Air preheating means at a vertical steam or hot water boiler

Details Air preheating means at a vertical steam or hot water boiler Air preheating means at a vertical steam or hot water boiler

1978-03-08

1980-03-11

Favors, Edward G.

Liquid heaters and vaporizers

Flue

Vertical

122121, F22B 712

Patent

active

041922603

ABSTRACT:
A vertical steam or hot water boiler comprises a convection part and an aligned final combustion chamber. A flame tube passes centrally through the convection part, communicating at its lower end with the combustion chamber, and is provided with a burner at its upper end. An air preheating chamber is provided on top of the convection part, being separated from a turning chamber for the smoke gases by a common wall, a portion of said air preheating chamber extending towards the flame tube. The burner head is surrounded by a labyrinth formed by baffles, directing air form the air chamber to the burner.

REFERENCES:
patent: 2173115 (1939-09-01), Hutto
patent: 2787256 (1957-04-01), Ilune
patent: 3638622 (1972-02-01), Ostbo

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