Apparatus for grinding and uniformizing grains and screen with a

Details Apparatus for grinding and uniformizing grains and screen with a Apparatus for grinding and uniformizing grains and screen with a

1996-06-21

1998-06-16

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With separation or classification of material

241286, B02C 2316

Patent

active

057657670

ABSTRACT:
A double screen (42) including a cylindrical screen (18) and a conical screen (23) is attached to an upper casing (3) into which a revolution shaft (11) is inserted and is provided with a supply opening (2). A rotary blade 12 is arranged within an annular space (15) having a nearly V-shaped section between the cylindrical screen (18) and the conical screen (23) so as to rotate keeping a desired gap relative to the respective screen surfaces. Since the annular space (15) having the nearly V-shaped section is spaced apart from the revolution shaft (11), the rotary blade (12) rotates at a high circumferential speed even in the bottom portion of the annular space (15).

REFERENCES:
patent: 1515113 (1924-11-01), Holmquist et al.
patent: 2886254 (1959-05-01), Rohlinger et al.
patent: 4605173 (1986-08-01), Edmonds
patent: 5282579 (1994-02-01), Poser et al.
patent: 5544821 (1996-08-01), Gupta et al.

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