Roller crushing mill

Details Roller crushing mill Roller crushing mill

1975-12-31

1977-01-25

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 57, 241114, B02C 1500

Patent

active

040047407

ABSTRACT:
A roller crushing mill has a housing within which is a plurality of angularly spaced crushing rollers that bear on a grinding plate rotatable about a vertical axis. Above each roller is a sifter for the reception of crushed material. Nozzles positioned in the vicinity of the rollers establish upwardly directed airstreams at the periphery of the grinding plate to entrain crushed material thrown off the grinding plate and deliver such crushed material to the sifters. Other nozzles positioned between adjacent ones of the rollers at the periphery of the grinding plate direct airstreams inwardly of the plate toward the crushing track to feed material to the crushing track.

REFERENCES:
patent: 1806980 (1931-05-01), Kreutzberg
patent: 2698142 (1954-12-01), Criter et al.
patent: 3465971 (1969-09-01), Dalenberg et al.

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