Liquid purification or separation – Filter – Movable medium
Patent
1987-09-11
1990-01-30
Alvo, Steve
Liquid purification or separation
Filter
Movable medium
100129, 100147, 100148, 2104161, 210446, 21049701, B01D 3300, B30B 902, B30B 912
Patent
active
048971944
ABSTRACT:
A liquid separator to extract liquid, usually water, from a water-solid mixture. The liquid separator has a housing with an inlet and an outlet separated by a liquid extraction chamber. The housing sidewalls defining the extraction chamber are porous, and are preferably comprised as a plurality of spaced apart rails or slats. The spacing between the rails provides a porosity for extraction of water. The rails are movable inwardly and outwardly relative to the housing in order to vary the volume of the extraction chamber. Bias means are provided that normally bias the rails inwardly of the chamber. A water-solids mixture is pumped through the chamber and tends to expand the chamber against the force of the biasing means. The combination of effects upon the subject mixture is to cause water extraction through both the squeezing by the slats and the friction occassioned by the dewatering of the subject mixture.
REFERENCES:
patent: 117075 (1871-07-01), Hulbrook
patent: 292593 (1884-01-01), Seeley et al.
patent: 829315 (1905-07-01), Anderson
Stord Bartz Twin Screw Press brochure.
Reitz S-Press Dewatering Machine brochure.
Liquid Extraction Systems, Inc. "F" Press Dewatering Machine brochure.
Freeman Moisture Extractor brochure.
Dupps Company Dewaterer brochure.
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