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温和生活采矿公司是金属公司的子公司,下辖梅根矿,年产原矿100万吨;还经营沃尔法赫、德莱斯勒和云山三个重晶石-萤石矿,年产原矿均为10万吨。长期以来,这些矿山在开采工作中一般不采用充填,仅在破碎岩层条件下采用充填。近年来,国际上许多矿山使用水泥胶结充填,它既用于水砂充填,也用于风力或自重充填。胶结充填在质量上具有显著的优点:它可自身承重,在一般情况下能有效地
Mild Life The mining company is a subsidiary of Metal Corporation, under the jurisdiction of the Meagan mine, with an annual output of 1 million tons of ore; also operating Wal-Fah, Dresser and Yunshan three barite - fluorite mine, with an annual output The ore is 100,000 tons. For a long time, these mines generally do not use filling in the mining work, and only fill in the condition of broken rock. In recent years, many mines in the world use cement cementation filling, which is not only used for water sand filling, but also for wind or self-filling. Cementitious filling has the significant advantage of quality: it can be self-bearing, in general, can effectively