Water-hammer actuated crusher

Details Water-hammer actuated crusher Water-hammer actuated crusher

B - Operations, Transporting

02

C

B02C 1/00 (2006.01)

Patent

CA 2195412

A crusher for materials such as rock is described. Material is crushed between an inclined anvil (36) and a vibrating impact surface (34). The impact surface (34) is driven by high intensity pressure pulses which are generated by creating repeated water hammers in a low pressure high volume hydraulic circuit (65). The water hammer may act directly to drive a piston (53) bearing the impact surface (34) toward the anvil (36). In another configuration of the invention, the water hammer pulse stores energy by stretching a tension member (292) or by distorting a plate (190). When the water hammer pulse passes the stored energy suddenly drives the impact surface towards the anvil. The crusher of the invention has few moving parts and is energy efficient.

L'invention concerne un concasseur pour matériaux tels que la roche, le matériau étant concassé entre une enclume inclinée (36) et une surface d'impact vibrante (34). Cette surface d'impact (34) est mue par des impulsions de pression de grande intensité qui sont générées par la création de coups de bélier répétés dans un circuit hydraulique basse pression (65) de volume élevé. Le coup de bélier agit directement pour diriger vers l'enclume (36) un piston (53) supportant la surface d'impact (34). Dans une autre configuration selon l'invention, l'impulsion de coup de bélier emmagasine l'énergie en étirant un élément tendeur (292) ou en déformant une plaque (190). Lorsque le coup de bélier se produit, l'énergie emmagasinée dirige soudainement la surface d'impact vers l'enclume. Le concasseur selon l'invention présente peu de pièces mobiles et consomme peu d'énergie.

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