Casing for a centrifugal pump

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 29/42 (2006.01) F04D 7/04 (2006.01)

Patent

CA 2562210

A pump casing for a centrifugal pump of the type that is used to process abrasive slurries is disclosed having at least one side or side liner that has a radially extending portion oriented toward the cutwater of the pump casing to localize the abrasive wear caused by the abrasive slurries to the side of the pump casing. The side liner of the pump is configured with a perimeter edge that is non-circular. The pump casing may preferably be configured with an open cutwater configuration or other suitable configuration for localizing wear to the sides of the casing.

La présente invention concerne un corps de pompe destiné à une pompe centrifuge du type utilisé pour traiter des suspensions abrasives qui comporte au moins un côté ou un revêtement latéral comprenant une partie s'étendant radialemen, orientée en direction du bec du corps de pompe, destinée à localiser l'usure par abrasion provoquée par les suspensions abrasives sur le côté du corps de pompe. Ce revêtement latéral de la pompe est configuré avec un bord périphérique qui est non circulaire. Le corps de pompe peut de préférence être configuré avec une configuration de bec ouvert ou avec tout autre configuration appropriée pour localiser l'usure sur les côtés du corps de la pompe.

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