CN202786140U - Water-walled water-coal-slurry gasifier with ignition furnace head - Google Patents
Water-walled water-coal-slurry gasifier with ignition furnace head Download PDFInfo
- Publication number
- CN202786140U CN202786140U CN 201220318041 CN201220318041U CN202786140U CN 202786140 U CN202786140 U CN 202786140U CN 201220318041 CN201220318041 CN 201220318041 CN 201220318041 U CN201220318041 U CN 201220318041U CN 202786140 U CN202786140 U CN 202786140U
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- water
- coal
- water wall
- vaporizer
- heater
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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 discloses a water-walled water-coal-slurry gasifier with an ignition furnace head, which comprises a furnace body, a gasification chamber, a water-coal-slurry and gasifying agent nozzle mounting opening, a raw gas outlet, a slag outlet and an ignition furnace head, wherein the gasification chamber is arranged in the furnace body, and the inner wall of the gasification chamber is a water wall; the water-coal-slurry and gasifying agent nozzle mounting opening, the raw gas outlet and the slag outlet are arranged on the furnace body; and the ignition furnace head is arranged at the top of the furnace body, the inner cavity of the ignition furnace head is communicated with the gasification chamber, the ignition furnace head is provided with a nozzle mounting opening for mounting a feed nozzle and inserting an ignition nozzle, and the inner cavity of the ignition furnace head is prepared through building refractory bricks. The water-walled water-coal-slurry gasifier with an ignition furnace head disclosed by the utility model solves the problem that the existing water-walled water-coal-slurry gasifier is difficult to ignite in the process of starting.
Description
Technical field
The utility model relates to coal chemical technology, relates in particular to the water wall coal slurry gasifier of a kind of set-point stove head.
Background technology
Gasification is the important component part of clean coal technology, it becomes cleaning coal gas with the coal conversion of cheapness, both can be used for the production chemical product, such as synthetic ammonia, synthesizing methanol, synthetic natural gas, dimethyl ether synthesis, synthesizing glycol etc., what also can be used for coal directly turns to the basic fields such as Poly-generation with indirect liquefaction, combined cycle generation (IGCC) with coal gas.
Coal gasifying process mainly comprises fixed bed gasification, fluidized-bed gasification, entrained flow gasification.Entrained flow gasification is the gasification of a kind of cocurrent flow type, it be with coal water slurry or dry pulverized coal as raw material, it is sent into vapourizing furnace, make coal water slurry or dry pulverized coal combustion gasification in vapourizing furnace, thereby finish reaction.Wherein, coal water slurry is the mixture that is mixed with by certain requirement by coal, water and chemical additive, have mobile and stable preferably, be easy to store, aerosolizable burning, be the more high and low pollution of a kind of efficiency of combustion, cheap clean fuel, have the advantages such as flameholding, disposal of pollutants are few.At present, generally all adopt refractory brick as liner with coal water slurry as the vapourizing furnace of raw material, but because refractory brick has a lot of shortcomings as the vapourizing furnace of liner, at high temperature easily weather such as refractory brick, the life-span is short; For the replacing of refractory brick, on the one hand, refractory brick is expensive, and frequent is so that the cost raising; On the other hand, its replacement cycle is long, and needs to stop, cause the problem that production efficiency is low, cost increases when changing.In order to overcome these shortcomings, people begin to develop the coal slurry gasifier of water wall structure.
Chinese patent literature CN2898030Y discloses a kind of wall water-cooling coal slurry gasifier, this wall water-cooling coal slurry gasifier comprises pressure-bearing shell, burner hearth district and Quench pipe in the pressure-bearing shell, also be included in the water wall that the burner hearth district in the pressure-bearing shell arranges, the prior art adopts water wall structure to replace the refractory brick of pressure-bearing shell liner, because the water by flowing in the water wall, water temp is more much lower than refractory brick, although temperature is very high in the burner hearth, and the wall temperature of water wall can be too not high, thereby make the work-ing life of water wall longer, guaranteed the macrocyclic continuous operation of vapourizing furnace, expense has been saved in greatly less maintenance work.But owing to contain a large amount of moisture in the coal water slurry, itself be difficult for lighting, it is very fast to add the water wall heat radiation, can't store in the stove and make the heat of keeping certain temperature in the stove, thereby so that the instantaneous ignition of the vapourizing furnace of water wall structure coal water slurry when starting is relatively more difficult, even the danger of peroxide blast appears.
