论文部分内容阅读
本文主要介绍采用双密闭硐室与双调压窗灭火法扑灭掘进工作面巷道高顶处的自然发火情况。该掘进头发火的火势很大,采用多种灭火方法均告失败,后来采用了双密闭硐室与双风窗调压法扑灭了这场难度很大、情况复杂的矿井火灾。保住了火区内价值40多万元的钢材支架、设备和材料等,受火灾影响而呆滞的10多万吨原煤亦可采出,收到了很好的经济效果。
This paper introduces the use of double airtight chamber and dual pressure regulating fire extinguishing tunnel roadway tunnel at the top of the natural fire situation. The driving head of the fire was very hot, using a variety of fire extinguishing methods have failed, and later the use of double airtight chamber and double window regulator to put out this difficult, complex situation of the mine fire. It has saved more than 400,000 yuan worth of steel brackets, equipment and materials in the fire area. Over 100,000 tons of raw coal, dull by the fire, can also be recovered and received good economic results.