软分层水力冲孔掏煤防突技术试验研究  

Research on Technology of Hydraulic Coal Cutting Soft Coal for Coal Seam with Soft Layers

作　　者：吴晋军 李定启[2] WU Jinjun;LI Dingqi(Jingcheng Coal Business Unit,Jincheng Anthracite Mining Group Co.,Ltd.,Jincheng 048000,China;Henan Polytechnic University,Jiaozuo 454000,China)

机构地区：[1]山西晋能控股煤业集团晋城煤炭事业部,山西晋城048000 [2]河南理工大学,河南焦作454000

出　　处：《煤》2023年第1期19-21,82,共4页Coal

基　　金：国家自然科学基金(51404094);山西省煤层气联合基金(2012012010)。

摘　　要：为了消除煤层突出危险,增加煤层的透气性,提高瓦斯抽采效率,对胡底煤矿1305底抽巷进行软分层水力冲孔掏煤试验,考察冲出煤量和区域消突效果,并进行了对比分析。试验结果表明,软分层水力冲孔掏煤技术可行,能有效消除煤层突出危险,增加煤层透气性,提高瓦斯抽采效率,实现工作面安全快速掘进和回采。In order to eliminate the risk of coal seam outburst,increase the permeability of coal seam and improve the efficiency of gas extraction,a soft stratified hydraulic punching coal cutting test was carried out in 1305 bottom drainage roadway of Hudi Coal Mine to investigate the amount of coal rushed out and the effect of regional outburst elimination,and a comparative analysis was made.The test results show that the soft stratified hydraulic punching coal cutting technology is feasible,can effectively eliminate the coal seam outburst risk,increase the permeability of coal seam,improve the efficiency of gas extraction,and realize the safe and fast excavation and stoping of working face.

关 键 词：煤与瓦斯突出 软分层水力冲孔掏煤 消突 瓦斯抽采 

分 类 号：TD712.6[矿业工程—矿井通风与安全]