CN110440265A - A kind of trash burning furnace having hot-fluid tissue - Google Patents
A kind of trash burning furnace having hot-fluid tissue Download PDFInfo
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- CN110440265A CN110440265A CN201910788254.7A CN201910788254A CN110440265A CN 110440265 A CN110440265 A CN 110440265A CN 201910788254 A CN201910788254 A CN 201910788254A CN 110440265 A CN110440265 A CN 110440265A
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- pyrolytic carbon
- burning
- hot
- pyrolysis
- fugitive constituent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
- F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/302—Treating pyrosolids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/303—Burning pyrogases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/103—Combustion in two or more stages in separate chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention provides a kind of trash burning furnace for having hot-fluid tissue, is made of waste pyrolysis cavity, pyrolysis devolatilization part transfer passage and combustion chamber, the transfer passage of pyrolytic carbon and combustion chamber, dual firing chamber.The transfer passage of pyrolysis devolatilization part and the transfer passage of pyrolytic carbon are to separate；And the combustion chamber of pyrolysis devolatilization part combustion chamber and pyrolytic carbon is located in same cavity, the two supplies oxygen burning respectively, and the burning of charcoal is that the burning of anteposition, fugitive constituent is rear position；Or the transfer passage of pyrolysis devolatilization part and the transfer passage of pyrolytic carbon be it is integrated, in the combustion chamber of the two, the two supplies oxygen burning respectively, and the burning of charcoal is that the burning of rear position, fugitive constituent is anteposition.The trash burning furnace provided by the present invention for having hot-fluid tissue, by dividing the waste into two strands of hot-fluids of fugitive constituent and pyrolytic carbon and by adjusting air needed for burning, it realizes the dislocation burning of two strands of hot-fluids of fugitive constituent and pyrolytic carbon and makes up mutually, to cope with the fluctuation of refuse moisture and component, and prevent and treat the generation of NOx.
Description
Technical field
The invention belongs to waste cleaning disposition and recycling field more particularly to a kind of trash burning for having hot-fluid tissue
Furnace.
Background technique
China is mainly large-scale incinerator for domestic waste enlargement processing in the prior art, is based on fire grate technology
Or fluidization realizes direct combustion.In order to guarantee house refuse after-flame in incinerator, using hot blast feeding, control fire grate row
Into speed, reinforce the measures such as oxygen supply and disturbance, but the large-scale corresponding gas cleaning of city garbage incinerator and flying dust is disposed
System cost is expensive, and not only shared ratio between investments is big, but also shared this expense of operation is higher, rely on it is higher dispose take and
Power generation subsidy is to realize economic equilibrium.The middle-size and small-size incineration technology of the prior art is mainly used for villages and small towns refuse disposal, in order to reduce this
The pollutant concentration at bottom is horizontal, and villages and small towns small refuse incinerator is changed mostly based on gasification burning by the moisture of rubbish, gasification effect
Fruit is unstable, and moisture increase can lead to gasification and become to glow.
In addition, the small-sized incinerator for thermal decomposition in existing technology in small towns operation is due in no hot-fluid tissue mould
Formula, i.e. gasification and the burning of subsequent gases are all the condition self-assembling formations for relying on rubbish itself, and air-flow and total logistics cost are single,
Incinerator by the gasification mode operation of single stacking, fire grate movement and lower oxygen supply does not resist waste component and moisture
The ability of equal parameter fluctuations.Requirement of the adjusting of burning to operations staff is high, and the scientific and technological water of the field maintenance person of small boiler
Put down it is limited, high operation requirements, the rubbish inorganization burning disposal facility for being difficult to safeguard or needing often to adjust be it is not applicable,
Be badly in need of have resist component of refuse and moisture variation ability, maintenance is simply and economically applicable in, more environmentally-friendly small-sized rubbish is burnt
Burn treatment facility.
It is sometimes small there are also the processing of stalk, garden garbage, trade waste etc. in addition to house refuse, it cannot make
With conventional large-scale incinerator, need flexibly practical middle-size and small-size burning disposal facility.And trade waste and some calorific values
Higher house refuse on existing incinerator for thermal decomposition when running, in fact it could happen that fugitive constituent abrupt release acutely causes very much
Fluctuation and impact, if fugitive constituent abrupt release amount it is more or burning acutely, can lead to second pyrolysis generate carbon black be difficult to
After-flame.At very high temperatures, for hypoxgia, the charcoal that the pyrolysis phase of burning generates, which also can sharply gasify, generates CO, causes
It discharges exceeded.So while at present incinerator for thermal decomposition on small-sized rubbish using very universal, but by waste component and
The influence of moisture guarantees that there is also integrity problems for temperature combustion.
Summary of the invention
To meet the need for remaining to maintain stable operation when middle-size and small-size waste treatment facility adapts to refuse moisture, ingredient fluctuation
It wants, the purpose of the present invention is to provide one kind convenient for county domain, small towns house refuse, island rubbish and stalk, industrial refuse processing
, the trash burning furnace for having hot-fluid tissue, described device, which has, more to be cleaned, is suitable for component of refuse and the changeable spy of moisture
Property.
A kind of trash burning furnace having hot-fluid tissue proposed by the present invention, by the cavity of conveying waste and Pyrolytic waste, is waved
Send out the transfer passage of part, the transfer passage of pyrolytic carbon, furnace wall, combustion chamber and dual firing chamber's composition；The combustion chamber and dual firing chamber position
In in furnace wall, in which:
The cavity of conveying waste and Pyrolytic waste is separately connected one end of the transfer passage of fugitive constituent and the transfer passage of pyrolytic carbon,
The transfer passage of pyrolysis devolatilization part and the transfer passage of pyrolytic carbon are to separate；The transfer passage and pyrolytic carbon of fugitive constituent
The other end of transfer passage be separately connected combustion chamber, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is located at same cavity
It is interior, the air hose of oxygen supply is equipped in combustion chamber, the air hose is for controllably supplying oxygen the burning of fugitive constituent；The lower end of combustion chamber
Fire grate equipped with support and mobile pyrolytic carbon, the pyrolytic carbon are moved and are burnt on fire grate；Make to be pyrolyzed by the adjustment of oxygen supply
The burning of charcoal is that the burning of anteposition, fugitive constituent is rear position；The combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon passes through upper oblique
Formula baking oven is connected to dual firing chamber；
Or: the cavity of conveying waste and Pyrolytic waste is separately connected the transfer passage of fugitive constituent and the transfer passage of pyrolytic carbon
One end, the transfer passage of pyrolysis devolatilization part and the transfer passage of pyrolytic carbon are integrated；Fugitive constituent and pyrolytic carbon it is defeated
The other end in channel is sent to connect combustion chamber, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is located in same cavity, combustion chamber
The interior air outlet for being equipped with oxygen supply, the air outlet is for controllably supplying oxygen the burning of fugitive constituent；The lower end of combustion chamber is equipped with
The fire grate of support and mobile pyrolytic carbon, the pyrolytic carbon are moved and are burnt on fire grate, wherein the burning of fugitive constituent be anteposition,
The burning of pyrolytic carbon is rear position；Described pyrolysis devolatilization part is connected to dual firing chamber by slanting baking oven with the combustion chamber of pyrolytic carbon；
The trash burning furnace for having hot-fluid tissue is real by the adjusting of pyrolysis temperature and the separated adjustment for the required air that burns
Now two strands of hot-fluids of fugitive constituent and pyrolytic carbon is controllable, but two strands of hot-fluids make up and promote mutually in combustion chamber, useless to cope with
The fluctuation of object moisture and component maintains the stabilization of temperature and prevents and treats the generation of NOx.
