【摘要】 深部矿井开采的一大难题是上隅角瓦斯积聚的治理,研究上隅角瓦斯积聚问题的治理方法对安全高效生产具有重要的意义,本文集中讨论了几种解决上隅角瓦斯积聚的方法。更多还原

【Abstract】 The control of gas accumulation in the upper corner is a difficult problem in coal deep mining.Firstly,advantages and disadvantages of these project that is proposed on the base of altering U shape ventilation system and strengthened the upper corner ventilation is analyzed.Then the control method of gas accumulation in the upper corner is summed up,which has significance for safety production.更多还原