| 基于水力割缝的高瓦斯厚煤层快速掘进保障技术研究 |
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| 引用本文： | 李江龙,史红邈,朱传杰,王志坚,张超,张咏斌,华明国,叶川.基于水力割缝的高瓦斯厚煤层快速掘进保障技术研究[J].煤炭科技,2019(2):114-117. |
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| 作者姓名： | 李江龙 史红邈 朱传杰 王志坚 张超 张咏斌 华明国 叶川 |
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| 作者单位： | 山西潞安集团余吾煤矿有限责任公司;中国矿业大学安全工程学院;西安科技大学安全科学与工程学院 |
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| 摘 要： | 针对山西潞安集团余吾煤矿3煤掘进期间瓦斯涌出高,造成巷道掘进速度难以提升的问题,采用高压水射流割缝技术进行快速卸压增透,现场试验发现,割缝孔抽采瓦斯浓度最低达到71. 2%,最高达到93%左右,割缝孔的瓦斯浓度大部分时间高于同组对比的普通钻孔,提高了煤体中瓦斯的抽采效率,为高瓦斯厚煤层巷道的快速掘进提供了技术保障。
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| 关 键 词： | 高瓦斯厚煤层 水力割缝 卸压增透 瓦斯抽采量 瓦斯抽采浓度 |
Research on Support Technology of Rapid Driving in High Gas Thick Coal Seam Based on Hydraulic Cutting |
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| LI Jiang-long,SHI Hong-miao,ZHU Chuan-jie,WANG Zhi-jian,ZHANG Chao,ZHANG Yong-bin,HUA Ming-guo,YE Chuan.Research on Support Technology of Rapid Driving in High Gas Thick Coal Seam Based on Hydraulic Cutting[J].Coal Science & Technology Magazine,2019(2):114-117. |
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| Authors: | LI Jiang-long SHI Hong-miao ZHU Chuan-jie WANG Zhi-jian ZHANG Chao ZHANG Yong-bin HUA Ming-guo YE Chuan |
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| Affiliation: | (Yuwu Coal Mine,Shanxi Luan Group Co.,Ltd.,Changzhi,Shanxi,046100;School of Safety Engineering,China University of Mining and Technology,Xuzhou,Jiangsu,221116;School of Safety Science and Engineering,Xi'an University of Science and Technology,Xi'an ,Shanxi ,710054) |
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| Abstract: | LI Jiang-long;SHI Hong-miao;ZHU Chuan-jie;WANG Zhi-jian;ZHANG Chao;ZHANG Yong-bin;HUA Ming-guo;YE Chuan(Yuwu Coal Mine,Shanxi Luan Group Co.,Ltd.,Changzhi,Shanxi,046100;School of Safety Engineering,China University of Mining and Technology,Xuzhou,Jiangsu,221116;School of Safety Science and Engineering,Xi'an University of Science and Technology,Xi'an ,Shanxi ,710054) |
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| Keywords: | high gas thick seam hydraulic cutting pressure relief and permeability improvement gas extraction quantity gas extraction concentration |
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