Roller crushing mill

Details Roller crushing mill Roller crushing mill

B - Operations, Transporting

02

C

241/105

B02C 15/14 (2006.01) B02C 15/00 (2006.01)

Patent

CA 1060415

ABSTRACT OF THE DISCLOSURE A roller crushing-mill has a grinding plate rotatable about its vertical axis, a number of crushing rollers or pairs of crushing rollers disposed at uniform peripheral distances on the crushing plate and rotating about generally horizontal axes, an air supply conduit disposed below the plane of the crushing plate. A device is provided above the grinding plate for sifting the air charged with crushed material, and comprises a number of sifters corresponding to the individual crushing rollers or pairs of crushing rollers and disposed adjacent each other in like peripheral spacing, Air nozzles for providing substantially up- wardly directed air streams are provided on the perimeter of the grinding plate in the area of the individual crushing rollers or pairs of crushing rollers, while in the areas between the indivi- dual crushing rollers or pairs of crushing rollers there are provided air nozzles for throttled air streams directed towards the crushing track.

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