Heat exchanger method and apparatus

Details Heat exchanger method and apparatus Heat exchanger method and apparatus

1987-04-03

1988-10-11

Davis, Jr., Albert W.

Heat exchange

With first fluid holder or collector open to second fluid

Separate external discharge port for each fluid

165133, 165180, 165913, 165909, 165921, F28F 1318, F28B 100

Patent

active

047763914

ABSTRACT:
An exhaust gas containing sulfur trioxide is passed through a first heat exchanger which cools the gas to a temperature which is above the sulfur trioxide dewpoint, so that condensation of sulfur trioxide does not occur in the first heat exchanger, but below a material limit operating temperature of a second heat exchanger, which further cools the gas below the sulfur trioxide dewpoint, whereby the first heat exchanger is protected against corrosion and the second heat exchanger is protected against thermal damage.

REFERENCES:
patent: 2424587 (1947-07-01), Smith et al.
patent: 2801830 (1957-08-01), Frisch
patent: 2838287 (1958-06-01), Kuhner
patent: 4286528 (1981-09-01), Willard

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