The utility model content
The utility model has solved existing wall water-cooling coal slurry gasifier by set-point stove head and lighted hard problem when starting, and then the water wall coal slurry gasifier of a kind of set-point stove head is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
The water wall coal slurry gasifier of set-point stove head comprises body of heater;
Be arranged on the vaporizer in the described body of heater, described vaporizer inwall is water wall;
Be arranged on coal water slurry and vaporized chemical nozzle installing port, raw gas outlet and slag-drip opening on the described body of heater;
Also comprise the igniting burner, described igniting burner is arranged on the top of described body of heater, the inner chamber of described igniting burner and described vaporizer are connected, and are provided with on the described igniting burner for the shower nozzle installing port that feed nozzle and insertion point fire-fighting head are installed, and described inner chamber is that laying fireproof bricks forms.
Preferably, described igniting burner by flange be connected body of heater and connect.
Preferably, the inner chamber of described igniting burner comprises combustion chamber and the jet channel that is connected with described combustion chamber, and described jet channel is connected with described vaporizer.
Preferably, the junction between described combustion chamber and the described jet channel is reducing, and described reducing is shunk to described jet channel gradually from described combustion chamber.
Preferably, described jet channel internal diameter is 0.2-1.0 with described combustion chamber internal diameter ratio.
Preferably, described jet channel internal diameter is 0.5-0.7 with described combustion chamber internal diameter ratio.
Preferably, three layers of refractory materials composite structure are adopted in the furnace wall of described combustion chamber.
Preferably, described water wall inboard is laid with one deck refractory materials.
Preferably, described water wall is coil pipe or tubulation.
Preferably, between the shell of described vaporizer and described body of heater, be provided with insulated cabinet.
Preferably, described insulated cabinet is cavity or is filled with lagging material in insulated cabinet.
Preferably, described coal water slurry and vaporized chemical nozzle installing port are two or four or six or eight, and it is and is symmetrical arranged centered by the axis of described vaporizer.
Preferably, between described vaporizer and slag-drip opening, also be provided with shock chamber and chilling device.
The utility model is with respect to the beneficial effect of prior art:
The water wall coal slurry gasifier of set-point described in the utility model stove head, the igniting burner of refractory lining is set by the body of heater top at vapourizing furnace, during startup, can toast the ignition furnace head part first, making igniting reach certain temperature in the burner feeds intake again, thereby so that coal water slurry was lighted in moment, be injected to again in the body of heater of vapourizing furnace by the coal water slurry after lighting, thereby the problem that the vapourizing furnace that has overcome water wall structure feeds intake and is difficult for lighting when starting, also avoided the danger of water wall gasifier peroxide blast when coal water slurry feeds intake, improved the safety performance of water wall gasifier, so that vapourizing furnace shortens at the normal burning time that goes into operation that starts, simultaneously because the i.e. cooling operation after system starts of igniting burner, thereby so that the refractory brick in the igniting burner greatly prolong work-ing life.The water wall coal slurry gasifier of set-point described in the utility model stove head is by adopting many Nozzle structures, the maximization of favourable realization coal slurry gasifier.
Description of drawings
Fig. 1 is the structural representation of an embodiment of water wall coal slurry gasifier of set-point described in the utility model stove head;
Fig. 2 is the enlarged view of ignition furnace head part among Fig. 1;
Reference numeral among the figure is expressed as follows:
1-igniting burner, 11-combustion chamber, 12-jet channel, 13-refractory brick, 2-body of heater, 3-insulated cabinet, 4-vaporizer, 5-coal water slurry and vaporized chemical nozzle installing port, 6-water wall, 7-refractory masses, 8-chilling ring.
