CN112961704A - Coal gasification cracking gasification furnace - Google Patents
Coal gasification cracking gasification furnace Download PDFInfo
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- CN112961704A CN112961704A CN202110156364.9A CN202110156364A CN112961704A CN 112961704 A CN112961704 A CN 112961704A CN 202110156364 A CN202110156364 A CN 202110156364A CN 112961704 A CN112961704 A CN 112961704A
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- coal
- gasification
- cracking
- chamber
- reaction chamber
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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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
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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
- C10J3/62—Processes with separate withdrawal of the distillation products
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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
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
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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
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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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
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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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
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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
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
Abstract
The invention discloses a coal gasification cracking gasifier, which comprises a gasification reaction chamber burner, a gasification furnace shell, a descending cylinder, a gasification reaction chamber, a coal cracking chamber and a slag pool, wherein the descending cylinder, the gasification reaction chamber, the coal cracking chamber and the slag pool are arranged in the gasification furnace shell; the gasification reaction chamber, the coal cracking chamber and the slag pool are sequentially distributed from top to bottom, the upper end of the descending cylinder is communicated with an outlet at the bottom of the coal cracking chamber, the lower end of the descending cylinder is inserted into the slag pool, a synthetic gas outlet is formed in the side wall of the shell of the gasification furnace, the synthetic gas outlet is located between the slag pool and the coal cracking chamber, a burner of the gasification reaction chamber is inserted into the gasification reaction chamber, and the gasification furnace is low in cost and large in gas production.
Description
Technical Field
The invention relates to a gasification furnace, in particular to a coal gasification cracking gasification furnace.
Background
Coal gasification is a leading core technology in the field of IGCC power generation and coal chemical industry, in the coal gasification technology, the temperature of the synthesis gas generated by a gasification furnace is more than 1400 ℃, so that the synthesis gas needs to be cooled, generally, a water chilling mode or a synthesis gas chilling mode is adopted for cooling, the energy loss is large, the yield of the synthesis gas cannot be increased, and the popularization and the application of the coal gasification are not facilitated.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned disadvantages of the prior art, and to provide a coal gasification pyrolysis gasifier which cools high-temperature syngas while thermally cracking coal at high temperature using syngas, and also generates more syngas, which is low in cost, and can significantly increase gas production.
In order to achieve the aim, the coal gasification pyrolysis gasifier comprises a gasification reaction chamber burner, a gasifier shell, a descending cylinder, a gasification reaction chamber, a coal cracking chamber and a slag pool, wherein the descending cylinder, the gasification reaction chamber, the coal cracking chamber and the slag pool are arranged in the gasifier shell;
the gasification reaction chamber, the coal cracking chamber and the slag pool are sequentially distributed from top to bottom, the upper end of the descending cylinder is communicated with an outlet at the bottom of the coal cracking chamber, the lower end of the descending cylinder is inserted into the slag pool, a synthetic gas outlet is formed in the side wall of the shell of the gasification furnace, the synthetic gas outlet is located between the slag pool and the coal cracking chamber, and a burner of the gasification reaction chamber is inserted into the gasification reaction chamber.
The inner wall of the gasification reaction chamber is a water-cooled wall.
The water-cooled wall is provided with a water-cooled wall circulating water outlet and a water-cooled wall circulating water inlet.
The side of the coal cracking chamber is provided with a crushed coal inlet.
And a crushed coal supporting plate used for limiting crushed coal in the coal cracking chamber is arranged at the bottom outlet of the coal cracking chamber.
The bottom of the slag pool is provided with a slag discharge port.
A slag discharging valve is arranged at the slag discharging opening.
The bottom of the coal cracking chamber is of a necking structure.
The synthetic gas output by the gasification reaction chamber descends into the coal cracking chamber, so that crushed coal in the coal cracking chamber generates synthetic gas, then descends together with the synthetic gas output by the gasification reaction chamber, is sent into the slag pool through the descending cylinder, is discharged through the synthetic gas outlet after being dedusted by the slag pool.
The crushed coal supporting plate is of a porous structure.
