CN106224970A - Cavity combustion chamber in stoker fired grate formula refuse gasification CIU and inverted cone-shaped - Google Patents

Cavity combustion chamber in stoker fired grate formula refuse gasification CIU and inverted cone-shaped Download PDF

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Publication number
CN106224970A
CN106224970A CN201610801181.7A CN201610801181A CN106224970A CN 106224970 A CN106224970 A CN 106224970A CN 201610801181 A CN201610801181 A CN 201610801181A CN 106224970 A CN106224970 A CN 106224970A
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CN
China
Prior art keywords
flue
inverted cone
gasification furnace
incinerator
combustion chamber
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Application number
CN201610801181.7A
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Chinese (zh)
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CN106224970B (en
Inventor
杨鲁
林顺洪
李长江
徐�明
肖大志
周雄
丁又青
胡桂川
胡文金
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Chongqing Sanfeng Environment Group Co ltd
Chongqing University of Science and Technology
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Chongqing University of Science and Technology
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Priority to CN201610801181.7A priority Critical patent/CN106224970B/en
Publication of CN106224970A publication Critical patent/CN106224970A/en
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Publication of CN106224970B publication Critical patent/CN106224970B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/442Waste feed arrangements
    • F23G5/444Waste feed arrangements for solid waste
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50Control or safety arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/027Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00Blast-producing apparatus before the fire
    • F23L5/02Arrangements of fans or blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00Passages or apertures for delivering secondary air for completing combustion of fuel 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/40Intercepting solids by cyclones
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/60Intercepting solids using settling/precipitation chambers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Incineration Of Waste (AREA)

Abstract

The invention discloses cavity combustion chamber in a kind of stoker fired grate formula refuse gasification CIU and inverted cone-shaped, in inverted cone-shaped, the inner chamber of cavity combustion chamber includes the burning gallery set gradually from top to bottom, conial channel, flying dust expansion chamber, taper slag notch and the ring smoke passage arranged around conial channel, annular vent flue, conial channel is up-small and down-big, the diameter of flying dust expansion chamber is more than the diameter of conial channel lower end, ring smoke passage is up-small and down-big taper, the lower end of ring smoke passage connects with flying dust expansion chamber, the lower end of annular vent flue connects with the upper end of ring smoke passage, taper slag notch is up big and down small.Use cavity combustion chamber in this inverted cone-shaped, there is higher efficiency of dust collection and efficiency of combustion, higher heat recovery efficiency, it is possible to realize controlled burning and controlled collection, reduce thermal losses, and pollutant emission can be efficiently reduced.

Description

Cavity combustion chamber in stoker fired grate formula refuse gasification CIU and inverted cone-shaped
Technical field
The invention belongs to solid waste incineration processing technology field, particularly relate to a kind of stoker fired grate formula refuse gasification and burn Cavity combustion chamber in burning system and inverted cone-shaped.
Background technology
Existing technology of garbage disposal mainly has burning, sanitary landfills, compost, waste recovery etc..Conventional in garbage disposal In technology, it is obvious that burning disposal has reduced training, innoxious thoroughly, occupation of land amount is little, and waste heat energy is obtained by, and secondary pollution is few Etc. advantage, meet the strategic requirement of China's sustainable development.But along with both at home and abroad environmental requirement being improved constantly, how to strengthen Control to secondary pollution is particularly important.Therefore, refuse pyrolysis gasification burning technology is gradually shifted onto the road of industrial applications On, primarily now using all kinds of incineration technology especially for domestic rubbish, the industrialization widely of gasification burning technology will The technological innovation bringing domestic garbage disposal industry is regenerated.
For many years, China's scientific research to the gasification burning technology such as biomass, rubbish, it is in progress a lot of, the base of laboratory Plinth research is a lot, also has applied research, such as: rotary kiln type, the vertical and destructive gasifying of fluidized bed type or temperature gasification and high melt skill Art etc..But Technique Popularizing application is upper or there is a definite limitation, raw material type, garbage treatment quantity, secondary pollution control and economical Benefits etc. are principal elements.
In existing burning process and equipment, fire grate type incinerator is various informative, and its application accounts for whole world waste incineration More than the 80% of the total market size, wherein has and uses mechanical type backstepping fire grate, forwards fire grate or combined fire grate in body of heater, also adopt With the fire grate such as chain-plate type and drum-type.
In sum, typical incinerator, it is respectively arranged with himself advantage, but needs solution in the actual application of China Problem and shortage:
1., for characteristics such as China's house refuse water content height, complicated components, the technology of moving hearth uses, to rubbish Conveying capacity needs emphasis to consider.
2. being on the increase along with refuse production, sanitary fill such as mountain, garbage treatment quantity must be effectively improved, Could meeting the market requirement.
3., in the face of strict pollutant emission requirement, secondary pollution controls the key problem being technically need to solve.
4., in order to effectively increase economic efficiency, in rubbish heat treatment process, the organic efficiency of heat needs to improve.Existing Rubbish heat treatment technics generally use boiler to produce steam to shift steam turbine power generation onto, whole transition heat efficiency losses is relatively big, place Manage identical quantity of refuse, relatively reduce thermal losses and raising heat exchanger effectiveness just can improve the thermal efficiency.
5. during conventional garbage burns mode and boiler applications, high-temperature dust removal is less or does not has, and some efficiency is the most not high enough, high It is less that effect dedusting and burning are had both, and the easy dust stratification of boiler makes thermal conversion efficiency decline, thus lower power production, maintenance period is short Deng.
Existing incinerator such as following two patent of invention: multiple row sectional drive combined type domestic garbage incinerator (ZL200710092508.9) an open question and in two-stage garbage incinerator (ZL201010268376.2): at rubbish heat Reason model comparision falls behind, and be simply dried-burns-burns, the process of solid combustion release heat;In stove, thermal chemical reaction is with oxidation Reaction is main, and reduction reaction assists, and is easily generated secondary pollution;When rubbish burns in stove, cross oxygen quotient big, First air, two Secondary wind infeed amount is big, and in flue gas, dust content is higher, affects heat reclaiming system and smoke processing system relatively big, easily amasss Ash, exhaust gas volumn is relatively big, reduces thermal conversion efficiency;The gasification furnace not being separately provided and incinerator, can only process rubbish by several times, Cannot realize large-scale rubbish continuous gasification burning disposal, garbage treatment quantity is less.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of stoker fired grate formula refuse gasification CIU With cavity combustion chamber in inverted cone-shaped, in inverted cone-shaped, cavity combustion chamber has higher efficiency of dust collection and efficiency of combustion, it is possible to realize controlled Burning and controlled dedusting, it is possible to reducing thermal losses, the organic efficiency of heat is higher, and can efficiently reduce pollutant emission.
