CENTRIFUGAL ACCELERATOR FOR CRUSHERS AND GRINDERS Russian patent published in 2003 - IPC

FIELD: crushing and grinding ore materials and non-ore material. SUBSTANCE: proposed centrifugal accelerator includes drum with central hole for delivery of starting material and ports for escape of accelerated material, starting material distributor, accelerating members made in form of self-lining chord blades and end blades for holding the material which are arranged inside drum. Working surfaces of chord blades are made in form of arc of logarithmic spiral in longitudinal section forming well together with end blades for making required volume of lining layer of material in field of centrifugal forces. EFFECT: reduced power requirements; increased service life of centrifugal accelerator. 1 dwg