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Device and method for preparing hydrogen-rich syngas by coal-gasifying plasma

A plasma and coal gasification technology, which is applied in hydrogen/synthesis gas production, chemical instruments and methods, hydrogen production, etc., can solve the problems of long preparation cycle, easy pollution, large space occupation, etc., and improve the effect of clean transformation , reduce CO2 content, improve the effect of carbon conversion rate

Inactive Publication Date: 2018-07-27
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
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Problems solved by technology

However, the current coal gasification industrial equipment is relatively large, occupying a large space, high cost, and long preparation cycle
Unsatisfactory cleaning effect, easy to cause pollution

Method used

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  • Device and method for preparing hydrogen-rich syngas by coal-gasifying plasma
  • Device and method for preparing hydrogen-rich syngas by coal-gasifying plasma

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The purpose of the present invention is to provide a device and method for producing hydrogen-rich synthesis gas through plasma coal gasification. By setting up a plasma jet, a mixing chamber and a reaction chamber, the high heat enthalpy and high chemical activity of thermal plasma are utilized. Features, the combination of plasma technology and coal conversion makes the synthesis gas preparation process short, improves the clean conversion effect, and ...

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Abstract

The invention discloses a device and method for preparing hydrogen-rich syngas by coal-gasifying plasma. The device comprises a plasma jet machine, a mixing cavity and a reaction cavity; the plasma jet machine is arranged at the upper end of the mixing cavity, and the reaction cavity is communicated with the lower end of the mixing cavity; an air inlet is formed in the plasma jet machine, a coal powder inlet is formed in the top end, a first air outlet is formed in the lower end of the plasma jet machine, and the first air outlet is communicated with the mixing cavity; and a second air outletis formed in the reaction cavity. The device for preparing the hydrogen-rich syngas by coal-gasifying plasma can shorten the preparation procedure, and improve the cleanness conversion effect.

Description

technical field [0001] The invention relates to the technical field of chemical raw material preparation, in particular to a device and method for producing hydrogen-rich synthesis gas through plasma coal gasification. Background technique [0002] my country's resource characteristics of "poor oil, low gas, and rich coal" determine that it is necessary to partially replace oil and natural gas with coal to produce energy and chemical products. In recent years, the clean and efficient utilization of coal has gradually become a hot spot of social concern. Coal gasification technology is the basis for clean and efficient utilization of coal, which refers to the synthesis gas produced by gasification of coal at high temperature, the main component of which is hydrogen (H 2 ) and carbon monoxide (CO), and then use syngas as raw material to produce methanol, natural gas, synthetic oil and other primary products, and use methanol as raw material to produce the core technology of et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/06C01B3/02
CPCY02E60/36C01B3/06C01B3/02C01B2203/0861C01B2203/1205
Inventor 方世东
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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