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美国白松铜矿对关键地方的生产设备实行计划检修,使矿山生产能力保持高水平。一年多以来平均日产矿石25000吨,满足了选矿厂生产的需要。计划检修包括的重点设备有:地下柴油机245台,地下固定式空气压缩机45台,运输带传动装置90套。地下矿采用房柱法开采平均含铜1.1%的矿石,年产铜7万吨。每周生产7天,每天作业24小时。坑内运输巷道底板倾斜度在O～30%之间,平均为20%。
The United States White Pine copper mine on the key local production equipment planned maintenance, so that mine production capacity to maintain a high level. More than a year since the 25,000 tons of ore Nissan, to meet the needs of the dressing plant. The key equipment covered in the plan overhaul include 245 underground diesel engines, 45 underground fixed-type air compressors and 90 transmission belts. Underground mining method using the house and column mining copper 1.1% of the average ore, with an annual output of 70,000 tons of copper. 7 days a week, 24 hours a day. Pits within the transport tunnel slope between 0 ~ 30%, with an average of 20%.