Primary and Secondary Crushing Understanding the Basics
The primary crusher receives the materials directly from the mine or quarry and its size reduction ratio ranges from 3 1 to 7 1 The primary crusher can be a jaw crusher gyratory crusher or impact crusher depending on the hardness abrasiveness and size of the materials The jaw crusher is the most common type of primary crusher used in
River Pebble Crusher C&M Mining Machinery
Impact crushers on the other hand are used for primary secondary and tertiary crushing and are best suited for materials with a low to medium degree of hardness River Pebble Cone Crusher Applications of River Pebble Crusher The river pebble crusher is used for crushing river pebbles into various sizes depending on the specific