Continuous feeding system for treatment towers

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Continuous chemical treatment or continuous charging or...

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Details

68181R, 162 52, 162237, 162238, 162246, D21C 324, D21C 706

Patent

active

039922480

ABSTRACT:
An improvement in continuously feeding slurry material to vertical upflow treatment towers. The improvement comprises providing a plurality of spaced apart inlet or outlet openings in the bottom inlet end of the tower and opening and closing the openings in timed sequence to allow the material to selectively flow into the tower from different spaced locations but continuously at a substantially constant rate.

REFERENCES:
patent: 3243341 (1966-03-01), Lang
patent: 3326235 (1967-06-01), Jones
patent: 3397718 (1968-08-01), Jones
patent: 3700548 (1972-10-01), Rich

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