Concentrating evaporators – Closed evaporating chambers – Indirectly heated
Patent
1977-02-15
1978-12-26
Yudkoff, Norman
Concentrating evaporators
Closed evaporating chambers
Indirectly heated
159 40, 159 41, 159 24A, 127 16, 122158, B01D 100
Patent
active
041315073
ABSTRACT:
An evaporator which is specifically adapted for the evaporation of sugar cane juices, however, it is a versatile apparatus and may be used with equal facility in various evaporating situations. Instead of using steam as is conventional, the heating medium to produce the required evaporation comprises waste combustion gases. Gas orienting means is included through which the hot waste gases flow to an enclosed area of generally hour glass shape. The entire apparatus is of generally circular configuration and includes a circular evaporating area into which the juices are pumped and are under pressure and in which they are evaporated. The circular evaporating area into which the juices are pumped and where evaporation occurs is in heat transfer relationship with the enclosed area through which the hot waste gases flow. In this evaporation process, a body of juice is pumped into the area in which the evaporation takes place, such evaporation occurring atop and above the liquid juice body and since the body of juice is under pressure the evaporated juice is forced from the evaporating area to a second body or to a condenser.
REFERENCES:
patent: 269575 (1882-12-01), Hillman
patent: 276161 (1883-04-01), Cook
patent: 1365608 (1921-01-01), Trumble
patent: 2906250 (1959-09-01), Clarkson
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