Concentrating evaporators – Film type – Centrifugal
Patent
1992-04-08
1995-06-20
Manoharan, Virginia
Concentrating evaporators
Film type
Centrifugal
159 62, 159 131, 159 49, 159901, 202197, 202236, 165914, B01D 122
Patent
active
054258499
ABSTRACT:
A film-type evaporator has an upright container, a heating system arranged on the outside of its jacket, a rotor rotating in the container and an upper part with a vapor chamber and droplet separator. In the upper area of the rotor the product is fed onto the inner container wall and runs down in the form of a thin film in which evaporation takes place. Circulation evaporation with a high thickening capacity is made possible in that the container has an unheated lower part constructed as a receiving flask in which the product is collected and a central part with the heating system, on whose inner wall film-type evaporation takes place, and in that the tubular rotor extends into the lower part and is constructed as a circulating pump, which delivers the product from the lower part on the inside of the tubular rotor into its upper area and centrifugally delivers it there to the inner wall of the central part.
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