rotary breaker

rotary breaker

[′rōd·ə·rē ′brāk·ər]
(mining engineering)
A breaking machine for coal or ore; consists of a trommel screen with a heavy steel shell fitted with lifts which raise and convey the coal and stone forward and break it; as the material is broken, the undersize passes through the apertures.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In the third, and final, stage of improving the coal handling, a rotary breaker was installed.
1: No beneficiation, only crushing to required product size; possibly some removal of stone, for example by rotary breaker, from the largest sizes