In the present invention, the outlet connection of the transfer passage other end of fugitive constituent connection combustion chamber has air outlet, with for
Oxygen (air), preferably (preferably, preferable operating mode) air are sent into from the two sides that fugitive constituent exports, and oxygen supply makes to wave rapidly
Send out the quick after-flame of part；By the size for adjusting the amount that two sides air is fed, thus it is possible to vary primary combustion of the fugitive constituent in combustion chamber
The position in area.
In the present invention, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is the space surrounded by fire grate and furnace wall, described
Combustion chamber starts from the inlet for being connected to pyrolytic carbon, namely starts from the end of the pyrolytic carbon transfer passage, and pyrolytic carbon is fallen
Enter onto fire grate；The fire grate has the function of conveying pyrolytic carbon and through oxygen (air) for pyrolytic carbon burning, the fire grate
At least provided with 3 wind cabins, the wind cabin is used to be sent into air for lower section, and the feeding of air is made to have good tissue, so that charcoal
Combustion heat release is controlled or even the lime-ash of charcoal burning is by partial melting.
In the present invention, the fire grate is made of dynamic fire grate and fixed grate, the wind of the wind cabin connection oxygen supply under the fire grate
Machine, the fire grate rearmost end space above are the tail end of the combustion chamber of fugitive constituent and pyrolytic carbon, the dynamic fire grate connection driving
Mechanism, for driving dynamic fire grate to make periodically to move back and forth.
In the present invention, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is surrounded gradually by fire grate, furnace wall and chimney arch
The wealthy space opened, with the requirement for space enlargement and the air-flow mixing for meeting fugitive constituent and charcoal while burning required, the turnover of chimney arch
Place has high-speed flow to be blown into；The air that following first wind cabin of fire grate is sent into makes pyrolytic carbon burn immediately.
In the present invention, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is to push water conservancy diversion shape by fire grate, furnace wall and chimney arch
At space, to meet fugitive constituent burning to making up of burn of pyrolytic carbon and the reduction requirement of NOx, the turning point of chimney arch has at a high speed
Air-flow is blown into；After being dropped on the fire grate in the pyrolytic carbon, first wind cabin under fire grate is sent into air capacity very
It is few not to be sent into air even；Pyrolytic carbon, which is fed forward at the position of second wind cabin by fire grate, starts largely to be sent into air combustion
It burns.
In the present invention, it is disposed with several deflected current walls in the dual firing chamber, is equipped with oxygen supply port at the narrow place of each deflected current wall,
To promote turbulent flow and mixing；The deflected current wall root is provided with soot blower, selective sootblowing with furnace wall junction.
In the present invention, the pyrolysis cavity of the conveying and Pyrolytic waste not only realizes the pyrolysis of waste, also passes through pyrolysis
The adjusting of temperature realizes hot-fluid with the organized distribution of fugitive constituent stream and pyrolytic carbon stream: height is equipped in the waste pyrolysis cavity
Warm gas inlet is limited according to pyrolysis temperature in pyrolysis cavity to control the circulated heat of flue gas.Outside the waste pyrolysis chamber
There are also outer hot cells for side, for assisting heating and heat preservation to waste.
In the present invention, when the transfer passage of pyrolysis devolatilization part is separated with the transfer passage of pyrolytic carbon, flue gas is controlled
Circulated heat so that the intracavitary pyrolysis temperature of the pyrolysis is limited to 500-650 DEG C, realize waste in the hot-fluid share of fugitive constituent
Account for the 50-60% of waste total hot-fluid share, the pyrolytic carbon enter after combustion chamber its convey it is all needed for supply burning under fire grate
Air capacity, burning and the after-flame for promoting fugitive constituent and pyrolytic carbon avoid the fugitive constituent second pyrolysis in combustion-gas flow from forming carbon black
Or pyrolytic carbon generates excessive CO.
In the present invention, when the transfer passage one of the transfer passage of described pyrolysis devolatilization part and pyrolytic carbon, the pyrolysis
The temperature of chamber is 400-550 DEG C, realizes hot-fluid distribution of the waste between fugitive constituent and pyrolytic carbon, and the hot-fluid share of pyrolytic carbon
The 50-60% of waste total hot-fluid share is accounted for, wind cabin oxygen deprivation or a small amount of oxygen supply under the fire grate at the pyrolytic carbon place of falling then supply again
Should burn required all air quantity；The fugitive constituent second pyrolysis in combustion-gas flow is avoided to form carbon black or pyrolytic carbon generation excessively
CO.
In the present invention, the waste includes house refuse, agricultural wastes such as stalk etc., garden waste, Industry Waste
Gurry such as waste sludge from paper mill etc..
In the present invention, the cavity end of dual firing chamber sets cleaning door, is used to open deashing.
In the present invention, there is the trash burning furnace of hot-fluid tissue to be equipped with fire door, the fire door is used for the burning watched in furnace
Situation and opening carry out cleaning in furnace.
In the present invention, insulating layer is equipped with outside furnace wall.
In the present invention, combustion chamber bottom side is equipped with slag mouth, and charcoal afterburnt lime-ash passes through slag mouth outlet.
