上覆采空区瓦斯抽放技术在煤层群开采中的应用  

Application of Gas Drainage Technology in Overlying Goaf in Coal Seam Group Mining

作　　者：刘洪鹏[1] Liu Hong-peng(Ventilation Department of Datong Coal Mine Group Company, Shanxi Datong 037003)

机构地区：[1]大同煤矿集团公司通风处

出　　处：《山东煤炭科技》2019年第10期86-88,91,共4页Shandong Coal Science and Technology

摘　　要：四台矿14#层8723综采工作面采用井下瓦斯抽放系统对上覆11#、12#层旧采空区的瓦斯进行密闭抽放,代替以往回采期间使用均压通风解决瓦斯超限问题,在上覆旧采空区瓦斯抽放期间对抽放参数、工作面气体参数进行实时检测,及时发现抽放过程中上覆旧采空区遗煤自然发火隐患,及时采取相应安全处理措施。The underground gas drainage system is adopted in seam 14 of the 8723 fully mechanized mining working face in Sitai Coal Mine to drain the gas from seam 11 and seam 12 of previous overlying goaf in a sealed way, instead of using equal-pressure ventilation to solve the problem of gas exceeding the limit in the past. During gas drainage in the old overlying goaf, the parameters of gas drainage and working face gas parameters are detected in real time. The hidden danger caused by spontaneous combustion of residual coal is discovered in time, and safety measures are taken immediately.

关 键 词：上覆采空区 瓦斯抽放 煤层群 

分 类 号：TD712.6[矿业工程—矿井通风与安全]