| 影响煤矿钻孔瓦斯抽采浓度的因素分析 |
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| 引用本文： | 陈凯,秦汝祥. 影响煤矿钻孔瓦斯抽采浓度的因素分析[J]. 煤炭技术, 2014, 0(4): 29-31 |
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| 作者姓名： | 陈凯 秦汝祥 |
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| 作者单位： | 安徽理工大学能源与安全学院;安徽理工大学煤矿安全高效开采省部共建教育部重点实验室 |
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| 摘 要： | 根据目前钻孔抽采瓦斯浓度低的普遍现象,提出了影响钻孔瓦斯抽采3个最为重要的因素:煤层的透气性、钻孔的密封性及钻场周围地质条件。并对这3个方面进行了较为详细的研究,提出了解决问题的办法,最后结合煤矿现场实际瓦斯抽采情况来进一步验证。
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| 关 键 词： | 瓦斯浓度 透气性 密封性 地质条件 |
Factor Analysis of Influencing Borehole Gas Extraction Concentration in Coal Mine |
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| CHEN Kai;QIN Ru-xiang. Factor Analysis of Influencing Borehole Gas Extraction Concentration in Coal Mine[J]. Coal Technology, 2014, 0(4): 29-31 |
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| Authors: | CHEN Kai QIN Ru-xiang |
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| Affiliation: | CHEN Kai;QIN Ru-xiang;School of Energy and Safety,Anhui University of Science and Technology;Provice and,MOE Joint Established Key Lab of Mine safety and High Efficient Mining,Anhui University of Science and Technology; |
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| Abstract: | According to the general phenomenon of low gas concentration in the current drilling extraction,proposing three of the most important influence factors of drilling extraction: the gas permeability of coal seam,hole sealing and geological conditions around the drilling field.These three aspects are researched in detail,and putting forward the solution to these problems,finally combining with gas extraction of actual field to further verify. |
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| Keywords: | gas concentration permeability sealing geological conditions |
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