CN201406413Y - Consequent slag-discharging pulverized coal gasification unit - Google Patents
Consequent slag-discharging pulverized coal gasification unit Download PDFInfo
- Publication number
- CN201406413Y CN201406413Y CN 200920025005 CN200920025005U CN201406413Y CN 201406413 Y CN201406413 Y CN 201406413Y CN 200920025005 CN200920025005 CN 200920025005 CN 200920025005 U CN200920025005 U CN 200920025005U CN 201406413 Y CN201406413 Y CN 201406413Y
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- China
- Prior art keywords
- gas
- coal
- gasification furnace
- coal gasification
- type powder
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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]
Abstract
The utility model provides a consequent slag-discharging pulverized coal gasification unit, which comprises a gasification chamber, a consequent slag discharging port, a gas and fly ash separation hood and an automatic slag discharging device. The utility model has the advantages that the coal is added from the top of the pulverized coal gasification unit and passes through the gasification chamber, the gas and fly ash separation hood, the consequent slag discharging port and the automatic slag discharging device to form a complete unit from top to bottom. The utility model has the advantagesthat the cracking of the volatile matter, the tar and the phenol of the pulverized coal carbon-containing powder materials can be realized in one unit, the separation of the gas, the fly ash and the slag is realized in one unit, the rate of gasification is high and the waste discharge is greatly reduced.
Description
Technical field
The utility model relates to the gasification installation of a kind of coal dust and carbon containing meal, the gasification installation of coal dust that concrete finger is related and carbon containing meal.
Background technology
Existing coal dust gasification device roughly is divided into three major types: the gasification of coal water slurry wet type, pressurised fluidized bed gasification, The normal pressure fluidized bed gasification.Its vaporous form and technology, bottom coal in being, coal gas is derived vapourizing furnace from the top.Above-mentioned gasification structure form and technology exist some shortcomings: 1, the coal dust import is arranged on the vapourizing furnace middle and lower part, and it is insufficient to burn, and gasification efficiency is low.2, vaporized chemical distributes, the defective that the cloth coal can't be in contact.3, because the restriction of the ash fusion point of slag can only add metering steam, could guarantee the vapourizing furnace deslagging.4, the defective in the technology is perplexing always, gas gasification technology.Can't implement to maximize and vaporising fuel mass-producing utilization.The physical energy that makes generating wait boiler to be confined to burn coal utilizes in the middle of the technology.5, because the defective of existing powder coal gasification furnace deslagging, cause that furnace temperature is low, gasification efficiency is low, dry coal can not gasify separately.
Summary of the invention
The utility model provides a kind of forward ash melting type coal dust gasification device, and it can solve the defective of the powder coal gasification furnace deslagging that exists in the prior art, causes that furnace temperature is low, gasification efficiency is low, dry coal problem such as can not gasify separately.
In order to reach the purpose that solves the problems of the technologies described above, the technical solution of the utility model is, a kind of forward ash melting type powder coal gasification furnace, comprise water jacket, process burner, vaporizer, gas exit and slag discharging device, it is characterized in that: described process burner is positioned at described top of gasification furnace, and described vaporizer bottom is coal gas and flying dust separation hood and slag discharging device forward successively.
In the technical solution of the utility model, also have following technical characterictic: described process burner end face is provided with gas inlet, and the side is provided with the coal dust import.
In the technical solution of the utility model, also have following technical characterictic: described coal gas and flying dust separation hood shape be, top is reducing pipe, and the middle part is circular vertical tube, and the bottom is an increaser.
In the technical solution of the utility model, also have following technical characterictic: the exterior circumferential of described coal gas and flying dust separation hood is the coal gas chamber, and described gas exit is positioned at the place, described coal gas chamber on the outlet top of described coal gas and flying dust separation hood.
In the technical solution of the utility model, also have following technical characterictic: described forward slag discharging device has except that ash-pan, break bull stick and fluted disc, and described break bull stick is arranged on the described fluted disc.
In the technical solution of the utility model, also have following technical characterictic: described reducing pipe is a reverse frustoconic, and angle of taper α is between 10 °～30 °.
In the technical solution of the utility model, also have following technical characterictic: described flaring circle is truncated cone-shaped, and angle of taper β is between 10 °～30 °.
Steam stove of the present utility model can make dry coal powder and carbon containing class material pulverulent material be geseous fuel or synthetic gas in 1100 °～1700 ° pyrolysis of following moment of high furnace temperature, gasification.Utilize the forward effect deslagging of gravity, because gas slag interflow can make the content of carbon in the slag under hot conditions, further gasification realizes pyrolysis, gasification, cracking, gas solid separation in the stove, the technology purpose of deslagging in the deslagging.
