【摘要】 通过鹤岗矿区南山煤矿抽采瓦斯示范性研究,获得了煤与瓦斯突出、厚煤层群无保护层开采条件下的保护层开采与瓦斯预抽防突的适用技术。该项技术不仅适用于该煤层赋存条件与开采条件下的鹤岗矿区高突矿井,对类似开采条件的其它高突矿井,也具有一定适用性和参考价值。更多还原

【Abstract】 This paper issued the available technology to mining protective seam in thick coal seam group with risk of methane and coal outburst in the condition without protective seam,through the demonstration research on coal methane extraction in Nanshan Mine,Hegang Coal Industry Group Comp.,it not only is used in Hegang Coal Industry Group’s mines with the same mining conditions and high risk of coal methane and coal outburst but also available for other mines with high risk of methane and coal outburst with the mining conditions like in Nanshan Mine,and it is referenced for them.更多还原