Condensing furnaces

Details Condensing furnaces Condensing furnaces

1983-04-29

1984-10-23

O'Connor, Daniel J.

Furnaces

With exhaust gas treatment means

Means contacting exhaust gas with liquid

110343, 126 99A, 126109, F23J 1500

Patent

active

044781580

ABSTRACT:
An improvement in a condensing furnace where gaseous products of combustion are ducted through fin tube condensers that act to heat incoming air. The improvement involves spraying water into the products of combustion upstream of the fin tube condenser, so that the sprayed water droplets mix intimately with the products of combustion and are thus vaporized. In this manner, the combined water vapor and gaseous combustion products can condense in the fin tube condenser to create a liquid condensate of which the pH is closer to neutral than would have been the case in the absence of the sprayed water.

REFERENCES:
patent: 2218281 (1940-10-01), Ridder
patent: 2297666 (1940-03-01), Wachter
patent: 3601070 (1971-08-01), Lambiris
patent: 3604375 (1971-09-01), Bruns
patent: 3615165 (1971-10-01), Clement
patent: 3716339 (1973-02-01), Shigaki
patent: 3745939 (1973-07-01), Allbritton
patent: 4168291 (1979-09-01), Libutti
patent: 4224180 (1980-09-01), Sujdak
patent: 4272496 (1981-06-01), Powell
patent: 4396434 (1983-08-01), Forster

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