CN106996566A - One kind processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces - Google Patents
One kind processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces Download PDFInfo
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- CN106996566A CN106996566A CN201710268269.1A CN201710268269A CN106996566A CN 106996566 A CN106996566 A CN 106996566A CN 201710268269 A CN201710268269 A CN 201710268269A CN 106996566 A CN106996566 A CN 106996566A
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- Prior art keywords
- accumulation
- heat
- solid waste
- water
- returning charge
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- 238000009825 accumulation Methods 0.000 title claims abstract description 85
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 45
- 239000002910 solid waste Substances 0.000 title claims abstract description 45
- 239000002912 waste gas Substances 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims description 40
- 150000003839 salts Chemical class 0.000 claims description 31
- 238000009826 distribution Methods 0.000 claims description 21
- 239000003546 flue gas Substances 0.000 claims description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 19
- 239000002893 slag Substances 0.000 claims description 18
- 238000013461 design Methods 0.000 claims description 16
- 238000003491 array Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 13
- 231100000719 pollutant Toxicity 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 14
- 239000010813 municipal solid waste Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 238000010304 firing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000001172 regenerating effect Effects 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 6
- 239000013618 particulate matter Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 238000000197 pyrolysis Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000004939 coking Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000005243 fluidization Methods 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 206010020843 Hyperthermia Diseases 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- -1 application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000036031 hyperthermia Effects 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
- 239000000779 smoke Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 238000004056 waste incineration Methods 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
- 230000003213 activating effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000009413 insulation Methods 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
- 238000004321 preservation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002689 soil Substances 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
- 239000002699 waste material Substances 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
- 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 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
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003818 cinder Substances 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
- 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
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 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
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 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
- 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
- 239000002904 solvent Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 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
- 238000005406 washing Methods 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
- F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
-
- 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
- F23G2203/00—Furnace arrangements
- F23G2203/50—Fluidised bed furnace
- F23G2203/501—Fluidised bed furnace with external recirculation of entrained bed material
Abstract
The present invention relates to volatile organic compound from waste gas Treatment process field, and in particular to one kind processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces, it is characterized in that：Including burner hearth, accumulation of heat returning charge room, spiral feeding assembly.The apparatus cost cost is relatively low, adapt to the improvement demand of different absorption VOCs waste gas solid waste discharge units, the unit with disposition of solid waste qualification need not be sent to be disposed, logistics and cost of disposal are reduced, occurs that pollutant is dropped, the phenomenon such as odor leakage and water clock occurs while avoiding in transportation.
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
Gas solid waste accumulation of heat fluidizing combustion furnace.
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.
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 body 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 with the middle part flue
Device is connected with the burner hearth body respectively, and the back-end ductwork is connected with the flue gas separation unit, the burner hearth body and
Boiler circuit is provided with the back-end ductwork, the boiler circuit is connected with the drum, it is characterised 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
Structure is provided with bottom port for funnelform air distribution plate, the deslagging mouth of pipe and many Wind discharging hats, institute are provided with the air distribution plate
