Ball mill

Details Ball mill Ball mill

1976-07-29

1977-03-22

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

With separation or classification of material

241 70, 241 793, 241171, B02C 2312

Patent

active

040132331

ABSTRACT:
A ball mill including the usual drum and a trommel screen rotatable therewith together with mechanism for returning damaged balls and large pieces of aggregate directly from the trommel screen to the drum. This mechanism comprises a plurality of blades mounted on the inner surface of the cylindrical screen which pick up material in the trommel screen as an incident to rotation thereof and dump it onto a trough which extends from the screen to the drum. A jet of water is introduced into the trough at its outer end and passes the materials back into the drum.

REFERENCES:
patent: 655745 (1900-08-01), Walker
patent: 1368739 (1921-02-01), Lindhard
patent: 1374410 (1921-04-01), Jorgensen
patent: 2670139 (1954-02-01), Treshow
patent: 3231203 (1966-01-01), Hardinge et al.

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