CN207987119U - Full water cooling formula fixed bed slag tap gasification installation - Google Patents
Full water cooling formula fixed bed slag tap gasification installation Download PDFInfo
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- CN207987119U CN207987119U CN201820247905.2U CN201820247905U CN207987119U CN 207987119 U CN207987119 U CN 207987119U CN 201820247905 U CN201820247905 U CN 201820247905U CN 207987119 U CN207987119 U CN 207987119U
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- furnace body
- fixed bed
- fire insulation
- gasification
- insulation cover
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Abstract
The utility model is related to a kind of full water cooling formula fixed bed slag tap gasification installations, it is characterised in that：Including the furnace body that gasifies, the fin panel casing that the gasification furnace body includes furnace shell and is arranged on the inside of the furnace shell, at the top of the gasification furnace body, feed inlet is set, on the top of the gasification furnace body, gas exit is set, in the one circle nozzle of lower part setting of the gasification furnace body, in the bottom centre of the fin panel casing, slag-drip opening is set, the bottom of the furnace shell is fixedly connected by flange with shock chamber, the top of the flange is fixedly connected by support plate with the slag-drip opening, the fire insulation cover that Open Side Down is provided in the shock chamber, the slag-drip opening stretches into the fire insulation cover, the annular burner of setting in the bottom of the slag-drip opening, the annular burner is arranged in the fire insulation cover.
Description
Technical field
The utility model is related to a kind of full water cooling formula fixed bed slag tap gasification installations, belong to coal gasification apparatus field.
Background technology
Typical pressurization static bed slag tap gasification furnace is usually in slag slag bath region using the cold structure of copper water, to prolong
The service life of long high temperature slag area refractory material.Pre-buried cooling water pipe inside copper water cold part, processing is complicated, and cost compared with
It is high.In addition, to ensure the safety of copper casting, using the mode of Forced water cooling mode, the cooling water outlet and inlet temperature difference should not be too large, and lead
Cause slag area water-cooling wall cooling water circulation amount larger, and the heat that cooling water is taken away cannot be utilized directly, reduce entire gasification
Utilization ratio of the stove to heat.
On the other hand, be ensure gasification stove outer covering temperature in safe range, traditional fixed bed slag gasification furnace is in stove
One layer of water leg is set, but water leg bearing capacity is poor in shell, in gasification, due to gasification furnace pressure oscillation, is easy
Cause water leg there is a situation where squeezing flat or racking, security risk is brought to the operation of gasification furnace.Furthermore traditional fixed bed liquid
The fire insulation cover of deslagging gasification furnace is one layer of stainless-steel sheet, needs Long Term Contact high-temperature flue gas in operational process, is susceptible to scaling loss
The problem of.
Invention content
The problem of for background technology, the purpose of this utility model is to provide it is a kind of it is simple in structure, be processed into
This low full water cooling formula fixed bed slag tap gasification installation.
To achieve the above object, the utility model uses following technical scheme：A kind of full water cooling formula fixed bed slag tap
Gasification installation, it is characterised in that：Including the furnace body that gasifies, the gasification furnace body includes furnace shell and is arranged on the inside of the furnace shell
Fin panel casing, it is described gasification furnace body top be arranged feed inlet, it is described gasification furnace body top be arranged coal gas
Slag-drip opening is arranged in the bottom centre of the fin panel casing in the one circle nozzle of lower part setting of the gasification furnace body in outlet,
The bottom of the furnace shell is fixedly connected by flange with shock chamber, and the top of the flange is solid by support plate and the slag-drip opening
Fixed connection, is provided with the fire insulation cover that Open Side Down, the slag-drip opening stretches into the fire insulation cover, in the row in the shock chamber
The annular burner of bottom setting of cinder notch, the annular burner are arranged in the fire insulation cover.
The furnace shell and fin panel casing are cylinder-like structure and upper and lower ends are all made of closing-in structure.
The upper and lower header of the fin panel casing is arranged in the top and bottom of the gasification furnace body and is located at institute
It states between furnace shell and the fin panel casing.
The nozzle is along the circumferentially distributed and pairs of arrangement of the gasification furnace body, and every a pair of nozzles are about the gasification furnace
The central axes of furnace body are symmetrical.
Coolant liquid is housed in the shock chamber, the open end of the fire insulation cover is located at the liquid level of the coolant liquid or less.
The fire insulation cover is cylinder or cube shaped, and the fire insulation cover is three-dimensional cloth wind formula fire insulation cover, and inner wall is provided with
Gas vent, ventilated body are air or oxygen-enriched air.
The fin panel casing disposed inboard has refractory material.
The refractory material that the fin panel casing lower part is arranged is corundum, Gao Ge, silicon carbide or silicon nitride, the membrane type
The refractory material that water-cooling wall middle and upper part is arranged is clayey, High-Alumina, diatomite, calcium silicates or siliceous.
