摘要
通过分析正珠煤业1511综放工作面瓦斯来源并结合采空区冒落带、裂隙带高度,采用高、低双层位钻孔布置抽采,并进行了抽采效果分析。
Based on the analysis of gas source and the height of caving zone and fractured zone at No.1511 fully mechanized caving face of Zhengzhu Coal Industry,the high and low double horizon drillings for gas extraction is adopted.Finally,extraction results are examined and analyzed.
出处
《煤矿安全》
CAS
北大核心
2013年第4期78-80,共3页
Safety in Coal Mines
关键词
采空区
高位钻场
双层位钻孔
瓦斯抽采
goaf
high location drilling field
double horizon drilling
gas extraction
