正确选择矿井开拓和采矿方法,制定合理的通风制度,密闭采空区或局部充填隔离,是预防矿井内因火灾的有效方法。现分述如下。 一、正确选择开拓和采矿方法 无论开采薄煤层、厚煤层或者急倾斜煤层、缓倾斜煤层,都以采用石门、脉外巷道或公用脉外巷道方式为好。用这种方式,可以少留 Correct choice of mine development and mining methods, the development of a reasonable ventilation system, closed mined-out area or partial filling isolation is an effective way to prevent internal fires in mines. Now is as follows. First, the correct choice of exploration and mining methods No matter the exploitation of thin coal seam, thick seam or steep seam, gently inclined seam, are to use Shimen, veins outside the road or public veins outside the tunnel as well. In this way, you can stay less