摘要
本文依据彬县下沟煤矿钻孔瓦斯资料和生产工作面瓦斯涌出量资料,对该矿瓦斯赋存情况和涌出特征进行分析研究,初步揭示了矿井瓦斯分布规律,分析了工作面瓦斯涌出量变化的原因,并结合矿井瓦斯特征和开采方法提出了瓦斯防治措施。
The paper, based on drilling gas data and data of gas emission of forefield in Xiagou coal mine in Binxian county, analyzes and studies its gas occurrence characteristics and gas emission. The distribution law of coal mine gas is preliminarily revealed. The cause of gas emission is analyzed. Prevention measures is put forward according to the occurrence characteristics and mining methods.
关键词
矿井瓦斯
赋存特征
瓦斯涌出
瓦斯防治
mine gas
occurrence characteristics
gas emission
gas prevention