Industrial fuel gas production system and method

An industrial gas and production system technology, applied in coal gasification, earthwork drilling, wellbore/well components, etc., can solve problems such as difficult to achieve industrial application and low calorific value of gas, achieve environmental protection, increase gas calorific value, The effect of reducing emissions

Pending Publication Date: 2017-04-26
徐斌
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  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention proposes an industrial gas production system and method, aiming to so

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  • Industrial fuel gas production system and method
  • Industrial fuel gas production system and method
  • Industrial fuel gas production system and method

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[0031] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0032] System embodiment:

[0033] see figure 1 , the figure shows the preferred structure of the industrial gas production system provided by the embodimen...

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Abstract

The invention provides an industrial fuel gas production system and method. The system comprises a transmission and distribution unit and a decarburization unit. A gas outlet of the transmission and distribution unit is used for communicating with a gas inlet of an underground coal gasification system. The transmission and distribution unit is used for preparing a gasifying agent and transmitting the gasifying agent to the underground coal gasification system. The gasifying agent contains oxygen with the preset concentration. A gas inlet of the decarburization unit is used for communicating with a gas outlet of the underground coal gasification system. The decarburization unit is used for receiving gas output by the underground coal gasification system and removing carbon dioxide with the preset concentration in the gas. According to the industrial fuel gas production system, the gasification agent containing the oxygen with the preset concentration is used for gasifying a coal seam, and the heat value of coal gas can be increased; the purpose of further increasing the heat value of the coal gas is achieved by removing the carbon dioxide in the coal gas through the decarburization unit; and meanwhile, the emission load of carbon dioxide in the combustion process of the coal gas is decreased, and accordingly the environment is protected.

Description

technical field [0001] The invention relates to the technical field of underground coal gasification, in particular to an industrial gas production system and method. Background technique [0002] Underground coal gasification is an efficient and clean energy technology that integrates green coal mining and clean transformation. Specifically, it is not only a chemical coal mining method that converts solids into fluid gas in situ through combustion thermochemical action; it is also a new clean coal technology that controls the long pollution chain in the process of coal mining and conversion from the source; it is also a large-scale, A low-cost, environmentally friendly high-tech technology for underground coal-water gas production. [0003] Underground coal gasification technology can be used to produce air gas, water gas, semi-water gas and synthesis gas, etc., which can be applied to process industries such as IGCC power generation, industrial / civil gas, synthetic methan...

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Application Information

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IPC IPC(8): E21B43/295E21B43/34
CPCE21B43/295E21B43/34Y02P20/129
Inventor 张树川徐斌郑林杜慧华徐军
Owner 徐斌
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