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by 李勇
中国高新区, ISSN 1671-4113, 2017, Issue 24, pp. 28 - 28
根据我矿采煤工作面原有的瓦斯抽放方式,进行了进一步研究改进,改变瓦斯抽放管路的连接方式,取消了法兰盘连接,改为插口连接和大螺距圆锥梯形螺纹快速连接方式。法兰盘连接方式的平埋抽放管在工作面采空区顶板冒落掩埋后无法回收利用。改为插口连接后,可在顶板冒落后利用回柱绞车将平埋管拉拔出来继续使用,避免了大量管材的浪费。 
瓦斯抽放;连接方式;冒落掩埋
Journal Article
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