| 1302工作面瓦斯抽采水力造穴增透技术试验 |
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| 引用本文： | 郭孝星.1302工作面瓦斯抽采水力造穴增透技术试验[J].江西煤炭科技,2020(1):92-93,99. |
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| 作者姓名： | 郭孝星 |
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| 作者单位： | 潞安集团慈林山煤业有限公司李村煤矿,山西 长治 046100 |
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| 摘 要： | 基于李村煤矿煤层结构复杂、煤层松软、透气性低,存在本煤层瓦斯抽采效率低、难度大等问题,在1302 X作面进行了水力造穴增透技术试验。效果分析表明,采用水力造穴增透技术的单孔瓦斯抽采纯量是普通单孔的7.38倍。
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| 关 键 词： | 低透气性煤层 瓦斯抽采 水力造穴增透技术 效果分析 |
Application of Air Permeability Enhancement Technology by Hydraulic Cave-making and in Gas Drainage |
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| Guo Xiaoxing.Application of Air Permeability Enhancement Technology by Hydraulic Cave-making and in Gas Drainage[J].Jiangxi Coal Science & Technology,2020(1):92-93,99. |
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| Authors: | Guo Xiaoxing |
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| Affiliation: | (Licun Colliery,Cilinshan Coal Industry Co.,Ltd.,Lu*an Group,Changzhi,Shanxi 046100) |
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| Abstract: | Aiming at the low gas drainage efficiency and difficulties due to the complicated structure,soft coal seam and low air permeability in No.3 coal seam of Licun Colliery,air permeability enhancement technology by hydraulic cave-making is introduced in gas drainage at 1306 working face,whose single-borehole net drainage volume is 7.38 times as ordinary single borehole and drainage amount per myriameter 7.64 times. |
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| Keywords: | coal seam low air permeability gas drainage air penneability enhancement technology by hydraulic cave-making effect analysis |
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