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针对云浮硫铁矿现有的碎磨工艺当前只能生产耗能多的单一产品的问题，提出了改进意见，即采用具品位分级功能的粗碎-开路自磨工艺生产多种品级的矿石产品。
In order to solve the problem that only the single energy-consuming single product can only be produced in the current crushing process of Yunfu Pyrite Mine, the improvement suggestion is put forward that the coarse-broken open-circuit self-grinding process with grade grading can produce various grade ore products .