Rotor for vertical shaft impact crushers

Details Rotor for vertical shaft impact crushers Rotor for vertical shaft impact crushers

1988-10-31

1990-01-30

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Stationary comminuting surface or material bed

B02C 1900

Patent

active

048968382

ABSTRACT:
A rotor for a vertical shaft impact crusher features a unique protector for the trailing edge of each material exit portal of the crusher. The portal protector includes upper and lower "wings" between which is a channel. The wings and channel trail outwardly from the portal and along the periphery of the rotor to create a pair of trailing vortices which confine the exiting material to the periphery of the rotor in order to prevent the material from also spilling over the upper and lower edges of the portal and onto the top of the rotor, thus reducing wear. The peripheral wall of the rotor is protected by symmetrical shell segments having upper and lower lips. Each of the latter is engaged in turn by a symmetrical, segmented rim liner fashioned so that a shell segment can be replaced or moved to even-out wear simply by removing one of its associated segmented rim liners.

REFERENCES:
patent: 3174697 (1965-03-01), Bridgewater
patent: 3346203 (1967-10-01), Danyluke
patent: 3606182 (1971-09-01), Warren
patent: 3970257 (1976-07-01), MacDonald et al.
patent: 4065063 (1977-12-01), Johnson
patent: 4090673 (1978-05-01), Ackers et al.
patent: 4174814 (1979-11-01), Warren et al.
patent: 4577806 (1986-03-01), Terrenzio
patent: 4690341 (1987-09-01), Hise et al.
patent: 4796822 (1989-01-01), Terrenzio

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