The object of the present invention is achieved like this:
Cavity combustion chamber in a kind of inverted cone-shaped, arranges combustion chamber ignition on the top board of cavity combustion chamber in described inverted cone-shaped combustion-supporting Hole, the upper end edge tangentially-arranged inverted cone-shaped inner chamber entry of combustion chamber of described inverted cone-shaped inner chamber sidewall of combustion chamber, in described inverted cone-shaped Burning gallery that the inner chamber of cavity combustion chamber includes setting gradually from top to bottom, conial channel, flying dust expansion chamber, taper slag notch with And around conial channel arrange ring smoke passage, annular vent flue, described ring smoke passage, annular vent flue with Separated by annular inducing QI pier between conial channel, the sidewall of described burning gallery arranges some combustion airs and supplies air port, described Each combustion air is respectively positioned on the lower section of inverted cone-shaped inner chamber entry of combustion chamber for air port, and described conial channel is up-small and down-big, described flying dust The diameter of expansion chamber is more than the diameter of conial channel lower end, and described ring smoke passage is up-small and down-big taper, ring smoke The lower end of passage connects with flying dust expansion chamber, and the lower end of described annular vent flue connects with the upper end of ring smoke passage, falls Arrange tangential outlet flue on the sidewall of tapered interior cavity combustion chamber to connect with annular vent flue, big on described taper slag notch under Little.
Preferably, the top of described ring smoke passage is circumferentially arranged some up-narrow and down-wide point gas piers, adjacent point Narrow wide flue gas ring road under being formed between gas pier.
Preferably, described inverted cone-shaped inner chamber entry of combustion chamber is connected to feed the high-temperature flue of high-temperature flue gas, described height Arranging smoke movement parameter acquisition unit on temperature flue, described inverted cone-shaped inner chamber entry of combustion chamber arranges variable synthesis flue gas and enters Mouthful, described smoke movement parameter acquisition unit includes that sensing receives and signal processing unit, cooling unit, heat insulation pedestal and sensing Element, described heat insulation pedestal is fixed on the tube wall of high-temperature flue, and described sensing element is along the side being perpendicular to high-temperature flue axis To being fixed on heat insulation pedestal, the measurement end of sensing element stretches in high-temperature flue, and described sensing receives and signal processing unit Being fixed on one end that sensing element is positioned at outside high-temperature flue, sensing receives and signal processing unit records high temperature by sensing element Flue gas flow in flue, flow velocity, described cooling unit is enclosed in sensing element and is positioned at heat insulation pedestal, sensing reception and signal On between reason unit one section, described variable synthesis gas approach includes actuator, fire-resistant bore adjustment seat, described resistance to burner One end of footpath adjustment seat is stretched in inverted cone-shaped inner chamber entry of combustion chamber, and the other end connects actuator, also includes the first flue gas group Go-on-go surveys device and control unit, and described first flue gas composition detection device is arranged on high-temperature flue for detecting high-temperature flue Interior flue gas composition, described control unit detects device, sensing reception and signal processing unit respectively, holds with the first flue gas composition Row mechanism electrically connects, and control unit processes smoke movement parameter, synthesis flue gas composition parameter, and fire-resistant by actuating mechanism controls Stretching of bore adjustment seat, and then control the pore size of variable synthesis gas approach.
Preferably, described variable synthesis gas approach also includes that fireproof flue, heat-insulating and sealing, compression thermal insulation layer, high temperature are close Envelope, the cross section of described fireproof flue is U-shaped, and the opening of fireproof flue seals by compressing thermal insulation layer, and described fire-resistant bore is adjusted Joint seat stretches in fireproof flue through compressing thermal insulation layer, and described fire-resistant bore conditioned seat width of one end in fireproof flue is big In fire-resistant bore conditioned seat in the width of the outer one end of fireproof flue, arrange between fire-resistant bore adjustment seat and fireproof flue sidewall Elevated-temperature seal, arranges heat-insulating and sealing between fire-resistant bore adjustment seat and compression thermal insulation layer.
A kind of stoker fired grate formula refuse gasification CIU, including incinerator, described incinerator includes grate, And feed hopper, gasification furnace and the incinerator set gradually along feedstock direction on grate, the rear of gasification furnace is gasification furnace Fall cinder notch, and incinerator is positioned at gasification furnace and falls the front lower place of cinder notch, and the rear of incinerator is the slag notch of incinerator, on described grate Being provided with garbage pusher device, described garbage pusher device is positioned at the lower section of feed hopper, for the rubbish in feed hopper is pushed gasification furnace In, being respectively arranged below with at least one and be independently arranged once of the lower section of gasification furnace moving hearth and incinerator moving hearth Air compartment, is provided with windrow seal section between described feed hopper, gasification furnace, the grate part between described gasification furnace and incinerator is stayed Having transition to fall slag section, the described transition slag section that falls is provided with residue pusher, for being pushed by the rubbish residue fallen in gasification furnace In incinerator;
Described gasification furnace, incinerator include furnace shell, moving hearth respectively, and the forward and backward side of described gasification furnace passes through heap respectively Material seal section, the transition slag section that falls seals, and described transition falls slag section isolation gasification furnace, incinerator, makes gasification furnace, incinerator the most only Vertical;
Described gasification furnace, incinerator, respectively in the shape that arches upward, the face arch of described gasification furnace, rear arch are respectively provided with secondary air feed Mouthful, the vault of described gasification furnace arranges the first exhanst gas outlet, and the vault of described incinerator arranges the second exhanst gas outlet, described gasification Igniting combustion supporting hole it is respectively equipped with on stove, incinerator;
Also include cavity combustion chamber in inverted cone-shaped, described inverted cone-shaped inner chamber entry of combustion chamber and the connection of the first exhanst gas outlet;
Also including circulating air feed system, described circulation air feed system includes dust arrester, the first blower fan, the second blower fan, institute Stating the inlet end of dust arrester to be connected with the second exhanst gas outlet by pipeline, pipeline and the is passed through in the outlet side of described dust arrester The inlet end of one blower fan connects, and the outlet side of described first blower fan connects the house steward of the first manifold, the arm of described first manifold Connect for air port with the secondary on each air compartment of the lower section of gasification furnace moving hearth and gasification furnace face arch, rear arch respectively, The first regulation valve it is respectively provided with on each arm of described first manifold, the air inlet of described second blower fan and atmosphere, described The gas outlet of the second blower fan connects the house steward of the second manifold, the arm of described second manifold respectively with incinerator moving hearth below Each air compartment and the inlet end of dust arrester, outlet side connection, each arm of described second manifold is respectively provided with the Two regulation valves, also include that the 3rd manifold, the described house steward of the 3rd manifold connect with the gas outlet of the second blower fan, described 3rd manifold Each arm connect for air port with each combustion air respectively, each arm of the 3rd manifold is respectively provided with the 3rd and regulates valve.
