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The purpose of the rock crusher

Rock crusher stone selected

The rock crusher is first of all sand and gravel broken equipment . In the entire process of the concentrator , the crushing and grinding bear the tasks of the selected materials for subsequent processing operations . From the mining of ore into the concentrator is the upper limit of particle size 150 ~ 10mm ( surface mining ) to 60 to 40mm ( underground mining ) loose mixed swarm , beneficiation requirements of selected particle size is usually 0.2 ~ 0.1mm or smaller , which show that the ore crushing and grinding you want to enter the concentrator in the thousands , or even parts per million, crushing and grinding process is a process of reducing the particle size on the particle size is reduced to .Crushing and grinding is not only for the subsequent sorting operations materials , to produce raw materials for the inevitable requirements according to the sorting operation .


vibrating screen stone rock crusher is completed showing the aggregate of the different particles

Shaker can speak stone broken after the crusher sand and gravel aggregate in accordance with different particle filter , useful minerals in the ore (to be recycled minerals) and gangue minerals ( mineral to be abandoned ) closely embedded in students with useful minerals gangue minerals and all kinds of useful minerals between Xie leave the conditions to choose the other premise , is the primary task of grinding .The shaker Therefore, screening the case of dissociative grinding sand and gravel aggregate in nature . No useful minerals , the full dissociation on high recoveries and concentrate grade . Useful minerals and gangue minerals was not easy with the living body state recycling, recovery and up -grade low . Therefore, the dressing of the primary requirements for grinding is the grinding minerals high- monomer dissociation degree , which is the discriminant grinding the mineral quality of the primary standard .


Rock crusher, use dual screen sieve particles to reach the requirements of the building

Various beneficiation methods are governed by particle size limit , there is a certain appropriate granularity is too coarse granularity of the selected election is not up too small and the grain size is difficult to recycle . Therefore, appropriate granularity of raw materials for sorting , grinding the second task .It is worth noting , too coarse granularity of the grinding minerals there is the opportunity to be finely ground , excessive grinding of mineral recycling . It can be said that had crushed both the increase in electricity consumption and consumption of steel in the grinding process , but also deterioration of the sorting process and cause the waste of mineral resources in the grinding process should try to reduce the grain size of crushed produce .
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