CN107892952B - A kind of two-part slag gasification furnace - Google Patents
A kind of two-part slag gasification furnace Download PDFInfo
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- CN107892952B CN107892952B CN201711114901.3A CN201711114901A CN107892952B CN 107892952 B CN107892952 B CN 107892952B CN 201711114901 A CN201711114901 A CN 201711114901A CN 107892952 B CN107892952 B CN 107892952B
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- cylinder
- heat transfer
- inner member
- side wall
- slag bath
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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
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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
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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
Abstract
The present invention relates to a kind of two-part slag gasification furnaces, including cylinder, the optimization heat transfer inner member axially arranged along cylinder is provided in cylinder, optimization heat transfer inner member includes the central tube being 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 being connected to optimization heat transfer inner member, toroidal cavity is constituted between the side wall of optimization heat transfer inner member and the side wall of cylinder, the lower section outlet of connection toroidal cavity is provided on the side wall of cylinder, the upper section outlet of cylinder lateral wall is provided through on the side wall of optimization heat transfer inner member；It is provided with molten slag bath funnel-shaped in the bottom of cylinder, is fastenedly connected storage slag bath in the bottom of molten slag bath, multiple gasifying agent nozzles have been uniformly arranged in the circumferential direction on the side wall of the lower part of cylinder, gasifying agent nozzle angle with horizontal plane is in 0~90 °.
Description
Technical field
The present invention relates to a kind of two-part slag gasification furnaces, belong to coal gasification apparatus field.
Background technique
Traditional fixed bed slag gasification furnace, lump coal are added by top of gasification furnace, and mixed superheated vapour and oxygen are made
Gasification furnace bottom is sprayed by nozzle for gasifying agent and carries out gasification reaction.In gasification furnace, the high-temperature gas of coal and gasifying agent generation
Reverse contact, from top to bottom through drying, destructive distillation, gasification and final oxidizing fire.The mixing of gasification product gas, tar and vapor
Object is discharged by top of gasification furnace.Simultaneously as burning zone provides 2000 DEG C or more of high temperature, the lime-ash for the furnace bottom that gasifies is with liquid
State form is discharged into slag bath, is discharged into water cooling plant through dreg removing system after.
In actual production, other than producing coal gas, the tar of by-product also has high additional fixed bed slag gasification furnace
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 generated dust can be carried secretly with air-flow and go out to form tar slag, and since gasification section produces
Tar and phenols content in object gas is lower, dilutes stock gas after being all passed through retort section, 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
It connects and rises to retort section and provide heat for dry distillation reactor, temperature tar in production, yield and quality are compared under low temperature distillation
Drop.
Summary of the invention
The problem of for background technique, the purpose of the present invention is 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 invention adopts the following technical scheme: a kind of two-part slag gasification furnace, feature exist
In: including cylinder, the optimization heat transfer inner member axially arranged along the cylinder, the optimization heat transfer are provided in the cylinder
Inner member includes the central tube being sequentially arranged from inside to outside and is wrapped on the outside of the central tube and gradually thick fire resisting from top to bottom
Layer, the upper end of the optimization heat transfer inner member and the upper end of the cylinder 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
At the toroidal cavity, the lower section outlet for being connected to the toroidal cavity, the optimization heat transfer are provided on the side wall of the cylinder
The upper section outlet of the cylinder lateral wall is provided through on the side wall of inner member；It is provided in the bottom of the cylinder funnel-shaped
Molten slag bath, be fastenedly connected storage slag bath in the bottom of the molten slag bath, on the side wall of the lower part of the cylinder circumferentially uniformly
Multiple gasifying agent nozzles are provided with, the gasifying agent nozzle angle with horizontal plane is in 0~90 °.
Shock chamber is set in the bottom of the molten slag bath, is provided with downward opening fire insulation cover 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 protrudes into the fire insulation cover, exports
End is pierced by 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 is provided with burning spray gun, the outlet of the scum pipe and burning spray on the side wall of the cylinder
The outlet of rifle is arranged in the fire insulation cover.