Preferably, described first manifold also has an arm being connected with inverted cone-shaped inner chamber entry of combustion chamber, this arm Being provided with the regulation valve of correspondence, the remainder flue gas not utilized of the first blower fan extraction is entered by cavity combustion chamber in inverted cone-shaped Mouth is injected into cavity combustion chamber in inverted cone-shaped, and by corresponding regulation valve regulation wind supply quantity.
Preferably, the arm that described first manifold is connected with inverted cone-shaped inner chamber entry of combustion chamber is provided with flue gas amount detection device Put, the second flue gas composition detects device, described flue gas amount detecting device, the second flue gas composition detection device and the 3rd regulation valve Electrically connecting with control unit respectively, described control unit processes the synthesis flue gas composition ginseng that the second flue gas composition detection device gathers The synthesis flue gas flow parameter that number and flue gas amount detecting device gather, and by the 3rd governor valve control combustion air wind supply quantity.
High-temperature flue gas in order to effectively discharge incinerator carries out dedusting, it is preferable that described dust arrester is that whirlwind divides From device or hot precipitator;Described first blower fan is high-temperature blower, is beneficial to work in high temperature environments, and described second blower fan is Aerator.
In order to prevent altering wind between gasification furnace, incinerator, it is preferable that described transition fall be provided with in slag section to be opened/closed every From door, described isolating door is for cutting off gasification furnace, incinerator.
In order to preferably adapt to the installing space in factory, it is preferable that the face arch of described gasification furnace is flat construction, or Person, the face arch of gasification furnace is that rear end is inclined upwardly structure.
Owing to have employed technique scheme, there is advantages that
Flying dust expansion chamber external drum, back taper passage is up-small and down-big, volume increase, pressure reduce, flow velocity reduce, add whirlwind from Mental power function, promotes flying dust sedimentation further;Flying dust expansion chamber volume increases further, and dust removing effects is further;Annular cigarette Gas passage flue gas size is gradually reduced, and flue gas is up, and flying dust, from resedimentation, enters trapezoidal flue gas ring road, reduces the suction of flying dust Going out, dedusting is more favourable;Due to the pyramidal structure of ring smoke passage, the least the closer to discharge area, wide at the top and narrow at the bottom flue gas Ring road makes high-temperature flue gas flow velocity in ring smoke passage uniform.Burning gallery section cyclonic separation dedusting, back taper passage, flying dust sedimentation Room, ring smoke passage, ring road arrange combination and improve efficiency of dust collection, synthesize flue gas and obtain being sufficiently mixed combustion during dedusting Burn, improve efficiency of combustion.
Control unit processes smoke movement parameter (speed, flow, fluid force etc.), synthesis flue gas composition and high-temperature blower and goes out Mouthful to the flue gas composition of cavity combustion chamber in inverted cone-shaped and flow, control actuator regulation gas approach aperture, control to help simultaneously Combustion air capacity, it is achieved synthesis exhaust gas volumn that in waste component and heat treatment process, unstability is brought and component etc. fluctuate Regulation, thus control smoke inlet initial velocity and combustion-supporting oxygen-supplying amount well, to reach the purpose of high-effective dust-removing and burning.Control unit Control variable synthesis gas approach actuator: purely mechanic transmission, mechanical parameter enlarger, then drive actuator, perform In hgher efficiency.
Aerator blasts air and provides First air for incinerator and provide homoiothermic air feed for cyclone separator, high-temperature blower, By the second regulation valve regulation wind supply quantity on corresponding pipeline, incinerator residue is made fully to burn;Then, high-temperature blower extraction combustion The flue gas of cinder stove, after homoiothermic and cyclone collection flying dust, forms the flue gas supply gasification furnace of certain pressure once Wind and secondary wind, by the first regulation valve regulation wind supply quantity on corresponding pipeline, in making gasification furnace, rubbish produces gasification, containing one The quantitatively flue gas of synthesis gas, discharges from the first exhanst gas outlet, enters cavity combustion chamber processing links in inverted cone-shaped, and inverted cone-shaped inner chamber fires Burn room and high-temperature flue gas is provided.Present inventive concept is novel, and garbage treatment quantity is big, and the rubbish bed of material experiences dry, gas on stoker fired grate Change and the stage that burns of residue, adapt to the characteristics such as China's house refuse water content height, complicated component, improve garbage processing procedure In energy conversion efficiency and reduce pollutant discharge amount in flue gas, effectively prevent secondary pollution, and be capable of large-scale Rubbish continuous gasification burning disposal, it is ensured that refuse gasification burns effect and lime-ash clinker ignition loss, reduces thermal losses and raising relatively Heat exchanger effectiveness, improves the thermal efficiency.
Gasification furnace, incinerator are provided separately, and the vault of gasification furnace arranges the first exhanst gas outlet, and the vault of incinerator arranges Two exhanst gas outlets, are beneficial to process flue gas respectively according to the difference of flue gas quality, are conducive to flue gas ash removal, it is provided that more simultaneously The flue gas of high-quality, the utilization rate making flue gas is higher, and the waste residue of discharge is less.
Accompanying drawing explanation
Fig. 1 is the structural representation of cavity combustion chamber in inverted cone-shaped;
Fig. 2 is the structural representation of smoke movement parameter acquisition unit;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 is the B-B cross-sectional schematic of Fig. 1;
Fig. 5 is the C-C cross-sectional schematic of Fig. 4;
Fig. 6 is the structural representation of stoker fired grate formula refuse gasification CIU.
