CN107892952A - A kind of two-part slag gasification furnace - Google Patents
A kind of two-part slag gasification furnace Download PDFInfo
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- CN107892952A CN107892952A CN201711114901.3A CN201711114901A CN107892952A CN 107892952 A CN107892952 A CN 107892952A CN 201711114901 A CN201711114901 A CN 201711114901A CN 107892952 A CN107892952 A CN 107892952A
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- cylinder
- inner member
- side wall
- heat transfer
- gasification furnace
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/721—Multistage gasification, e.g. plural parallel or serial gasification stages
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention relates to a kind of two-part slag gasification furnace, including cylinder, it is provided with cylinder along the axial arranged optimization heat transfer inner member of cylinder, optimization heat transfer inner member includes the central tube that is sequentially arranged from inside to outside and is wrapped on the outside of central tube and gradually thick flame retardant coating from top to bottom, the upper end of optimization heat transfer inner member and the upper end of cylinder are fastenedly connected, the upper end of cylinder is provided with the charging entrance connected with optimization heat transfer inner member, toroidal cavity is formed between the side wall of optimization heat transfer inner member and the side wall of cylinder, the hypomere outlet of connection toroidal cavity is provided with the side wall of cylinder, the epimere outlet of cylinder lateral wall is provided through in the side wall of optimization heat transfer inner member；It is provided with the bottom of cylinder in funnelform molten slag bath, storage slag bath is fastenedly connected in the bottom of molten slag bath, multiple gasifying agent nozzles are circumferentially evenly arranged with the side wall of the bottom of cylinder, gasifying agent nozzle is in 0~90 ° with horizontal plane angle.
Description
Technical field
The present invention relates to a kind of two-part slag gasification furnace, belong to coal gasification apparatus field.
Background technology
Traditional fixed bed slag gasification furnace, lump coal are added by top of gasification furnace, and superheated vapour and the oxygen of mixing are made
Gasification furnace bottom is sprayed into by nozzle for gasifying agent and carries out gasification reaction.In gasification furnace, coal and high-temperature gas caused by gasifying agent
Reverse contact, from top to bottom through drying, destructive distillation, gasification and final oxidizing fire.The mixing of gasification product gas, tar and vapor
Thing is discharged by top of gasification furnace.Simultaneously as burning zone provides more than 2000 DEG C of high temperature, the lime-ash for the furnace bottom that gasifies is with liquid
State form is discharged into slag bath, and water cooling plant is discharged into through dreg removing system after.
In actual production, for fixed bed slag gasification furnace in addition to producing coal gas, the tar of its by-product also has high add
Value, higher economic benefit can be obtained by improving tar yield and quality.Fixed bed slag gasification furnace is fed using lump coal, coal dust folder
Band or lump coal granularity be not up to standard, and its caused dust can be carried secretly with air-flow and go out to form tar slag, and because gasification section is produced
Tar and phenols content in thing gas is relatively low, is all passed through after retort section and dilutes stock gas, the tar content drop in coal gas
It is low so that the extraction difficulty of tar is larger.Meanwhile in typical fixed bed slag gasification furnace, the high-temperature product gas of gasification section is straight
Connect and rise to retort section and provide heat for dry distillation reactor, temperature tar in production, its yield and quality are compared with low temperature distillation
Drop.
The content of the invention
For problem present in background technology, it is an object of the invention to provide one kind can obtain high-quality, high yield
The tar of amount, and the two-part slag gasification furnace with high gasification efficiency.
To achieve the above object, the present invention uses following technical scheme：A kind of two-part slag gasification furnace, its feature exist
In：Including cylinder, it is provided with the cylinder along the axial arranged optimization heat transfer inner member of the cylinder, the optimization heat transfer
Inner member includes the central tube being sequentially arranged from inside to outside and is wrapped in the central tube outside and the gradually fire resisting of thickness from top to bottom
Layer, the upper end and the upper end of the cylinder of the optimization heat transfer inner member are fastenedly connected, and the upper end of the cylinder is provided with and institute
State the charging entrance of optimization heat transfer inner member connection, structure between the side wall of the optimization heat transfer inner member and the side wall of the cylinder
Into the toroidal cavity, the hypomere outlet for connecting the toroidal cavity, the optimization heat transfer are provided with the side wall of the cylinder
The epimere outlet of the cylinder lateral wall is provided through in the side wall of inner member；It is provided with the bottom of the cylinder in funnel-form
Molten slag bath, be fastenedly connected storage slag bath in the bottom of the molten slag bath, it is circumferentially uniform in the side wall of the bottom of the cylinder
Multiple gasifying agent nozzles are provided with, the gasifying agent nozzle is in 0~90 ° with horizontal plane angle.
