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邯邢矿山局玉石洼铁矿选厂年处理原矿量能力100万t,选矿工艺为:粗碎—自磨—球磨—三段磁选—过滤,总尾全部回到BCN-45型浓缩机。该浓缩机自1977年投产,由于工作环境恶劣,尤其是中心部分,长期在矿浆和泥水中浸泡,腐蚀严重,检查发现中心转盘轴承上、下滑道已经磨损断裂,轴承滚珠偏移错位,小车转动时中心转盘上下偏移,造成集电器滑环与碳刷错位接触不良,导致行走小车电机烧坏。转盘偏移还造成小车车轮挤压道轨,齿条断裂,基础螺栓损坏,需要更换中心转盘轴承上、下滑道及钢球。
Handanxing Bureau Jade Wa Wa iron ore processing plant annual processing capacity of 1 million tons of ore, beneficiation process: coarse grinding - self-grinding - milling - three sections of magnetic separation - filtration, the total tail all back BCN-45-type thickener. The concentrator put into operation since 1977, due to poor working conditions, especially in the central part of the long-term immersion in slurry and muddy water, serious corrosion, check the center turntable bearing, glideslope has been worn and broken, the bearing ball misalignment, the car turns When the center turntable up and down offset, resulting in poor slip ring contact with carbon brush bad, leading to motor burn trolley. The turntable offset also causes the trolley wheels to squeeze the rail, the rack breaks, the base bolt is damaged, and the center turret bearing, the glideslope and the steel ball need to be replaced.