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桃冲矿业公司磨矿系统采用3台MQG 2100×3000格子型球磨机,其中空轴直径为800mm,两端轴颈长度分别为370mm和360mm。磨矿产品粒度小于0.833mm,台时处理量29t/h。单机装球量20t,电动机功率210kW。其主轴承为合金轴瓦,摩擦能耗大,维护工作量大,故障多。该矿决定采用滚动轴承替代滑动轴瓦。
Peach red mining company grinding system uses three MQG 2100 × 3000 grid-type ball mill, the hollow shaft diameter of 800mm, both ends of the journal length 370mm and 360mm. Grinding product particle size is less than 0.833mm, Taiwan processing capacity 29t / h. Single ball capacity 20t, motor power 210kW. The main bearing alloy bearings, friction energy consumption, maintenance workload, failure and more. The mine decided to use rolling bearings instead of plain bearings.