Method for the fine comminution of solid materials with a rollin

Details Method for the fine comminution of solid materials with a rollin Method for the fine comminution of solid materials with a rollin

1974-08-01

1976-04-06

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 42, 241 62, 241224, 241227, B02C 2340

Patent

active

039484483

ABSTRACT:
An improved comminuting rolling mill wherein a solid material such as mineralic loose or bulk materials are introduced into a gap between opposed parallel counter rotating comminuting rollers with the material being supplied by a delivery device above the rollers having a discharge slot extending the length of the gap between the rollers and being provided with means for accelerating the charging material to the speed of roller surface travel, with the delivery device having opposed porous walls and having means for supplying a flow of air through said walls for fluidizing the material so that fluidized material flows into the gap between rollers and the device being provided for pressurizing the delivery device so that the material is carried between the rollers at the desired speed.

REFERENCES:
patent: 291018 (1884-01-01), Ager
patent: 2221802 (1940-11-01), Keys
patent: 2986348 (1961-05-01), Noll et al.
patent: 3226042 (1965-12-01), Adamski et al.
patent: 3627555 (1971-12-01), Driscoll

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