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结合月亮田煤矿131216工作面的实际情况分析了上隅角瓦斯超限的原因。简要介绍了留管抽放技术的应用,并通过计算机仿真模拟与实测结果分析验证留管抽放的实际应用效果。
Combined with the actual situation of 131216 working face in the coal mine of Lianglidatian, the reasons for gas overrun in upper corner are analyzed. The application of gas storage and drainage technology is briefly introduced. The practical application of gas drainage by pipelines is verified by computer simulation and analysis.