Abstract:There are many more accidents of gas explosion in heading face than in other working faces. For this reason, the safety measures of the underground heading face have become particularly important. With the trend of the coal mining face becoming longer and longer, the requirements for long-distance excavation ventilation have been increasing. How to conveniently and efficiently solve the energy-saving problem of long-distance ventilation has become a hot topic. In this paper, the ventilation design scheme of th… Show more
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