Air separator method and apparatus

Details Air separator method and apparatus Air separator method and apparatus

1978-05-04

1979-10-09

Lutter, Frank W.

Gas separation

Means within gas stream for conducting concentrate to collector

55 87, 55178, 55182, 55204, 55207, 55400, 233DIG1, 427345, 162136, B01D 1902, D21H 148

Patent

active

041704576

ABSTRACT:
A rotating separator removes air coating from pigmented paper coating liquid stock. The separator employs a cylindrical tank which is mounted for rotation about a vertical axis. The separator is operated in a filled condition and an air laden or froth fraction is removed from a radially central region of the tank at the top of the tank, while a non-rotating pickup receives air free coating from a region adjacent the wall of the tank near the tank bottom. A method of treating and applying such a coating includes the steps of pumping an air laden coating into a centrifugal separator while maintaining the separator in a filled condition, removing an air froth from the separator for return to the supply tank, and delivering a substantially air free coating directly to the inlet of a control without the imposition of any intermediate pumping apparatus. The centrifugal pumping action of the separator supplements the pressure head on the coating material.

REFERENCES:
patent: 1081267 (1913-12-01), Christensen
patent: 1263439 (1918-04-01), Leitch
patent: 2275355 (1942-03-01), Finken
patent: 2785765 (1957-03-01), Cornell
patent: 3274307 (1966-09-01), Bergstein et al.
patent: 3292577 (1966-12-01), Cressey, Jr. et al.
patent: 3960319 (1976-06-01), Brown et al.

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