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寺河矿二号井利用高位孔即顶板走向孔安装移动抽放泵抽放邻近层瓦斯,治理了工作面上隅角瓦斯超限,有效的保证了9#煤工作面安全生产,为保证产量提供有力保障。
The No. 2 well in Sihe Mine utilizes the high-level hole that is the top hole of the roof to install a movable drainage pump for draining the gas in the adjacent layer to control the gas overrun in the upper corner of the working face, effectively ensuring the safety of 9 # coal face. In order to ensure the output Provide a strong guarantee.