The usefulness of the trash burning furnace provided by the present invention for having hot-fluid tissue:
(1) again with the shape of two strands of hot-fluids of pyrolysis devolatilization part and pyrolytic carbon after being pyrolyzed before trash burning first with waste pyrolysis cavity
Formula conveys respectively, and by oxygen supply to fugitive constituent, be sent into air capacity size tissue to first wind cabin under fire grate and adjust
Match, realizes that fugitive constituent and the mutual of pyrolytic carbon burning make up；So that burning is more stable, to adapt to the wave of waste component and moisture
It is dynamic；
It (2), can be in such a way that two strands of hot-fluid transfer passages be separated when few, the relatively dry waste of moisture is burnt；
And it is pyrolyzed 500-650 DEG C of temperature drift in cavity；It can avoid tar condensing in fugitive constituent transfer passage, and vertical using pyrolytic carbon
The mode that position is burnt after i.e. a large amount of burnings, fugitive constituent mutually makes up, and guarantees flameholding, while the enough confessions of rear position large space burning
Oxygen avoids fugitive constituent from being cracked to form carbon black；
(3) when washiness, wetter waste are burnt, two bursts of integrated modes of hot-fluid transfer passage can be used；
And it is pyrolyzed relatively low 400-550 DEG C of temperature in cavity；After the burning of fugitive constituent anteposition, pyrolytic carbon by the way of the burning of position, guarantee
Flameholding, and the pyrolytic carbon is avoided to generate a large amount of CO by violent gasification at integrated channel；
(4) burning of the charcoal on fire grate, can reduction volatilization part burning in time because control air quantity is burnt with forming concentrated phase reduction
The NOx of generation, avoids denitrating flue gas；
(5) multiple deflected current walls are arranged in the dual firing chamber described in, have oxygen supply air port at the narrow place of deflected current wall；Convenient for guaranteeing the complete of burning
It is complete and thoroughly, avoid CO, uncombusted carbon granule presence and avoid the generation of dioxin；
(6) even if the variation of the ingredient and moisture of waste, the pyrolysis charring cavity of waste can produce two bursts of hot-fluids (energy),
It is complementary to one another, adapts to the burning of dry waste, high heating value wastes and high humidity waste；
(7) since the trash burning stove for having hot-fluid tissue has the fluctuation that burning is steady, is suitable for moisture and component, more hold
Easily guarantee that the discharge of dioxin can be up to standard.
Detailed description of the invention
Fig. 1 is the 1 embodiment figure of embodiment of the trash burning furnace for having hot-fluid tissue of the invention；
Fig. 2 is the 2 embodiment figure of embodiment of the trash burning furnace for having hot-fluid tissue of the invention；
Fig. 3 is a kind of prioritization scheme of Fig. 1 of the present invention；
Fig. 4 is a kind of prioritization scheme of Fig. 2 of the present invention.
Figure label: 1 is the cavity for conveying waste and Pyrolytic waste；2 be garbage inlet hopper；3 be high-temperature flue gas；4 are
Outer hot cell；5 be high-temperature flue gas entry；6 be combustion chamber；7 be pyrolytic carbon；8 be fugitive constituent；9 be fire door；10 be fixed grate；11
It is fire grate；12 be dual firing chamber；13 be air outlet；14 be cleaning door；15 be exhanst gas outlet；16 be slag mouth；17 be that steam goes out
Mouthful；18 be insulating layer；19 be driving mechanism；20 be furnace wall；21 be oxygen supply blower；22 be deflected current wall；23 be chimney arch；24 be wind
Storehouse；25 be smoke evacuation after cooling；26 be high-temperature flue gas circulating fan.
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation.
Embodiment 1
The trash burning furnace for having hot-fluid tissue as shown in Figure 1, cavity 1, garbage inlet including conveying waste and Pyrolytic waste
Hopper 2, combustion chamber 6, the transfer passage of pyrolytic carbon 7, the transfer passage of fugitive constituent 8, fire door 9, fixed grate 10, moves outer hot cell 4
Fire grate 11, dual firing chamber 12, air outlet 13, cleaning door 14, exhanst gas outlet 15, slag mouth 16, insulating layer 18, driving mechanism 19, furnace
Wall 20, blower 21, deflected current wall 22 and wind cabin 24.
The trash burning furnace for having hot-fluid tissue, the cavity 1 for conveying waste and Pyrolytic waste are selected from shaftless double helix
Perhaps there is waste on the inside of the shaftless double helix of revolving drum or revolving drum with outer hot cell 4, there is high warm flue gas in outside, in
Between separated with metal wall surface.There is the inside of waste that there can also be high-temperature flue gas entry 5, high-temperature flue gas 3 passes through high-temperature flue gas entry 5
It is sent into, feeding amount ensures pyrolysis temperature within the scope of 500-650 DEG C.Pyrolytic carbon 7 falls in furnace by the transfer passage of pyrolytic carbon
On row；The fire grate includes fixed grate 10 and dynamic fire grate 11, drives dynamic fire grate 11 periodically to move back and forth by driving mechanism 19, supplies
Oxygen blower 21 supplies oxygen (air) to the wind cabin 24 below fire grate, and oxygen amount is adjusted in different zones, and is penetrated by wind cabin 24
Fire grate is sent into combustion chamber 6 and promotes burning and the after-flame of pyrolytic carbon with atmosphere needed for combination burning；The lime-ash in afterburnt is by falling
16 outlet of cinder notch.Fugitive constituent 8 is sent into the cavity of same combustion chamber 6 by the transfer passage of fugitive constituent, immediately by air outlet 13
The air mixing ignition of infeed；The burning of fugitive constituent and the burning of lower part charcoal complement each other, and charcoal is the gasification combustion of reproducibility
It burns, the NOx generated to burning is restored.
Preferably, pyrolytic carbon 7 carries out gasification, and combustion on fire grate, forms the slag of micro- melting；
Preferably, the air that air outlet 13 enters enters combustion chamber 6 in the form of multiply, and the air being sent into can be in front and rear sides
The more uniform mixing with fugitive constituent 8 changes the burning position of fugitive constituent and causes strong flow-disturbing to flue gas.
Preferably, it is equipped with upper inclined chimney arch 23 between fugitive constituent 8 and the combustion chamber 6 and dual firing chamber 12 of pyrolytic carbon 7, sees Fig. 3,
The end of the chimney arch 23 has air-flow high speed (being greater than 25m/s) to be sent into promotion mixing in furnace, has multiple deflected current walls in dual firing chamber 12
22 combine with oxygen supply port 13, form disturbance and promote after-flame, flue gas enters by the exhanst gas outlet 15 of the first cavity of dual firing chamber 12
Second cavity of dual firing chamber 12 still has the combination of deflected current wall 22 and air outlet 13 to ensure after-flame here.Further, in deflected current wall
There is ash blowing mouth in 22 root (with furnace wall junction), and soot blowing air-flow is selected from compressed air or steam carries out regular deashing.
