primary crusher secondary crusher tertiary crusher
Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. ... When used with jaw crusher, it can be used as secondary, tertiary or quaternary crushing. Generally speaking, the standard type of s cone.primary crusher secondary crusher tertiary crusher,Secondary Crushing Equipment - Mineral Processing / MetallurgyFeb 28, 2016 . A very large number of secondary crushers in our present-day plants . The term “tertiary” has been used rather extensively in recent years to cover . primary and secondary stages regardless of the sizes of crushers used or.