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Coal water slurry gasification process system

A process system and coal-water slurry technology, applied in the field of coal gasification, can solve the problem that a large amount of heat energy of synthesis gas cannot be recovered, etc.

Active Publication Date: 2016-04-20
CHINA SHENHUA ENERGY CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to provide a coal-water slurry gasification process system to solve the problem that a large amount of heat energy of the synthesis gas in the coal-water slurry gasification process system in the prior art cannot be recovered

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  • Coal water slurry gasification process system
  • Coal water slurry gasification process system
  • Coal water slurry gasification process system

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Embodiment Construction

[0032] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0033] see Figure 1 to Figure 10 As shown, according to the embodiment of the present invention, a coal-water slurry gasification process system is provided. The coal water slurry gasification process system includes: a gasification unit 10 and a heat recovery unit 20 . The gasification unit 10 includes a coal gasifier 11; the heat recovery unit 20 includes a heat exchanger 21 and a cooling device 22, wherein the air inlet 2113 of the heat exchanger 21 is connected to the first gas outlet 119 of the coal gasifier 11, and the cooling device The air inlet of 22 is connected with the air outlet 2112 of heat exchanger 21, and both heat exchanger 21 and cooling device 22 have heat exchange tubes, and the heat exchange tubes of heat exchanger 21 and the...

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Abstract

The invention provides a coal water slurry gasification process system. The coal water slurry gasification process system comprises a gasification unit and a heat recovery unit, wherein the gasification unit comprises a coal gasifier; the heat recovery unit comprises a heat exchanger and a cooling device, wherein the air inlet of the heat exchanger is connected with the first air outlet of the coal gasifier, the air inlet of the cooling device is connected with the air outlet of the heat exchanger, and each of the heat exchanger and the cooling device is provided with a heat exchange pipe; a cooling medium is filled in both the heat exchange pipe of the heat exchanger and the heat exchange pipe of the cooling device and is used for recovering heat carried by synthetic gas flowing through the heat exchanger and the cooling device. By using the coal water slurry gasification process system provided by the invention, the heat in the synthetic gas can be recovered again.

Description

technical field [0001] The invention relates to the technical field of coal gasification, and more specifically relates to a coal-water slurry gasification process system. Background technique [0002] The existing Texaco coal-water slurry gasification technology is a mature coal gasification technology, but there are still various problems, such as: the huge heat energy of the high-temperature syngas cannot be effectively recovered, the water consumption is high, and the chilling interior parts have been exhausted. Damage, short operation period, coal cinders cannot be dried on site, easy to cause secondary pollution during transportation, and the existing coal cinder drying technology has high energy consumption and poor drying effect, and the syngas contains high ash content and high water content. Contents of the invention [0003] The present invention aims to provide a coal-water slurry gasification process system to solve the problem that a large amount of heat ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/48C10J3/82
CPCY02P20/10
Inventor 胡先君余建良唐煜李雪冰
Owner CHINA SHENHUA ENERGY CO LTD
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