Saturation temperature determining and adjusting method

A link and oxide layer technology, applied in the petroleum industry and the manufacture of combustible gas, etc., can solve the problems of uncertain adjustment time, large fluctuation of gasification efficiency, easy slagging, etc., to achieve less fluctuation, high gasification efficiency, grate long life effect

Inactive Publication Date: 2014-02-19
王万利
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

There is no upper limit for one-time adjustment of saturation temperature, or it is incorrect, the adjustment time is uncertain, the gasification efficiency fluctuates greatly, slagging is easy to occur, and the grate is burnt out

Method used

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Embodiment Construction

[0016] The method for determining and adjusting the saturation temperature of the present invention, the saturation temperature is 50-65° C., and the steam pressure is correct, comprises the following steps:

[0017] The circulation position of the oxide layer is high, the saturation temperature is lowered, the circulation position of the oxide layer is lowered, one time is less than or equal to the length of the oxide layer, the temperature of the gasification agent is reduced after preheating, the steam content in the gasification agent is reduced, and the positions of the upper and lower oxide layers are connected to improve gasification efficiency;

[0018] The circulation position of the oxide layer is low, increase the saturation temperature, the circulation position of the oxide layer rises, one time is less than or equal to the length of the oxide layer, the steam content in the gasification agent increases, the positions of the upper and lower oxide layers are connecte...

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Abstract

The invention provides a saturation temperature determining and adjusting method, and relates to a production method of gas. The method comprises the following steps: when the circulation position of an oxidizing layer is high, the saturation temperature is decreased, the circulation position of the oxidizing layer is lowered by a distance less than or equal to the length of the oxidizing layer for each time; and when the circulation position of the oxidizing layer is low, the saturation temperature is increased, the circulation position of the oxidizing layer is lifted by a distance less than or equal to the length of the oxidizing layer for each time. Each time air and oxygen flow is increased or decreased, the circulation position of the oxidizing layer changes by a distance less than or equal to the length of the oxidizing layer. When the air and oxygen flow is increased, or the saturation temperature is decreased, or the air and oxygen flow is decreased, or the saturation temperature is increased, the circulation position of the oxidizing layer changes and is synchronous with circulation of the oxidizing layer; when the saturation temperature is decreased, discharged steam flow is increased; and when the saturation temperature is increased, the discharged steam flow is decreased. The saturation temperature determining and adjusting method has the advantages of high gasification efficiency, small fluctuation, reduced labor intensity and long service life of a furnace grate.

Description

technical field [0001] The invention relates to a method for producing coal gas. Background technique [0002] At present, the determination of saturation temperature is based on coal particle size, moisture content, ash content, ash melting point, and long-term operation. There is no intuitive and unified standard. There is no upper limit for one-time adjustment of saturation temperature, or if it is incorrect, the adjustment time is uncertain, the gasification efficiency fluctuates greatly, and it is easy to slagging and burn out the grate. Contents of the invention [0003] In order to solve the above problems, the present invention provides a method for determining and adjusting the saturation temperature according to the circulation position of the oxide layer. [0004] In order to achieve the above object, the present invention provides a method for determining and adjusting the saturation temperature, the saturation temperature is 50-65°C, and the steam pressure is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/00C10J3/16
Inventor 王万利
Owner 王万利
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