Vertical roller mills

Details Vertical roller mills Vertical roller mills

1983-03-14

1984-12-25

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 24, 241 29, 241 57, 241119, 241152A, B02C 2326

Patent

active

044898959

ABSTRACT:
A vertical roller mill has a rotary grinding table (1), grinding rollers (3) and a nozzle ring (13) surrounding the table for providing an air stream to entrain ground material. Downstream of each roller is a scraper (20) with a nozzle for directing a blast of air onto the crushed material leaving the roller to break up the material so that finer fractions pass into the conveying air stream and coarser fractions are carried on the table to the next roller.

REFERENCES:
patent: 2818219 (1957-12-01), Straight
patent: 3556419 (1971-01-01), Frangquist
patent: 4385730 (1983-05-01), Kartman

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