Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1974-10-23
1976-06-01
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 4604, 2412591, 2412611, B02C 706, B02C 712
Patent
active
039603326
ABSTRACT:
A deflaker for use in defibering coarse paper making stock includes a rotor and stator having frusto-conical working faces, each of which has therein one or more circumferential rows of angularly spaced pockets separated by axially extending land areas and with a circumferential land between adjacent rows of pockets, the proportions and arrangement of the parts being such that the stock is forced to travel back and forth between rotor and stator pockets as it passes through the working zone. The inlet chamber in which the rotor and stator operate is of substantially larger diameter to provide outlying space to which high specific gravity contaminant materials are directed by the centrifugal force generated by the rotor, and this action is enhanced by a cover plate on the inlet end of the rotor which has the dual function of defining with the adjacent end wall of the stator an entry slot to the working zone, and of developing additional centrifugal force further tending to prevent high specific gravity contaminant materials from reaching this inlet slot. The working faces of the rotor and stator are axially symmetrical so that the rotor can be driven in either direction to double the working life of these elements, and when it is necessary to remove and replace any of the working elements, this can be done without disturbing any piping connections by simply removing a cover plate which forms one wall of the inlet chamber.
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Custer, Jr. Granville Y.
Goldberg Howard N.
The Black Clawson Company
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