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上隅角瓦斯超限问题严重影响着采煤工作面的安全和产量,结合谢一矿5121(5)工作面的具体开采条件,提出了采用“Y”型下行通风的工作面通风方式,较好地解决了上隅角瓦斯超限问题,保证了工作面的安全回采。
The problem of gas overrun in the upper corner seriously affects the safety and output of coal mining face. Combined with the specific mining conditions of 5121 (5) working face of Xieyi Coal Mine, the ventilation method of face with “Y” type downward ventilation is proposed , A better solution to the upper corner of the gas over-limit to ensure the safe mining face.