Economizer utilizing exhaust gas

Details Economizer utilizing exhaust gas Economizer utilizing exhaust gas

1976-08-26

1978-03-21

Sprague, Kenneth W.

Liquid heaters and vaporizers

Feed heaters

Offtake flue

122510, 165133, 165134, F22D 102, F22B 3724, F28F 1902

Patent

active

040797023

ABSTRACT:
The present invention discloses an economizer for absorbing heat of combustion products, wherein the surfaces of a series of continuous tubes extended through an exhaust gas pipe or duct are lined with glass pipes, the clearance between the exhaust pipe or duct wall and the tubes extended therethrough is sealed with gaskets, and water is circulated through the tubes.

REFERENCES:
patent: 1919192 (1933-07-01), Behr
patent: 2412568 (1946-12-01), Donahue et al.
patent: 3231014 (1966-01-01), Koenig
patent: 3918411 (1975-11-01), Wolowodiuk

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