CN201006867Y - Dry coal powder gasifying stove - Google Patents
Dry coal powder gasifying stove Download PDFInfo
- Publication number
- CN201006867Y CN201006867Y CN 200620168771 CN200620168771U CN201006867Y CN 201006867 Y CN201006867 Y CN 201006867Y CN 200620168771 CN200620168771 CN 200620168771 CN 200620168771 U CN200620168771 U CN 200620168771U CN 201006867 Y CN201006867 Y CN 201006867Y
- Authority
- CN
- China
- Prior art keywords
- hot dirty
- coal
- heater
- gasification
- dirty gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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- Solid-Fuel Combustion (AREA)
Abstract
A dry dust coal gasification furnace comprises a furnace body which comprises a hot dirty coal gas gasification furnace body and a hot dirty coal gas reforming and cleaning furnace body, wherein the upper portion of the hot dirty coal gas gasification furnace body is a gasification chamber and the lower portion is a sedimentation chamber, the upper portion of the hot dirty coal gas gasification furnace body is provided with plural dust coal muzzles, one end of each dust coal muzzle is communicated with the gasification chamber and the other end is connected with a coal jet tube, a screw feeder is arranged on the bottom of a feeding lock funnel, the upper portion of the hot dirty coal gas gasification furnace body is provided below the dust coal muzzles with plural gas fountains communicated with the gasification chamber, the lower portion of the hot dirty coal gas gasification furnace body is provided with plural cooling muzzles communicated with the sedimentation chamber, the sedimentation chamber is provided with a water-cooling wall, the middle of the hot dirty coal gas reforming and cleaning furnace body is provided with a grate with water circulation. The fluidization and the muzzles of the utility model is simple in structure, and the utility model is easy to produce, reliable to run and easy to operate, the composition of coal gas is easy to control, the utility model can directly produce and supply high pressure coal gas for users without a pressure device.
Description
Technical field
The utility model relates to a kind of gas preparation equipment, specifically is a kind of New-type dry coal powder gasification stove.
Background technology
Clean coal comprehensive utilization in metallurgical and chemical industry compound probability, coal gasification and production high heating value, perhydrous coal gas has purposes widely, and the utility model is to be (the application number: 200610045968.1) provide a kind of equipment of enforcement of application case " preparation method of high pressure, perhydrous coal gas " formerly.
Summary of the invention
The purpose of this utility model is to provide a kind of pulverized coal gasification furnace that can realize high pressure, perhydrous coal gas.
The technical scheme that adopts is:
A kind of dry coal dust gasification furnace, comprise body of heater, it is characterized in that described body of heater purifies body of heater two portions by hot dirty gas gasification body of heater and hot dirty gas reformation and forms, the intravital top of described hot dirty gas vapourizing furnace is vaporizer, its underpart is a settling pocket, the top of hot dirty gas gasification body of heater is provided with a plurality of coal nozzles, one end of a plurality of coal nozzles is connected with described vaporizer, its the other end is connected with a coal spraying pipeline, coal spraying pipeline is connected with a screw feeder, screw feeder is arranged on the bottom of feeding lock hopper, the below that the top of hot dirty gas vapourizing furnace is positioned at coal nozzle is provided with the air nozzle that a plurality of and described vaporizer is connected, the below that the middle part of hot dirty gas gasification body of heater is positioned at a plurality of air nozzles is provided with the adjusting gasification nozzle that a plurality of and described vaporizer is connected, the bottom of hot dirty gas gasification body of heater is provided with the cooling nozzle that a plurality of and described settling pocket is connected, be provided with water wall in the settling pocket, the bottom of described vaporizer purifies body of heater by connecting passage and the reformation of described hot dirty gas and is connected, and be connected, the top that the hot dirty gas reformation purifies body of heater is provided with gas exit, its top is provided with bell, its underpart is provided with a plurality of cooling nozzles, its bottom is provided with the deslagging lock hopper, and the hot dirty gas reformation purifies the intravital middle part of stove and is provided with water grate.
