Radial skin evaporator

Details Radial skin evaporator Radial skin evaporator

1987-02-20

1988-11-22

Bascomb, Wilbur

Concentrating evaporators

Film type

Moving film

159 286, 159 431, 159 49, 159DIG15, 202236, 202266, 2022671, 203 89, 203DIG22, B01D 122

Patent

active

047863633

ABSTRACT:
An evaporator includes heating elements which are part of a thin skin providing the evaporator vessel wall, supporting the skin for internal and external pressure, and a top portion of the vessel. A liquor distributing plate is supported on the heating elements, with a liquor inlet donut-shaped conduit disposed above the liquor distributing plate. The heating elements are radially disposed within the vessel, and are supported at the bottom by a ring which engages the bottoms of the heating elements, and a vertical axis tube extending from the vessel bottom to the ring, the tube having a plurality of through-extending openings formed in it. The vapor outlet for the vessel is concentric with the heating elements and the liquor distributing perforated plate. Heating fluid (e.g. steam) is introduced into the interior volumes of the heating elements adjacent the tops thereof, and a vent is provided adjacent the bottoms.

REFERENCES:
patent: 3150028 (1964-09-01), Wennerberg
patent: 3307614 (1967-03-01), Rosenblad
patent: 3351119 (1967-11-01), Rosenblad
patent: 3808104 (1974-04-01), Davidson
patent: 4673459 (1987-06-01), Elmore et al.

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