论文部分内容阅读
通过分析综放工作面上隅角瓦斯积聚的原因,结合Y型通风系统和带尾巷的U型通风系统的特点,提出了利用带尾巷的U型通风系统和风压调节技术治理上隅角瓦斯超限的方法,并以王庄煤矿5201工作面为例,说明了该方法的实际效果和存在问题。
By analyzing the reasons of gas accumulation in the upper corner of fully mechanized top coal caving face, combined with the characteristics of Y-type ventilation system and U-type ventilation system with tailrace, the U-type ventilation system with tailrace and wind pressure regulation technology are put forward to treat upper corner Gas overrun method, taking Wangzhuang Coal Mine 5201 face as an example, illustrates the actual effect and existing problems of this method.