Method for dissolving salt encrustations in a heat exchanger

Details Method for dissolving salt encrustations in a heat exchanger Method for dissolving salt encrustations in a heat exchanger

1986-03-04

1987-03-24

Makay, Albert J.

Furnaces

Process

Treating fuel constituent or combustion product

55 90, 55 93, 55222, 55268, 110215, 110216, 165 95, 165921, B01D 5334

Patent

active

046516557

ABSTRACT:
Dissolving salt encrustations which are deposited by exceeding the saturation limit from a gas saturated with water vapor on the heat exchanging surfaces of a heat exchanger, by passing the gas through a heat exchanger subdivided into several sections. The predominant part of the sections is subjected to a hot fluid heating the gas saturated with water vapor and the smaller part of the sections to a cold fluid for cooling the gas below the dew point. The salt crust is dissolved in the cooled sections by the separated condensation water and the salt solution is drained from the heat exchanger. After the salt crust is removed, the cooled sections are subjected to the hot fluid and parts of the heated sections to the cold fluid.

REFERENCES:
patent: 3231015 (1966-01-01), Koch
patent: 3755990 (1973-09-01), Hardison
patent: 4477373 (1984-10-01), Grantham et al.
patent: 4557202 (1985-12-01), Warner
patent: 4574062 (1986-03-01), Weitman
Publication, "Chemische Technologic", vol. 2, 4th edition, Mar. 3, 1982, p. 15.

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