π放工作面开采易燃煤层防火技术  

Fire Prevention Technology of Mining Inflammable Coal Seam at π Type Caving Coal Face

作　　者：郭仕全 郭喜伏 

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9期74-75,共2页Coal Technology

摘　　要：系统地论述了-256北扩区18-2层274π放工作面防火工作方法,以及跨跃火区开采的全过程,总结出防治π放工作面发火的一系列技术措施。The fire prevention methods of No.274 7r type caving coal face, No. 18 -2 layer, -256 north expanding area, are systematically disscussed. All mining process across fire area is also discussed. A series of fire prevention technology measures of π type caving coal face are summed up.

关 键 词：Π放工作面 易燃煤层 防火技术 

分 类 号：TD75[矿业工程—矿井通风与安全]