The paper discussed the outstanding advantages and structure of underground unsized tailings gravitational flow backfill station in Jintingling Mining Industry Co.

• 详述了招远市金亭岭矿业有限公司井下全尾砂自流型充填站的突出优点和设计结构,并与建设地表充填站在建设费用、运营费用方面进行了对比。