易发火特厚煤层π放防火技术  

Technology of Fire Prevention and Extinguishing of π Type Steel Caving Coal in Spontaneous Fire and Super Thick Coal Seam

作　　者：时绍君 

机构地区：[1]鹤矿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4期68-70,共3页Coal Technology

摘　　要：针对矿井发火严重的现实(特别是利用π型钢放顶煤这一采煤方法,更增加防火难度),大陆煤矿认真吸取以往的发火教训,总结经验,采取了一系列综合防灭火的措施,为防治自燃发火工作创出了一条可行之路。Aimming at the reality of mine serious spontaneous fire in Dalu Coal Mine, the fire precept is absorbed, the experience is summed up. A series of synthesize measures of fire prevention and extinguishing are adopted. A feasibility way is created for spontaneous fire prevention.

关 键 词：Π型钢放顶煤 防灭火 易发火特厚煤层 

分 类 号：TD75[矿业工程—矿井通风与安全]