The centre that the deslagging mouth of pipe is arranged on many Wind discharging hats is stated, the angle of inclination of the funnel surface of the air distribution plate is 15 °~25 °, institute
State Adiabatic furnace bottom and be connected with and be provided with First air entrance on air compartment of water cooling, described air compartment of water cooling and be used for
Connection starts the combustion port of burner, and the working medium heating surface of described air compartment of water cooling is connected by pipeline and the drum
Connect, described air compartment of water cooling includes upper collecting chamber, lower header and the membrane type being arranged between the upper collecting chamber and the lower header
Water-cooling wall, the upper collecting chamber, the lower header and the fin panel casing are collectively forming box-shaped air compartment, and the air distribution plate is arranged on
In the upper collecting chamber, described air compartment of water cooling is also associated with scum pipe；Middle part adiabatic furnace, for connecting the top respectively
Water-evaporating furnace and the Adiabatic furnace；Wherein, the middle part adiabatic furnace and the Adiabatic furnace are without heated
Face chamber structure, the heat for preventing from producing after incineration firing is scattered and disappeared, and the heat is used for into the pre- of later stage input rubbish
Heat and light, convection bank is provided with the back-end ductwork, the convection bank is connected with the drum, the convection bank
For the tube bank being spaced substantially equidistant along the back-end ductwork width, the tube bank is in the horizontal direction with horizontal line into 10 °~15 °
Angle.Chinese invention patent（Patent No. 201510997734.6, patent name is 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 type heat exchanger, heat preservation storage water tank, the fused salt stores
Hot stove includes body of heater and is arranged on the perpendicular of the encapsulation fused salt of furnace interior in the way of equilateral triangle or regular hexagon arrangement uniformly
Heat tape is tied with outside pipe, vertical tube tube wall；The conduction oil as heat exchanging fluid is filled with body of heater；The oil storage tank stores with fused salt
Hot stove is connected, for storing conduction oil；Fused salt regenerative furnace is connected with plate type heat exchanger, plate type heat exchanger and heat preservation storage water tank
It is connected.
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 refuse incinerator of circulating fluid bed that conventional example two is designed exists following
Weak point：One is that change is the fin panel casing for eliminating middle part and lower furnace compared with existing CFBB
Deng heating part, to ensure the temperature of burner hearth, advantage is to ensure that rubbish being capable of sustained combustion（Pyrolysis）, have the disadvantage the bed of material（Fluidisation
Layer）Can not be too thick, the thicker bed of material is in this heat-accumulation combustion, and can produce the uneven, localized hyperthermia of fluidisation can produce coking phenomenon, 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 to be not reaching to effective pyrolysis temperature（≥850
℃）；Two assume that burner hearth middle and lower part temperature reaches effective pyrolysis temperature（≥850℃）, garbage fuel thermic load 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 get Geng Gao, the expense of investment will be greatly increased, while also implying that excess air coefficient adds
Greatly, gross contamination emission increases；Three be flue dust in flue gas after material returning device cyclonic separation directly with heating surface hardware
Contact, necessarily causes heating surface hardware by particulate matter erosive wear, and Cl is contained in flue gas-、SO2It is heating surface gold Deng pollutant
Metal elements high temperature corrosion main reason.Fused salt in the fused salt regenerative furnace of conventional example three mainly plays accumulation of heat and heat conductor is made
With being very difficult to apply in solid waste pyrolytic technique field.
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
Hot fluidizing combustion furnace, it is characterized in that：Including burner hearth, accumulation of heat returning charge room, spiral feeding assembly.
The burner hearth includes hearth body, water-cooled distributor, water cooled wind chamber component, start-up burner, scum pipe, the water cooled wind chamber
Component includes cylinder water-cooling wall wall, upper header, lower collecting box, water-cooled distributor, air compartment, and the water-cooled distributor includes water cooling
Pipe, air distribution plate, blast cap.The part bending extension of cylinder water-cooling wall wall water screen tube constitutes the water cooling tube of air distribution plate, water cooling
Fin is designed between pipe to improve cooling effectiveness, the perforate on water cooling tube fin installs the blast cap on blast cap, air distribution plate by just
Rounded projections arranged, blast cap is fixed with air distribution plate by refractory concrete castable, and water cooling tube is pooled to lower collecting box, is formed air compartment and is tilted
The water cooling tube of bottom plate.The cylinder water-cooling wall wall is laid in solid waste heat-accumulation combustion layer（Fluosolids）Hearth outer wall is high
Journey design is higher than solid waste heat-accumulation combustion layer（Fluosolids）30cm.
