Rotary film evaporating apparatus

Details Rotary film evaporating apparatus Rotary film evaporating apparatus

B - Operations, Transporting

01

D

202/112, 161/13

B01D 1/16 (2006.01)

Patent

CA 1044131

A B S T R A C T The rotary film evaporating apparatus includes a vetical cylindrical housing with a heated side wall, subdivided verti- cally into a plurality of communicating sections. A shaft ex- tends 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 outer 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, has apertures made therethrough for passage of the liquid. The disclosed evaporating apparatus enables to eliminate re-blending of the liquid fed therethrough and is operable without an additional separator.

251653

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