Centrifugal pump for liquids containing solid material

Details Centrifugal pump for liquids containing solid material Centrifugal pump for liquids containing solid material

F - Mech Eng,Light,Heat,Weapons

04

D

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F04D 29/28 (2006.01) F04D 7/04 (2006.01)

Patent

CA 1204339

Abstract A centrifugal pump for liquids containing solid material, the impeller of which has two or several vanes. In a bottom projection the leading edge (3) of the impeller (1) vane (2) is curved backwards in relation to the rotating direction of the impeller. The angle between the leading edge (3) and the outer edge (5) is obtuse in a meridian and a bottom projection. The outer end (10) of the leading edge of the vane is positioned behind a shoulder (9) provided with grooves (11), which cooperates with the vanes of the impeller. The form of the leading edge causes the fibres and the sticks to be conveyed towards the point of the vane where they are crushed by the combined effect of the groove and the vanes.

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