Introduces that Tunlan coal mine belong to high gas mine,the gas pour is larger in coal face,"U+L" type two intake one return is adopted in fully machanized coal face and the tail roadway is extracted gas, double tunneling,all-negative pressure draught is used in tunneling coal face,to prevent and control effectively gas,ensure the safety production.
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The underground blasting supplies magazine is one of the important facilities, to ensure the safety production of underground mine.
井下爆炸材料库是矿井安全生产的重要保障设施之一。
The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production.
风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场，将处于流场范围内的气体及粉尘严密封闭起来，使安全生产得到保障。
Everyone in the use of biomass boiler when a certain amount of attention to detail, so as to ensure the safety of production.
大家在使用生物质锅炉时候一定的多的注意细节，这样才能确保生产的安全。
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