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论文“用PID算法和大林算法设计分级机溢流浓度控制系统”作者李月莹华东地质局金矿事业发展迅速，选矿提金工艺路线已经建立。金矿的选矿自动化呈现较好的发展前景，设计研制磨矿回路的自动化控制系统成为必然趋势。磨矿的粒度是影响选别作业的重要变量，它要求矿物有一定的细
Paper “Using PID algorithm and Dalin algorithm design grading machine overflow concentration control system” Author Li Yueying East China Gold Geological Bureau The rapid development of gold mining, ore beneficiation process has been established. The beneficiation automation of the gold mine presents a good prospect of development. It is an inevitable trend to design and develop the automatic control system of the grinding circuit. Grinding ore size is an important variable affecting the sorting operation, which requires a certain degree of fine minerals