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针对不易自燃煤层采煤工作面特殊时期出现的严重自燃发火隐患,通过采取综合防灭火治理技术后,使工作面及采空区的发火隐患基本消除,保证了采煤工作面的顺利回采。
In view of the serious spontaneous combustion risk appearing during the special period of coal mining face with non-spontaneous combustion coal seam, the concealment of fire in working face and gob area is basically eliminated by adopting the comprehensive fire prevention and treatment technology, which ensures the smooth mining of coal mining face.