Shock chamber is set in the bottom of the molten slag bath, downward opening fire insulation cover is provided with below the storage slag bath,
Smoke discharge pipe is set in the inside of the shock chamber, the arrival end of the smoke discharge pipe is stretched into the fire insulation cover, is exported
End passes the side wall of the cylinder, and the side wall of the storage slag bath or bottom are provided with scum pipe, and the entrance of the scum pipe is higher than
The bottom surface of the storage slag bath, burning spray gun is provided with the side wall of the cylinder, and the outlet of the scum pipe is sprayed with the burning
The outlet of rifle is arranged in the fire insulation cover.
Coolant is housed, the openend of the fire insulation cover is located at below the liquid level of the coolant, institute in the shock chamber
The arrival end for stating smoke discharge pipe is arranged in the fire insulation cover higher than the liquid level of coolant, is provided with the smoke discharge pipe
The diffusion valve of exhaust is controlled, the pipeline of the smoke discharge pipe, which spirals, to be arranged in the coolant.
Agitating device is provided with the optimization heat transfer inner member, the agitating device is included along the optimization heat transfer
The axial arranged rotating shaft of component and the multiple rake teeths being arranged in the rotating shaft, the rotating shaft are connected with the barrel body rotation,
The upper end of the rotating shaft is stretched out the cylinder top and is connected with the output end of the rotating shaft drive device.
The central tube uses high temperature stainless steel material, and the flame retardant coating is using steel fibre is contained, and it is by refractory aggregate, fire resisting
Powder, bonding agent and steel fibre composition；The bus of the flame retardant coating outer wall with axis angle in the range of 0 °~40 °, it is and described
Flame retardant coating uses segmental structure, and each section of refractory material has different thermal conductivity factors.
The gasifying agent nozzle on the cylinder lateral wall is one or more layers.
The gasifying agent nozzle is multilayer, and the projection of the axis of each layer gasifying agent nozzle in the horizontal plane and institute are in place
The angle for putting the normal of cylinder is more than or equal to 0 ° and less than 90 °.
Angle between the center line and horizontal plane of the scum pipe is more than or equal to 0 °；The bottom connection of the cylinder is set
There is water-supply-pipe；For the fire insulation cover in cube or cylindrical tubular structure, the fire insulation cover uses air-cooled structure, and inwall is set
There is gas vent.
The side wall of the molten slag bath and the storage slag bath includes the refractory material and cold-water wall set from inside to outside.
The burning spray gun is stretched into the shock chamber by the passage in shock chamber's side wall, the burning spray gun
Center line is arranged on the upper of the scum pipe axis, and the burning spray gun uses multi-channel structure, and it includes being used to be passed through combustion gas
Central tube and positioned at the central tube periphery be used for be passed through the outside endless tube of air.