The accumulation of heat returning charge room includes accumulation of heat returning charge chamber body, high-temperature flue gas outlet, collection slag bath, slag dropping tube, and the accumulation of heat is returned
Material chamber body inwall is designed with fused salt paster, and fused salt patch design is just hexagonal, and close-packed arrays are simultaneously covered with accumulation of heat returning charge chamber body
Wall, fused salt paster is fixed by a pin to be formed on accumulation of heat returning charge chamber body component by refractory concrete cast.
The burner hearth is connected, the spiral shell with building block near accumulation of heat returning charge room between burner hearth, accumulation of heat returning charge room with vortex flue
Feeding assembly design is revolved in lower furnace portion.
Inventor has found that the combustion method of solid waste has layer combustion, Boiling Combustion and suspension combustion three major types, fires
It is more suitable by the way of Boiling Combustion to burn the high absorption VOCs waste gas solid waste of high ash content, lower calorific value, moisture content
Close, according to《Consumer waste incineration contamination control standard》Incineration temperature >=850 DEG C in GB 18485-2014 requirements, burner hearth,
Gas residence time >=2s at a temperature of this, to ensure above-mentioned burning condition, takes following technical scheme：First, with existing skill
Art scheme is compared to heating parts such as the fin panel casings that change is to eliminate burner hearth, to ensure the temperature and solid waste of burner hearth
The residence time of thing, burner hearth fluidized particales thickness is designed as 30cm, it is ensured that solid waste rolled in fluidized particales accumulation of heat combustion
Burn（Pyrolysis）, coking phenomenon can be produced to avoid producing the uneven, localized hyperthermia of fluidisation, 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
Insulation effect of the ash fusion thing to accumulation of heat returning charge room, it is ensured that accumulation of heat returning charge room temperature can be higher compared with burner hearth, accumulation of heat returning charge
Surface is in molten condition to the fused salt paster of chamber interior walls design in high temperature environments, under the adsorption effect of fused salt paster and high
Under the cyclonic separation effect of warm flue gas, ash particles are attached in the fused mass of accumulation of heat returning charge locular wall in flue gas, wherein chloride have
Machine thing, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with the component reaction such as calcium, silicon, magnesium formation high-melting-point slag
Ash falls on collection slag bath along accumulation of heat returning charge locular wall and discharged through slag dropping tube；3rd, burner hearth, accumulation of heat returning charge room ensure solid waste jointly
National respective standard is reached in the residence time of effective temperature, it is ensured that dioxin, HCl, mercury and mercuric compounds, CO, particulate matter
Deng the purification efficiency of pollutant, solid waste is burnt away in accumulation of heat returning charge room equivalent to burner hearth effect, also makes burner hearth need not
Design is 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 well mixed it is sintered form, fused salt
K in paster2SO4、Na2SO4Component its surface at 850~950 DEG C is in molten condition, fused salt paster is had very big table
Ash particles in flue gas are produced adhesion, can trap the ash that accumulation of heat returning charge locular wall is thrown to through cyclonic separation by face adhesive force
In cinder particle, ash particles undecomposed chlorinated organics, organic fluorocompound, sulfurous organic compound burn away herein decomposition and with
The component reactions such as calcium, silicon, magnesium formation high-melting-point slag ash, comes off under the washing away of high-temperature flue gas and falls 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 more than 850 DEG C
The residence time is pyrolyzed 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）, produce at high temperature a series of
Complicated combination reaction, the salt of environmental sound is ultimately produced to reach the purpose of pollutant decrement.
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, and reduction is returned from accumulation of heat
The probability that material chamber body comes off.
Inventor has found, burner hearth is connected Flue duct design with accumulation of heat returning charge room for vortex flue, 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 improve fused salt patch
The efficiency of the trapping ash particles of piece, characteristic contamination chlorinated organics, organic fluorocompound, the sulfur-bearing adsorbed in particulate matter has
Machine thing generates the salt of environmental sound with the component reaction such as calcium, silicon, magnesium under the high temperature conditions.
