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| Influence factors and emission prediction of gas occurrence in No. 9 coal seam of Qinglong Coal Mine |
| Feng Yutao |
| Jizhong Inner Mongolia Company Shengxin Coal Industry Co., Ltd, Ordos 017000， China |
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Abstract Gas is an important factor affecting coal mine safety production. Taking Qinglong Coal Mine as the engineering background, this paper analyzes the influencing factors of gas occurrence in No. 9 coal seam combined with mine geological data. The buried depth of coal seam and fault structure are the main factors affecting gas occurrence. The gas occurrence regularity of No. 9 coal seam is obtained according to the gas measurement results of field measuring points, and the gas emission is predicted when No. 9 coal seam is mined, which can provide basic data for mining planning and gas prevention in Qinglong Coal Mine.
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