For the present invention due to taking above technical scheme, it has advantages below：1st, set in the side wall of middle cylinder body of the present invention
There is hypomere outlet, optimization heat transfer inner member is axially provided with cylinder, is provided with and communicated with the side wall of optimization heat transfer inner member
The epimere outlet of cylinder is stretched out, brings heat in optimization heat transfer inner member into by the high-temperature gasification product that gasification reaction is formed,
The temperature difference is small from top to bottom and temperature is low compared to slag area in optimization heat transfer inner member, and gasification product is carried out with gasified raw material here
Destructive distillation generates high-quality tar, exports discharge from epimere after drying, therefore the gas content of epimere outlet is low, dust entrainment
Few, dregs of fat amount reduces, and tar content is high so that tar extraction is simple；Handled from the gas of hypomere outlet discharge without destructive distillation,
Therefore tar content is low, and gas content is high, and dust content is few.2nd, the optimization heat transfer inner member that the present invention is set on gasification furnace top
The refractory material of the different thermal conductivity factors of upper arrangement, thus its enable to temperature in optimization heat transfer inner member to be consistent so as to
Improve the yield and tar quality of tar.3rd, top of gasification furnace of the invention is provided with agitating device, and it passes through Stirring
So that the gasified raw material heat transfer in optimization heat transfer inner member is evenly, while the gasified raw material for avoiding caking property strong is bonded in optimization
Cause bed unstable on the inwall of heat transfer inner member.4th, the present invention in scum pipe be arranged on storage slag bath on, the outlet of scum pipe and
The outlet of Fuel lance is arranged in the open fire insulation cover in the closed bottom in top, and the sealed end for storing up slag bath stretches out the closed of fire insulation cover
Hold and close contact, the opening end of fire insulation cover are arranged on below cooling-liquid level, heat smoke passes through deslagging caused by burning spray gun
Pipe enter storage slag bath in, therefore store up slag bath in melt cinder be in preferable flow regime with prevent melt cinder in scum pipe it is cold
It is solidifying, while also act as the effect of support slag.5th, slag slag bath of the invention uses Split type structure, is easy for installation and maintenance.Can only more
Easily worn part is changed, reduces the cost of maintenance slag bath.6th, deslagging tube inlet is higher than slag bath bottom in the present invention, makes what is separated out in melt cinder
Deposition of iron in slag bath bottom without being deposited in scum pipe, therefore effectively avoid analyse iron caused by deslagging blockage.7th, this hair
Bright burning spray gun is stretched into shock chamber by the passage in shock chamber's side wall, therefore is operated when burning spray gun repairs or changes
It is convenient.8th, fire insulation cover makes high-temperature flue gas caused by burning lance combustion in it corrode less than connection molten slag bath and storage slag in the present invention
The flange in pond, therefore be able to protect flange, avoid often maintenance and change flange.
Brief description of the drawings
Fig. 1 is two-part slag gasification furnace overall structure sketch of the present invention；
Fig. 2 is the half-sectional structure diagram of present invention optimization heat transfer inner member；
Fig. 3 is the structural representation of agitating device of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the present invention includes cylinder 1, is provided with along the axial arranged optimization of cylinder 1 and passes in cylinder 1
Hot inner member 2, its tubular central tube 3 for including being sequentially arranged from inside to outside and is wrapped in the outside of central tube 3 and from up to
Under gradually thick flame retardant coating 4, the upper end and the upper end of cylinder 1 of optimization heat transfer inner member 2 be fastenedly connected, the upper end of cylinder 1 is provided with
The charging entrance 16 connected with optimization heat transfer inner member 2.Formed between the side wall of optimization heat transfer inner member 2 and the side wall of cylinder 1
Toroidal cavity, the hypomere outlet 6 of connection toroidal cavity is provided with the side wall of cylinder 1, is set in the side wall of optimization heat transfer inner member 2
The epimere being equipped with through the side wall of cylinder 1 exports 5.It is provided with the bottom of cylinder 1 in funnelform molten slag bath 8, in molten slag bath 8
Bottom is fastenedly connected storage slag bath 9, and multiple gasifying agent nozzles 7 are circumferentially evenly arranged with the side wall of the bottom of cylinder 1, gasifies
Agent nozzle 7 is 0~90 ° with horizontal plane angle.The gasifying agent added by gasifying agent nozzle 7 and the gasification added from charging entrance 16
Raw material is burnt and gasification reaction, react formation high-temperature gasification product enter optimization heat transfer inner member 2 in gasified raw material
Countercurrent flow, makes gasified raw material carry out destructive distillation generation tar, and drying section is exported from epimere and discharged.Due to epimere outlet 5
Gas yield reduce, reduce dust entrainment, caused dregs of fat amount reduces, and tar content is high in gas in upper segment so that tar
Extraction is simple.The gas discharged from hypomere outlet 6 is free of tar without retort section, and gas purification process is simple.
