Design Parameters Of Primary Crusher
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crusher equipment introduction
Crushers are one of the major size reduction equipment that is used in metallurgical, mechanical, and other similar industries. They exist in various sizes and capacities which range from 0.1 ton/hr. to 50 ton/hr. They can be classified based on the degree to which they can fragment the starting material and the way they apply forces. Based on the mechanism used crushers are basically of three types namely Cone crusher, Jaw crusher and Impact crusher.
crushing equipment types
Primary crusher – The raw material from mines is processed first in primary crushers. The input of these crushers is relatively wider and the output products are coarser in size. Example -Jaw crusher, Gyratory crusher, Impact Crushers, etc.
Secondary crusher- The crushed rocks from primary crusher are sent to these secondary crushers for further size reduction. Example:-reduction gyratory crusher, Cone crusher, disk crushers etc.
Fine crushers- Fine crushers have relatively small openings and are used to crush the feed material into more uniform and finer product. Example – Gravity stamp.
jaw crusher applications and features
Jaw crusher are mainly used to proceed the medium particles crushing of various ores and large size materials with the crushing pressure of less than 320Mpa .And Jaw Crusher is widely used in mining, metallurgy, construction, highway, railroad, conservancy and chemistry industries,etc.
Jaw crusher features simple structure, convenient maintenance; stable performance,low operation cost and large crushing ratio.And the jaw crusher adopts the high tensile mn-steel and can be cast by one-time with the advantages of anti-abrasion, anti-pressure and long service life. And now the jaw crusher can be mainly applied to crush the large, medium and small size stones and the corresponding materials.
vertical shaft impact crusher
These crushers use a high speed rotor that has its axis along the vertical axis. The vertical-shaft impact crusher can be considered a stone pump that can operate like a centrifugal pump. The material is fed through the center of the rotor, where it is augmented to high speeds before being cleared through openings in the rotor sideline. The material is crushed as it hits the outer body/anvils at high speed and also due to the head on head collision action of rocks. It uses the velocity rather than the surface force as the active force to break the material fed. These have a comparative lower reduction ratio of 6:1 to 8:1 and hence are used generally for sand and gravels.