|本期目录/Table of Contents|

[1]李维光,刘虎华,李超.薄煤层采煤工作面顶板穿层钻孔瓦斯抽采试验研究[J].中国安全生产科学技术,2014,10(3):30-34.[doi:10.11731/j.issn.1673-193x.2014.03.005]
　LI Wei\|guang,LIU Hu\|hua,LI Chao.Experimental study on roof\|crossing borehole gas drainage method in thin coal seams with long wall coalface[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(3):30-34.[doi:10.11731/j.issn.1673-193x.2014.03.005]
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薄煤层采煤工作面顶板穿层钻孔瓦斯抽采试验研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
10
期数:
2014年3期
页码:
30-34
栏目:
学术论著
出版日期:
2014-03-28

文章信息/Info

Title:
Experimental study on roof\|crossing borehole gas drainage method in thin coal seams with long wall coalface
作者:
李维光1; 2; 刘虎华2; 李超1
（1四川师范大学 工学院，四川成都601010；2 西南科技大学 资源与环境学院，四川绵阳621010）
Author(s):
LI Wei\|guang1; 2;  LIU Hu\|hua2;  LI Chao1
（1College of Technology Sichuan Normal University, Chengdu Sichuan 601010, China; （2College of Environment and Resources Southwest University of Science and Technology, Mianyang Sichuan 621010, China）
关键词:
薄煤层; 卸压瓦斯; 顶板穿层瓦斯抽采方法; 抽采参数
Keywords:
thin coal seam;  pressurerelieved gas;  roofcrossing gas drainage method;  drainage parameters
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2014.03.005
文献标志码:
A
摘要:
以凤凰煤矿1402采煤工作面为工程应用背景，针对煤层薄、瓦斯含量高、透气性差、地质条件差的特点，运用岩层移动理论，研究了采煤工作面采空区大流量、高浓度卸压瓦斯的运移路径和富集区域；借鉴了邻近煤矿瓦斯抽采经验，选择顶板穿层钻孔瓦斯抽采方法作为主要矿井瓦斯抽采方法之一，试验了该方法的合理瓦斯抽采参数；提高了采煤工作面瓦斯抽采率，消除了采煤工作面瓦斯积聚现象
Abstract:
Based on the characteristics of highly gassy thin seam and poor gas permeability in Feng Huang Coalmine 1402 coalface, the migration paths and abundant region of pressurerelieved gas with largeflow and highconcentration in gob were studied by means of strata displacement theory as well as gas movement regularity of gob. Experience of adjacent coal mines gas drainage method was used for reference, the roofcrossing borehole drainage method was chosen as one of main gas drainage methods. The gas drainage parameters were designed and successfully tested. The gas drainage efficiency was improved, and the phenomenon of gasoverlimit was eliminated. The roofcrossing borehole drainage method was suitable in Feng Huang coalmine.

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2014-03-30