Coolant liquid is housed, the open end of the fire insulation cover is located at the liquid level of the coolant liquid hereinafter, institute in the shock chamber
The liquid level setting that the arrival end for stating smoke discharge pipe is higher than coolant liquid is provided on the smoke discharge pipe in the fire insulation cover
The diffusion valve of exhaust is controlled, the pipeline of the smoke discharge pipe, which spirals, to be arranged in the coolant liquid.
Agitating device is provided in optimization heat transfer inner member, the agitating device includes along optimization heat transfer
The shaft of component axially arranged and the multiple rake teeths being arranged in the shaft, the shaft are connect with the barrel body rotation,
The upper end of the shaft is stretched out the cylinder top and is connect with the output end of the shaft driving device.
The central tube uses high temperature stainless steel material, and the flame retardant coating, which uses, contains steel fibre, by refractory aggregate, fire resisting
Powder, bonding agent and steel fibre composition；The bus and axis angle of the flame retardant coating outer wall are and described within the scope of 0 °~40 °
Flame retardant coating uses segmental structure, and each section of refractory material has different thermal coefficients.
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 setting 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 of the cylinder is connected to setting
There is water-supply-pipe；The fire insulation cover is in the tubular structure of cube or cylinder, and the fire insulation cover is using air-cooled structure, inner wall setting
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 being arranged from inside to outside.
The burning spray gun is protruded into the shock chamber by the channel on shock chamber's side wall, the burning spray gun
The upper of the scum pipe axis is arranged in center line, and the burning spray gun uses multi-channel structure comprising for being passed through combustion gas
Central tube and positioned at the central tube periphery for being passed through the outside endless tube of air.
The invention adopts the above technical scheme, which has the following advantages: 1, being arranged on the side wall of middle cylinder body of the present invention
There is lower section outlet, optimization heat transfer inner member is axially provided in cylinder, is provided with and communicated on the side wall of optimization heat transfer inner member
The upper section outlet of cylinder is stretched out, the high-temperature gasification product formed by gasification reaction brings heat in optimization heat transfer inner member into,
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 be discharged from upper section after drying, therefore the gas content of upper section outlet is low, dust entrainment
Few, dregs of fat amount reduces, and tar content is high, so that tar extracts simply；It is handled from the gas of lower section outlet discharge without destructive distillation,
Therefore tar content is low, and gas content is high, and dust content is few.2, optimization heat transfer inner member of the present invention in the setting of gasification furnace top
The refractory material of the different thermal coefficients of upper arrangement, thus its enable to the temperature in optimization heat transfer inner member to be consistent to
Improve the yield and tar quality of tar.3, top of gasification furnace of the invention is provided with agitating device, passes through Stirring
So that the gasified raw material heat transfer in optimization heat transfer inner member is more evenly, while the gasified raw material for avoiding caking property strong is bonded in optimization
Cause bed unstable on the inner wall of heat transfer inner member.4, the present invention in scum pipe setting storage slag bath on, the outlet of scum pipe and
The outlet of Fuel lance is arranged in the fire insulation cover of the closed bottom opening in top, and the sealed end for storing up slag bath stretches out the closed of fire insulation cover
End and close contact, cooling-liquid level is arranged in for the open end of fire insulation cover hereinafter, the hot fume that burning spray gun generates passes through deslagging
Pipe enters in storage slag bath, therefore the melt cinder stored up in slag bath is in preferable flow regime to prevent melt cinder cold in scum pipe
It is solidifying, while also acting as the effect of support slag.5, slag slag bath of the invention uses separate structure, is easy for installation and maintenance.It can only more
Easily worn part is changed, the cost of maintenance slag bath is reduced.6, deslagging tube inlet is higher than slag bath bottom in the present invention, makes to be precipitated in melt cinder
Deposition of iron in slag bath bottom without being deposited in scum pipe, therefore effectively avoid analysis iron caused by deslagging blockage.7, this hair
Bright burning spray gun is protruded into shock chamber by the channel on shock chamber's side wall, therefore is operated when burning spray gun repairs or replaces
It is convenient.8, fire insulation cover corrodes the high-temperature flue gas that burning lance combustion generates in it less than connection molten slag bath and storage slag in the present invention
The flange in pond, therefore it is able to protection flange, avoid often maintenance replacement flange.
