MILL Russian patent published in 2001 - IPC

FIELD: equipment for producing fine and superfine powders of different materials. SUBSTANCE: mill has casing with cover and chamber. Cover is equipped with charging throat. Bowl-shaped cylindrical rotor is positioned for rotation in lower part of chamber. Immovable replaceable ring positioned coaxially to bowl-shaped rotor, in spaced relation to its outer surface, is provided with openings for related casing branch pipes for supplying energy carriers and discharging gaseous mixture. Recesses for supplying energy carrier and peripheral discharge of gaseous mixture are made in rotor bowl wall and oriented in direction of generatrix of cylindrical surface of rotor working surface. EFFECT: simplified construction of mill and reduced consumption of power for milling process. 1 dwg