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邢台煤矿属低沼气矿井，随着矿井开采深度的加大，西三石门２２３００采区及—４５０水平２２２０００采区的开采，使该地区的瓦斯涌出呈现增大的趋势，部分掘进工作面施工中，巷道底板瓦斯大量涌出，积水处的水柱冒高达１０ｃｍ，巷道顶板多处积聚，沼气浓度在１０％以上...
Xingtai Coal Mine is a low-methane gas mine. With the deepening of mining depth, the mining of 22300 mining area in West Third Stone Gate and 222000 mining area of -450 level has led to the increase of gas emission in this area. Some excavation face construction In the roadway floor a large number of gas gushing out of water at the water column to take up to 10cm, the roadway roof accumulated in many places, biogas concentration of 10% or more ...