Detailed description of the invention
Fig. 1 is two-part slag gasification furnace overall structure schematic diagram 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 schematic diagram of agitating device of the present invention.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, the present invention includes cylinder 1, is provided in cylinder 1 and passes along the optimization that cylinder 1 is axially arranged
Hot inner member 2 comprising the tubular central tube 3 that is sequentially arranged from inside to outside and be wrapped in 3 outside of central tube and from up to
Under gradually thick flame retardant coating 4, the upper end of optimization heat transfer inner member 2 and the upper end of cylinder 1 be fastenedly connected, the upper end of cylinder 1 is provided with
The charging entrance 16 being connected to optimization heat transfer inner member 2.It is constituted between the side wall of optimization heat transfer inner member 2 and the side wall of cylinder 1
Toroidal cavity is provided with the lower section outlet 6 of connection toroidal cavity on the side wall of cylinder 1, sets on the side wall of optimization heat transfer inner member 2
The upper section being equipped with across 1 side wall of cylinder exports 5.Molten slag bath 8 funnel-shaped is provided in the bottom of cylinder 1, in molten slag bath 8
Bottom is fastenedly connected storage slag bath 9, and multiple gasifying agent nozzles 7 have been uniformly arranged in the circumferential direction on the side wall of the lower part of cylinder 1, gasifies
7 angle with horizontal plane of agent nozzle is 0~90 °.The gasifying agent being added by gasifying agent nozzle 7 and the gasification being added from charging entrance 16
Raw material carry out burning and gasification reaction, react formation high-temperature gasification product enter optimization heat transfer inner member 2 in gasified raw material
Counterflow heat exchange makes gasified raw material carry out destructive distillation and generates tar, and drying section is exported from upper section and is discharged.Due to upper section outlet 5
Gas yield reduce, reduce dust entrainment, the dregs of fat amount of generation reduces, and tar content is high in gas in upper segment, so that tar
It extracts simple.The gas being discharged from lower section outlet 6 is free of tar without retort section, and gas purification process is simple.
In above-described embodiment, shock chamber 10 is set in the bottom of molten slag bath 8, the lower section of storage slag bath 9 is provided with 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 protrudes into fire insulation cover 12
In, outlet end is pierced by the side wall of cylinder 1, the flue gas emission for being used to generate melt cinder when cooling 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 of storage slag bath 9, therefore the deposition of iron being precipitated in melt cinder exists
It stores up 9 bottom of slag bath and melt cinder is avoided to analyse the outlet obstruction that iron causes scum pipe 13, be provided with burning spray gun on the side wall of cylinder 1
11, the outlet of scum pipe 13 and the outlet of burning spray gun 11 are arranged in fire insulation cover 12, and the hot fume that burning spray gun 11 generates is logical
It crosses scum pipe 13 to enter in storage slag bath 9, guarantees that the melt cinder in storage slag bath 9 is in preferable flow regime to prevent melt cinder from arranging
Condensation in slag pipe 13, while also acting as the effect of support slag.
In above-described embodiment, in shock chamber 10 be equipped with coolant liquid, the open end of fire insulation cover 12 be located at the liquid level of coolant liquid with
Under, the liquid level of fire insulation cover 12 and coolant liquid forms water seal, and the arrival end of smoke discharge pipe 15 is higher than the liquid level of coolant liquid, flue gas row
The diffusion valve that control exhaust is provided on pipe 15 is put, the pipeline of smoke discharge pipe 15, which spirals, is arranged in the coolant liquid of shock chamber 10
In, diffusion valve is opened after the pressure difference in 8 top of molten slag bath and fire insulation cover 12 reaches certain value, and smoke discharge pipe 15 discharges cigarette
Gas, to play the role 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 along the shaft 141 axially arranged and the multiple rake teeths 142 being arranged in shaft 141 for optimizing heat transfer inner member 2, shaft
141 are rotatablely connected with cylinder 1, and 1 top of cylinder and defeated with shaft driving device (not shown) is stretched out in the upper end of shaft 141
Outlet connection.The raw material being 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 more evenly, while the raw material generation bonding for avoiding caking property strong leads to 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, silicon carbide or silicon nitride etc., outside flame retardant coating 4
The bus and axis angle of wall are within the scope of 0 °~40 °, and flame retardant coating 4 uses segmental structure, and each section of refractory material has difference
Thermal coefficient, therefore it can be such that the temperature of optimization heat transfer inner member is consistent, and improve the yield and tar quality of tar.
