Marine evaporator for fresh water production

Details Marine evaporator for fresh water production Marine evaporator for fresh water production

1996-09-30

1998-11-24

Cain, Edward J.

Distillation: processes, separatory

Water purification only

B01D 300

Patent

active

058401598

ABSTRACT:
A combined evaporator and condenser for desalination of seawater which can be used on a ship for fresh water production, has plate type falling film heat exchange elements within a housing wherein a liquid heating medium such as hot engine jacket water circulates within lower internal spaces of the heat exchange elements for boiling seawater falling as a film down external surfaces of the elements and vapor boiled off from the seawater is conducted to upper internal spaces within the heat exchange elements for condensation therein to produce a stream of fresh water. The seawater film flows down the entire length of the external surfaces of the plate heat exchange elements, which have a transverse internal partition separating their lower and upper internal spaces and vertical partitions within the lower internal spaces for lengthening the flow path of the liquid heat exchange medium therethrough.

REFERENCES:
patent: 4810327 (1989-03-01), Norrmen
patent: 4846240 (1989-07-01), Erickson
patent: 4925526 (1990-05-01), Havukainen
patent: 4944839 (1990-07-01), Rosenblad
patent: 5232557 (1993-08-01), Kontu et al.

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