Relative to prior art, the present invention, which at least contains, to be had 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, with the stop of the temperature and solid waste that ensure burner hearth
Time, burner hearth fluidized particales thickness is designed as 30cm, it is ensured that solid waste is rolled heat-accumulation combustion in fluidized particales（Pyrolysis）,
Coking phenomenon can be produced to avoid producing the uneven, localized hyperthermia of fluidisation, design cylinder water-cooling wall wall lays whole solid and given up
Gurry heat-accumulation combustion layer（Fluosolids）Hearth outer wall and air distribution plate, air compartment；3rd, burner hearth near accumulation of heat returning charge room with building block, stove
The insulation effect of heat transfer and ash fusion thing between thorax and accumulation of heat returning charge room to accumulation of heat returning charge room, it is ensured that accumulation of heat returning charge room temperature
Degree can be higher compared with burner hearth, and surface is in molten condition to the fused salt paster of accumulation of heat returning charge chamber interior walls design in high temperature environments, molten
Under lower and high-temperature flue gas the cyclonic separation effect of the adsorption effect of salt paster, ash particles are attached on accumulation of heat returning charge in flue gas
In the fused mass 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 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 to design very high, has saved investment
Expense；5th, because apparatus cost cost is relatively low, adapting to the improvement of different absorption VOCs waste gas solid waste discharge units needs
Ask, be disposed without being sent to the unit with disposition of solid waste qualification, reduction logistics and cost of disposal are avoided simultaneously
Occur that pollutant is dropped, the phenomenon such as odor leakage and water clock occurs in transportation；6th, given up using VOCs waste gas solid is adsorbed
Gurry combustible component combustion decomposition heat release, is substantially effectively utilized the remaining calorific value of absorption VOCs waste gas solid waste,
Both the discharge of pollutant had been reduced, the energy has been saved again；7th, whole device is maximum in closed working environment automatic running
Limit avoids pollutant to environmental effects.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces.
Fig. 2 is a kind of overlooking the structure diagram for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces.
Fig. 3 is a kind of A partial enlargement arrangements for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces
Schematic diagram.
Fig. 4 is a kind of B partial enlargement structural representations for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces
Figure.
Fig. 5 is a kind of C partial enlargement structural representations for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces
Figure.
Fig. 6 is a kind of D partial enlargement structural representations for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces
Figure.
Fig. 7 is a kind of E partial enlargement structural representations for handling absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces
Figure.
1- burner hearth 2- accumulation of heat returning charges room 3- spiral feeding assembly 4- water-cooled distributors
5- scum pipe 6- start-up burner 7- high-temperature flue gas outlet 8- accumulation of heat returning charge chamber bodies
9- hearth body 10- collection slag bath 11- water cooled wind chamber component 12- slag dropping tubes
13- upper header 14- cylinder water-cooling wall wall 15- air compartment 16- lower collecting box
17- air distribution plate 18- water cooling tube 19- blast cap 20- fused salt paster 21- pins
22- vortex flues.
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, one kind processing absorption VOCs waste gas solid waste accumulation of heats
Fluidizing combustion furnace, it is characterized in that：Including burner hearth 1, accumulation of heat returning charge room 2, spiral feeding assembly 3.
The burner hearth 1 includes hearth body 9, water-cooled distributor 4, water cooled wind chamber component 11, start-up burner 6, scum pipe 5, described
Water cooled wind chamber component 11 includes cylinder water-cooling wall wall 14, upper header 13, lower collecting box 16, water-cooled distributor 4, air compartment 15, described
Water-cooled distributor 4 includes water cooling tube 18, air distribution plate 17, blast cap 19.The part bending of the water screen tube of cylinder water-cooling wall wall 14
Extension constitutes and is designed with fin between the water cooling tube 18 of air distribution plate 17, water cooling tube 18 to improve cooling effectiveness, in the fin of water cooling tube 18
Perforate on piece, 17 blast caps 19 installed on blast cap 19, air distribution plate press equilateral triangle arrangement, and blast cap 19 is mixed with air distribution plate 17 by fire resisting
Solidifying soil castable is fixed, and water cooling tube 18 is pooled to lower collecting box 16, forms the water cooling tube 18 of the inclined floor of air compartment 15.The cylindrical shape
Water-cooled wall 14 is laid in solid waste heat-accumulation combustion layer（Fluosolids）The outer wall of burner hearth 1, elevation design is higher than solid waste
Heat-accumulation combustion layer（Fluosolids）30cm.
