Centrifugal pump for slurries
AssigneeSyncrude Canada Ltd.
InventorStefano Chiovelli
Life of this patent
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Abstract
A centrifugal pump is provided having a volute casing having a discharge conduit, an impeller provided in the volute casing, and a suction sideliner enclosing the impeller in the volute casing, the suction sideliner being at least partially covered with sintered tungsten carbide tiles. In one embodiment, the impellor has a central hub, a plurality of vanes spacedly attached to the hub, and at least one side plate attached to the vanes, whereby each vane is individually wear protected prior to attaching each vane to the hub.
Claims15
An impeller for use in a centrifugal pump, comprising, as individual components:
- a central hub;
- a plurality of vanes each comprising a body having a first end and a second end, the second end operable for spacedly attaching each vane to the hub;
- a plurality of solid tips, each respective solid tip attachable to a corresponding first end of each of the vanes;
- and
- at least one side plate attached to the vanes;
- wherein each of the central hub, the plurality of vanes and the plurality of solid tips is individually wear protected prior to assembly and wherein each of the central hub, the plurality of vanes and the plurality of solid tips is formed from a different material.
A centrifugal pump is provided having a volute casing having a discharge conduit, an impeller provided in the volute casing, and a suction sideliner, made from at least one of chromium white iron, stainless steel, and carbon steel, enclosing the impeller in the volute casing, the suction sideliner having an interior wetted surface being at least partially covered with sintered tungsten carbide tiles.
A centrifugal pump comprising:
- a volute casing having a discharge conduit;
- an impeller provided in the volute casing, the impeller assembled from a plurality of vanes joined to a central hub and connected between a first side plate and a second side plate;
- a suctionliner enclosing the impeller in the volute casing, the suction sideliner made from at least one of chromium white iron, stainless steel, and carbon steel and having a wear resistant material applied to an interior wetted surface of the suction sideliner;
- and
- an intake conduit directed towards the impeller.
Dependencies are inferred from the claim text.