采动条件下煤层群瓦斯预抽技术  

Pre-drainage Technolog of Mining Coal Seams Gas under the Conditions of Mining Moving

作　　者：张德栋[1] 

机构地区：[1]辽源职业技术学院,吉林辽源136201

出　　处：《山东煤炭科技》2008年第5期159-160,共2页Shandong Coal Science and Technology

摘　　要：我国多数煤矿属于高瓦斯煤层群开采,瓦斯成为威胁矿井安全生产的主要灾害之一,只有采取适当的方法对煤层群的瓦斯进行先期的有效预抽,才能够实现煤炭安全高效开采,该文主要介绍了采动条件下煤层群瓦斯预抽放技术。The majority of our coal seam group of high gas mining, gas into one of the major disasters of the mine production safety , only to take appropriate way to predrain the coal group seam gas ,it was possihle to achieve safe and efficient coal mining,the paper introduces Under the conditions of the mining seam gas group pre- drainage technology.

关 键 词：煤层群 瓦斯 抽放 卸压煤层 

分 类 号：TD712.6[矿业工程—矿井通风与安全]