Fire door 9, which can watch the combustion position in furnace and open, carries out cleaning in furnace；Cleaning door 14 is located at dual firing chamber 12
Cavity end can open deashing.Insulating layer 18 is equipped with outside the furnace wall 20 of stove；It ensures that the heat of stove is not outer to dissipate.
The hot-fluid of fugitive constituent 8 accounts for about the 50-60% of waste total hot-fluid in the present embodiment；It is total that the hot-fluid of pyrolytic carbon 7 accounts for about waste
The 40-50% of hot-fluid and the burning that misplaces, so that the NOx for generation of burning in flue gas is restored.
The above-mentioned trash burning furnace for having hot-fluid tissue, because fugitive constituent 8 and pyrolytic carbon 7 in an organized way enter burning respectively
Different location in chamber 6 can realize hot-fluid and pyrolysis that fugitive constituent 8 carries by the adjusting of temperature in pyrolysis temperature, pyrolysis chamber
The adjusting that hot-fluid is carried in charcoal 7 guarantees the steady of burning while being advantageously implemented cleaning burning and thoroughly burning.
Embodiment 2
The trash burning furnace for having hot-fluid tissue as shown in Figure 2, cavity 1, garbage inlet including conveying waste and waste pyrolysis
Hopper 2, combustion chamber 6, the transfer passage of pyrolytic carbon 7, the transfer passage of fugitive constituent 8, fire door 9, fixed grate 10, moves outer hot cell 4
Fire grate 11, dual firing chamber 12, air outlet 13, cleaning door 14, exhanst gas outlet 15, slag mouth 16, insulating layer 18, driving mechanism 19, furnace
Wall 20, blower 21, deflected current wall 22 and wind cabin 24.The transfer passage of pyrolytic carbon 7 and fugitive constituent 8 is fallen on fire grate together.
The trash burning furnace for having hot-fluid tissue, the cavity 1 for conveying waste and waste pyrolysis are selected from shaftless double helix
Or any one of the revolving drum with outer hot cell 4, waste is pyrolyzed in conveying.Being pyrolyzed chamber can be defeated equipped with high-temperature flue gas
Entrance 5 maintains 400-550 DEG C using measures, temperature such as high-temperature flue gas supply and external heats.Pyrolytic carbon 7 and fugitive constituent 8 are together
Combustion chamber 6 is fallen through into, fugitive constituent 8 once enters combustion chamber 6；The air fed immediately by air outlet 13 is mixed from two sides to be fired
It burns.Pyrolytic carbon 7 is directly fallen on following fire grate, and the fire grate includes fixed grate 10 and dynamic fire grate 11, by driving mechanism 19
Dynamic fire grate 11 is driven periodically to move back and forth；First wind cabin under the fire grate at pyrolytic carbon 7 just lowering position is sent into a small amount of
Air or be not sent into air；The passive fire grate 11 of pyrolytic carbon moves away behind the main burning area of fugitive constituent in second wind cabin
Portion, oxygen supply blower 21 enter combustion chamber 6 to by second enough air of wind cabin feeding, promote the burning of pyrolytic carbon 7 and melt
Melt, although the combustion chamber 6 of the burning of pyrolytic carbon 7 and fugitive constituent 8 is together, the burning of fugitive constituent 8 is anteposition, pyrolytic carbon
Burning be it is to the rear, to avoid while fugitive constituent 8 and pyrolytic carbon 7 burning generate localized hyperthermia so that pyrolytic carbon fall when
Sharply gasify, generate a large amount of CO to combustion furnace generate impact, also avoid fugitive constituent 8 have little time at too high a temperature oxygen supply,
Second pyrolysis occurs and generates carbon black, it is subsequent to be difficult to after-flame.The afterburnt on fire grate of pyrolytic carbon 7 passes through 16 outlet of slag mouth.
The hot-fluid of fugitive constituent accounts for about the 40-50% of waste total hot-fluid in the present embodiment；The hot-fluid of pyrolytic carbon accounts for about waste total heat
The 50-60% of stream and misplace burning so that the NOx for generation of burning in flue gas is restored.
Preferably, pyrolytic carbon 7 carries out first slowly gasification, rear flash fire and melting on fire grate.
Preferably, the air that air outlet 13 enters enters combustion chamber 6 in the form of multiply, with fugitive constituent 8 from front and rear sides
More uniform mixing, to promote its rapid after-flame.
Preferably, there is chimney arch 23 between fugitive constituent and the combustion chamber 6 and dual firing chamber 12 of pyrolytic carbon, see Fig. 4, the chimney arch 23
To oblique, formation diversion space, end has air-flow high speed (being greater than 25m/s) to be sent into promotion mixing in furnace, has in dual firing chamber 12
Multiple deflected current walls 22 are combined with oxygen supply port 13, are formed disturbance and are promoted burning, flue gas passes through the first cavity outlet 15 of dual firing chamber 12
Into the second cavity of dual firing chamber, still there is the combination of deflected current wall 22 and air outlet 13 to ensure after-flame here.Further, in baffling
There is ash blowing mouth in the root (with furnace wall junction) of wall 22, and soot blowing air-flow is selected from compressed air or steam carries out regular deashing.
Fire door 9, which can watch the combustion position in furnace and open, carries out cleaning in furnace；Cleaning door 14 is located at dual firing chamber 12
Cavity end can open deashing.Insulating layer 18 is equipped with outside the furnace wall 20 of stove；It ensures that the heat of stove is not outer to dissipate.
The above-mentioned trash burning furnace for having hot-fluid tissue is advantageously implemented cleaning burning and thoroughly burning.
Optimally, the top of waste feeding inlet 2 is equipped with steam collection port 17 and collects because of foul smell caused by drying, avoids
The discharge of foul smell.
