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针对24202综采工作面原有的“U+L”型通风方式所存在的瓦斯问题,在胶带巷进行沿空留巷,形成简易的“Y”型通风方式,从而彻底解决了工作面上隅角瓦斯超限与回风流中瓦斯积聚以及采空区回风横贯和尾巷中高瓦斯积聚等问题。
In view of the gas problem existing in the original “U + L” type ventilation mode of 24202 fully mechanized coal mining face, gob-side entry retaining roadway is carried out to form a simple “Y ” type ventilation mode, so as to completely solve the problem Methane overrun in the upper corner of the working face and gas accumulation in the return air flow, as well as problems such as the return air flow in the goaf and the accumulation of high gas in the tail lane.