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Natural gas production system and method thereof

A technology of production system and production method, which is applied in the direction of gas fuel, petroleum industry, fuel, etc., and can solve the problems of large volume and huge system

Inactive Publication Date: 2015-11-25
AIR PROD & CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In industry, a large amount of syngas needs to be processed, and the volume of equipment such as water-gas shift devices and cleaning devices is quite large, so the entire system is quite large

Method used

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  • Natural gas production system and method thereof
  • Natural gas production system and method thereof
  • Natural gas production system and method thereof

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Embodiment Construction

[0013] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any sequence, quantity or importance, but are only used to distinguish different components. Words such as "comprises", "comprises" or "comprising" and similar terms mean that the elements or items listed before "comprises", "comprises" or "comprises" encompass the elements or items listed after "comprising" or "comprises" and their equivalents do not exclude other elements, objects or elements. Words such as "connect", "connect" or "communicate" and the like are not limited to direct connections, but may include indirect connections. Numerical ranges are inclusive of their endpoints.

[0014] figure 1 Shown is a schematic diagram of a natural gas produ...

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PUM

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Abstract

The invention discloses a natural gas production system and a method thereof. The natural gas production system comprises gasification equipment used for gasifying a fuel source to generate a synthesis gas containing hydrogen and carbon monoxide, a water-gas shift reactor which is communicated with the gasification equipment and is used for adjusting the ratio of hydrogen to carbon monoxide, a first methanation reactor which is communicated with the water-gas shift reactor and is used for carrying out a reaction between at least part of hydrogen and at least part of carbon monoxide to generate methane, an acid gas removal device which is communicated with the first methanation reactor and is used for removing acid gas, and a second methanation reactor which is communicated with the acid gas removal device and is used for promoting a reaction between hydrogen and carbon monoxide to further generate methane. A natural gas production method is also designed in the invention.

Description

technical field [0001] The present invention relates to a natural gas production system and method, in particular to a system and method for preparing natural gas by gasifying a fuel source. Background technique [0002] Generally, a system for producing natural gas includes a gasification device (such as a gasifier). Synthesis gas consisting primarily of carbon monoxide and hydrogen is produced by reacting a carbonaceous fuel source with oxygen and steam at high temperature and pressure in a gasification unit. A water gas shift reaction is performed on the syngas to adjust the ratio of carbon monoxide and hydrogen for the methanation process. After the synthesis gas is cleaned and treated, it undergoes a methanation reaction to produce methane, that is, the carbon monoxide and hydrogen in the synthesis gas react to produce methane and water. In the industry, a large amount of syngas needs to be processed, and the water-gas shift device, cleaning device and other equipment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/08
Inventor 胡立舜薛俊利张洁
Owner AIR PROD & CHEM INC