Rotary film evaporating apparatus

Details Rotary film evaporating apparatus Rotary film evaporating apparatus

1976-05-04

1977-04-12

Bernstein, Hiram H.

Concentrating evaporators

Film type

Centrifugal

210378, 233 47R, B01D 122

Patent

active

040173542

ABSTRACT:
The rotary film evaporating apparatus comprises a vertical cylindrical housing with a heated side wall, subdivided vertically into a plurality of communicating sections. A shaft extends through the housing, carrying thereon a hollow spraying drum within each one of the sections. The side wall of the spraying drum is formed by longitudinal bars, S-shaped in cross-section, the bars being so arranged that the longitudinal lateral edges of the bars extend into the indented portions of the adjacent bars, thereby forming a labyrinth-like passage for vapor. The portions of the bars, which are the most remote from the shaft, have apertures made therethrough for passage of the liquid.

REFERENCES:
patent: 3004901 (1961-10-01), Nergi
patent: 3282797 (1966-11-01), Hammer
patent: 3397730 (1968-08-01), Fritz
patent: 3472304 (1969-10-01), Evkin
patent: 3547593 (1970-12-01), Olevsky
patent: 3568766 (1971-03-01), Thomas
patent: 3957588 (1976-05-01), Humiston

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