Embodiment 3
The waste residue in certain paper mill, aqueous 35-38%, calorific value 11.5-13 MJ/kg, 25 t/d for the treatment of capacity, using such as Fig. 3 after being crushed
Shown in have the trash burning furnace of hot-fluid tissue, the cavity 1 for conveying waste and Pyrolytic waste is selected from dividing wall type in the prior art
Rotary kiln has outer hot cell 4 of the hot cigarette flue indirectly to waste heating on the outside of rotary kiln cylinder, has in rotary kiln body from high temperature cigarette
The high-temperature flue gas entry 5 that gas circulating fan 26 is fed, high-temperature flue gas 3 are entered by high-temperature flue gas entry 5, and internal circulating load ensures heat
Temperature is solved within the scope of 500-650 DEG C.The evaporation and export of moisture can use the prior art, such as patent
The collection technique of dry moisture in ZL201410305784.9.Waste becomes two in the cavity 1 of conveying waste and Pyrolytic waste
Stock hot-fluid: pyrolytic carbon 7 and fugitive constituent 8.The pyrolytic carbon 7 is fallen on fire grate by the transfer passage of pyrolytic carbon；The fire grate packet
Fixed grate 10 and dynamic fire grate 11 are included, drives dynamic fire grate 11 periodically to move back and forth by driving mechanism 19, there are 3 wind cabins under fire grate
24, it is sent into air from blower 21 to the wind cabin, the air capacity in wind cabin 24 is most in first wind cabin supply, second wind
The air quantity of storehouse and third wind cabin gradually decreases, to form the gasification, and combustion of the later period reproducibility of pyrolytic carbon, in combustion product gases
The NOx of generation is restored, and forms the lime-ash of micro- melting.The two bursts of hot-fluid complementation burnings of pyrolytic carbon and fugitive constituent, maintain temperature
The combustion atmosphere for stablizing and inhibiting NOx, promotes burning and the after-flame of pyrolytic carbon；And the lime-ash for forming micro- melting passes through slag mouth 16
Outlet.Fugitive constituent 8 is sent into combustion chamber by its transfer passage, falls the rear position at place in pyrolytic carbon 7, is fed immediately by air outlet 13
Air be mixed and burned；Avoid the occurrence of carbon black.
Preferably, the air that air outlet 13 enters enters combustion chamber 6 in the form of multiply, with fugitive constituent 8 from front and rear sides
Mix and cause to flue gas strong flow-disturbing.
Preferably, there is upper inclined chimney arch 23 between fugitive constituent and the combustion chamber 6 and dual firing chamber 12 of pyrolytic carbon, to meet volatilization
The increasing requirement in space needed for parts 8 burning and the burning of lower part pyrolytic carbon 7, the end of the chimney arch 23 have air with
The speed of 35-40m/s, which is sent into furnace, promotes mixing, has multiple deflected current walls 22 to combine with its narrow place's oxygen supply port 13 in dual firing chamber 12,
It forms disturbance and promotes burning, flue gas enters the second cavity of dual firing chamber 12 by the first cavity outlet 15 of dual firing chamber 12, here
Still there is the combination of deflected current wall 22 and air outlet 13 to ensure after-flame.Further, the root of deflected current wall 22 (with furnace wall junction),
There is ash blowing mouth, soot blowing air-flow is selected from compressed air or steam carries out regular deashing.
The combustion position that fire door 9 is watched in furnace and the metal that cleaning is blocked periodically are opened daily.Cleaning door 14 is opened weekly
Deashing.Insulating layer 18 is equipped with outside the furnace wall 20 of stove；It ensures that the heat of stove is not outer to dissipate.
The above-mentioned trash burning furnace for having hot-fluid tissue, be advantageously implemented the waste sludge from paper mill of high heating value cleaning burning and it is thorough
Bottom burning.
Embodiment 4
Certain County Development area rubbish, aqueous 40 % or so, plastic content height, 12.5 MJ/kg of calorific value or so, treating capacity 10t/d is broken
Using the trash burning furnace for having hot-fluid tissue as shown in Figure 3 after broken, the cavity 1 for conveying waste and Pyrolytic waste is selected from existing skill
Shaftless double helix reactor in art, shaftless double helix reactor outer wall have hot cigarette flue to heat indirectly to rubbish, inside come from
The high-temperature flue gas entry 5 that high-temperature flue gas circulating fan 26 is fed, high-temperature flue gas 3 pass through high-temperature flue gas entry 5, internal circulating load guarantee
Pyrolysis temperature is within the scope of 500-650 DEG C.The evaporation and export of moisture can use the prior art, such as patent
The collection technique of dry moisture in ZL201410305784.9.Waste becomes two in the cavity 1 of conveying waste and Pyrolytic waste
Stock hot-fluid: pyrolytic carbon 7 and fugitive constituent 8.The pyrolytic carbon 7 is fallen on fire grate by its transfer passage；The fire grate includes fixing
Fire grate 10, dynamic fire grate 11 drive dynamic fire grate 11 periodically to move back and forth, have 3 wind cabins 24 under fire grate, by blower by driving mechanism 19
21 are sent into air to the wind cabin 24, and the air capacity in wind cabin 24 carries out foot in pyrolytic carbon 7 of first wind cabin on fire grate
Amount burning supply, the air capacity of second wind cabin and third wind cabin gradually decrease, to form the later period reproducibility of pyrolytic carbon
Gasification, and combustion restores the NOx generated in combustion product gases, and forms the lime-ash of micro- melting.Pyrolytic carbon and two strands of fugitive constituent
Hot-fluid complementation burning maintains temperature stable and inhibits the combustion atmosphere of NOx, promotes burning and the after-flame of pyrolytic carbon；And it is formed micro-
The lime-ash of melting passes through 16 outlet of slag mouth.Fugitive constituent 8 is sent into combustion chamber 6 by its transfer passage, is supplied immediately by air outlet 13
The air entered is mixed and burned；Avoid the occurrence of carbon black.
Preferably, the air that air outlet 13 enters enters combustion chamber 6 in the form of multiply, with fugitive constituent 8 from front and rear sides
Mix and cause to flue gas strong flow-disturbing.
Preferably, there is upper inclined chimney arch 23 between the combustion chamber and dual firing chamber 12 of fugitive constituent and pyrolytic carbon, to meet volatilization
The increasing requirement in space needed for parts 8 burning and the burning of lower part pyrolytic carbon 7, the end of the chimney arch 23 have air with
The speed of 35m/s, which is sent into furnace, promotes mixing, has multiple deflected current walls 22 to combine with oxygen supply port 13 in dual firing chamber 12, forms disturbance and promotees
Into burning, flue gas enters the second cavity of dual firing chamber by the first cavity outlet 15 of dual firing chamber 12, still there is deflected current wall 22 here
Combination with air outlet 13 ensures after-flame.Further, the root of deflected current wall 22 (with furnace wall junction), there is ash blowing mouth, blow
Grey air-flow is selected from compressed air or steam carries out regular deashing.
The combustion position and clear up the sundries such as metal, the glass for being originated from waste that fire door 9 is watched in furnace are periodically opened daily.Often
Week opens 14 deashing of cleaning door.Insulating layer 18 is equipped with outside the furnace wall 20 of stove；It ensures that the heat of stove is not outer to dissipate.
The trash burning furnace for having hot-fluid tissue, be advantageously implemented the waste sludge from paper mill of high heating value cleaning burning and it is thorough
Bottom burning.The combustion furnace mating flue gas purification device cyclone dust collectors, water dust scrubber and temperature-reducing tower in the prior art, level-one
Spray scrubber, scrubbing tower are fitted with demister.It is up to standard by test flue gas emission after operation.
