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Coal underground gasification combustion space area mapping system and mapping method thereof

A technology of underground gasification and burn-out area, which is applied in the directions of measurement, earthwork drilling, wellbore/well components, etc., and can solve the problems of long time consumption and inconvenient operation

Pending Publication Date: 2017-12-12
XINJIANG GUOLIHENG CLEAN ENERGY TECH CO LTD
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Problems solved by technology

This method needs to inject the blowing agent composition raw material into the burn-out zone, which takes a long time and is inconvenient to operate

Method used

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  • Coal underground gasification combustion space area mapping system and mapping method thereof
  • Coal underground gasification combustion space area mapping system and mapping method thereof

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or terminal equipment comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements identified, or also include elements inherent in such a process, method, article, or end-equipment. ...

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Abstract

The invention discloses a coal underground gasification combustion space area mapping system and a mapping method thereof and belongs to the technical field of mine surveying and mapping. According to the coal underground gasification combustion space area mapping system and the mapping method thereof, a driving device is utilized to push a 3D laser scanner, a dual camera sensor and an industrial endoscope into combustion space areas through vertical holes, the combustion space area near each vertical hole are scanned through laser, laser collection, data transmission of an industrial switch and imaging of a graphic workstation are performed through the dual camera sensor, so that the mapping of internal shapes of the combustion space areas is completed, actual shapes of the combustion space areas inside a coal seam are learnt about visually, various technical parameters of a well drilling type underground coal gasification technology are checked, and theoretical support is provided for stability and continuity in the underground coal gasification process.

Description

technical field [0001] The invention relates to the technical field of underground mineral deposit surveying and mapping, in particular to a surveying and mapping system and a surveying and mapping method for an underground coal gasification burn-out area. Background technique [0002] Underground coal gasification technology integrates the three major processes of well construction, coal mining and surface gasification. It directly burns underground coal in a controlled manner to obtain combustible gas. Underground coal gasification technology transforms traditional coal mining into chemical coal mining, eliminating the need for huge coal mining, transportation, washing, gasification and other processes and equipment, and has the advantages of good safety, low investment, high efficiency, and less pollution. advantage. [0003] The drilling-type underground coal gasification process occurs in the in-situ coal seam. Due to the influence of environmental factors such as buri...

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Application Information

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IPC IPC(8): G01C11/02E21B47/00
CPCE21B47/00G01C11/02
Inventor 徐斌杜慧华徐军
Owner XINJIANG GUOLIHENG CLEAN ENERGY TECH CO LTD
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