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一、概况 甘肃省白银有色金属公司露天矿是一个 深凹的后期露天矿山,采用汽车运输。年采 剥矿岩总量为72万m~3(239万t);年采出 矿石量为117万t(系二采场1986年产量,一 采场已于1984年6月闭坑)。 目前使用的采矿设备有Cэ—3型3m~3电 铲3台。27t贝拉斯汽车35台,每天三班轮 流作业。 二采场1986年投产至今,采掘垂直深度 已达230m,矿区道路总长度为5900m(不 含一采场)。矿里设有专业养路队伍 配有
I. Overview Gansu Province silver non-ferrous metal company opencast mine is a deep concave opencast mine, the use of motor transport. The total amount of gold mining and ore stripping in the year is 720,000 m 3 (2.39 million tons); the annual ore production is 1.17 million tons (the second-stope was produced in 1986 and the first stope closed in June 1984). Currently used mining equipment Cэ-3 type 3m ~ 3 shovel 3. 27t Belas Automotive 35 units, three shifts daily operations. The second stope was put into operation in 1986 so far, and the vertical depth of excavation has reached 230m. The total length of the road in the mining area is 5900m (excluding one stope). Mine with a professional road maintenance team equipped with