The ejiction opening of above-mentioned a plurality of air nozzles, a plurality of adjustments of gas nozzle and a plurality of cooling nozzles all is tilted to.
Major advantage of the present utility model is:
1, fluidization and nozzle arrangements are simple, are easy to manufacturing, reliable.
2, high-temperature steam and air or oxygen can be participated in the gas making reaction directly, do not need portfire.
3, improve the content of hydrogen in the coal gas, reduced the consumption of pure oxygen.
4, simple to operate, the coal gas composition is easy to control.
5, water-cooled molten slag low temperature gasification solidifies, and no contaminated wastewater can reclaim melting slag waste heat to remake high-temperature steam simultaneously.
6, coal gas desulfurization technology is easy, the desulfurization dust-removing efficiency height.
7, can directly make high pressure gas supply user, not need pressurizing device.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Embodiment
See also Fig. 1, pulverized coal gasification furnace of the present utility model, comprise that hot dirty gas gasification body of heater 1, hot dirty gas reformation purify body of heater 2, hot dirty gas gasification body of heater 1 is the fluidization High Temperature Furnaces Heating Apparatus, simple and easy top multi-nozzle side spray mode is adopted in fluidization, steam and oxygen or the high temperature air side inclined blowing type that makes progress is adopted in gasification, top in the hot dirty gas gasification body of heater 1 is provided with vaporizer 3, adopt refractory material furnace lining, the outer lining thermal insulation material, the bottom of hot dirty gas gasification body of heater 1 is provided with settling pocket 4, and settling pocket 4 adopts the water wall liner.Have the reformation of passage 5 and hot dirty gas to purify body of heater 2 in the bottom of vaporizer 3 and be connected, hot dirty gas is reformed and is purified body of heater 2 employing refractory linings, the outer lining thermal insulation material, and coal gas purifies body of heater 2 tops by the hot dirty gas reformation and discharges.The top of hot dirty gas gasification body of heater 1 is provided with a plurality of gasburner 9, a plurality of gasburner 9 are connected with a coal spraying pipeline 8, and be connected, the below that is positioned at gasburner 9 on the hot dirty gas gasification body of heater 1 is provided with a plurality of air nozzles 10 that are inclined upwardly and are connected with vaporizer 3, and the below that the middle part of hot dirty gas gasification body of heater 1 is positioned at air nozzle 10 is provided with a plurality of adjusting gasification nozzles 11 that are inclined upwardly and are connected with vaporizer 3.Coal after the oven dry is after the coal pulverizer fragmentation, send in the feeding lock hopper 6, enter into coal spraying pipeline 8 by screw feeder 7, feed high pressure steam in the coal spraying pipeline 8, by steam coal dust is sprayed in the vaporizer 3 by gasburner 9, steam is by the preheating of high-efficiency steam preheater, air is by efficient fan heater preheating, high temperature air after the preheating (or oxygen) and water vapor spray in the vaporizer 3 from the air nozzle 10 that is arranged on coal spraying pipeline 8 belows, the high-temperature steam and the high temperature air that are sprayed into by air nozzle 10 dispel coal dust in vaporizer 3, the thorough mixing reaction.Regulate gasification nozzle 11 and can in stove, spray into high temperature air (or oxygen), to adjust the product of gasification reaction.The raw gas that reaction generates enters the hot dirty gas reformation through passage and purifies in the body of heater 2, the lime-ash that contains in the raw gas enters in the settling pocket 4 by gravity settling, settling pocket 4 bottoms are provided with a plurality of cooling nozzles 12, a plurality of cooling nozzles 12 spray into Low Temperature Steam, settling pocket 4 is provided with water wall 13, the bottom of settling pocket 4 is provided with slag-drip opening 14, slag-drip opening 14 places are provided with deslagging lock hopper 15, lime-ash becomes solid by water wall 13, lime-ash after the curing discharges out of the furnace by deslagging bucket 15, raw gas enters the hot dirty gas reformation by passage 5 and purifies in the body of heater 2, the middle parts that the hot dirty gas reformation purifies in the body of heater 2 are provided with water grate 19, and the top that the hot dirty gas reformation purifies body of heater 2 is provided with material loading bell 16, and its top offers air outlet 20, in stove, add a certain amount of coke, mixing portion lime in the coke by material loading bell 16.Raw gas can make in the raw gas not through the coke layer reducing zone, and the water vapour of complete reaction is decomposed into hydrogen and carbon monoxide, partial CO 2 can be reduced to carbon monoxide by coke, hydrogen sulfide in the coal gas can be absorbed by lime, is derived outside the stoves by the gas exit 20 that is arranged on hot dirty gas reformation purification body of heater 2 tops through reductive coal gas.The hot dirty gas reformation purifies body of heater 2 bottoms and is provided with a plurality of cooling nozzles 17 and deslagging lock hopper 18, by Low Temperature Steam coke is discharged out of the furnace with the reacted ash content curing of coal gas and by deslagging lock hopper 18.From hot dirty gas reform to purify coal gas that body of heater 2 comes out enter after by waste heat recovery, bag-type dust, TRT top pressure power generation the pressure tank stores, use for the user.
