瓦斯抽放技术的综合利用

鸡西矿业集团公司东海煤矿三采区采煤工作面是一个高瓦斯工作面,煤层中瓦斯含量较高,本煤层上部岩石岩性较复杂,在施工钻孔和钻孔的维护方面有一定的难度,针对此类顶板,为保证有效抽放量,在钻孔的施工质量方面有很多特殊要求。文中介绍了钻孔和抽放在采面瓦斯治理方面的综合利用。

Comprehensive Utilization of Gas Drainage Technology

The coal face of the third mining area of Donghai Coal Mine,Jixi Mining Industry Group Comp.is a high gas working face,the gas content of the coal seam is high,in this coal seam,the up per rock lithological character is complex,so,it has a certain difficulty in the construction of holing and maintenance,in view of this kind of roof,for ensuring the amount of drainage effectively,has some special requests in the holing quality,therefore,the paper introduces the comprehensive utilization of holing and drainage in the gas government.