cinder notch under gravity through lag cooler into high-melting-point slag ash wall along along autonomous closure heat-accumulation combustion expansion chamber body
Discharge, completes qualified discharge after the high-temperature flue gas after purification enters heat-exchange system heat exchange through exhanst gas outlet.
3. a kind of handle according to claim 1 adsorbs VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Application method, it is characterized in that：The Secondary Air temperature is between 160~170 DEG C, and oxygen amount is between 6~9%.
4. a kind of handle according to claim 1 adsorbs VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Application method, it is characterized in that：The Secondary Air is the emission extracted from the heat-exchange system port of export.
5. a kind of handle according to claim 1 adsorbs VOCs waste gas solid waste accumulation of heat second-time burning purifiers
Application method, it is characterized in that：By adjusting percent opening, percent opening is the percent value of air vent and secondary air inlet area, essence
Really the air quantity of adjustment feeding Secondary Air, the exhanst gas outlet setting measuring control point in accumulation of heat second-time burning clean room, send into Secondary Air
Air quantity is required to meet the temperature of exhanst gas outlet setting measuring control point between 850~950 DEG C, and oxygen amount is between 5~6%.
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2017
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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 |
| CN203162937U (en) * | 2013-03-29 | 2013-08-28 | 武汉凯迪工程技术研究总院有限公司 | Water cooling air chamber of biomass circulating fluidized bed boiler |
| CN204388074U (en) * | 2014-12-12 | 2015-06-10 | 华西能源工业股份有限公司 | A kind of isobaric air compartment being applicable to CFB garbage burning boiler |
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Address after: 362000 the 2 floor of 32 new gate Street and 1916 Creative Industrial Park, Licheng District, Quanzhou, Fujian, China, 1916 Applicant after: Yang Song Address before: 362000 No. 135 Cui Hu Road, Hu tou Town, Anxi County, Quanzhou, Fujian Applicant before: Yang Song |
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Application publication date: 20170811 Assignee: Quanzhou green low carbon Research Institute Assignor: Yang Song Contract record no.: 2019350000001 Denomination of invention: Utilization method of heat accumulation secondary combustion purification device for treating solid waste generated after VOCs waste gas adsorption Granted publication date: 20181016 License type: Exclusive License Record date: 20190116 |
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