易发火特厚煤层π型钢放顶煤防火技术

Fire-prevention technology of π type steel roof caving coal in fire ignition thick seam

针对矿井发火严重的现实 ,特别是采用π型钢放顶煤这一采煤方法 ,更增加了防火难度。该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火的措施 ,为集团公司防治煤层自燃发火工作闯出了一条可行之路。

Direct to the serious situation of mine fire,specially mining with π type steel roof caving coal, increase the difficulty of fire prevention.This mine provides a series of fire prevention measures for preventing coal seam fire ignition.