布尔台煤矿42煤层自然发火规律及防治技术研究

doi:10.11799/ce201508023

Abstract

Abstract: In order to grasp the spontaneous combustion laws of 42 coal seam in Buertai Coal Mine. CO can be used as the index gas of 42 coal seam for early prediction of spontaneous combustion. The measurement of spontaneous combustion "three zones" of goaf for 42103 fully mechanized coal face was applied. The ranges of the oxidizing band of coal spontaneous combustion of 42 coal seam are 37-136 m for intake airways and 18-115 m for retrurn airways from working face to deep of goaf based on the standard of critical concentration of O2. According to the results of spontaneous combustion dangerous area analysis in the goaf, the paper put forward the pertinence measures for 42 coal seam in different exploitation periods.

Key words: goaf, coal spontaneous combustion, "three zones", fire prevention measures

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TD75

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URL: http://www.coale.com.cn/EN/10.11799/ce201508023

http://www.coale.com.cn/EN/Y2015/V47/I8/68

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Research on the Law of Spontaneous Combustion and Control Technology of 42 Coal Seam from Buertai Coal Mine

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