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Fixed bed pressurized gasification system

A pressurized gasification and fixed bed technology, applied in the field of gasification technology, can solve the problems of high methane content and large impact on system production capacity, and achieve the effect of reducing methane content and increasing effective gas conversion rate

Inactive Publication Date: 2017-03-29
北京金泰瑞和工程科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a fixed-bed pressurized gasification system to solve the technical problem existing in the prior art that the methane content in the gas produced by the gasification system is high and has a great impact on the production capacity of the system

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Embodiment Construction

[0029] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. 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] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a fixed bed pressurized gasification system and relates to the technical field of gasification processes, aiming at solving the problems that the content of methane in produced coal gas is high and influences on a production capacity of the system are relatively great. The fixed bed pressurized gasification system comprises a gasification reactor, a methane conversion device, a coal gas waste boiler, a washing saturation tower and an ash water treatment system, wherein a gas inlet of the methane conversion device is communicated with a gas outlet of the gasification reactor; a gasification agent inlet is arranged in the top of the methane conversion device; a gasification agent which enters the methane conversion device from the gasification agent inlet comprises oxygen; the coal gas waste boiler is communicated with a gas outlet of the methane conversion device; the washing saturation tower is communicated with the coal gas waste boiler; the ash water treatment system is communicated with the gasification reactor, the coal gas waste boiler and the washing saturation tower respectively. By adopting the fixed bed pressurized gasification system provided by the invention, the disadvantages that the content of methane in the produced coal gas is high, the coal gas carries organic matters including coke tar and the like can be effectively overcome.

Description

technical field [0001] The invention relates to the technical field of gasification technology, in particular to a fixed-bed pressurized gasification system. Background technique [0002] At present, the traditional fixed-bed gasification technology of coal particles is a technology that uses air to add steam under high-temperature combustion fixed-bed intermittent circulation to convert coal to produce coal gas (carbon monoxide and hydrogen). Generally speaking, this kind of coal gasification process device is composed of coal bunker, feed metering tank, gasifier, ash storage hopper, dust collector, air fan and auxiliary supporting facilities; the gasification agent is mostly air and water vapor, The pressure is close to normal pressure; the efficiency is low, the energy consumption is large, and the environmental pollution is large. In addition, the Lurgi furnace of the Lurgi company in Germany is also a pressurized fixed bed gasification process. The Lurgi furnace pressu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/20C10J3/30C10J3/42C10J3/60C10J3/76C10J3/84C10J3/86C02F9/10
CPCC10J3/20C10J3/30C10J3/42C10J3/60C10J3/76C10J3/84C10J3/86C02F1/048C02F1/06C02F1/52C10J2300/0959C10J2300/0956C10J2300/0976C10J2300/0969C10J2300/1603C10J2300/1618C10J2300/1615C10J2300/169C10J2300/1687C02F2301/08
Inventor 戴云峰薛磊李长安彭亿平
Owner 北京金泰瑞和工程科技有限公司
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