The green mining of coal resource

摘要

This paper put forward the concept of green mining of coal mine, expounds the connotation and technique system of it. The theoretical basis of green mining is that the law of after mining the key strata in movement formed abscission layer and joint fractures, the seepage rule of the gas and groundwater in broken rock. The main contents of green mining technology include: water mining, mining under buildings and abscission layer grouting reduce sink, strip and filling mining, simultaneous mining of coal and gas, the underground processing of roadway supporting and part of coal gangue, underground gasification, etc.