Method and disc mill for grinding of material

Details Method and disc mill for grinding of material Method and disc mill for grinding of material

1975-03-10

1976-10-26

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

Miscellaneous

241176, B02C 1710

Patent

active

039879690

ABSTRACT:
A method of grinding material in a disc mill, the mill being operated at maximum r.p.m. corresponding to three to four times the critical velocity and is restricted only by injurious vibrations due to unbalanced masses so that the grinding material is centrifuged and forms a layer on the internal surface of the mill cylinder, the thickness of this layer being restricted by a suitable member. A disc mill for carrying out the method is also disclosed, the mill having free grinding discs of the same diameter, equal to about two thirds of the diameter of the mill cylinder, the discs being collected in an effective grinding area with a length about two thirds of the diameter of the cylinder.

REFERENCES:
patent: 178564 (1876-06-01), Smith
patent: 478252 (1892-07-01), Cullingworth
patent: 810904 (1906-01-01), Bonvillain
patent: 1363990 (1920-12-01), Morthland
patent: 2014640 (1935-09-01), Wales
patent: 2482740 (1949-09-01), Brown

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