Characteristics of gas emission and control-measure of the fully-mechanized coal face

This paper presents a fully mechanized coal face of the Kailuan Fangezhuang Coal Mine 3251^N in the process of recovery of gas out of the abnormal situation, and triggered gas emission larger cause of the analysis, and to take effective control measures to address the upper corner on the problem of the accumulation of gas, For low-gas coal mine safety of fully mechanized coal face of high gas emission through the provision of the unusual ideas and methods.