Reference
1 is incinerator, and 101 is grate, and 102 is feed hopper, and 103 is gasification furnace, and 104 is incinerator, and 105 is stove Bed, 106 is garbage pusher device, and 107 is an air compartment, and 108 is windrow seal section, and 109 fall slag section for transition, and 110 push away for residue Glassware, 111 is isolating door, and 112 is the first exhanst gas outlet, and 113 is the second exhanst gas outlet, and 114 is igniting combustion supporting hole, and 115 is two Secondary for air port, 116 is slag notch, and 117 is the cinder notch that falls;
2 is circulation air feed system, and 201 is dust arrester, and 202 is the first blower fan, and 203 is the second blower fan, and 204 is the first discrimination Pipe, 205 is the second manifold, and 206 is the 3rd manifold, and 207 is the first regulation valve, and 208 is the second regulation valve, and 209 is the 3rd regulation Valve;
3 is cavity combustion chamber in inverted cone-shaped, and 301 is combustion chamber ignition combustion-supporting hole, and 302 is taper slag notch, and 303 is inverted cone-shaped Inner chamber entry of combustion chamber, 304 is tangential outlet flue, and 305 supply air port for combustion air, and 306 is burning gallery, and 307 is conial channel, 308 is flying dust expansion chamber, and 309 is ring smoke passage, and 310 is annular vent flue, and 311 is annular inducing QI pier, and 312 is a point gas Pier, 313 is flue gas ring road, and 314 is high-temperature flue, and 315 receive and signal processing unit for sensing, and 316 is cooling unit, 317 For heat insulation pedestal, 318 is sensing element, and 319 is actuator, and 320 is fire-resistant bore adjustment seat, and 321 is the first flue gas composition Detection device, 322 is control unit, and 323 is fireproof flue, and 324 is heat-insulating and sealing, and 325 for compressing thermal insulation layer, and 326 is high temperature Sealing, 327 is flue gas amount detecting device, and 328 is the second flue gas composition detection device.
Detailed description of the invention
Seeing Fig. 1 to Fig. 5, for a kind of preferred embodiment of cavity combustion chamber in inverted cone-shaped, described inverted cone-shaped inner chamber burns Arranging combustion chamber ignition combustion-supporting hole 301 on the top board of room 3, in described inverted cone-shaped, the upper end edge of cavity combustion chamber 3 sidewall is tangentially-arranged Inverted cone-shaped inner chamber entry of combustion chamber 303, in described inverted cone-shaped, the inner chamber of cavity combustion chamber 3 includes the burning set gradually from top to bottom Passage 306, conial channel 307, flying dust expansion chamber 308, taper slag notch 302 and the annular arranged around conial channel 307 Exhaust gases passes 309, annular vent flue 310, described ring smoke passage 309, annular vent flue 310 and conial channel 307 Between separated by annular inducing QI pier 311, the sidewall of described burning gallery 306 arranges some combustion airs for air port 305, described Each combustion air is respectively positioned on the lower section of inverted cone-shaped inner chamber entry of combustion chamber 303 for air port 305, and described conial channel 307 is up-small and down-big, The diameter of described flying dust expansion chamber 308 more than the diameter of conial channel 307 lower end, described ring smoke passage 309 present little under Big taper, the lower end of ring smoke passage 309 connects with flying dust expansion chamber 308, the lower end of described annular vent flue 310 with The upper end connection of ring smoke passage 309, the top of described ring smoke passage 309 is circumferentially arranged have some up-narrow and down-wide Divide gas pier 312, narrow wide flue gas ring road 313 under being formed between adjacent point of gas pier 312.The sidewall of cavity combustion chamber 3 in inverted cone-shaped On tangential outlet flue 304 be set connect with annular vent flue 310, described taper slag notch 302 is up big and down small.
Described inverted cone-shaped inner chamber entry of combustion chamber 303 is connected to feed the high-temperature flue 314 of high-temperature flue gas, described high temperature Arranging smoke movement parameter acquisition unit on flue 314, described inverted cone-shaped inner chamber entry of combustion chamber 303 arranges variable synthesis flue gas Import, described smoke movement parameter acquisition unit includes that sensing receives and signal processing unit 315, cooling unit 316, heat insulation base Seat 317 and sensing element 318, described heat insulation pedestal 317 is fixed on the tube wall of high-temperature flue 314, described sensing element 318 edge The direction being perpendicular to high-temperature flue 314 axis is fixed on heat insulation pedestal 317, and the measurement end of sensing element 318 stretches into high temperature cigarette In road 314, described sensing reception and signal processing unit 315 are fixed on that sensing element 318 is positioned at outside high-temperature flue 314 End, sensing receives and signal processing unit 315 records the flue gas flow in high-temperature flue 314, flow velocity by sensing element 318, Described cooling unit 316 is enclosed in sensing element 318 and receives and between signal processing unit 315 in heat insulation pedestal 317, sensing One section on, described heat insulation pedestal 317, cooling unit 316 prevent high-temperature flue 314 heat conduction to sensing receive and signal Processing unit 315.Described variable synthesis gas approach includes actuator 319, fire-resistant bore adjustment seat 320, described execution machine Structure 319 can use cylinder, oil cylinder etc..Inverted cone-shaped inner chamber entry of combustion chamber 303 is stretched in one end of described fire-resistant bore adjustment seat 320 In, the other end connects actuator 319, also includes the first flue gas composition detection device 321 and control unit 322, and described first The flue gas composition that flue gas composition detection device 321 is arranged on high-temperature flue 314 in detecting high-temperature flue 314, described control Unit 322 processed receives and signal processing unit 315, actuator 319 with the first flue gas composition detection device 321, sensing respectively Electrical connection, control unit 322 processes smoke movement parameter, synthesis flue gas composition parameter, and controls fire-resistant by actuator 319 Stretching of bore adjustment seat 320, and then control the pore size of variable synthesis gas approach.