The invention has the following beneficial effects:
when the coal gasification cracking gasification furnace is specifically operated, the generated high-temperature synthesis gas is used for cracking crushed coal in the coal cracking chamber to generate synthesis gas, so that the gas yield is improved, meanwhile, the synthesis gas is cooled, a heat exchanger is avoided, the cost is reduced, in addition, the synthesis gas enters a slag pool through a down pipe for ash removal, and finally, the synthesis gas is discharged from a synthesis gas outlet, so that the operation is convenient and simple, and the popularization and the application are convenient.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a gasification furnace shell, 2 is a gasification reaction chamber, 2.1 is a gasification reaction chamber burner, 3 is a water-cooled wall, 3.1 is a water-cooled wall circulating water inlet, 3.2 is a water-cooled wall circulating water outlet, 4 is a coal cracking chamber, 5 is a crushed coal inlet, 6 is a crushed coal support plate, 7 is a descending cylinder, 8 is a slag tank, 9 is a synthetic gas outlet, and 10 is a slag discharge port.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Referring to fig. 1, the coal gasification pyrolysis gasifier of the present invention includes a gasification reaction chamber burner 2.1, a gasifier housing 1, and a descending cylinder 7, a gasification reaction chamber 2, a coal cracking chamber 4, and a slag bath 8 disposed in the gasifier housing 1; the gasification reaction chamber 2, the coal cracking chamber 4 and the slag pool 8 are sequentially distributed from top to bottom, the upper end of the descending cylinder 7 is communicated with an outlet at the bottom of the coal cracking chamber 4, the lower end of the descending cylinder 7 is inserted into the slag pool 8, a synthetic gas outlet 9 is arranged on the side wall of the gasification furnace shell 1, the synthetic gas outlet 9 is positioned between the slag pool 8 and the coal cracking chamber 4, and the gasification reaction chamber burner 2.1 is inserted into the gasification reaction chamber 2. During operation, the synthesis gas output by the gasification reaction chamber 2 descends into the coal cracking chamber 4, so that the crushed coal in the coal cracking chamber 4 generates synthesis gas, then descends together with the synthesis gas output by the gasification reaction chamber 2, is sent into the slag pool 8 through the descending cylinder 7, is dedusted through the slag pool 8, and is discharged through the synthesis gas outlet 9.
The inner wall of the gasification reaction chamber 2 is a water-cooled wall 3, and the water-cooled wall 3 is provided with a water-cooled wall circulating water outlet 3.2 and a water-cooled wall circulating water inlet 3.1.
The side of coal cracking chamber 4 is provided with crushed coal import 5, and the bottom exit of coal cracking chamber 4 is provided with and is used for carrying out spacing crushed coal backup pad 6 to the crushed coal in coal cracking chamber 4, and the bottom of coal cracking chamber 4 is the throat structure, and crushed coal backup pad 6 is porous structure.
The bottom of the slag pool 8 is provided with a slag discharge port 10, and a slag discharge valve is arranged at the slag discharge port 10.
The specific working process of the invention is as follows:
the high-temperature synthesis gas output by the gasification reaction chamber 2 descends into the coal cracking chamber 4, so that the coal in the coal cracking chamber 4 is cracked to generate synthesis gas, the two synthesis gases converge and then are introduced into the slag pool 8 through the descending cylinder 7, and are discharged from the synthesis gas outlet 9 after being dedusted through the slag pool 8.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A coal gasification cracking gasifier is characterized by comprising a gasification reaction chamber burner (2.1), a gasifier shell (1), a descending cylinder (7) arranged in the gasifier shell (1), a gasification reaction chamber (2), a coal cracking chamber (4) and a slag pool (8);
gasification reaction chamber (2), coal cracking chamber (4) and cinder notch (8) distribute from the top down in proper order, the upper end of decline section of thick bamboo (7) is linked together with the bottom export of coal cracking chamber (4), the lower extreme of decline section of thick bamboo (7) inserts in cinder notch (8), be provided with synthetic gas export (9) on the lateral wall of gasification furnace casing (1), wherein, synthetic gas export (9) are located between cinder notch (8) and coal cracking chamber (4), gasification reaction chamber nozzle (2.1) insert in gasification reaction chamber (2).
2. The coal gasification pyrolysis gasifier according to claim 1, wherein the inner wall of the gasification reaction chamber (2) is a water cooled wall (3).
3. The coal gasification cracking gasifier according to claim 1, wherein the water wall (3) is provided with a water wall circulating water outlet (3.2) and a water wall circulating water inlet (3.1).
