复杂裂隙易自燃煤层综合防灭火技术应用
发布时间：2018-12-31 10:20
【摘要】：为解决大北矿102工作面裂隙发育煤层自然发火的难题,分析了该工作面自然发火的原因,并提出了"一通,二注,三监测"综合防灭火技术;采用该技术后,煤壁与巷内空气温差0.3℃~1.4℃,采空区CO浓度3×10~(-6)~16×10~(-6),远远低于CO预警临界浓度1×10~(-4),有效解决了102工作面煤体自然发火的难题。
[Abstract]:In order to solve the problem of spontaneous combustion of coal seam in No. 102 face of Dabei Coal Mine, this paper analyzes the reason of spontaneous combustion in this working face, and puts forward the comprehensive fire prevention and fire extinguishing technology of "one pass, two injection and three monitoring". With this technology, the air temperature difference between coal wall and roadway is 0.3 鈩，
本文编号：2396436
[Abstract]:In order to solve the problem of spontaneous combustion of coal seam in No. 102 face of Dabei Coal Mine, this paper analyzes the reason of spontaneous combustion in this working face, and puts forward the comprehensive fire prevention and fire extinguishing technology of "one pass, two injection and three monitoring". With this technology, the air temperature difference between coal wall and roadway is 0.3 鈩，
本文编号：2396436
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