Embodiment 5
Certain county domain rubbish, in addition local clothing factory's waste, aqueous 40 % or so, calorific value 10-11 MJ/kg or so, treating capacity
30t/d, after original refuse breaking, using certain pyrolysis carbonization incinerator processing in the prior art, after refuse pyrolysis fugitive constituent with
Pyrolytic carbon burns together；It is up to standard good often to there is NOx index, HCl and SO2Concentration also can be up to standard, but CO is periodically not
Phenomenon up to standard and high peak value finds that the rubbish is after pyrolysis it is difficult to ensure that feeding mechanism can produce refuse pyrolysis by checking
Object is uniformly sent into burning furnace cavity, and the rubbish for certain frequency occur, which substantially falls, causes CO periodically to ascend to heaven.Using the present invention
Technology conveys the cavity of waste and Pyrolytic waste using the trash burning furnace for having hot-fluid tissue as shown in Figure 3 after refuse breaking
1 is selected from shaftless double helix reactor in the prior art, and shaftless double helix reactor is arranged 3 groups altogether, and ability is sent in every group of reaction
For 10t/d.The flue that the outer wall of shaftless double helix has high-temperature flue gas to circulate indirectly heats rubbish, that is, has outer hot cell 4, inside has and
The high-temperature flue gas entry 5 fed from high-temperature flue gas circulating fan 26, high-temperature flue gas 3 are sent by high-temperature flue gas entry 5, are sent into
Amount ensures pyrolysis temperature within the scope of 600-650 DEG C, it is ensured that tar is not condensed, do not blocked in fugitive constituent transmission process.It is hot at this time
The share that the hot-fluid of solution fugitive constituent 8 accounts for rubbish total heat flow is 56-60%, and the hot-fluid share of pyrolytic carbon is 40-44%.Into combustion
Operating mode after burning chamber 6 is the same as embodiment 4.
After transformation after testing, the result is that: the range of CO is in 1-40mg/Nm3, up to standard.Other pollutants use existing cigarette
It is up to standard after scrubbing tower depickling, bag-type dust processing in gas purification techniques.Test dioxin finds that concentration of emission is
0.081ng/Nm3I-TEQ, it is up to standard.
Embodiment 6
Certain small towns house refuse day output is 30t/d, and aqueous 50-55% or more, Lower heat value is in 5.9-6.5 MJ/kg range
Interior, using the trash burning furnace for having hot-fluid tissue as shown in Figure 4, the cavity 1 of conveying and Pyrolytic waste is selected from shaftless double helix,
Totally 2 groups, every group of conveying capacity 15t/d, outside have high-temperature flue gas heat outer hot cell 4.Inside there is high-temperature flue gas entry 5.Combustion chamber 6
It finally maintains temperature at 400-550 DEG C, is preferably controlled within 450-500 DEG C.By refuse pyrolysis at fugitive constituent 8 and 7 liang of pyrolytic carbon
Stock hot-fluid, pyrolytic carbon 7 are fallen on following fire grate；The fire grate includes fixed grate 10, dynamic fire grate 11, is driven by driving mechanism 19
Dynamic fire grate 11 periodically moves back and forth；The first wind cabin 24 under the fire grate at pyrolytic carbon 7 just lowering position is only sent into few
The air of amount；Fugitive constituent 8 also enters combustion chamber 6 together with pyrolytic carbon 7 simultaneously and is fed immediately by air outlet 13 at the same time
Air is mixed and burned.After pyrolytic carbon is reached the top of the second wind cabin 24 by the main burning area that fugitive constituent is left in fire grate push, oxygen supply
Blower 21 is sent into enough air to the second wind cabin, supplies oxygen across pyrolytic carbon 7 of the fire grate on fire grate, promotes the combustion of pyrolytic carbon 7
Burning and after-flame, the burning of pyrolytic carbon 7 and the combustion chamber of fugitive constituent 8 are integrated, but the burning of fugitive constituent is in anteposition, the combustion of charcoal
Burning is delayed to misplace, in order to avoid local temperature is excessively high, on the one hand avoids the fluctuation that a large amount of carbon black and CO are generated in combustion process,
On the other hand it is convenient for reduction of the pyrolytic carbon 7 to NOx in flue gas.The afterburnt on fire grate of pyrolytic carbon 7 passes through 16 outlet of slag mouth.
Preferably working method is: blower 21 is blown by 3 wind cabins, 24 points of storehouses, wherein the air that first wind cabin is sent into
Amount is 0.15 times of theoretical air requirement；Second wind cabin oxygen-supplying amount is that pyrolytic carbon 7 burns the 80% of required theoretical air requirement, makes heat
Charcoal flash fire is solved, the burning formation of fugitive constituent is made up；The oxygen supply of third wind cabin is reduced, and is theoretical empty needed for pyrolytic carbon burning
The 20% of tolerance, the NOx of generation of promoting to burn in flue gas are restored and are promoted the melting of breeze.
Preferably, the air that air outlet 13 enters enters combustion chamber in the form of multiply, equal from front and rear sides with fugitive constituent 8
Even mixing and strong flow-disturbing is caused to flue gas.
Preferably, have chimney arch 23 between the combustion chamber and dual firing chamber 12 of fugitive constituent and pyrolytic carbon, the chimney arch 23 to oblique,
Guide functions are generated to the air-flow of burning.Its end has air stream to be sent into promotion mixing, dual firing chamber 12 in furnace with the speed of 25m/s
Inside there are multiple deflected current walls 12 to combine with oxygen supply port 13, forms disturbance and promote burning, flue gas goes out by the first cavity of dual firing chamber 12
Mouth 15 enters the second cavity of dual firing chamber, still has the combination of deflected current wall 22 and air outlet 13 to ensure after-flame here.Further, In
There is ash blowing mouth in the root (with furnace wall junction) of deflected current wall 22, and soot blowing air-flow is selected from compressed air or steam progress is periodically clear
Ash.
Fire door 9, which can watch the combustion position in furnace and open, carries out cleaning in furnace；Cleaning door 14 is located at dual firing chamber 12
Cavity end can open deashing.Insulating layer 18 is equipped with outside the furnace wall 20 of stove；It ensures that the heat of stove is not outer to dissipate.
The above-mentioned trash burning furnace for having hot-fluid tissue, be conducive to high-moisture house refuse realize cleaning burning and it is thorough
Bottom burning.
