Method for washing filter-cakes and a spray nozzle intended for

Details Method for washing filter-cakes and a spray nozzle intended for Method for washing filter-cakes and a spray nozzle intended for

1977-09-15

1979-02-13

Cuchlinski, Jr., William A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210391, B01D 4100

Patent

active

041394658

ABSTRACT:
The present invention is concerned with a method for washing filter-cakes and a spray nozzle intended for use with the method.
The invention provides a method of washing filter-cakes transported by a rotary belt filter, the filter-cake being caused to pass along a washing station by means of a conveyor belt having longitudinally extending side ridges and being smoothed by means of a doctor, in which method washing liquid is dispersed over the filter-cake and caused to pass there through by means of a vacuum on the undersurface of the filter-cake, wherein washing liquid is supplied to the filter-cake in the form of a laminar flow across the major portion of the width of the filter-cake, said flow having a slight turbulence in a zone adjacent each side ridge.

REFERENCES:
patent: 2669360 (1954-02-01), Little
patent: 2848113 (1958-08-01), Paterson et al.
patent: 2983383 (1961-05-01), Wallace et al.
patent: 3469703 (1969-09-01), Parmentier
patent: 4038193 (1977-07-01), Van Oosten

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