摘要
探讨了保护层工作面抽放巷的布置层位,对几种布置方式进行了分析比较,指出了各自的优缺点,并给出了抽放巷层位选择的原则。
In this paper,the arrangement of CBM extraction drifts in protective seam in terms of their layers are discussed and a comparative analysis is carried out on several arrangement modes.At the same time,advantages and disadvantages of different arrangements are presented.This paper concludes with the provision of principles of selecting layer positions for CBM extraction drifts.
出处
《中国煤炭》
北大核心
2010年第5期67-70,共4页
China Coal
关键词
瓦斯抽放
工作面瓦斯
保护层
抽放巷道
层位
CBM extraction
CBM at face
protective seam
extraction drift
seam position
