Method and apparatus for pumping fiber suspensions

Details Method and apparatus for pumping fiber suspensions Method and apparatus for pumping fiber suspensions

1981-03-02

1984-03-06

Coe, Philip R.

Rotary kinetic fluid motors or pumps

With separating means or guard for solid matter in working...

415219C, 406 92, F04D 104

Patent

active

044351224

ABSTRACT:
The disclosure describes a method and a device for pumping fiber suspensions of high consistency. Shear forces disrupting fiber flocs are induced near the front edge of the vanes of the impeller in a centrifugal pump which fluidize the fiber suspension hereby converting it into an easily pumpable state. This is effected by an inlet part having recesses and/or lobes in its inner surface in front of the impeller which cooperate with a rotor having an outer surface in which there are recesses and/or lobes disposed into the inlet part.

REFERENCES:
patent: 3316848 (1967-05-01), Egger
patent: 3973866 (1976-08-01), Vaughan
Sence, L. H.; Centrifugal Pumps for Paper Stock Handling, Chemical 26, 4(1960), 12, pp. 22-36.

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