新陆煤矿大倾角煤层的开采实践  

Mining Practice in Big Inclined Angle Coal Seam in Xinlu Coal Mine

作　　者：于龙先 

机构地区：[1]鹤岗矿业集团公司新陆煤矿,黑龙江鹤岗154100

出　　处：《煤炭技术》2007年第5期60-61,共2页Coal Technology

摘　　要：鹤岗矿业集团公司新陆煤矿不断探讨π型钢放顶煤技术及工艺,经过多年的探索实现了30°以上工作面π型钢放顶煤,并在-275南11层中央大巷煤柱中进行大倾角煤层π型钢放顶煤开采取得了成功。The technology and craft of π type steel caving coal are continuously discussed in Xinlu Coal Mine of Hegang Mining Industry Group comp. The π type steel caving coal is realized in the face of 30° and upwards. The π type steel caving mining is successful in the big angle coal seam, in the central tunnel pillars of - 275 south No. 11 layer.

关 键 词：大倾角煤层 Π型钢 放顶煤 

分 类 号：TD823[矿业工程—煤矿开采]