In above-described embodiment, molten slag bath 8 bottom set shock chamber 10, storage slag bath 9 lower section be provided with it is opening down
Fire insulation cover 12, smoke discharge pipe 15 is set in the inside of shock chamber 10, the arrival end of smoke discharge pipe 15 stretches into fire insulation cover 12
In, the port of export passes the side wall of cylinder 1, its be used for by melt cinder cool down caused by fume emission to the external world.Store up the side wall of slag bath 9
Or bottom is provided with scum pipe 13, the entrance of scum pipe 13 is higher than the bottom surface for storing up slag bath 9, therefore the deposition of iron separated out in melt cinder exists
Store up the bottom of slag bath 9 and avoid melt cinder from analysing the outlet obstruction that iron causes scum pipe 13, burning spray gun is provided with the side wall of cylinder 1
11, the outlet of scum pipe 13 is arranged in fire insulation cover 12 with the outlet of burning spray gun 11, and heat smoke caused by burning spray gun 11 leads to
Cross scum pipe 13 to enter in storage slag bath 9, ensure that the melt cinder in storage slag bath 9 is in preferable flow regime to prevent melt cinder from arranging
Condensed in slag pipe 13, while also act as the effect of support slag.
In above-described embodiment, coolant is housed in shock chamber 10, the openend of fire insulation cover 12 be located at the liquid level of coolant with
Under, the liquid level of fire insulation cover 12 and coolant forms water seal, and the arrival end of smoke discharge pipe 15 is higher than the liquid level of coolant, flue gas row
The diffusion valve that control exhaust is provided with pipe 15 is put, the pipeline of smoke discharge pipe 15, which spirals, is arranged on the coolant of shock chamber 10
In, diffusion valve is opened after the pressure differential in the top of molten slag bath 8 and fire insulation cover 12 reaches certain value, and smoke discharge pipe 15 discharges cigarette
Gas, so as to play a part of controlling pressure in fire insulation cover 12.
In above-described embodiment, as shown in figure 3, being provided with agitating device 14, agitating device 14 in optimization heat transfer inner member 2
Including the axial arranged rotating shaft 141 along optimization heat transfer inner member 2 and the multiple rake teeths 142 being arranged in rotating shaft 141, rotating shaft
141 are rotatablely connected with cylinder 1, and the top of cylinder 1 and defeated with rotating shaft drive device (not shown) is stretched out in the upper end of rotating shaft 141
Go out end connection.The raw material added from charging entrance 16 includes coal, semicoke, rubbish, biomass etc., is made by gyratory agitation device 14
The gasified raw material that must optimize in heat transfer inner member 2 conducts heat evenly, while the raw material generation bonding for avoiding caking property strong causes bed
Layer is unstable, improves the adaptability to raw material of gasification furnace.
In above-described embodiment, central tube 3 uses high temperature stainless steel material, and flame retardant coating 4 uses steely fiber fireproof material, by
Refractory aggregate, refractory powder, bonding agent and steel fibre form, preferably corundum, Gao Ge, carborundum or silicon nitride etc., outside flame retardant coating 4
The bus and axis angle of wall are in the range of 0 °~40 °, and flame retardant coating 4 uses segmental structure, and each section of refractory material has difference
Thermal conductivity factor, therefore it can be consistent the temperature of optimization heat transfer inner member, improve the yield and tar quality of tar.
In above-described embodiment, the gasifying agent nozzle 7 in the side wall of cylinder 1 is one or more layers, the axle of each layer gasifying agent nozzle 7
The angle of the projection of line in the horizontal plane and the normal of position cylinder is more than or equal to 0 ° and less than 90 °.By charging entrance 16
The gasified raw material of addition carries out gasification reaction with the gasifying agent added by gasifying agent nozzle 7, and gasifying agent is oxygen, vapor, two
A kind of or several mixture such as carbonoxide.
In above-described embodiment, the angle between the center line and horizontal plane of scum pipe 13 is more than or equal to 0 °, and scum pipe 13 is
One single-casting simultaneously uses water-cooling structure, and it is fixed on storage slag bath 9 by flange, can be easy to more when scum pipe 13 damages
Change.
In above-described embodiment, the upper end of storage slag bath 9 is connected by flange with the lower end of molten slag bath 8, molten slag bath 8 and storage slag bath
9 side wall includes the refractory material and cold-water wall set from inside to outside, and the refractory material of storage slag bath 9 need to have stronger anti-clinker
The ability corroded with molten iron, preferred microporous corundum brick, carbon composite brick, Sialon combined corundum brick etc..
In above-described embodiment, fire insulation cover 12 uses air-cooled structure in cube or cylindrical tubular structure, fire insulation cover 12,
Inwall is provided with gas vent, avoids fire insulation cover 12 from being burnt, and fire insulation cover 12 makes high-temperature flue gas caused by burning corrode less than even
Connect molten slag bath 8 and store up the flange of slag bath 9, therefore be able to protect the effect of flange connection.