Embodiment
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model and beneficial effect are further described.
Referring to accompanying drawing 1, the water wall coal slurry gasifier of set-point described in the utility model stove head comprises body of heater 2, is arranged on the vaporizer 4 in the body of heater 2, and vaporizer 4 inwalls are water wall 6; Be arranged on coal water slurry and vaporized chemical nozzle installing port 5, raw gas outlet and slag-drip opening on the body of heater 2, also comprise igniting burner 1, igniting burner 1 is arranged on the top of body of heater 2, inner chamber and the vaporizer 4 of igniting burner 1 are connected, igniting is provided with feed nozzle and igniting shower nozzle installing port on the burner 1, and the inner chamber of igniting burner 1 is that refractory brick 13 is built by laying bricks or stones and formed.
The igniting burner of the water wall coal slurry gasifier of set-point described in the utility model stove head is connected to the top of body of heater by flange, for convenience detach and maintenance.
Igniting burner 1 is to comprise combustion chamber 11 and the jet channel 12 that is connected with combustion chamber 11, jet channel 12 is connected with vaporizer 4, and the end of jet channel 12 is deep in body of heater 2 tops, this design of igniting burner 1 can provide enough spaces for lighting of coal water slurry, so that igniting burner 1 is more reliable with being connected of body of heater, be difficult for revealing simultaneously.
Three layers of refractory materials composite structure are adopted in the furnace wall of the combustion chamber 11 of igniting burner 1, namely the refractory material laying by three layers of different refractoriness forms, this is because the small volume of igniting burner 1, flame when coal water slurry is lighted can cause larger injury to igniting burner 1 inwall, thereby the work-ing life of impact igniting burner 1, and the ability that three-layer composite structure can provide stronger anti-flame to corrode improves the work-ing life of igniting burner 1 and the cost of reduction igniting burner.
Junction between combustion chamber 11 and the jet channel 12 is reducing, and described reducing is shunk to described jet channel 12 gradually from described combustion chamber 11, and described jet channel 12 diameters and described combustion chamber internal diameter are preferably 0.5-0.7 than being 0.2-1.0.
Thereby for make water wall 6 better dross formed the protective membrane prolongs life, be provided with one deck refractory masses 7 in water wall 6 inboards.
In order further to reduce the appearance temperature of body of heater 2, between body of heater 2 and vaporizer 4, be provided with insulated cabinet 3, insulated cabinet 3 is cavitys, or it is heat insulation to insert lagging material in insulated cabinet 3.
Coal water slurry on the described body of heater 2 and vaporized chemical nozzle installing port 5 have two or four or six or eight, and it is and is symmetrical arranged centered by the axis of described vaporizer.Like this after startup, can use coal water slurry on this coal water slurry and the vaporized chemical nozzle installing port 5 and vaporized chemical nozzle to the vapourizing furnace charging, and guarantee inlet amount, the work of just can lowering the temperature of igniting burner 1.
In order to realize the quick cooling of product gas, the water wall coal slurry gasifier of set-point described in the utility model stove head also comprises the chilling device that is arranged between vaporizer 4 and the slag-drip opening, this chilling device can be any suitable structure, such as the chilling device of Texaco gasifier, the chilling device among the described embodiment of Fig. 1 adopts chilling ring 8.
Restart after the water wall coal slurry gasifier blowing out of set-point described in the utility model stove head and need to carry out first the baker preheating, and then come into operation.
The gasifying process of the water wall coal slurry gasifier of set-point described in the utility model stove head is as follows:
At first at the shower nozzle installing port insertion point fire-fighting head of burner 1 of lighting a fire, insert coal water slurry and vaporized chemical nozzle in coal water slurry and vaporized chemical nozzle installing port, vaporizer 4 and igniting burner 1 are carried out baker, make it reach respectively predetermined oven drying temperature, wherein light a fire oven drying temperature in the burner, preferably reach between 800 ~ 1550 ℃ preferably 1000 ~ 1100 ℃.
