Automatic Control of Continuous Autogenous Grinding

Abstract A very important problem in autogeneous grinding control is the determination of the mill charge x0, which represents maximal energy consumption of fines. This optimal mill charge depends upon the ore quality, and is subject to variations over time. In this paper a control system which maintains stable mill operation at maximal mill power consumption in spite of ore quality variations is described. Results from full scale test in an industrial mineral dressing plant are included.