郑煤集团告成煤矿是一座设计产能为90万 t/a的中型矿井,生产的13采区位于井田北翼,接替的21采区位于北翼-110m 运输大巷的下方。每天井下出勤在900人左右,人员上、下班都要从井底车场巷道北翼的重车线经过,原来的井底候罐室巷道布置及人员上、下班路线如图1所示。 Zhengcheng Coal Group Chengcheng Coal Mine is a medium-sized mine designed with a production capacity of 900,000 t / a. The 13 mining area is located in the north wing of the minefield, and the succeeding 21 mining area is located below the -110m transport lane in the north wing. Downhole attendance at about 900 people a day, staff, work from the bottom of the tunnel at the north wing of the roadway through the heavy car line, the original underground tank and roadway layout and personnel on the way to get off work shown in Figure 1.