在煤柱中和在现有的矿山巷道旁聚积的煤炭中所发生的火灾,占全部内因火灾的三分之一。一般,这类火灾用清除燃烧的煤炭,然后用水冷却的方法,在几个小时之内即可消除。并且发现和检查灭火过程并不复杂。 在采空区的煤炭自燃火区(占67.3％)并不能直接进行灭火工作。这种火区的灭火要同时对采区进行封闭,一般由于设备的损失和煤炭减产要造成巨大的经济损失。在 Fires occurring in coal pillars and coal accumulating along existing mine roadways account for one third of the total internal fires. In general, these types of fires are eliminated in a few hours by removing the burning coal and then cooling it with water. And to find and check the fire fighting process is not complicated. Spontaneous combustion of coal in the goaf area (67.3%) and can not be directly carried out fire fighting. The fire zone fire extinguishing at the same time on the mining area to be closed at the same time, generally due to the loss of equipment and coal production to cause enormous economic losses. in