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针对河南平宝煤业有限公司的地质条件,对采空区瓦斯涌出量进行了预测,提出了低位巷大孔径穿层钻孔治理采空区瓦斯的措施。有效地治理了采空区瓦斯涌出造成上隅角瓦斯超限的问题。
According to the geological conditions of Henan Pingbao Coal Industry Co., Ltd., The amount of gas emission from goaf was predicted. The measures to control the gas in goaf by large borehole through borehole in lower level were put forward. Effectively control the gob gas emission caused by the upper corner of the gas over-limit problem.