The utility model has the following advantages due to taking above technical scheme：1, the gasification furnace stove of the utility model
Body is simple in structure only with double-layer structure, easy to process, can significantly reduce the cost of fixed bed slag gasification furnace.2, this reality
With the novel structure for integrally using fin panel casing to gasification furnace body, the heat that can efficiently use high-temperature region generation improves gas
The temperature for changing stove middle and upper part, makes retort process carry out at a higher temperature, reduces the tar yield of retort section, improves tar product
Matter；In addition, the lime-ash after reaction is in molten condition in high-temperature region, accumulated in the bottom of gasification furnace body, the melt cinder and film of accumulation
Formula water-cooling wall exchanges heat, and the heat that high-temperature region generates is taken away by fin panel casing, and passes to gasification furnace upper of furnace body, to heat into
Row recycling, therefore the thermal efficiency of utility model device entirety can be improved.3, the utility model replaces water with fin panel casing
Chuck can not only ensure to gasify stove outer covering within the scope of the temperature of safety, additionally it is possible to improve compressive resistance, ensure in stove internal pressure
Operational safety when fluctuation is larger.4, the utility model reduces fire insulation using three-dimensional cloth wind formula fire insulation cover by cooling air
The temperature of cover effectively prevent fire insulation cover scaling loss, extends the service life of fire insulation cover；In addition, three-dimensional cloth wind makes in fire insulation cover
Flow field is more stable, improves the combustion stability of burner.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model proposes a kind of full water cooling formula fixed bed slag tap gasification installation, including gasification
Furnace body 1, gasification furnace body 1 includes furnace shell 2 and the fin panel casing 3 in 2 inside of furnace shell is arranged, on the top of gasification furnace body 1
Feed inlet 4 is arranged in portion, gas exit 5 is arranged on the top of gasification furnace body 1, gas exit 5 passes through furnace shell 2 and fin panel casing
3 and with gasification furnace body 1 inside be connected to.In the one circle nozzle 6 of lower part setting of gasification furnace body 1, at the bottom of fin panel casing 3
The centrally disposed slag-drip opening in portion 7.The bottom of furnace shell 2 is fixedly connected by flange with shock chamber 8, and the top of flange passes through support plate 9
It is fixedly connected with slag-drip opening 7, support plate 9 is used to support slag-drip opening 7.The fire insulation cover 11 that Open Side Down is provided in shock chamber 8,
Slag-drip opening 7 stretches into fire insulation cover 11, and in the bottom of slag-drip opening 7, the annular burner 12 of setting, annular burner 12 are arranged in fire insulation cover 11.
Further, furnace shell 2 and fin panel casing 3 are cylinder-like structure and upper and lower ends are all made of closing-in structure.
Further, the upper and lower header 13 of fin panel casing 3 be arranged in gasification furnace body 1 top and bottom and
Between furnace shell 2 and fin panel casing 3.
Further, nozzle 6 is along the circumferentially distributed and pairs of arrangement of gasification furnace body 1, and every a pair of nozzles 6 are about gasification furnace
The central axes of furnace body 1 are symmetrical.
Further, coolant liquid is housed in shock chamber 8, the open end of fire insulation cover 11 is located at the liquid level of coolant liquid or less.
Further, fire insulation cover 11 is cylinder or cube shaped, and fire insulation cover 11 is three-dimensional cloth wind formula fire insulation cover, and inner wall is set
It is equipped with gas vent, ventilated body is air or oxygen-enriched air.
Further, 3 disposed inboard of fin panel casing has refractory material；The refractory material arranged on different height is not
Together, the refractory material that fin panel casing lower part is arranged need to have stronger heat conductivility, and have stronger anti-clinker and iron
The ability of water erosion, preferably corundum, Gao Ge, silicon carbide or silicon nitride etc.；The refractory material that fin panel casing middle and upper part uses needs
Clayey, High-Alumina, diatomite, calcium silicates or siliceous can be selected in refractory material with heat-insulating property.
The course of work and principle of the utility model are as follows：(1) gasified raw material is by the charging positioned at 1 top of gasification furnace body
Mouth 4 enters in stove, the high-temperature gas adverse current direct heat transfer generated with gasification, while being changed indirectly between fin panel casing 2
Dry and retort process occurs for heat.(2) gasifying agent enters gasification furnace body 1 by nozzle 6 and is reacted with gasified raw material, shape
At high-temperature region, the lime-ash after reaction is accumulated in high-temperature region in molten condition, and in the bottom of gasification furnace body 1；The melt cinder of accumulation
It exchanging heat with fin panel casing 3, the heat that high-temperature region generates is taken away by fin panel casing 3, and passes to 1 top of gasification furnace body,
Heat is recycled, the thermal efficiency of utility model device entirety is improved.(3) melt cinder melted is on fin panel casing 3
Condensation forms one layer of crust block, can play the role of with slag anti-slag, extends making for slag area refractory material and fin panel casing 3
Use the service life.(4) it after melt cinder is accumulated to a certain amount, is discharged into shock chamber 8 by the slag-drip opening 7 for 1 bottom of furnace body of gasifying,
It is cooled to the condensation slag of glassy state in shock chamber 8 rapidly by coolant liquid.(5) the annular burner 12 of 7 lower section of slag-drip opening is passed through combustion
Gas and air burn, and the heat smoke for generation of burning enters slag area by slag-drip opening 7, and melt cinder is made to keep good flowing
Property, prevent melt cinder from being condensed in slag-drip opening 7, while perturbation action is played to melt cinder.(6) air of room temperature or oxygen-enriched air are by solid
Cloth wind formula fire insulation cover is passed through, and reduces the temperature of fire insulation cover, extends the service life of fire insulation cover, while being played to the gas being passed through
The effect of preheating.Three-dimensional cloth wind mode, it is smaller to the gas flowfield disturbance in fire insulation cover, help to improve annular burner fire
The stability of flame.
