Process and apparatus for ducting flue gas within a boiler

Details Process and apparatus for ducting flue gas within a boiler Process and apparatus for ducting flue gas within a boiler

1979-06-11

1981-09-29

Yuen, Henry C.

Liquid heaters and vaporizers

Flue

Horizontal

122 20B, 122182R, 122421, F22B 700

Patent

active

042916496

ABSTRACT:
In the boiler plant the flue gases coming from the firing space undergo division into at least two part-currents which are cooled to different degrees by giving up heat to a heat exchange medium and are then mixed together partly for producing a gas current with a desired temperature dependent on the rates of mixing of the two part-currents. The mixed current is then taken up by a heat user. Parts of the flue gases not going to the heat user are run through all heat absorbers of the system as far as the off-gas stack. The amounts of the part-currents of flue gases, used for forming the gas current with the desired temperature of mixing, are controlled dependent on the mixing temperature.

REFERENCES:
patent: 794821 (1905-07-01), Suzuki
patent: 1402045 (1922-01-01), Brunett
patent: 1711365 (1929-04-01), Summers
patent: 1734490 (1929-11-01), Jones
patent: 2020686 (1935-11-01), Kaiser
patent: 3035408 (1962-05-01), Silver
patent: 3908604 (1975-09-01), Vocklinghaus
patent: 4005578 (1977-02-01), McInerney

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