Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. .. Primary crushing reduces the large pieces to a size which can be handled by the downstream machinery. Some crushers are mobile and can.tertiary crusher for rocks,Secondary & Tertiary Crushing Circuits - Mineral Processing .Jul 24, 2015 . The feed comes from the primary crusher and will have a certain amount of rock that doesn't need further crushing. To run this ore through the.
tertiary crusher for rocks