Flotation machine for deinking

Details Flotation machine for deinking Flotation machine for deinking

1990-09-04

1992-04-28

Silverman, Stanley S.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209169, 2102212, 210219, 261123, 162 55, B03D 124, B03D 120, B03D 114

Patent

active

051085860

ABSTRACT:
A stock liquid is made to flow into a cell through a stock inlet at one end of the cell. The stock liquid is admixed with air bubbles from an air bubble generating device disposed at a lower portion of the cell and extending between the opposite end plates of the cell, thereby forming the stock liquid into a spiral flow. Ink particles are entrapped by the air bubbles to deink the stock liquid and the air bubbles remain as froth over the free surface of the stock liquid. The froth is made to flow down to the froth trough. The deinked stock liquid is discharged to the exterior of the cell through the stock outlet at the other end of the cell.

REFERENCES:
patent: 1322909 (1919-11-01), Kraut
patent: 1608896 (1926-11-01), MacIntosh
patent: 1713046 (1929-05-01), MacIntosh
patent: 1744785 (1930-01-01), McTaggart
patent: 1798452 (1931-03-01), Butchart
patent: 1988351 (1935-01-01), Fairchild
patent: 4247391 (1981-01-01), Lloyd
patent: 4324652 (1982-04-01), Hack
patent: 4749473 (1988-06-01), Shioiri

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