A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . 3.3.1 Compound cone crusher; 3.3.2 s cone crusher; 3.3.3 Single . The earliest of these were in the foundries, but as coal took hold the larger .. Jaw crushers are heavy duty machines and hence need to be robustly.
This review describes the current state of technology of the equipment and . Primary Crushers; Jaw Crusher; Gyratory Crusher; Secondary and Tertiary Crushers; Cone Crusher; Roll Crusher; Impact Crusher; Hammer Mill; Rotary Coal Breaker .. to Mining and Mineral Processing, Part 3 - Mineral Processing Methods.