Vertical pulverizer

Details Vertical pulverizer Vertical pulverizer

1993-03-29

1994-09-13

Watts, Douglas D.

Solid material comminution or disintegration

Apparatus

Loose grinding body comminutor

241 57, B02C 1922

Patent

active

053461460

ABSTRACT:
A vertical medium-stirring type pulverizer has a wear-preventive structure for preventing wear of its screw blade. The structure includes a plurality of magnets provided on the top surface of the screw blade. At least one of the pulverizing medium and the material to he pulverized which are contained in the pulverizing shell of the pulverizer is a magnetic material. The magnets serve to attract the magnetic medium or material thereto to form a lining on the top surface of the screw blade. A similar wear-preventive structure may be provided on the inner surface of the shell to prevent wear of the inner surface of the shell.

REFERENCES:
patent: 3350280 (1967-10-01), West
patent: 4754934 (1988-07-01), Ikebuchi et al.
patent: 5178338 (1993-01-01), Zakheim et al.

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