CENTRIFUGAL CRUSHER Russian patent published in 1995 - IPC

FIELD: heat and power engineering, coal grinding. SUBSTANCE: crusher has housing 1 with rotor mounted on vertical shaft 2. Disposed in the rotor are booster disks 3 with blades 4 together with grinding members 5. Ring-shaped separating grid 9 and shell 12 are disposed in a concentric relation to the rotor so as to be joined to shell 12 through flexible members 11. Grid 9 has extra shell 10 mounted in a spaced relation inside main shell 12. EFFECT: more efficient coal crushing. 1 dwg