In above-described embodiment, burning spray gun 11 is stretched into shock chamber 10 by the passage in shock chamber's side wall, burning spray gun
11 use multi-channel structure, and it includes the central tube for being passed through combustion gas and is used to be passed through the outer of air positioned at central tube periphery
Side ring pipe, directly it can be extracted out out of stove when changing burning spray gun 11, it is easy to operate.
In above-described embodiment, the bottom of cylinder 1 is provided with and communicated with water-supply-pipe 17, and shock chamber 10 can be easily changed by it
In coolant.
The operation principle of the two-part slag gasification furnace of the present invention is as follows：
The lower port that coolant is higher than fire insulation cover 12 to liquid level is poured into shock chamber 10.By the entrance 16 that feeds to gasification
Gasified raw material is added in stove, the gasifying agent that gasifying agent nozzle 7 sprays carries out gasification reaction, shape with gasified raw material in molten slag bath 8
Into high-temperature slag area, heat is brought into optimization heat transfer inner member 2 by the high-temperature gasification product that gasification reaction is formed, optimization passes
The temperature difference is small from top to bottom in hot inner member 2 and temperature is low compared to slag area, and gasification product carries out destructive distillation with gasified raw material here
High-quality tar is generated, tar is after drying from the discharge of epimere outlet 5, therefore the gas content of epimere outlet 5 is low, dust entrainment
Few, dregs of fat amount reduces, and tar content is high；Handled from the gas of the discharge of hypomere outlet 6 without destructive distillation, therefore tar content is low,
Gas content is high, and dust content is few.
Gasifying agent nozzle 7 sprays caused melt cinder in gasification furnace gasification and is pooled to by molten slag bath 8 in storage slag bath 9,
Constantly accumulated in storage slag bath 9；Heat smoke caused by burning spray gun 11 is entered in storage slag bath 9 by scum pipe 13, ensures storage
Melt cinder in slag bath 9 is in preferable flow regime to prevent melt cinder from being condensed in scum pipe 13, while also acts as the work of support slag
With.
After the pressure difference in molten slag bath top and fire insulation cover 12 reaches certain value, the diffusion valve on smoke discharge pipe 15 is opened
To reduce the pressure in fire insulation cover 12, while the gas flow rate of burning spray gun 11 is reduced, carry out deslagging；When gasification furnace and fire insulation cover
After pressure difference in 12 is reduced to certain value, the diffusion valve on closing smoke discharge pipe 15, while improve the gas of burning spray gun 11
Flow velocity, stop deslagging, complete a tapping process in summary.
During gasifier operation, such as it is in the presence of stopping in emergency, by controlling burning spray gun 11 to spray to gasification furnace
Enter the flow velocity of nitrogen, avoid melt cinder from entering in shock chamber 9 and condense, result in blockage, influence being again started up for gasification furnace.
The present invention is only illustrated with above-described embodiment, and structure, set location and its connection of each part are all to have
Changed, on the basis of technical solution of the present invention, all improvement carried out according to the principle of the invention to individual part and equivalent
Conversion, should not be excluded outside protection scope of the present invention.
Claims (10)
- A kind of 1. two-part slag gasification furnace, it is characterised in that：Including cylinder, it is provided with the cylinder along the drum shaft Optimization heat transfer inner member to arrangement, the optimization heat transfer inner member include the central tube being sequentially arranged from inside to outside and are wrapped in On the outside of the central tube and from top to bottom gradually thick flame retardant coating, the upper end and the upper end of the cylinder of the optimization heat transfer inner member It is fastenedly connected, the upper end of the cylinder is provided with the charging entrance connected with the optimization heat transfer inner member, the optimization heat transfer The toroidal cavity is formed between the side wall of inner member and the side wall of the cylinder, connection institute is provided with the side wall of the cylinder The hypomere outlet of toroidal cavity is stated, the epimere that the cylinder lateral wall is provided through in the side wall of the optimization heat transfer inner member goes out Mouthful；It is provided with the bottom of the cylinder in funnelform molten slag bath, storage slag bath is fastenedly connected in the bottom of the molten slag bath, Multiple gasifying agent nozzles are circumferentially evenly arranged with the side wall of the bottom of the cylinder, the gasifying agent nozzle presss from both sides with horizontal plane Angle is in 0~90 °.