The utility model design unique distinction is by vaporizer coal filling hole, vaporizer, forward slag-drip opening, coal gas and flying dust separation hood, automatic sludge discharge device and gas exit are formed, four unit connect from top to bottom in described five unit, and gas exit is located at coal gas chamber one side of gasification installation.
Advantage of the present utility model and positively effect are:
1, can realize finishing in the covering device cracking of deviating from fugitive constituent, tar, phenol of coal dust carbon containing class material pulverulent material, coal gas separates with flying dust, slag, and makes the vaporization rate height, and blowdown flow rate significantly reduces.
2, coal dust carbon containing class material powder-material adds from the top, prevents the ununiformity of material vaporized chemical contact.
3, utilize the slag-drip opening of convergent shape, the vaporizer end opening becomes convergent shape cone ports with slag-drip opening top forward, makes gas, slag thorough mixing, and carbonaceous material is further gasified.Coal gas and flying dust separation hood in the stove increase substantially initial stage gas purification rate, have reduced follow-up dedusting burden.
4, forward the mode of deslagging has been utilized action of gravity, and deslagging is smooth and easy easily.
5, this device coal suitability is extensive, can realize basic desulfurization in the stove.
6, atmospheric operation, good operation safety, investment is saved.
7, have simple in structure, characteristics such as cost is low, and running cost is low, and operational safety is reliable.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is a forward ash melting type coal dust gasification device general assembly drawing of the utility model.
1, process burner; 1-1, coal dust and vaporized chemical import; 1-2, gas inlet; 2, vaporizer; 3, coal gas and flying dust separation hood; 3-1, reducing pipe, α are the reducing pipe angle of taper; 3-2, circular vertical tube; 3-3, increaser; β is the increaser angle of taper; 4, gas exit; 4-1, coal gas chamber; 5, slag discharging device forward; 5-1, remove ash-pan; 5-2, break bull stick, 5-3, fluted disc; 6, water jacket; 6-1, inside and outside water jacket pipe connecting; 7, water inlet pipe; 8, tensimeter; 9, vapour outlet; 10, water level gauge; 11, blow-off pipe.
Embodiment
Referring to Fig. 1, process burner 1 is positioned at described top of gasification furnace, and process burner 1 comprises the gas inlet 1-2 of end face and is arranged on lateral coal dust and vaporized chemical import 1-1.Is vaporizer 2 in process burner 1 lower chamber, vaporizer 2 bottoms are coal gas and flying dust separation hood 3 and slag discharging device 5 forward successively.
Described coal gas and flying dust separation hood 3 shapes are, top is reducing pipe 3-1, and the middle part is circular vertical tube 3-2, and the bottom is increaser 3-3.Described reducing pipe 3-1 is a reverse frustoconic, and angle [alpha] is between 10 °～30 °.Present embodiment α selects 15 °.Described increaser 3-3 is a truncated cone-shaped, and angle beta is between 10 °～30 °.Present embodiment β selects 15 °.
The exterior circumferential of described coal gas and flying dust separation hood 3 is coal gas chamber 4-1, and gas exit 4 is positioned at the 4-1 of place, described coal gas chamber on the outlet top of described coal gas and flying dust separation hood 3.
Described forward slag discharging device 5 has except that ash-pan 5-1, break bull stick 5-2 and fluted disc 5-3, and described break bull stick 5-2 is arranged on the described fluted disc 5-3.After lime-ash fell into except that ash-pan 5-1, fluted disc 5-3 rotate to drive break bull stick 5-2 and rotates, and break bull stick 5-2 utilizes rotating blade on the body of rod with the slag fragmentation, discharges from grey cinder notch at last.
Coal dust or carbonaceous pulverulent material, enter vaporizer 2 forward acts on through gas flying dust separation hood 3 at the high temperature gasification of following moment of high gas speed, combustion gas and the dust that vaporizer 2 has gasified through process burner 1 place, having finished gas separates with flying dust, coal gas leaves gasification installation by gas exit 4, is introduced into gaspipe line or coal gas storage cabinet.The lime-ash flying dust falls into forward slag discharging device 5 of hydrolock in earth gravity effect forward, discharges vapourizing furnace after break.This shows that coal gasification, deslagging, combustion gas were finished with separating from top to bottom of flying dust.
The used heat that the gas gasification process produces is by the steam utilization of water jacket 6 (pressurized vessel) generation High Temperature High Pressure.
In sum, only be preferred embodiments of the present utility model, be not to be that the utility model is done other forms of restriction.Any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent example of equivalent variations.But all technical solutions of the utility model contents that do not break away from, still belong in the scope of technical solutions of the utility model any simple modification equivalent variations and remodeling that above embodiment did according to the utility model essence.