In above-described embodiment, gasifying agent nozzle 7 on 1 side wall of cylinder is one or more layers, the axis of each layer gasifying agent nozzle 7
The angle of the normal of the projection of line in the horizontal plane and 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 being added by gasifying agent nozzle 7, and gasifying agent is oxygen, vapor, two
The one kind such as carbonoxide or several mixture.
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, is fixed on storage slag bath 9 by flange, can be convenient for more when scum pipe 13 damages
It changes.
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 being arranged 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,
Inner wall is provided with gas vent, and fire insulation cover 12 is avoided to be burnt, and the high-temperature flue gas that fire insulation cover 12 generates burning is corroded less than even
It connects molten slag bath 8 and stores up the flange of slag bath 9, therefore be able to the effect of protection flanged joint.
In above-described embodiment, burning spray gun 11 is protruded into shock chamber 10 by the channel on shock chamber's side wall, burning spray gun
11 use multi-channel structure comprising for being passed through the central tube of combustion gas and positioned at central tube periphery for being passed through the outer of air
Side ring pipe can directly extract it out when replacing burning spray gun 11 out of furnace, easy to operate.
In above-described embodiment, the bottom of cylinder 1 is provided with and communicated with water-supply-pipe 17, is convenient to replacement shock chamber 10 by it
In coolant liquid.
The working principle of two-part slag gasification furnace of the invention is as follows:
The lower port that coolant liquid is higher than fire insulation cover 12 to liquid level is poured into shock chamber 10.By charging entrance 16 to gasification
Gasified raw material is added in furnace, the gasifying agent and gasified raw material that gasifying agent nozzle 7 sprays carry out gasification reaction, shape in molten slag bath 8
At high-temperature slag area, the high-temperature gasification product formed by gasification reaction brings heat in optimization heat transfer inner member 2 into, and 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 5 discharge of upper section outlet, therefore the gas content of upper section outlet 5 is low, dust entrainment
Few, dregs of fat amount reduces, and tar content is high；It is handled from the gas of 6 discharge of lower section outlet without destructive distillation, therefore tar content is low,
Gas content is high, and dust content is few.
Gasifying agent nozzle 7 sprays the melt cinder generated in gasification furnace gasification and is pooled in storage slag bath 9 by molten slag bath 8,
It is constantly accumulated in storage slag bath 9；The hot fume that burning spray gun 11 generates is entered in storage slag bath 9 by scum pipe 13, guarantees storage
Melt cinder in slag bath 9 is in preferable flow regime to prevent melt cinder from condensing in scum pipe 13, while also acting 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, carries out deslagging；When gasification furnace and fire insulation cover
After pressure difference in 12 is reduced to certain value, the diffusion valve on smoke discharge pipe 15 is closed, while improving the gas of burning spray gun 11
Flow velocity stops deslagging, completes a tapping process in summary.
During gasifier operation, such as it is in the presence of stopping in emergency, is sprayed by control burning spray gun 11 to gasification furnace
The flow velocity for entering nitrogen avoids melt cinder from entering condensation in shock chamber 9, results in blockage, influence being again started up for gasification furnace.