In the present embodiment, described variable synthesis gas approach also include fireproof flue 323, heat-insulating and sealing 324, compress heat insulation Layer 325, elevated-temperature seal 326, described fireproof flue 323, elevated-temperature seal 326 can use conventional exotic material to make, described every Heat seal 324, compression thermal insulation layer 325 can use conventional heat-barrier material to make.The cross section of described fireproof flue 323 is U-shaped, resistance to The opening of fire flue 323 seals by compressing thermal insulation layer 325, and described fire-resistant bore adjustment seat 320 is stretched through compressing thermal insulation layer 325 Entering in fireproof flue 323, described fire-resistant bore adjustment seat 320 is positioned at the width of fireproof flue 323 one end more than fire-resistant bore Adjustment seat 320 is positioned at the width of the outer one end of fireproof flue 323, sets between fire-resistant bore adjustment seat 320 and fireproof flue 323 sidewall Put elevated-temperature seal 326, between fire-resistant bore adjustment seat 320 and compression thermal insulation layer 325, heat-insulating and sealing 324 is set.
See Fig. 6, for a kind of preferred embodiment of stoker fired grate formula refuse gasification CIU, including incinerator 1, described incinerator 1 includes grate 101, and set gradually along feedstock direction on grate 101 feed hopper 102, gas Changing stove 103 and incinerator 104, the rear of incinerator 104 is the slag notch of incinerator 104, and gasification furnace 103 is mainly to rubbish Carbon-containing part gasifies, and discharges flammable gasification flue gas and rubbish residue, and incinerator 104 is substantially carried out at the burning of carbon residue Reason, and discharge innoxious lime-ash.The siege 105 of gasification furnace 103 and incinerator 104 all uses the mechanical kiln that segmentation independently drives Row's formula moving hearth 105, the fire grate of stoker fired grate formula moving hearth 105 is by weight before and after moving grate plate and fixed grate plate Folded, collect alternately and form, adjacent many groups moving grate plate is connected by pull bar, uses a set of driving means to drive.Machine Tool grate-type moving hearth 105 is as the carrier of conveying garbage, and its embodiment can be all types of moving hearths 105, such as chain Board-like, drum-type, multisection type fire grate system etc..
Described grate 101 is provided with garbage pusher device 106, and described garbage pusher device 106 is positioned at the lower section of feed hopper 102, For the rubbish in feed hopper 102 is pushed in gasification furnace 103, the lower section of gasification furnace 103 moving hearth 105 and incinerator 104 moving hearths 105 be respectively arranged below with at least one air compartment 107 being independently arranged, in the present embodiment, with gasification furnace The fire grate of air compartment 107 correspondence of 103 first halfs, driving means, as the dryer section of gasification furnace 103 siege 105, with gasification The latter half of fire grate of air compartment 107 correspondence of stove 103, driving means are as the gasification section of gasification furnace 103 siege 105.Gasification The dryer section of stove 103 siege 105, gasification section can be respectively adopted 1-2 independent air compartment 107 air feed, it is also possible to respectively Use 3-4 independent air compartment 107 air feed.Certainly, fire grate, driving means and an air compartment 107 also can not be correspondingly arranged, Preferably on regulation moving hearth 105, the bed of material moves and air distribution relation.Incinerator 104 can use 1-4 independent First air Room 107 air feed, burns rear lime-ash and gets rid of from slag notch, enter next step treatment process.
Being provided with windrow seal section 108 between described feed hopper 102, gasification furnace 103, garbage pusher device 106 work enters at position In windrow seal section 108, garbage raw material is put into from feed hopper 102 and is fallen, and garbage pusher device 106 retreats, then advances, the most Secondary pusher forms windrow at windrow seal section 108, makes gasification furnace 103 entrance be in windrow sealing state, strengthens gasification furnace 103 close Envelope effect, solves garbage pusher device 106 and the easy leakage problem of feed hopper 102.When needing complete prepurging to dispose all rubbish, Garbage pusher device 106 forward impelling half stroke again, is pushed completely into rubbish in gasification furnace 103, makes gasification furnace 103 entrance lose Windrow sealing effectiveness.Leave transition in grate 101 part between described gasification furnace 103 and incinerator 104 to fall slag section 109, institute State the transition slag section 109 that falls and be provided with residue pusher 110, for the rubbish residue fallen in gasification furnace 103 is pushed incinerator In 104, the transition slag section 109 that falls can be at windrow sealing state when piling up rubbish residue, strengthens gasification furnace 103 sealing effectiveness, Solve to go here and there between gasification furnace 103, incinerator 104 problem of wind.In the present embodiment, described transition falls, and be provided with in slag section 109 can The isolating door 111 of opening and closing, described isolating door 111 is for cutting off gasification furnace 103, incinerator 104.The furnace lifting initial stage or need control When altering wind between gasification furnace 103 processed and incinerator, close isolating door 111, stack a certain amount of residue when the slag section that falls and form windrow After sealing, isolating door 111 can be kept to open, the residue pusher 110 arranged with lower section is coordinated to use, continuous to realize rubbish Gasification burning processes.
The upper end of described gasification furnace 103, incinerator 104 upper end respectively in the shape that arches upward, the face arch of described gasification furnace 103 is Flat construction, or, the face arch of gasification furnace 103 is that rear end is inclined upwardly structure.The vault of described gasification furnace 103 arranges the first cigarette Gas outlet 112, the vault of described incinerator 104 arranges the second exhanst gas outlet 113, the arching upward of described gasification furnace 103 upper end, burns It is respectively equipped with igniting combustion supporting hole 114 on the arching upward of stove 104 upper end.Gasification flue gas is from first exhanst gas outlet the 112, second exhanst gas outlet 113 get rid of, and also include cavity combustion chamber 3 in inverted cone-shaped, described inverted cone-shaped inner chamber entry of combustion chamber and the connection of the first exhanst gas outlet.Gas Change stove 103 furnace cavity is compared with traditional incinerator, relatively reduced;Forward and backward arch position relative with moving hearth 105 becomes Little, decrease the space that incinerator takies, be also easier to insulation, decrease the amount of leakage of heat, beneficially rubbish and fully gasify. Secondary it is respectively provided with for air port 115 on the face arch of described gasification furnace 103, rear arch.