The utility model is only illustrated with above-described embodiment, and structure, installation position and its connection of each component are all can
It is all that individual part is carried out according to the utility model principle on the basis of technical solutions of the utility model with what is be varied from
Improvement and equivalents, should not exclude except the scope of protection of the utility model.
Claims (8)
1. a kind of full water cooling formula fixed bed slag tap gasification installation, it is characterised in that：Including the furnace body that gasifies, the gasification furnace
Furnace body includes furnace shell and the fin panel casing that is arranged on the inside of the furnace shell, and charging is arranged at the top of the gasification furnace body
Mouthful, gas exit is set on the top of the gasification furnace body, in the one circle nozzle of lower part setting of the gasification furnace body, in institute
Bottom centre's setting slag-drip opening of fin panel casing is stated, the bottom of the furnace shell is fixedly connected by flange with shock chamber, described
The top of flange is fixedly connected by support plate with the slag-drip opening, and the fire insulation that Open Side Down is provided in the shock chamber
Cover, the slag-drip opening stretch into the fire insulation cover, and the annular burner of setting in the bottom of the slag-drip opening, the annular burner is arranged in
In the fire insulation cover.
2. full water cooling formula fixed bed slag tap gasification installation as described in claim 1, it is characterised in that：The furnace shell and film
Formula water-cooling wall is cylinder-like structure and upper and lower ends are all made of closing-in structure.
3. full water cooling formula fixed bed slag tap gasification installation as described in claim 1, it is characterised in that：The film-type water-cooling
The upper and lower header of wall is arranged in the top and bottom of the gasification furnace body and positioned at the furnace shell and the film-type water-cooling
Between wall.
4. full water cooling formula fixed bed slag tap gasification installation as described in claim 1, it is characterised in that：The nozzle is along institute
The circumferentially distributed and pairs of arrangement for stating gasification furnace body, the central axes per a pair of nozzles about the gasification furnace body are symmetrical.
5. full water cooling formula fixed bed slag tap gasification installation as described in claim 1, it is characterised in that：In the shock chamber
Interior that coolant liquid is housed, the open end of the fire insulation cover is located at the liquid level of the coolant liquid or less.
6. full water cooling formula fixed bed slag tap gasification installation as described in claim 1, it is characterised in that：The fire insulation cover is in
Cylindrical or cube shaped, the fire insulation cover is three-dimensional cloth wind formula fire insulation cover, and inner wall is provided with gas vent, and ventilated body is sky
Gas or oxygen-enriched air.
7. full water cooling formula fixed bed slag tap gasification installation as described in claim 1, it is characterised in that：The film-type water-cooling
Wall disposed inboard has refractory material.
8. full water cooling formula fixed bed slag tap gasification installation as claimed in claim 7, it is characterised in that：The film-type water-cooling
The refractory material that wall lower part is arranged be corundum, Gao Ge, silicon carbide or silicon nitride, what the fin panel casing middle and upper part was arranged
Refractory material is clayey, High-Alumina, diatomite, calcium silicates or siliceous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820247905.2U CN207987119U (en) | 2018-02-11 | 2018-02-11 | Full water cooling formula fixed bed slag tap gasification installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820247905.2U CN207987119U (en) | 2018-02-11 | 2018-02-11 | Full water cooling formula fixed bed slag tap gasification installation |
Publications (1)
| Publication Number | Publication Date |
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| CN207987119U true CN207987119U (en) | 2018-10-19 |
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| CN201820247905.2U Active CN207987119U (en) | 2018-02-11 | 2018-02-11 | Full water cooling formula fixed bed slag tap gasification installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165312A (en) * | 2018-02-11 | 2018-06-15 | 煤炭科学技术研究院有限公司 | A kind of full water cooling formula fixed bed slag tap gasification installation |
-
2018
- 2018-02-11 CN CN201820247905.2U patent/CN207987119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108165312A (en) * | 2018-02-11 | 2018-06-15 | 煤炭科学技术研究院有限公司 | A kind of full water cooling formula fixed bed slag tap gasification installation |
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