- A kind of 2. two-part slag gasification furnace as claimed in claim 1, it is characterised in that：Set in the bottom of the molten slag bath Shock chamber, described store up are provided with downward opening fire insulation cover below slag bath, fume emission are set in the inside of the shock chamber Pipe, the arrival end of the smoke discharge pipe are stretched into the fire insulation cover, and the port of export passes the side wall of the cylinder, the storage slag bath Side wall or bottom be provided with scum pipe, the entrance of the scum pipe is higher than the bottom surface of the storage slag bath, the side wall of the cylinder On be provided with burning spray gun, the outlet and the outlet of the burning spray gun of the scum pipe are arranged in the fire insulation cover.
- A kind of 3. two-part slag gasification furnace as claimed in claim 2, it is characterised in that：Equipped with cooling in the shock chamber Liquid, the openend of the fire insulation cover are located at below the liquid level of the coolant, and the arrival end of the smoke discharge pipe is higher than cooling The liquid level of liquid is arranged in the fire insulation cover, and the diffusion valve of control exhaust, the flue gas row are provided with the smoke discharge pipe The pipeline for putting pipe spirals and is arranged in the coolant.
- A kind of 4. two-part slag gasification furnace as claimed in claim 1, it is characterised in that：In the optimization heat transfer inner member Agitating device is provided with, the agitating device includes along the axial arranged rotating shaft for optimizing the inner member that conducts heat and is arranged on institute Multiple rake teeths in rotating shaft are stated, the rotating shaft is connected with the barrel body rotation, and the cylinder top is stretched out in the upper end of the rotating shaft And it is connected with the output end of rotating shaft drive device.
- A kind of 5. two-part slag gasification furnace as claimed in claim 1, it is characterised in that：The central tube is stainless using high temperature Steel material, the flame retardant coating is using steel fibre is contained, and the steel fibre that contains is by refractory aggregate, refractory powder, bonding agent and steel fibre Composition；The bus and axis angle of the flame retardant coating outer wall are in the range of 0 °~40 °, and the flame retardant coating uses segmental structure, Each section of refractory material has different thermal conductivity factors.
- A kind of 6. two-part slag gasification furnace as claimed in claim 1, it is characterised in that：The gas on the cylinder lateral wall Agent nozzle is one or more layers.
- A kind of 7. two-part slag gasification furnace as claimed in claim 6, it is characterised in that：The gasifying agent nozzle is multilayer, The projection of the axis of each layer gasifying agent nozzle in the horizontal plane and the angle of the normal of position cylinder are more than or equal to 0 ° And less than 90 °.
- A kind of 8. two-part slag gasification furnace as claimed in claim 2, it is characterised in that：The center line and water of the scum pipe Angle between plane is more than or equal to 0 °；The bottom of the cylinder is provided with and communicated with water-supply-pipe；The fire insulation cover in cube or The tubular structure of cylinder, the fire insulation cover use air-cooled structure, and inwall is provided with gas vent.
- A kind of 9. two-part slag gasification furnace as claimed in claim 1, it is characterised in that：The molten slag bath and the storage slag bath Side wall include the refractory material and cold-water wall that set from inside to outside.
- A kind of 10. two-part slag gasification furnace as claimed in claim 2, it is characterised in that：The burning spray gun use is more logical Road structure, it includes the central tube for being passed through combustion gas and the outer side ring for being used to be passed through air positioned at the central tube periphery Pipe.
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| CN201711114901.3A CN107892952B (en) | 2017-11-13 | 2017-11-13 | A kind of two-part slag gasification furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913210A (en) * | 2018-08-29 | 2018-11-30 | 云南煤化集团工程技术有限公司 | A kind of fixed bed slag gasification furnace cloth temperature regulating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BE1028248B1 (en) * | 2021-01-08 | 2021-11-30 | Univ Anhui Sci & Technology | Dry slag discharge fluidized bed gasification reactor |
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| CN108913210A (en) * | 2018-08-29 | 2018-11-30 | 云南煤化集团工程技术有限公司 | A kind of fixed bed slag gasification furnace cloth temperature regulating device |
| CN108913210B (en) * | 2018-08-29 | 2024-01-23 | 云南煤化集团工程技术有限公司 | Fixed bed slag gasifier cloth temperature regulating device |
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