Trimetal pulverizer roll

Details Trimetal pulverizer roll Trimetal pulverizer roll

1985-08-12

1986-09-09

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Comminuting elements

241298, 241300, B02C 430

Patent

active

046104011

ABSTRACT:
A pulverizer, i.e., grinding, roll (18) of the type that is particularly suited for embodiment in a bowl mill (10) wherein the roll (18) coacts with another surface (14) within the mill (10) to effect the pulverization therewithin of a material such as coal. The subject roll (18) embodies a trimetal form of construction. More specifically, the core material, i.e., the first or inner layer (50), of the trimetal roll (18) consists of a relatively soft material that is noted for its good machinability. The next, i.e., second or intermediate, layer (52) of the trimetal roll (18) comprises a material that has medium wear-resistant qualities. The last, i.e., third or outer, layer (54) of the trimetal roll (18) comprises a material having higly abrasive resistant qualities. In addition, there is provided a method of manufacturing such a trimetal roll (18).

REFERENCES:
patent: 2964251 (1960-12-01), Samuels et al.
patent: 3409236 (1968-11-01), Hamilton et al.

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