地下水渗流导致巷道掘进工作面突水或成巷段支护失效的灾害在煤矿时有发生。
Water inrush in working face and support failure of the driven roadway caused by underground seepage occur from time to time.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
在综采放顶煤工作面顺槽掘进过程中，由于顺槽煤层顶板松动破碎，并且顺槽采用矩形断面，顶板跨距较大，不利于巷道支护。
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
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