| 本煤层瓦斯抽采钻孔带压封孔技术研究 |
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| 引用本文： | 黄鑫业,蒋承林.本煤层瓦斯抽采钻孔带压封孔技术研究[J].煤炭科学技术,2011,39(10):45-48. |
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| 作者姓名： | 黄鑫业 蒋承林 |
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| 作者单位： | 中国矿业大学安全工程学院,江苏徐州,221008 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)资助项目(2006CB202204-3) |
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| 摘 要： | 针对平煤集团十矿本煤层瓦斯抽采浓度偏低、钻孔有效抽放周期短的技术难题,在分析煤体特征的基础上,结合现有注浆工艺技术,提出了带压封孔的技术方法。阐述了带压封孔的基本原理,通过理论分析,确定了带压封孔工艺技术参数,3个月的工业性试验结果表明：应用带压封孔技术可提高本煤层瓦斯抽放浓度30%～55%,并可延长抽采钻孔的有效抽采时间40 d左右。
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| 关 键 词： | 本煤层 瓦斯抽放 抽放孔 带压封孔 水泥浆 |
Study on Borehole Pressurized Sealing Technology for Gas Drainage Borehole in Mining Seam |
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| HUANG Xin-ye,JIANG Cheng-lin.Study on Borehole Pressurized Sealing Technology for Gas Drainage Borehole in Mining Seam[J].Coal Science and Technology,2011,39(10):45-48. |
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| Authors: | HUANG Xin-ye JIANG Cheng-lin |
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| Affiliation: | HUANG Xin-ye,JIANG Cheng-lin(School of Safety Engineering,China University of Mining and Technology,Xuzhou 221008,China) |
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| Abstract: | According to the technical problems of the low gas content in the gas drainage and the borehole short effective drainage period in the mining seam of No.10 Mine in Pingdingshan Coal Mining Group,based on the analysis on the coal features,in combination with the available grouting technology,a technical method of the borehole pressurized sealing was provided.The paper stated the basic principle of the borehole pressurized sealing.With the theoretical analysis,the technical parameters of the borehole pressuri... |
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| Keywords: | mining seam gas drainage drainage borehole borehole pressurized sealing cement grout |
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