Claims (7)
1, a kind of forward ash melting type powder coal gasification furnace, comprise water jacket, process burner, vaporizer, gas exit and slag discharging device, it is characterized in that: described process burner is positioned at described top of gasification furnace, and described vaporizer bottom is coal gas and flying dust separation hood and slag discharging device forward successively.
2, a kind of forward ash melting type powder coal gasification furnace according to claim 1, it is characterized in that: described process burner end face is provided with gas inlet, and the side is provided with coal dust and vaporized chemical import.
3, a kind of forward ash melting type powder coal gasification furnace according to claim 2 is characterized in that: described coal gas and flying dust separation hood shape be, top is reducing pipe, and the middle part is circular vertical tube, and the bottom is an increaser.
4, a kind of forward ash melting type powder coal gasification furnace according to claim 3, it is characterized in that: the exterior circumferential of described coal gas and flying dust separation hood is the coal gas chamber, and described gas exit is positioned at the place, described coal gas chamber on the outlet top of described coal gas and flying dust separation hood.
5, a kind of forward ash melting type powder coal gasification furnace according to claim 4, it is characterized in that: described forward slag discharging device has except that ash-pan, break bull stick and fluted disc, and described break bull stick is arranged on the described fluted disc.
6, a kind of forward ash melting type powder coal gasification furnace according to claim 3, it is characterized in that: described reducing pipe is a reverse frustoconic, angle of taper α is between 10 °～30 °.
7, a kind of forward ash melting type powder coal gasification furnace according to claim 3, it is characterized in that: described increaser is a truncated cone-shaped, angle of taper β is between 10 °～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920025005 CN201406413Y (en) | 2009-05-06 | 2009-05-06 | Consequent slag-discharging pulverized coal gasification unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920025005 CN201406413Y (en) | 2009-05-06 | 2009-05-06 | Consequent slag-discharging pulverized coal gasification unit |
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| Publication Number | Publication Date |
|---|---|
| CN201406413Y true CN201406413Y (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920025005 Expired - Fee Related CN201406413Y (en) | 2009-05-06 | 2009-05-06 | Consequent slag-discharging pulverized coal gasification unit |
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| CN (1) | CN201406413Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385474A (en) * | 2015-12-07 | 2016-03-09 | 上海交通大学 | Structure of tail part of hearth of two-stage oxygen supply dry slag removal pressurized entrained-bed gasification furnace |
| CN107261571A (en) * | 2017-07-18 | 2017-10-20 | 清远纳福娜陶瓷有限公司 | The method of high efficiency dispersion dust and its sedimentation seal water system in a kind of sedimentation water seal arrangement |
-
2009
- 2009-05-06 CN CN 200920025005 patent/CN201406413Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385474A (en) * | 2015-12-07 | 2016-03-09 | 上海交通大学 | Structure of tail part of hearth of two-stage oxygen supply dry slag removal pressurized entrained-bed gasification furnace |
| CN107261571A (en) * | 2017-07-18 | 2017-10-20 | 清远纳福娜陶瓷有限公司 | The method of high efficiency dispersion dust and its sedimentation seal water system in a kind of sedimentation water seal arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING YINBANG WEIYE SCIENCE + TECHNOLOGY CO., LT Free format text: FORMER OWNER: WANG XINGDAO Effective date: 20110712 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266071 HOUSEHOLD 101, UNIT 3, BUILDING 4, NO. 293, NINGXIA ROAD, SHINAN DISTRICT, QINGDAO CITY, SHANDONG PROVINCE TO: 100081 ROOM 2618, BEIJINGZIYUANYANYUAN HOTEL, NO. 1, YIHEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110712 Address after: 100081 Beijing city Haidian District the Summer Palace Road No. 1 Beijing resource hotel room 2618 Patentee after: Albert Technology Co., Ltd. Beijing silver States Address before: Shinan District 266071 Shandong city of Qingdao province Ningxia road 293, building 4, unit three, 101 households Patentee before: Wang Xingdao |
|
| ASS | Succession or assignment of patent right |
Owner name: WANG XINGDAO Free format text: FORMER OWNER: BEIJING YINBANG WEIYE SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20120417 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100081 HAIDIAN, BEIJING TO: 266071 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120417 Address after: Shinan District 266071 Shandong city of Qingdao province Ningxia road 293, building 4, unit 3, 101 households Patentee after: Wang Xingdao Address before: 100081 Beijing city Haidian District the Summer Palace Road No. 1 Beijing resource hotel room 2618 Patentee before: Albert Technology Co., Ltd. Beijing silver States |
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| PP01 | Preservation of patent right |
Effective date of registration: 20120725 Granted publication date: 20100217 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20130725 Granted publication date: 20100217 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20130506 |