近距离煤层高位钻孔抽放瓦斯技术的应用研究  

Application and Research of High Level Borehole Gas Drainage Technology in Close Distance Coal Seam

作　　者：廉振山 

机构地区：[1]煤炭科学技术研究院有限公司安全分院,北京100013 [2]煤炭资源高效开采与洁净利用国家重点实验室(煤炭科学技术研究院有限公司),北京100013

出　　处：《煤炭技术》2016年第8期184-185,共2页Coal Technology

摘　　要：针对近距离煤层采空区邻近层瓦斯涌出量较大的问题,通过分析其运移规律,结合其采煤工艺、煤层赋存及顶板类型等情况,分析确定了高位钻孔瓦斯抽放的参数,并进行了抽放效果验证,为综采工作面瓦斯治理提供了经验。Aiming at the problem of larger gas emission from adjacent layers at close distance coal seam,by analyzing its migration rule, combined with its coal mining process, coal seam occurrence and roof type etc., analyzed and determined the high level borehole parameters, and verified the drainage effect, provided experience for the gas control of fully mechanized working face.

关 键 词：近距离煤层 高位钻孔 采空区 瓦斯抽采 

分 类 号：TD712[矿业工程—矿井通风与安全]