China is rich in coal resources,ensuring the safe and efficient mining of coal is a key concern of coal mining enterprises.Firstly,the characteristics of underground coal mining technology in China were analyzed according to the current situation;then,the problems existing in underground coal mining technology were discussed deeply,including the low coal recovery rate,the high risk of geological disaster and the serious problem of surface subsidence;finally,some countermeasures were put forward to solve these problems,mainly adopting intelligent coal mining technology,accelerating the research and development of filling materials and geological disaster prediction,in order to provide certain technical references for the safe and efficient mining of coal resources.
关键词
煤矿开采/采煤技术/安全高效开采
Key words
coal mining/coal mining technology/safe and efficient mining
维普
万方数据