Vertical roller mill

Details Vertical roller mill Vertical roller mill

1986-10-29

1987-12-29

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241119, B02C 1500

Patent

active

047155442

ABSTRACT:
A vertical roller mill has stationary grinding rollers which roll over a grinding path (4) of a rotatable grinding table (1), and a surrounding nozzle ring (7) for conveying and separating air. A coarse fraction of ground material is entrained upwards and radially inwards over an inclined outer wall (19) of a screen (15) and is directed downwards by an overlying guide wall (16) onto an inclined inner wall (20) of the screen (15) and hence back to the grinding table (1) for further grinding.

REFERENCES:
patent: 3774854 (1973-11-01), Poeschl
patent: 4234132 (1980-11-01), Maliszewski

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