4. The coal gasification pyrolysis gasifier according to claim 1, wherein a crushed coal inlet (5) is provided at a side of the coal cracking chamber (4).
5. The coal gasification cracking gasifier according to claim 1, wherein a crushed coal support plate (6) for limiting crushed coal in the coal cracking chamber (4) is arranged at the bottom outlet of the coal cracking chamber (4).
6. The coal gasification cracking gasifier according to claim 1, wherein the bottom of the slag pool (8) is provided with a slag discharge port (10).
7. The coal gasification cracking gasifier according to claim 6, wherein a slag discharge valve is arranged at the slag discharge port (10).
8. The coal gasification cracking gasifier according to claim 1, wherein the bottom of the coal cracking chamber (4) is of a throat structure.
9. The coal gasification cracking gasifier according to claim 1, wherein the synthesis gas output from the gasification reaction chamber (2) descends into the coal cracking chamber (4) to generate synthesis gas from crushed coal in the coal cracking chamber (4), and then descends together with the synthesis gas output from the gasification reaction chamber (2) through the descending cylinder (7) to be sent into the slag tank (8), and is discharged through the synthesis gas outlet (9) after ash removal through the slag tank (8).
10. The coal gasification pyrolysis gasifier according to claim 5, wherein the crushed coal support plate (6) has a porous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110156364.9A CN112961704A (en) | 2021-02-04 | 2021-02-04 | Coal gasification cracking gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110156364.9A CN112961704A (en) | 2021-02-04 | 2021-02-04 | Coal gasification cracking gasification furnace |
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| Publication Number | Publication Date |
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| CN112961704A true CN112961704A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110156364.9A Pending CN112961704A (en) | 2021-02-04 | 2021-02-04 | Coal gasification cracking gasification furnace |
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| CN (1) | CN112961704A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050387A (en) * | 2007-05-22 | 2007-10-10 | 西安热工研究院有限公司 | Entrained flow gasification installation for compressive dry coal powder and under slag draining in solid state |
| AR083473A1 (en) * | 2011-09-01 | 2013-02-27 | Guradoor Sl | DUAL GASIFICATION-PIROLISIS REACTOR DEVICE |
| CN107674711A (en) * | 2017-11-13 | 2018-02-09 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the dry coal powder pressure gasifying stove and method of work of band screen formula radiation waste pot |
| CN207987118U (en) * | 2017-11-13 | 2018-10-19 | 中国华能集团清洁能源技术研究院有限公司 | A kind of uplink two-part gasification mechanism |
| CN109401798A (en) * | 2018-12-13 | 2019-03-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of double circle of contact double-section dry coal powder pressurized-gasification furnaces and its gasification process |
| CN110669553A (en) * | 2019-10-28 | 2020-01-10 | 中国华能集团清洁能源技术研究院有限公司 | Gasification furnace for multi-raw material grading feeding |
-
2021
- 2021-02-04 CN CN202110156364.9A patent/CN112961704A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050387A (en) * | 2007-05-22 | 2007-10-10 | 西安热工研究院有限公司 | Entrained flow gasification installation for compressive dry coal powder and under slag draining in solid state |
| AR083473A1 (en) * | 2011-09-01 | 2013-02-27 | Guradoor Sl | DUAL GASIFICATION-PIROLISIS REACTOR DEVICE |
| CN107674711A (en) * | 2017-11-13 | 2018-02-09 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the dry coal powder pressure gasifying stove and method of work of band screen formula radiation waste pot |
| CN207987118U (en) * | 2017-11-13 | 2018-10-19 | 中国华能集团清洁能源技术研究院有限公司 | A kind of uplink two-part gasification mechanism |
| CN109401798A (en) * | 2018-12-13 | 2019-03-01 | 中国华能集团清洁能源技术研究院有限公司 | A kind of double circle of contact double-section dry coal powder pressurized-gasification furnaces and its gasification process |
| CN110669553A (en) * | 2019-10-28 | 2020-01-10 | 中国华能集团清洁能源技术研究院有限公司 | Gasification furnace for multi-raw material grading feeding |
Non-Patent Citations (1)
| Title |
|---|
| 王钰: "《煤化工生产技术》", 28 February 2017 * |
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Application publication date: 20210615 |
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