A centrifugal pump casing

Abstract

The utility model relates to a centrifugal pump pump shell in non ferrous metal filtering field, including pump shell, be equipped with liquid inlet and liquid outlet on the pump shell, be equipped with the cavity in the pump shell, the cavity inner wall is equipped with anticorrosive layer, is equipped with the impeller in the cavity, liquid inlet is connected with the liquid inlet pipe, one end of the liquid inlet pipe corresponds the front sealing ring of impeller, the corresponding end of front sealing ring and impeller is the horn mouth, the end of impeller stretches into the sealing ring and is the taper matched with horn mouth, the one end of liquid inlet pipe away from front sealing ring is fixed with a ring of connecting ring, the connecting ring is connected with liquid inlet through fixed bolt, the contact surface of connecting ring and liquid inlet is fixed with an elastic sealing layer, the utility model discloses the front sealing pad wear, can push the front sealing pad to move to the impeller through the fixed bolt of tightening, ensure the sealing effect between the front sealing pad and the impeller, reduced the replacement frequency of front sealing pad, and the sealing effect is good, prolongs the life.

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