Claims (2)
1. dry coal dust gasification furnace, comprise body of heater, it is characterized in that described body of heater purifies body of heater two portions by hot dirty gas gasification body of heater and hot dirty gas reformation and forms, the intravital top of described hot dirty gas vapourizing furnace is vaporizer, its underpart is a settling pocket, the top of hot dirty gas gasification body of heater is provided with a plurality of coal nozzles, one end of a plurality of coal nozzles is connected with described vaporizer, its the other end is connected with a coal spraying pipeline, coal spraying pipeline is connected with a screw feeder, screw feeder is arranged on the bottom of feeding lock hopper, the below that the top of hot dirty gas vapourizing furnace is positioned at coal nozzle is provided with the air nozzle that a plurality of and described vaporizer is connected, the below that the middle part of hot dirty gas gasification body of heater is positioned at a plurality of air nozzles is provided with the adjusting gasification nozzle that a plurality of and described vaporizer is connected, the bottom of hot dirty gas gasification body of heater is provided with the cooling nozzle that a plurality of and described settling pocket is connected, be provided with water wall in the settling pocket, the bottom of described vaporizer purifies body of heater by connecting passage and the reformation of described hot dirty gas and is connected, and be connected, the top that the hot dirty gas reformation purifies body of heater is provided with gas exit, its top is provided with bell, its underpart is provided with a plurality of cooling nozzles, its bottom is provided with the deslagging lock hopper, and the hot dirty gas reformation purifies the intravital middle part of stove and is provided with water grate.
2. a kind of dry coal dust gasification furnace according to claim 1 is characterized in that the ejiction opening of described a plurality of air nozzle, a plurality of adjustments of gas nozzle and a plurality of cooling nozzles all is tilted to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620168771 CN201006867Y (en) | 2006-12-30 | 2006-12-30 | Dry coal powder gasifying stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620168771 CN201006867Y (en) | 2006-12-30 | 2006-12-30 | Dry coal powder gasifying stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201006867Y true CN201006867Y (en) | 2008-01-16 |
Family
ID=39002812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620168771 Expired - Lifetime CN201006867Y (en) | 2006-12-30 | 2006-12-30 | Dry coal powder gasifying stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201006867Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083574A1 (en) * | 2006-12-28 | 2008-07-17 | Jiule Zhou | A dry coal powder gasification furnace |
| CN101210201B (en) * | 2006-12-30 | 2010-09-22 | 沈阳东方钢铁有限公司 | Dry coal dust gasification furnace |
-
2006
- 2006-12-30 CN CN 200620168771 patent/CN201006867Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083574A1 (en) * | 2006-12-28 | 2008-07-17 | Jiule Zhou | A dry coal powder gasification furnace |
| CN101210201B (en) * | 2006-12-30 | 2010-09-22 | 沈阳东方钢铁有限公司 | Dry coal dust gasification furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080116 Effective date of abandoning: 20061230 |