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bian chou bian jue chou fang ji shu zai gao wa si ban mei yan ceng jue jin zhong de ying yong
Pages: 16-18
Year: Issue:  4
Journal: Safety in Coal Mines

Keyword:  高瓦斯抽放边抽边掘钻场局部通风;
Abstract: 简要介绍了新建矿边抽边掘抽放技术在高瓦斯半煤岩层掘进中的应用情况,通过对半煤岩掘进工作面瓦斯涌出规律分析,阐述了利用巷帮走向钻孔对本煤层瓦斯进行抽放,有效地解决了局部通风的工作面及回风巷瓦斯超限问题,又加快了掘进进尺,实现了矿井安全生产。
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