The Safety Guarantee Technology of Extra-thick Coal Seam Mining in Tashan Coal Mine

AbstractIn recent years, a series of gas and spontaneous fire prevention technologies are summarized by Tashan coal mine of Datong Coal Mine Group CO.,LTD, which are suitable for extra-thick coal seam mining of carboniferous period through collaborative investigation of industry-university-institute and engineering practice. These technologies provide safety guarantee for the high efficient mining of extra-thick coal seam of permo-carboniferous in Tashan coal mine