论文部分内容阅读
山东里能里彦矿业有限公司是一座设计产能为60万 t/a 的中型矿井,采用主井开拓方式,矿井位于兖州煤田西南部,主采煤层为3层煤。现正回采的3_下402工作面布置为长臂式轻型支架综放工作面。
Shandong Linengli Mining Co., Ltd. is a medium-sized mine designed with a capacity of 600,000 t / a. The main shaft is exploited. The mine is located in the southwest of Yanzhou Coalfield. The main coal seam is 3-layer coal. The 3_ under 402 mining face now being mined is a long-arm light-weight fully mechanized caving mining face.