Then, extract ignition burner out, at the shower nozzle installing port of igniting burner 1 feed nozzle of packing into, feed nozzle sprays into coal water slurry and vaporized chemical in the igniting burner 1, and coal water slurry is lighted.
The coal water slurry of being lighted sprays into vaporizer 4 along jet channel 12, lights the coal water slurry and the vaporized chemical that are sprayed in the vaporizer by coal water slurry and vaporized chemical nozzle and carries out gasification reaction, and vapourizing furnace starts; The temperature of control vaporizer is 1200 ~ 1500 ℃ and gasifies.
After above-mentioned gasification finishes, the work of can lowering the temperature of igniting burner 1.Also can in said process, select the work of suitable time arrests stove head 1.
In the above-described embodiment, described vaporized chemical can be selected any gases that are suitable for gasification reaction such as oxygen or air, and described coal water slurry is a kind of fluidised form gasified raw material, and gasified raw material also is applicable to the carbonaceous fuels such as dry pulverized coal, heavy oil.
Although the utility model elaborates it by embodiment; but; those skilled in the art should be understood that; the any form that does not exceed the claim protection domain of making on this basis and the variation of details all belong to the claimed scope of the utility model.
Claims (6)
1. the water wall coal slurry gasifier of set-point stove head comprises body of heater,
Be arranged on the vaporizer in the described body of heater, described vaporizer inwall is water wall;
Be arranged on coal water slurry and vaporized chemical nozzle installing port, raw gas outlet and slag-drip opening on the described body of heater;
It is characterized in that, also comprise the igniting burner, described igniting burner is arranged on the top of described body of heater, the inner chamber of described igniting burner and described vaporizer are connected, be provided with on the described igniting burner for the shower nozzle installing port that feed nozzle, insertion point fire-fighting head are installed, described inner chamber is that laying fireproof bricks forms.
2. water wall coal slurry gasifier according to claim 1 is characterized in that, described igniting burner by flange be connected body of heater and connect.
3. water wall coal slurry gasifier according to claim 1, it is characterized in that, the inner chamber of described igniting burner comprises combustion chamber and the jet channel that is connected with described combustion chamber, described jet channel is connected with described vaporizer, junction between described combustion chamber and the described jet channel is reducing, described reducing is shunk to described jet channel gradually from described combustion chamber, and described jet channel internal diameter and described combustion chamber internal diameter are than being 0.2-1.0.
4. water wall coal slurry gasifier according to claim 3 is characterized in that, described jet channel internal diameter is 0.5-0.7 with described combustion chamber internal diameter ratio.
5. according to claim 3 or 4 described water wall coal slurry gasifiers, it is characterized in that three layers of refractory materials composite structure are adopted in the furnace wall of described combustion chamber.
6. according to claim 1 and 2 or 3 or 4 described water wall coal slurry gasifiers, it is characterized in that described water wall inboard is laid with one deck refractory materials, described water wall is coil pipe or tubulation; Be provided with insulated cabinet between the shell of described vaporizer water wall and described body of heater, described insulated cabinet is cavity or is filled with lagging material in insulated cabinet; Described coal water slurry and vaporized chemical nozzle installing port are two or four or six or eight, and it is centered by the axis of described vaporizer, are to be symmetrical arranged; Between described vaporizer and slag-drip opening, also be provided with shock chamber and chilling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318041 CN202786140U (en) | 2012-03-23 | 2012-06-29 | Water-walled water-coal-slurry gasifier with ignition furnace head |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210079468.5 | 2012-03-23 | ||