Also including circulating air feed system 2, described circulation air feed system 2 includes dust arrester the 201, first blower fan 202, second Blower fan 203, described dust arrester 201 is cyclone separator or hot precipitator, in the present embodiment, described dust arrester 201 For cyclone separator.Described first blower fan 202 is high-temperature blower, and described second blower fan 203 is aerator.Described dust arrester The inlet end of 201 is connected by pipeline and the second exhanst gas outlet 113, and pipeline and the is passed through in the outlet side of described dust arrester 201 The inlet end of one blower fan 202 connects, and the outlet side of described first blower fan 202 connects the house steward of the first manifold 204, described first discrimination The arm of pipe 204 respectively with each air compartment 107 of the lower section of gasification furnace 103 moving hearth 105 and gasification furnace 103 face arch, Secondary on rear arch connects for air port 115, and each arm of described first manifold 204 is respectively provided with the first regulation valve 207, gasification Stove 103 First air is that the flue gas generation certain pressure of high-temperature blower extraction incinerator 104 blasts the shifting of gasification furnace 103 stoker fired grate formula In an air compartment 107 corresponding below dynamic siege 105, then by an air holes spray penetration rubbish on moving hearth 105, enter Circulation of qi promoting, regulates wind supply quantity by the first regulation valve 207 on corresponding each arm.Gasification furnace 103 secondary wind is that high-temperature blower is taken out Take incinerator 104 flue gas produce certain pressure blast gasification furnace 103 burner hearth, its spray-hole be arranged on gasification furnace 103 face arch and On rear arch.Secondary it is provided with for air port 115, raising gasification efficiency, polymer substance decomposition in enhancing flue gas on forward and backward arch.After Have igniting combustion supporting hole 114 on arch, furnace lifting, baker and in stablizing gasification furnace 103 temperature use, by the on corresponding each arm One regulation valve 207 regulates wind supply quantity.The air inlet of described second blower fan 203 and atmosphere, the air that the second blower fan 203 blasts Can be cold wind or the hot blast after heating.The gas outlet of described second blower fan 203 connects the house steward of the second manifold 205, institute State the arm of the second manifold 205 respectively with incinerator 104 moving hearth 105 below each air compartment 107 and dust arrester Inlet end, the outlet side of 201 connect, and each arm of described second manifold 205 is respectively provided with the second regulation valve 208.Incinerator 104 First air are that the air of certain pressure is blasted an air compartment corresponding below stoker fired grate formula moving hearth 105 by aerator In 107, then by an air holes spray penetration residue on moving hearth 105, carry out residual burning, by corresponding each arm First regulation valve 207 regulate wind supply quantity.The inlet end of dust arrester 201, the air intake of outlet side are homoiothermic air feed, homoiothermic air feed It is that the air of certain pressure is blasted incinerator 104 and exports (i.e. cyclone inlet) and carry out homoiothermic, meanwhile, whirlwind by aerator Separator outlet (i.e. high-temperature blower entrance) blasts further homoiothermic, is regulated by the first regulation valve 207 on corresponding each arm Wind supply quantity.
Also including the 3rd manifold 206, the house steward of described 3rd manifold 206 connects with the gas outlet of the second blower fan 203, described Each arm of the 3rd manifold 206 connects for air port 305 with each combustion air respectively, and each arm of the 3rd manifold 206 is respectively provided with 3rd regulation valve 209.Inverted cone-shaped inner chamber entry of combustion chamber 303 and combustion-supporting confession air port are arranged at cavity combustion chamber 3 in inverted cone-shaped In circumferential wall, can be that the flue gas in cavity combustion chamber 3 is longer with air mixture time in inverted cone-shaped, mixing be more uniformly distributed, more Sufficiently burning.In inverted cone-shaped, the combustion-supporting air feed of cavity combustion chamber 3 is that the air of certain pressure is blasted combustion-supporting confession air port spray by aerator Injecting cavity combustion chamber 3 in inverted cone-shaped, combustion-supporting air feed approach axis can be radially or tangentially;Carry out syngas combustion.Meanwhile, The flue gas of high-temperature blower extraction incinerator 104 produces certain pressure and blasts below gasification furnace 103 stoker fired grate formula moving hearth 105 Secondary air chamber on a corresponding air compartment 107 and the forward and backward arch of gasification furnace 103, described first manifold 204 also has one and falls The arm that tapered inner chamber gas fume of combustion chamber entrance connects, this arm is provided with the regulation valve of correspondence.The not profit of high-temperature blower extraction It is finished remainder flue gas, then is injected into cavity combustion chamber 3 in inverted cone-shaped by cavity combustion chamber in inverted cone-shaped 3 smoke inlet, enter Row syngas combustion, by corresponding regulation valve regulation wind supply quantity, this structure can reduce thermal losses and improve heat exchanger effectiveness, Substantially increase the organic efficiency of heat, and pollutant discharge amount can be efficiently reduced.
Further, the arm that described first manifold is connected with inverted cone-shaped inner chamber entry of combustion chamber is provided with exhaust gas volumn detection Device the 327, second flue gas composition detection device 328, described flue gas amount detecting device, the second flue gas composition detection device and the Three regulation valves electrically connect with control unit respectively, and described control unit processes the synthesis cigarette that the second flue gas composition detection device gathers The synthesis flue gas flow parameter that gas component parameter and flue gas amount detecting device gather, and by the 3rd governor valve control combustion air Wind supply quantity.
Described incinerator 104 is provided with cinder notch 117, and the slag notch 116 of described incinerator 104 is positioned at incinerator and falls cinder notch The underface of 117, described in fall cinder notch 117 connected with the slag notch of dust arrester 201 by pipeline.This sealing structure is effective, Can effectively hold minimizing pollutant discharge amount.
The waste disposal method of a kind of stoker fired grate formula refuse gasification CIU, the method sequentially includes the following steps:
Step A, closedown stoker fired grate formula refuse gasification incinerator 1 and the gate of atmospheric vent, start machinery grate-type rubbish Rubbish incinerator 1, puts into feed hopper 102 by garbage raw material, and garbage pusher device 106 pusher back and forth will be from feed hopper 102 The garbage raw material fallen pushes the windrow seal section 108 between feed hopper 102, gasification furnace 103, makes windrow seal section 108 be formed Windrow sealing state, unnecessary rubbish falls into the moving hearth 105 of gasification furnace 103, and the moving hearth 105 of gasification furnace 103 works, Rubbish being conveyed into transition fall slag section 109, residue pusher 110 pusher back and forth, rubbish transition fallen in slag section 109 pushes away Entering in incinerator 104, the moving hearth 105 of incinerator 104 works conveying garbage, until rubbish is at gasification furnace 103, incinerator The moving hearth 105 of 104 is accumulated to required thickness: 0.6-0.8m, during baker, the rubbish piled up can protect mobile stove Bed 105, prevents scaling loss siege 105.Stopping feeding intake to feed hopper 102, the moving hearth 105 of gasification furnace 103 and incinerator 104 stops Only work, then, with start-up burner by the igniting combustion supporting hole 114 of gasification furnace 103 and incinerator 104 respectively with gasification furnace 103 and the burner hearth of incinerator 104 communicate, under the effect of start-up burner, gasification furnace 103 and incinerator 104 are carried out furnace lifting, Baker, treats that this process stabilization completes, and makes gasification furnace 103 and incinerator 104 burner hearth reach predetermined temperature 600-700 DEG C;Baker Purpose be the Natural Water in order to remove in lining and water of crystallization, in order to avoid rising too fast when going into operation due to furnace temperature, moisture content is a large amount of Expansion causes body of heater spalling, bubbling or deforms even furnace wall and collapse, and affects intensity and the service life of heating furnace furnace wall.
