METHOD OF OPTIMAL CONTROL OF CLOSED-CYCLE GRINDING UNIT Russian patent published in 2000 - IPC

FIELD: control of grinding units. SUBSTANCE: grinding unit is made in form of ball mill with screen working in closed cycle with classifier; it may be used for processing vanadium-containing slags. Method consists in control of ball filling by power consumed by motor and pulp filling by initial supply which has effect on capacity; method includes also check and adjustment of vibrations of mill housing, level of pulp in pump sump, density of pulp in mill, at classifier drain, as well as rates of flow of water to mill, washing drum and classifier. EFFECT: improved quality of control; enhanced reliability and accuracy; increased productivity by finished class of required size. 1 dwg