Optimally, steam collection port 17 is equipped in the top of garbage inlet hopper 2 collect the water vapour generated because dry,
And water vapour is sent into spray column and is condensed with recirculated cooling water spray, incoagulable foul smell imports combustion chamber 6.System support is existing
Flue gas purification device such as bag filter and wet scrubber tower, do not set denitrification.
Operation result: concentration 2-18ppm, the NOx:28-70 ppm of CO in smoke evacuation, other sour gas and dust reach
Mark；Testing dioxin discovery concentration of emission is 0.076ng/Nm3 I-TEQ。
Embodiment 7
Certain county's house refuse day output is 50t/d, and initial aqueous 55-60%, Lower heat value is at 6 MJ/kg or so, existing place
Reason scheme is then to be sent into gasification furnace with rotary kiln drying in the prior art to moisture 30% or so using crusher coarse crushing,
Hinder to run there are some problems: first is that the foul smell that dry very slow, drying generates is big, site environment is unsightly unhygienic；Second is that
Gasification furnace often cannot normally gasify, and the fuel gases calorific value of generation is very low, the temperature that subsequent dual firing chamber does not reach requirement；Third is that
Originally the steam boiler matched cannot normally generate water vapour, so that user prepares to abandon using steam herein.
Renovation technique uses combustion furnace scheme of the invention, sees Fig. 4；Retain original primary mill, dumping is set
Storehouse is crushed for dumping 3 days or more again, is reduced to 50% or so or lower into furnace moisture.Rubbish passes through conveying waste after broken
Combustion chamber 6 is sent into the cavity 1 of Pyrolytic waste；The cavity 1 for conveying waste and Pyrolytic waste is selected from shaftless double helix, and totally 4 groups, often
Group conveying capacity 15t/d.Waste is pyrolyzed in conveying and generates fugitive constituent 8 and the feeding combustion chamber 6 of pyrolytic carbon 7, in order to promote rubbish
Drying and pyrolysis, conveying waste and Pyrolytic waste cavity 1 outside be equipped with outer hot cell 4, inside be equipped with high-temperature flue gas entry
5.High-temperature flue gas entry 5 realizes pyrolysis temperature at 400-550 DEG C by being sent into high-temperature flue gas 3, and under the action of outer hot cell 4
In range, it is preferably controlled within 450 DEG C or so.The pyrolytic carbon 7 being discharged from the cavity 1 of conveying waste and Pyrolytic waste falls in following
Fire grate on；The fire grate includes fixed grate 10 and dynamic fire grate 11, drives dynamic fire grate 11 periodically reciprocal fortune by driving mechanism 19
It is dynamic；The air capacity that first wind cabin under the fire grate at pyrolytic carbon 7 just lowering position is sent into is reason needed for pyrolytic carbon burning
By the 20% of air capacity；Fugitive constituent 8 enters combustion chamber 6 together with pyrolytic carbon 7 simultaneously and is fed immediately by air outlet 13 at the same time
Air be mixed and burned.Pyrolytic carbon 7 is pushed the top for leaving second wind cabin of main burning area arrival of fugitive constituent 8 by fire grate 11
Afterwards, oxygen supply blower 21 is sent into the 75% of pyrolytic carbon burning required air quantity from second wind cabin 24 on fire grate, promotes pyrolytic carbon 7
Burning and after-flame, the burning of pyrolytic carbon 7 and the combustion chamber 6 of fugitive constituent 8 be it is integrated, surrounded by furnace wall, fire grate, originate in heat
The position that solution charcoal 7 is fallen, the burning of fugitive constituent 8 are delayed slightly to misplace in the burning of anteposition, pyrolytic carbon 7, in order to avoid part temperature
Spend height, avoid the second pyrolysis of fugitive constituent in combustion process generate a large amount of carbon black and pyrolytic carbon 7 violent gasification generate it is big
On the other hand the CO of amount is convenient for reduction of the pyrolytic carbon 7 to NOx in flue gas.The afterburnt on fire grate of pyrolytic carbon 7 passes through slag mouth 16
Outlet.Furnace cavity from fire grate front end to slag mouth top has slanting water conservancy diversion chimney arch 23, convenient for promoting in flue gas various groups
Point mixing, the end end of the chimney arch 23 at 16 upper end of slag mouth has 25% burning total oxygen demand to spray into the speed of 35m/s,
Promote flow-disturbing and mixing, realize completely burned, i.e. the rear end of combustion chamber 6, upper part space are dual firing chamber 12 herein, are inside disposed with
Multiple deflected current walls 22 and its narrow place for air port 13, to promote the after-flame of the ingredients such as carbon granule and CO.
The effect tested after transformation is: concentration 0-12ppm, the NOx:21-61 ppm of CO in smoke evacuation, other sour gas and
Dust is a small amount of, utilizes existing flue gas purification device such as bag filter and wet scrubber tower, it is easy to handle HCl, SO2With
Dust makes its emission compliance；Testing dioxin discovery concentration of emission is 0.08ng/Nm3I-TEQ.And waste heat boiler is stablized production and is steamed
3 T/h of vapour, is received by user.
It is described above that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand,
But embodiments of the present invention are not represented and are only limitted to this, any technology done according to the present invention extends or recreation, is sent out by this
Bright protection.
Claims (10)
1. a kind of trash burning furnace for having hot-fluid tissue, by the cavity of conveying waste and Pyrolytic waste, fugitive constituent transfer passage,
Transfer passage, furnace wall, combustion chamber and the dual firing chamber's composition of pyrolytic carbon；The combustion chamber and dual firing chamber are located in furnace wall, feature
It is:
The cavity of conveying waste and Pyrolytic waste is separately connected one end of the transfer passage of fugitive constituent and the transfer passage of pyrolytic carbon,
The transfer passage of pyrolysis devolatilization part and the transfer passage of pyrolytic carbon are to separate；The transfer passage and pyrolytic carbon of fugitive constituent
The other end of transfer passage be separately connected combustion chamber, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is located at same cavity
It is interior, the air hose of oxygen supply is equipped in combustion chamber, the air hose is for controllably supplying oxygen the burning of fugitive constituent；The lower end of combustion chamber
Fire grate equipped with support and mobile pyrolytic carbon, the pyrolytic carbon are moved and are burnt on fire grate；Make to be pyrolyzed by the adjustment of oxygen supply
The burning of charcoal is that the burning of anteposition, fugitive constituent is rear position；The combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon passes through upper oblique
Formula baking oven is connected to dual firing chamber；
Or: the cavity of conveying waste and Pyrolytic waste is separately connected the transfer passage of fugitive constituent and the transfer passage of pyrolytic carbon
One end, the transfer passage of pyrolysis devolatilization part and the transfer passage of pyrolytic carbon are integrated；Fugitive constituent and pyrolytic carbon it is defeated
The other end in channel is sent to connect combustion chamber, the combustion chamber of described pyrolysis devolatilization part and pyrolytic carbon is located in same cavity, combustion chamber
The interior air outlet for being equipped with oxygen supply, the air outlet is for controllably supplying oxygen the burning of fugitive constituent；The lower end of combustion chamber is equipped with
The fire grate of support and mobile pyrolytic carbon, the pyrolytic carbon are moved and are burnt on fire grate, wherein the burning of fugitive constituent be anteposition,
The burning of pyrolytic carbon is rear position；Described pyrolysis devolatilization part is connected to dual firing chamber by slanting baking oven with the combustion chamber of pyrolytic carbon；
The trash burning furnace for having hot-fluid tissue is real by the adjusting of pyrolysis temperature and the separated adjustment for the required air that burns
Now two strands of hot-fluids of fugitive constituent and pyrolytic carbon is controllable, but two strands of hot-fluids make up and promote mutually in combustion chamber, useless to cope with
The fluctuation of object moisture and component maintains the stabilization of temperature and prevents and treats the generation of NOx.
