坚硬顶板特厚煤层预爆破放顶采煤试验  

A Roof-Coal-Discharging Test Mining by Predetonation in Super High Seam

作　　者：王星亮[1] 

机构地区：[1]山西矿业职业技术学院,山西大同037003

出　　处：《徐州建筑职业技术学院学报》2001年第3期16-18,共3页Journal of XUZHOU Institute of Architectural Technology

摘　　要：忻州窑矿 891 6工作面为坚硬特厚煤层 ,其顶板为坚硬岩层 ,采用中巷预爆的方法及优化参数后的放顶煤采煤法 ,控制了煤的块度 ,提高了煤炭回收率 。The coal at working face No. 8916 of Xinzhouyao Colliery is in super high seams of relatively high hardness,with a solid roof on top.When middle roadway predenotation and optimizedly parametered roof coal discharging were adopted,the lumpiness was controlled,the coal recovery efficiency raised,and the pressure on the working face reduced.

关 键 词：坚硬顶板 坚硬特厚煤层 中巷预爆法 参数优化 放顶煤采煤法 采煤方法 

分 类 号：TD823.85[矿业工程—煤矿开采] TD823.254[矿业工程—矿山开采]