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Coal gasification combined Stirling power generation system based on IGCC

A power generation system and coal gasification technology, applied in the field of coal gasification, can solve the problems of complex structure of waste pot, wear of heating surface of waste pot, aggravating equipment fatigue, etc.

Inactive Publication Date: 2021-06-04
HUANENG CLEAN ENERGY RES INST +2
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, the structure of the waste pot is complicated and the cost is high
The fly ash carried in the syngas seriously wears the heating surface of the waste pot, and it is easy to accumulate ash and block
In order to avoid dust accumulation, measures such as rapping and knocking and nitrogen backflushing are usually used, which will increase nitrogen consumption, affect synthetic components, aggravate equipment fatigue, and affect service life

Method used

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  • Coal gasification combined Stirling power generation system based on IGCC

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Embodiment Construction

[0021] The present invention is described in further detail below in conjunction with accompanying drawing:

[0022] refer to figure 1 , the IGCC-based coal gasification combined Stirling power generation system of the present invention includes a two-stage gasifier 1, a cyclone separator 2 and a Stirling power generation system 6; the syngas outlet of the two-stage gasifier 1 and the The inlet of the cyclone separator 2 is connected, the top outlet of the cyclone separator 2 is connected with the inlet of the Stirling power generation system 6 , and the bottom outlet of the cyclone separator 2 is connected with the inlet of the two-stage gasifier 1 .

[0023] The present invention also includes a fly ash accelerator 7 and a high-pressure nitrogen pipeline, wherein the inlet of the fly ash accelerator 7 communicates with the high-pressure nitrogen pipeline and the bottom outlet of the cyclone separator 2, and the outlet of the fly ash accelerator 7 communicates with the two-st...

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Abstract

The invention discloses a coal gasification combined Stirling power generation system based on IGCC. The coal gasification combined Stirling power generation system comprises a two-section gasification furnace, a cyclone separator and a Stirling power generation system; a synthesis gas outlet of the two-section gasification furnace is communicated with an inlet of the cyclone separator, a top outlet of the cyclone separator is communicated with an inlet of the Stirling power generation system, a bottom outlet of the cyclone separator is communicated with an inlet of the two-section gasification furnace, and the system is simple in structure, low in manufacturing cost and not prone to abrasion.

Description

technical field [0001] The invention belongs to the field of coal gasification and relates to an IGCC-based coal gasification combined Stirling power generation system. Background technique [0002] IGCC technology combines clean coal gasification technology with high-efficiency gas-steam combined cycle power generation system. It has high power generation efficiency and excellent environmental protection performance. It is a promising clean coal power generation technology. At present, the IGCC combined cycle power generation system is to purify the syngas produced by coal gasification, remove sulfide, nitride, dust and other pollutants in the gas, and turn it into a clean gas fuel, and then send it to the combustion chamber of the gas turbine for combustion, heating the gas The working medium is used to drive the gas turbine to generate power, and the exhaust gas of the gas turbine enters the waste heat boiler to heat the feed water, and superheated steam is generated to d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/72C10J3/84C10K1/02F01K13/00F02G1/043F02G1/053
CPCC10J3/84C10J3/72C10K1/026F02G1/043F02G1/053F01K13/00C10J2300/1603C10J2300/1671C10J2300/1675Y02E20/18
Inventor 樊强许世森任永强李小宇陶继业刘刚刘沅陈智王鹏杰罗丽珍王晓刚吴琼
Owner HUANENG CLEAN ENERGY RES INST
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