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为了从现有选矿厂挖掘生产潜力,我厂于1979年进行7A浮选机的改造,即将7A改造为类似CHF—X14米~3充气机械搅拌式浮选机。1982年以来在4号系统一粗选作业进行了工业试验,改造的7A浮选机(下称改造型),在选别落雪混合铜矿石和含铜铁矿石,与1、2、3号系统一粗作业对比,能克服原7A浮选机的一些缺点,具有浮选速度
In order to tap the potential of production from the existing concentrator, I plant in 7A 7A flotation machine transformation, 7A will be transformed into a similar CHF-X14 m ~ 3 aerated mechanical stirring flotation machine. Since 1982, a system of roughing operations in the No. 4 industrial test, the transformation of the 7A flotation machine (hereinafter referred to as the transformation), in the selection of snow-mixed copper ore and copper-bearing iron ore, and 1,2,3 A rough system of work contrast, to overcome some of the shortcomings of the original 7A flotation machine, with flotation speed