Feasibility of Upper Protective Layer Mining in Fusheng Coal Industry Co.,Ltd.
The 15#coal seam of Fusheng Coal Industry Co.,Ltd.has low permeability and high gas content,making it difficult to control gas during coal roadway excavation.The existing gas control methods are unable to meet the needs of safety production.In order to explore new coal and gas prevention and control technologies and fundamentally solve the gas problem,Fusheng Coal Industry Co.,Ltd.had decided to carry out a mining experiment for the 15#coal seam protection layer.By analyzing the stratum structure,vertical distance,roof support of the protected layer,outburst,spontaneous combustion risk and other factors of the overlying coal seams of the 15#coal seam,it is finally proposed that if Fusheng Coal Industry Co.,Ltd.adopts the upper protective layer mining method,then choosing the 13#coal seam as the protective layer is the most reasonable.
NETL
NSTL
万方数据
维普