The accumulation of heat returning charge room 2 includes accumulation of heat returning charge chamber body 8, high-temperature flue gas outlet 7, collection slag bath 10, slag dropping tube 12, described
The inwall of accumulation of heat returning charge chamber body 8 is designed with fused salt paster 20, and fused salt paster 20 is designed as just hexagonal, and close-packed arrays are simultaneously covered with accumulation of heat
The inwall of returning charge chamber body 8, fused salt paster 20 is fixed on by pin 21 and forms the component of accumulation of heat returning charge chamber body 8 by refractory concrete cast
On.
The burner hearth 1 is connected with building block near accumulation of heat returning charge room 2 between burner hearth 1, accumulation of heat returning charge room 2 with vortex flue 22,
The spiral feeding assembly 3 is designed in the bottom of burner hearth 1.
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 (6)
1. one kind processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces, it is characterized in that：Including burner hearth, accumulation of heat returning charge
Room, spiral feeding assembly；Burner hearth includes hearth body, water-cooled distributor, water cooled wind chamber component, start-up burner, scum pipe, water cooling
Air compartment component includes cylinder water-cooling wall wall, upper header, lower collecting box, water-cooled distributor, air compartment, and water-cooled distributor includes water cooling
Pipe, air distribution plate, blast cap；Accumulation of heat returning charge room includes accumulation of heat returning charge chamber body, high-temperature flue gas outlet, collection slag bath, slag dropping tube.
2. a kind of processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces according to claim 1, its feature
It is：The part bending extension of cylinder water-cooling wall wall water screen tube constitutes the water cooling tube of air distribution plate, and water cooling tube is pooled to the second line of a couplet
Case, forms the water cooling tube of air compartment inclined floor.
3. a kind of processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces according to claim 1, its feature
It is：The cylinder water-cooling wall wall is laid in solid waste heat-accumulation combustion layer（Fluosolids）Hearth outer wall, elevation design is higher than
Solid waste heat-accumulation combustion layer（Fluosolids）30cm.
4. a kind of processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces according to claim 1, its feature
It is：Fin is designed between water cooling tube to improve cooling effectiveness, the perforate on water cooling tube fin is installed on blast cap, air distribution plate
Blast cap presses equilateral triangle arrangement, and blast cap is fixed with air distribution plate by refractory concrete castable.
5. a kind of processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces according to claim 1, its feature
It is：Accumulation of heat returning charge chamber body inwall is designed with fused salt paster, and fused salt patch design is just hexagonal, and close-packed arrays are simultaneously covered with accumulation of heat and returned
Expect chamber body inwall, fused salt paster is fixed by a pin to be formed on accumulation of heat returning charge chamber body component by refractory concrete cast.
6. a kind of processing absorption VOCs waste gas solid waste accumulation of heat fluidizing combustion furnaces according to claim 1, its feature
It is：The burner hearth is connected, spiral charging group with building block near accumulation of heat returning charge room between burner hearth, accumulation of heat returning charge room with vortex flue
Part is designed in lower furnace portion.
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Cited By (1)
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| CN110615615A (en) * | 2019-09-09 | 2019-12-27 | 广东生活环境无害化处理中心有限公司 | High and low temperature corrosion resistant enamel material, preparation method and application thereof, and high temperature boiling rotary grate furnace device |
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