瓦斯抽放钻孔封孔工艺改进  

Improvement of Gas Drainage Drilling Hole Sealing Process

作　　者：王超 李杰 姚显君 

机构地区：[1]河南能源化工集团鹤煤九矿,河南鹤壁458000

出　　处：《煤炭技术》2016年第5期234-235,共2页Coal Technology

摘　　要：通过对鹤煤九矿原有封孔工艺中存在的问题进行分析,针对封孔中存在的封孔剂定位、注浆量控制以及不同倾角下钻孔封孔漏气等问题,对封孔工艺进行了改进,经现场试验对比,新封孔工艺能有效地提高封孔效果。Through analyzing the No.9 coal mine＇s original hole sealing process, the problems of existed in the work of hole sealing hole sealing agent location, grouting quantity control and the different inclination of drilling hole compared with field test, a sealing leakage problems, such as the hole sealing process is improved, new hole sealing process effectively improve the effect of hole sealing.

关 键 词：瓦斯抽采 钻孔封孔 注浆 

分 类 号：TD712.6[矿业工程—矿井通风与安全]