Multiple effect evaporator with an evaporative condenser as a li

Details Multiple effect evaporator with an evaporative condenser as a li Multiple effect evaporator with an evaporative condenser as a li

1986-10-20

1988-07-12

Bashore, S. Leon

Concentrating evaporators

Film type

Moving film

159 171, 159 49, 159901, 159DIG8, 202174, 2021853, 202236, 203 12, 203 27, 203 89, 203DIG8, B01D 126

Patent

active

047567970

ABSTRACT:
A multiple effect evaporator system and a process for concentrating a process liquid wherein evaporated process liquid from one effect serves as heating fluid in an adjacent effect. Low energy heating fluid in vapor form is fed to an evaporative surface condenser where it is condensed and collected as clean and foul condensate. Coolant for the evaporative surface condenser is provided in the form of process liquid from one of the effects. Prior to passage into the evaporative surface condenser, the process liquid is cooled. In the cooling circuit of the evaporative surface condenser, the process liquid absorbs the heat of condensation of the heating fluid and subsequently rejects the heat into a counter flowing air stream. The process liquid is thereafter heated and returned to another of the multiple evaporator effects.

REFERENCES:
patent: 2165044 (1939-07-01), Fox et al.
patent: 2840154 (1958-06-01), Lankenau
patent: 3322648 (1967-05-01), Kays et al.
patent: 3489654 (1970-01-01), Geiringer
patent: 3807479 (1974-04-01), Brannland et al.
patent: 3968002 (1976-07-01), Standiford
patent: 4239588 (1980-12-01), Englehardt
patent: 4366027 (1982-12-01), Lauro
"Kamyr" bulletin No. 682, Apr. 1983 Rosenblad Free Flow Evaporators.

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