CENTRIFUGAL CRUSHER Russian patent published in 1999 - IPC

FIELD: material crushing equipment. SUBSTANCE: centrifugal crusher includes housing with cover, charging window, cone screen, circular deflection decks and double side suction impeller. Impeller has ventilation vanes of first and second steps covered by discs. Stationary annular apertural deflector and charging window are arranged over speeding up vanes of first step. Housing is provided with pneumatic valves for controlling air pressure drop of cone screen. EFFECT: lowered energy consumption, enhanced disintegration degree. 4 cl, 2 dwg