INERTIA MILL FOR FINE GRINDING OF MATERIALS Russian patent published in 1995 - IPC

FIELD: metallurgy. SUBSTANCE: inertia mill comprises lined casing, drive shaft with movable grinding members secured on rotation axle on support disc and forms, together with drive shaft, an integrated rotor, and product admitting and discharging pipes. Grinding members are segment-shaped in horizontal section while rotation axle of each member is offset from its center of gravity by at least 0.5 of its length. Shaft carries several support discs with grinding members which are offset vertically from one another. Relation of casing inside diameter to larger diameter of horizontal section of working portion of grinding member is 1:5. The working surface of grinding member is curvilinear in vertical section. EFFECT: improved design. 4 cl, 6 dwg