Concentrating evaporators – Film type – Centrifugal
Patent
1992-03-10
1993-10-19
Manoharan, Virginia
Concentrating evaporators
Film type
Centrifugal
159 281, 159 431, 159 49, 159DIG41, 202236, 203 89, B01D 122
Patent
active
052542190
ABSTRACT:
Film-type evaporator for thickening liquid products with a container having a vapor outlet, a drive shaft introduced into the latter from above for a rotating rotor with at least one conically upwardly widening heating surface, onto whose inside the product is fed in the vicinity of the smaller diameter and the product spreads in film-like manner towards the larger diameter and is fed there as a concentrate into the container, and on whose outside is guided the heating medium supplied and removed through the hollow drive shaft. Such an evaporator is characterized in that in the vicinity of its larger diameter, the rotor is connected by a spider, which has at least one hollow arm in each case for the feed and removal of the heating medium, to the drive shaft, and in the vicinity of its smaller diameter is traversed by a conical immersion tube rotating with the rotor and which is immersed with its smaller diameter in the product or concentrate in the lower part of the container and on its larger diameter is connected to the drive shaft of the rotor and has there an overflow edge feeding the product or concentrate onto the heating surface.
REFERENCES:
patent: 1530140 (1925-03-01), Schneible
patent: 2224621 (1940-12-01), Voorhees
patent: 3127250 (1964-03-01), Heinemann
patent: 3890205 (1975-06-01), Schnitzer
patent: 4167454 (1979-09-01), Ferea
patent: 4198360 (1980-04-01), Shafranovsky et al.
patent: 4198361 (1980-04-01), Shafranovsky et al.
patent: 4683026 (1987-07-01), Feres
patent: 4707220 (1987-11-01), Feres
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