Crushing and grinding processes are the largest consumers of energy at a mining operation. The High-Pressure Grinding Roll (HPGR) has gained popularity because it is much more energy efficient than conventional processes. The HPGR product is then ground in ball mills to prepare ore for mineral separation. These processes are controlled to optimize their performance by minimizing energy usage while maximizing productivity. The rotational speed of the rollers and of the ball mills can be controlled in response to changes in ore properties. The research will investigate and advance strategies for controlling the speed to optimize their performance.
Bern Klein;Sanja Miskovic
Max Hesse;Bill Tubbs
Copper Mountain Mining Corporation
Professional, scientific and technical services
University of British Columbia
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