2. a kind of trash burning furnace for having hot-fluid tissue according to claim 1, it is characterised in that: the conveying of fugitive constituent is logical
The outlet connection of road other end connection combustion chamber has air outlet, and to supply oxygen (air), air is from the two sides that fugitive constituent exports
It is sent into, oxygen supply makes the quick after-flame of fugitive constituent rapidly；By the size for adjusting the amount that two sides air is fed, thus it is possible to vary fugitive constituent exists
The position of primary combustion zone in combustion chamber.
3. a kind of trash burning furnace for having hot-fluid tissue according to claim 1, it is characterised in that: described pyrolysis devolatilization part
Combustion chamber with pyrolytic carbon is the space surrounded by fire grate and furnace wall, and the combustion chamber starts from the inlet for being connected to pyrolytic carbon,
Namely starting from the end of the pyrolytic carbon transfer passage, pyrolytic carbon drops on fire grate；The fire grate has conveying pyrolysis
Charcoal and the function of burning through oxygen (air) for pyrolytic carbon, at least provided with 3 wind cabins, the wind cabin is used for for the fire grate lower section
It is sent into air, makes the feeding of air that there is good tissue, so that the combustion heat release of charcoal is controlled or even the lime-ash quilt of charcoal burning
Partial melting.
4. a kind of trash burning furnace for having hot-fluid tissue according to claim 3, it is characterised in that: the fire grate is by moving furnace
Row and fixed grate form, and the blower of the wind cabin connection oxygen supply under the fire grate, the fire grate rearmost end space above is to wave
The tail end of the combustion chamber of part and pyrolytic carbon is sent out, the dynamic fire grate connects driving mechanism, for driving dynamic fire grate to make periodically reciprocal fortune
It is dynamic.
5. a kind of trash burning furnace for having hot-fluid tissue according to claim 3, it is characterised in that: described pyrolysis devolatilization part
Combustion chamber with pyrolytic carbon is the gradually wealthy space opened surrounded by fire grate, furnace wall and chimney arch, to meet fugitive constituent and charcoal simultaneously
The requirement of space enlargement needed for burning and air-flow mixing, the turning point of chimney arch has high-speed flow to be blown into；Fire grate following first
The air that wind cabin is sent into makes pyrolytic carbon burn immediately.
6. a kind of trash burning furnace for having hot-fluid tissue according to claim 3, it is characterised in that: described pyrolysis devolatilization part
Combustion chamber with pyrolytic carbon is to push the space that water conservancy diversion is formed by fire grate, furnace wall and chimney arch, to meet fugitive constituent burning to pyrolysis
The reduction requirement of charcoal burning made up with NOx, the turning point of chimney arch has high-speed flow to be blown into；Institute is dropped into the pyrolytic carbon
After on the fire grate stated, first wind cabin under fire grate is sent into air capacity and is not sent into air even seldom；Pyrolytic carbon by fire grate to
Before be transported at the position of second wind cabin and start largely to be sent into air burning.
7. a kind of trash burning furnace for having hot-fluid tissue according to claim 1, it is characterised in that: cloth in the dual firing chamber
Several deflected current walls are equipped with, oxygen supply port are equipped at the narrow place of each deflected current wall, to promote turbulent flow and mixing；Described baffling the foot of a wall
Portion is provided with soot blower, selective sootblowing with furnace wall junction.
8. a kind of trash burning furnace for having hot-fluid tissue according to claim 1, it is characterised in that: the conveying and heat
The pyrolysis cavity of solution waste not only realizes the pyrolysis of waste, also realizes hot-fluid with fugitive constituent stream and heat by the adjusting of pyrolysis temperature
It solves the organized distribution of charcoal stream: being equipped with high-temperature flue gas import in the waste pyrolysis cavity, according to pyrolysis temperature in pyrolysis cavity
Degree limits to control the circulated heat of flue gas, and there are also outer hot cells in the outside of the waste pyrolysis chamber, for assisting heating to waste
And heat preservation.
9. a kind of trash burning furnace for having hot-fluid tissue according to claim 8, it is characterised in that: the pyrolysis devolatilization
When the transfer passage of the transfer passage and pyrolytic carbon of part separates, the circulated heat for controlling flue gas makes the intracavitary pyrolysis temperature of the pyrolysis
Degree is limited to 500-650 DEG C, realizes that waste accounts for the 50-60% of waste total hot-fluid share, the pyrolysis in the hot-fluid share of fugitive constituent
Charcoal enter after combustion chamber its convey all air capacities needed for supply burning under fire grate, promote fugitive constituent and pyrolytic carbon burning and
After-flame avoids the fugitive constituent second pyrolysis in combustion-gas flow from forming carbon black or the excessive CO of pyrolytic carbon generation.
10. a kind of trash burning furnace for having hot-fluid tissue according to claim 8, it is characterised in that: the pyrolysis is waved
Send out part transfer passage and pyrolytic carbon transfer passage one when, it is described pyrolysis chamber temperature be 400-550 DEG C, realize waste exist
Hot-fluid distribution between fugitive constituent and pyrolytic carbon, and the hot-fluid share of pyrolytic carbon accounts for the 50-60% of waste total hot-fluid share, pyrolysis
Wind cabin oxygen deprivation or a small amount of oxygen supply, the subsequent all air quantity re-supplied needed for burning under the fire grate at the charcoal place of falling；It avoids firing
It burns fugitive constituent second pyrolysis in air-flow and forms carbon black or the excessive CO of pyrolytic carbon generation.
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