| CN201210079468 | 2012-03-23 | ||
| CN 201220318041 CN202786140U (en) | 2012-03-23 | 2012-06-29 | Water-walled water-coal-slurry gasifier with ignition furnace head |
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| Publication Number | Publication Date |
|---|---|
| CN202786140U true CN202786140U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210226764.3A Active CN103320171B (en) | 2012-03-23 | 2012-06-29 | Water wall coal water slurry gasifier provided with ignition furnace head and gasification technologies thereof |
| CN 201220318041 Expired - Lifetime CN202786140U (en) | 2012-03-23 | 2012-06-29 | Water-walled water-coal-slurry gasifier with ignition furnace head |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210226764.3A Active CN103320171B (en) | 2012-03-23 | 2012-06-29 | Water wall coal water slurry gasifier provided with ignition furnace head and gasification technologies thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320171A (en) * | 2012-03-23 | 2013-09-25 | 王庆 | Water wall coal water slurry gasifier provided with ignition furnace head and gasification technologies thereof |
| CN103820160A (en) * | 2014-03-03 | 2014-05-28 | 华东理工大学 | Combustion chamber, coal water slurry gasification furnace with water wall and multiple opposite nozzles, and application of coal water slurry gasification furnace |
| CN104962321A (en) * | 2015-06-15 | 2015-10-07 | 航天长征化学工程股份有限公司 | Water-cooled wall of gasification furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103740411B (en) * | 2014-01-14 | 2015-02-04 | 中国矿业大学(北京) | Novel lignite gasification reactor and system |
| CN104745220B (en) * | 2015-03-06 | 2016-03-30 | 中美新能源技术研发（山西）有限公司 | A kind of coal liquifaction novel reactor |
| CN114752419B (en) * | 2022-05-17 | 2023-03-14 | 安徽理工大学 | Gasifier drying device capable of automatically adjusting temperature |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100241137B1 (en) * | 1997-11-24 | 2000-03-02 | 최수현 | Wet coal gasifier |
| CN2804624Y (en) * | 2005-07-11 | 2006-08-09 | 万启科 | Coal slurry boiler burner |
| CN101003755B (en) * | 2006-01-19 | 2010-09-29 | 神华集团有限责任公司 | Gasification stove with multi nozzle, and gasification method |
| CN1850949A (en) * | 2006-05-18 | 2006-10-25 | 艾佩克斯科技（沈阳）有限公司 | Gas-flowbed powdercoal gasifying apparatus with precombustion chamber |
| CN201395580Y (en) * | 2009-04-07 | 2010-02-03 | 顾大地 | Simple ignition-type water wall coal gasifier |
| CN101691924B (en) * | 2009-10-21 | 2011-08-17 | 北京航天动力研究所 | Water coal slurry pressure gasification process burner device with ignition device |
| CN201560178U (en) * | 2009-11-20 | 2010-08-25 | 山西阳煤丰喜肥业(集团)有限责任公司 | Water-coal-slurry water cooled wall gasification furnace |
| CN103320171B (en) * | 2012-03-23 | 2017-04-26 | 任相坤 | Water wall coal water slurry gasifier provided with ignition furnace head and gasification technologies thereof |
-
2012
- 2012-06-29 CN CN201210226764.3A patent/CN103320171B/en active Active
- 2012-06-29 CN CN 201220318041 patent/CN202786140U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320171A (en) * | 2012-03-23 | 2013-09-25 | 王庆 | Water wall coal water slurry gasifier provided with ignition furnace head and gasification technologies thereof |
| CN103320171B (en) * | 2012-03-23 | 2017-04-26 | 任相坤 | Water wall coal water slurry gasifier provided with ignition furnace head and gasification technologies thereof |
| CN103820160A (en) * | 2014-03-03 | 2014-05-28 | 华东理工大学 | Combustion chamber, coal water slurry gasification furnace with water wall and multiple opposite nozzles, and application of coal water slurry gasification furnace |
| CN104962321A (en) * | 2015-06-15 | 2015-10-07 | 航天长征化学工程股份有限公司 | Water-cooled wall of gasification furnace |
| CN104962321B (en) * | 2015-06-15 | 2019-08-20 | 航天长征化学工程股份有限公司 | Water-cooled wall of gasification furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103320171B (en) | 2017-04-26 |
| CN103320171A (en) | 2013-09-25 |
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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: 20130313 Effective date of abandoning: 20170426 |
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| AV01 | Patent right actively abandoned |