Step B, startup regulation circulation air feed system 2, regulation gasification furnace 103, incinerator 104 and circulation air feed system 2 Technological parameter (pusher speed, fire grate speed, pathogenic wind-warm, blast and air quantity, secondary air temperature, blast and air quantity, furnace temperature, Negative pressure, thickness of feed layer etc. in stove), feed intake to feed hopper 102, the moving hearth 105 of gasification furnace 103 works conveying garbage, rubbish Proceeding by burning in the burner hearth of gasification furnace 103, rubbish residue is piled up formation windrow at transition falls slag section 109 and is sealed, and makes The stove chamber inner combustion state temperature of gasification furnace 103 is stabilized to more than 850 DEG C, the moving hearth 105 work output combustion of incinerator 104 Rubbish residue after cinder.
Each technological parameter (pusher speed of step C, regulation gasification furnace 103, incinerator 104 and circulation air feed system 2 Negative pressure, thickness of feed layer in degree, fire grate speed, pathogenic wind-warm, blast and air quantity, secondary air temperature, blast and air quantity, furnace temperature, stove Deng), rubbish is gradually gasified by gasification furnace 103, and gasification temperature is stable between 700-800 DEG C, makes the stable product of gasification furnace 103 The raw high-temperature flue gas containing 10%-20% synthesis gas, it is equal that gasification furnace 103 vaporized state stably carries out low temperature, middle temperature or high-temperature gasification Can.Make incinerator 104 fired state temperature stabilization to more than 850 DEG C, it is achieved rubbish continuous gasification burning disposal;Need to regulate simultaneously Each technological parameter of cavity combustion chamber 3 in inverted cone-shaped, makes tangential outlet flue 304 temperature stabilization to 850 DEG C of cavity combustion chamber 3 in inverted cone-shaped Above.
Step D, need to overhaul or during blowing out, stop feeding intake, regulation gasification furnace 103, incinerator 104 and circulation air feed system The technological parameter of 2, makes gasification furnace 103 be gradually restored to fired state, after rubbish and rubbish residue burn, closes stoker fired grate Formula refuse gasification incinerator 1 and circulation air feed system 2.Each technological parameter of cavity combustion chamber 3 in inverted cone-shaped need to be regulated simultaneously, make Gasification furnace 103 is gradually restored to fired state.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted, although logical Cross above preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be In form and it is made various change, without departing from claims of the present invention limited range in details.

Claims (10)

1. cavity combustion chamber in an inverted cone-shaped, it is characterised in that: in described inverted cone-shaped, on the top board of cavity combustion chamber, combustor is set Igniting combustion supporting hole, the upper end edge tangentially-arranged inverted cone-shaped inner chamber entry of combustion chamber of described inverted cone-shaped inner chamber sidewall of combustion chamber, described Burning gallery that in inverted cone-shaped, the inner chamber of cavity combustion chamber includes setting gradually from top to bottom, conial channel, flying dust expansion chamber, taper Slag notch and the ring smoke passage arranged around conial channel, annular vent flue, described ring smoke passage, annular row Separated by annular inducing QI pier between gas flue and conial channel, the sidewall of described burning gallery arranges some combustion air air feeds Mouthful, described each combustion air is respectively positioned on the lower section of inverted cone-shaped inner chamber entry of combustion chamber for air port, and described conial channel is up-small and down-big, institute Stating the diameter diameter more than conial channel lower end of flying dust expansion chamber, described ring smoke passage is up-small and down-big taper, ring The lower end of shape exhaust gases passes connects with flying dust expansion chamber, and the lower end of described annular vent flue connects with the upper end of ring smoke passage Logical, tangential outlet flue is set on the sidewall of cavity combustion chamber in inverted cone-shaped and connects with annular vent flue, on described taper slag notch Under great little.
Cavity combustion chamber in a kind of inverted cone-shaped the most according to claim 1, it is characterised in that: described ring smoke passage upper Portion is circumferentially arranged some up-narrow and down-wide point gas piers, narrow wide flue gas ring road under being formed between adjacent point of gas pier.
Cavity combustion chamber in a kind of inverted cone-shaped the most according to claim 1, it is characterised in that: cavity combustion chamber in described inverted cone-shaped Entrance is connected to feed the high-temperature flue of high-temperature flue gas, and described high-temperature flue arranges smoke movement parameter acquisition unit, institute Stating inverted cone-shaped inner chamber entry of combustion chamber and arrange variable synthesis gas approach, described smoke movement parameter acquisition unit includes that sensing connects Receiving and signal processing unit, cooling unit, heat insulation pedestal and sensing element, described heat insulation pedestal is fixed on the tube wall of high-temperature flue On, described sensing element is fixed on heat insulation pedestal along the direction being perpendicular to high-temperature flue axis, and the measurement end of sensing element is stretched Entering in high-temperature flue, described sensing receives and signal processing unit is fixed on one end that sensing element is positioned at outside high-temperature flue, sense Should receive and flue gas flow that signal processing unit records in high-temperature flue by sensing element, flow velocity, described cooling unit bag Be trapped among sensing element heat insulation pedestal, sensing receive and signal processing unit between one section on, described variable synthesis flue gas Import includes that actuator, fire-resistant bore adjustment seat, one end of described fire-resistant bore adjustment seat stretch into cavity combustion chamber in inverted cone-shaped In entrance, the other end connects actuator, also includes the first flue gas composition detection device and control unit, described first flue gas group Go-on-go is surveyed device and is arranged on high-temperature flue the flue gas composition in detecting high-temperature flue, and described control unit is respectively with first Flue gas composition detection device, sensing reception and signal processing unit, actuator electrical connection, control unit processes smoke movement ginseng Number, synthesis flue gas composition parameter, and stretching by actuating mechanism controls fire-resistant bore adjustment seat, and then control variable synthesis cigarette The pore size of gas import.
