The Source Analysis of Abnormal Emission of Return Gas in 1119 Driving Face
YANG Jian-zhong
CHEN Si-xiang
Abstract：Aiming at the gas source of 1119 driving face in Linnancang Mineral company, by studying and an-alyzing, we found the relation and superposition effect of gas emission and the pressure of atmosphere, goaf gas in the overlying coal seam, fault gas, the process of coal mining, and so on.The gas density of return gas in driving face was reduced after taking effective measures, which ensures the safety of production.
Keywords：gasgoaffaultslit band
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 33-36 )