The present invention is only illustrated with above-described embodiment, and structure, setting position and its connection of each component are all can have
Changed, based on the technical solution of the present invention, improvement that all principles according to the present invention carry out individual part and equivalent
Transformation, should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of two-part slag gasification furnace, it is characterised in that: including cylinder, be provided in the cylinder along the drum shaft
To the optimization of arrangement heat transfer inner member, the optimization heat transfer inner member includes the central tube being sequentially arranged from inside to outside and is wrapped in
On the outside of the central tube and from top to bottom gradually thick flame retardant coating, the upper end of the optimization heat transfer inner member and the upper end of the cylinder
It is fastenedly connected, the upper end of the cylinder is provided with the charging entrance being connected to the optimization heat transfer inner member, the optimization heat transfer
Toroidal cavity is constituted between the side wall of inner member and the side wall of the cylinder, and the connection ring is provided on the side wall of the cylinder
The lower section of shape cavity exports, and the upper section outlet of the cylinder lateral wall is provided through on the side wall of the optimization heat transfer inner member；
It is provided with molten slag bath funnel-shaped in the bottom of the cylinder, storage slag bath is fastenedly connected in the bottom of the molten slag bath, in institute
It states and has been uniformly arranged in the circumferential direction multiple gasifying agent nozzles on the side wall of the lower part of cylinder, the gasifying agent nozzle angle with horizontal plane
In 0~90 °.
2. a kind of two-part slag gasification furnace as described in claim 1, it is characterised in that: be arranged in the bottom of the molten slag bath
Shock chamber is provided with downward opening fire insulation cover below the storage slag bath, and flue gas emission is arranged in the inside of the shock chamber
Pipe, the arrival end of the smoke discharge pipe protrude into the fire insulation cover, and outlet end is pierced by 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 of the scum pipe is arranged in the fire insulation cover with the outlet of the burning spray gun.
3. a kind of two-part slag gasification furnace as claimed in claim 2, it is characterised in that: equipped with cooling in the shock chamber
Liquid, the open end of the fire insulation cover is located at the liquid level of the coolant liquid hereinafter, 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 on the smoke discharge pipe
The pipeline for putting pipe, which spirals, to be arranged in the coolant liquid.
4. a kind of two-part slag gasification furnace as described in claim 1, it is characterised in that: in optimization heat transfer inner member
It is provided with agitating device, the agitating device includes along the shaft of the optimization heat transfer inner member axially arranged and setting in institute
Multiple rake teeths in shaft are stated, the shaft is connect with the barrel body rotation, and the cylinder top is stretched out in the upper end of the shaft
And it is connect with the output end of shaft driving device.
5. a kind of two-part slag gasification furnace as described in claim 1, it is characterised in that: the central tube is stainless using high temperature
Steel material, the flame retardant coating, which uses, contains steel fibre, 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 within the scope of 0 °~40 °, and the flame retardant coating uses segmental structure,
Each section of refractory material has different thermal coefficients.
6. a kind of two-part slag gasification furnace as described in claim 1, it is characterised in that: the gas on the cylinder lateral wall
Agent nozzle is one or more layers.
7. a kind of two-part slag gasification furnace as claimed in claim 6, it is characterised in that: the gasifying agent nozzle is multilayer,
The angle of the normal of the projection of the axis of each layer gasifying agent nozzle in the horizontal plane and position cylinder is more than or equal to 0 °
And less than 90 °.
8. a kind of 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
Cylindrical tubular structure, the fire insulation cover use air-cooled structure, and inner wall is provided with gas vent.
9. a kind of two-part slag gasification furnace as described 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 being arranged from inside to outside.
10. a kind of two-part slag gasification furnace as claimed in claim 2, it is characterised in that: the burning spray gun uses multi-pass
Road structure comprising for being passed through the central tube of combustion gas and positioned at the central tube periphery for being passed through the outer side ring of air
Pipe.
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| 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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| DE19747324C2 (en) * | 1997-10-28 | 1999-11-04 | Bodo Wolf | Device for generating fuel, synthesis and reducing gas from renewable and fossil fuels, biomass, waste or sludge |
| CN101440308B (en) * | 2008-12-23 | 2013-01-16 | 煤炭科学研究总院 | Fixed bed-fluidized bed serially connected gasification method and apparatus |
| JP6200324B2 (en) * | 2010-03-15 | 2017-09-20 | レイン・ウォーター，エルエルシー | Method and apparatus for treating carbon-containing feedstock into gasification gas |
| CN204824756U (en) * | 2015-08-05 | 2015-12-02 | 中国东方电气集团有限公司 | Domestic waste plasma gasification reaction stove |
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| CN107892952A (en) | 2018-04-10 |
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