The development of coal mine gas extraction technology were discussed.Firstly,the occurrence condition of gas and the purpose of gas extraction were introduced,and the importance of gas extraction to coal mine safety production was analyzed;secondly,the evolution of the concept of coal mine gas extraction was expounded,including local preventive measures,extraction before extraction,extraction standards and other development stages,and the index system of coal mine gas extraction was discussed;finally,the application of high-level drilling and extraction technology in coal mine gas management was introduced,and the potential of the technology in improving gas extraction efficiency and coal mine safety production was demonstrated.
关键词
瓦斯抽采/瓦斯治理/安全生产/高位钻孔/技术发展
Key words
gas extraction/gas control/safe production/high-level drilling/development of technology