Cavity combustion chamber in a kind of inverted cone-shaped the most according to claim 3, it is characterised in that: described variable synthesis gas approach Also including fireproof flue, heat-insulating and sealing, compression thermal insulation layer, elevated-temperature seal, the cross section of described fireproof flue is U-shaped, fire-resistant cigarette The opening in road seals by compressing thermal insulation layer, and described fire-resistant bore adjustment seat stretches in fireproof flue through compressing thermal insulation layer, institute State fire-resistant bore conditioned seat width of one end in fireproof flue and be more than fire-resistant bore conditioned seat in the outer one end of fireproof flue Width, elevated-temperature seal is set between fire-resistant bore adjustment seat and fireproof flue sidewall, fire-resistant bore adjustment seat with compress heat insulation Heat-insulating and sealing is set between Ceng.
5. a stoker fired grate formula refuse gasification CIU, including incinerator, it is characterised in that: described incinerator Including grate, and feed hopper, gasification furnace and the incinerator set gradually along feedstock direction on grate, the rear of gasification furnace is The cinder notch that falls of gasification furnace, incinerator is positioned at gasification furnace and falls the front lower place of cinder notch, and the rear of incinerator is the slag notch of incinerator, institute Stating grate and be provided with garbage pusher device, described garbage pusher device is positioned at the lower section of feed hopper, for being pushed away by the rubbish in feed hopper Enter in gasification furnace, being respectively arranged below with at least one and independently set of the lower section of gasification furnace moving hearth and incinerator moving hearth The air compartment put, is provided with windrow seal section, the grate between described gasification furnace and incinerator between described feed hopper, gasification furnace Leaving transition in part to fall slag section, the described transition slag section that falls is provided with residue pusher, for the rubbish that will fall in gasification furnace Residue pushes in incinerator;
Described gasification furnace, incinerator include furnace shell, moving hearth respectively, and the forward and backward side of described gasification furnace is close by windrow respectively Envelope section, the transition slag section that falls seals, and described transition falls slag section isolation gasification furnace, incinerator, makes gasification furnace, incinerator separate;
Described gasification furnace, incinerator, respectively in the shape that arches upward, the face arch of described gasification furnace, rear arch are respectively provided with secondary and supply air port, The vault of described gasification furnace arranges the first exhanst gas outlet, and the vault of described incinerator arranges the second exhanst gas outlet, described gasification furnace, Igniting combustion supporting hole it is respectively equipped with on incinerator;
Also include cavity combustion chamber in the arbitrary described inverted cone-shaped of claim 1-4, described inverted cone-shaped inner chamber entry of combustion chamber and the One exhanst gas outlet connection;
Also including circulating air feed system, described circulation air feed system includes dust arrester, the first blower fan, the second blower fan, described removes The inlet end of dirt device is connected by pipeline and the second exhanst gas outlet, and pipeline and the first wind are passed through in the outlet side of described dust arrester The inlet end of machine connects, and the outlet side of described first blower fan connects the house steward of the first manifold, and the arm of described first manifold is respectively Connect for air port with the secondary on each air compartment of the lower section of gasification furnace moving hearth and gasification furnace face arch, rear arch, described The first regulation valve it is respectively provided with on each arm of the first manifold, the air inlet of described second blower fan and atmosphere, described second The gas outlet of blower fan connects the house steward of the second manifold, the arm of described second manifold respectively with incinerator moving hearth below each Air compartment and the inlet end of dust arrester, outlet side connection, each arm of described second manifold is respectively provided with the second tune Joint valve, also includes that the 3rd manifold, the described house steward of the 3rd manifold connect with the gas outlet of the second blower fan, described 3rd manifold each Arm connects for air port with each combustion air respectively, and each arm of the 3rd manifold is respectively provided with the 3rd regulation valve.
A kind of stoker fired grate formula refuse gasification CIU the most according to claim 5, it is characterised in that: described first discrimination Pipe also has an arm being connected with inverted cone-shaped inner chamber entry of combustion chamber, and this arm is provided with the regulation valve of correspondence, the first wind The remainder flue gas not utilized of machine extraction is injected into inverted cone-shaped inner chamber by inverted cone-shaped inner chamber entry of combustion chamber and burns Room, and by corresponding regulation valve regulation wind supply quantity.
A kind of stoker fired grate formula refuse gasification CIU the most according to claim 6, it is characterised in that: described first discrimination The arm that pipe is connected with inverted cone-shaped inner chamber entry of combustion chamber is provided with flue gas amount detecting device, the second flue gas composition detection device, Described flue gas amount detecting device, the second flue gas composition detection device and the 3rd regulation valve electrically connect with control unit respectively, institute State control unit and process the second smoke composition detection synthesis flue gas composition parameter of device collection and flue gas amount detecting device is adopted The synthesis flue gas flow parameter of collection, and by the 3rd governor valve control combustion air wind supply quantity.
A kind of stoker fired grate formula refuse gasification CIU the most according to claim 5, it is characterised in that: described dedusting fills It is set to cyclone separator or hot precipitator;Described first blower fan is high-temperature blower, and described second blower fan is aerator.
A kind of stoker fired grate formula refuse gasification CIU the most according to claim 5, it is characterised in that: described transition falls Being provided with isolating door to be opened/closed in slag section, described isolating door is for cutting off gasification furnace, incinerator.
A kind of stoker fired grate formula refuse gasification CIU the most according to claim 5, it is characterised in that: described gasification The face arch of stove is flat construction, or, the face arch of gasification furnace is that rear end is inclined upwardly structure.
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CN110081435B (en) * 2019-05-23 2023-12-26 江苏利百川环保科技有限公司 Two-combustion-chamber structure of pyrolysis furnace
CN112664961A (en) * 2020-12-23 2021-04-16 淄博鸿润新材料有限公司 Novel kiln for treating high-salinity high-organic-matter wastewater

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