Radiant tube burner

Details Radiant tube burner Radiant tube burner

1988-05-16

1989-08-15

Green, Randall L.

Stoves and furnaces

Stoves

Heating

432180, F24C 300

Patent

active

048564923

ABSTRACT:
The present invention relates to a low NOx radiant tube burner. The radiant tube burner consists of; a primary combustion chamber which is located outside of the furnace and having an injection outlet of the combustion gas located approximately more inside of the furnace than the bung of the radiant tube, a primary fuel nozzle which injects primary fuel into the primary combustion chamber, and a secondary fuel nozzle which is surrounded with refractory material and injects secondary fuel into the radiant tube from the area adjacent to the injection outlet. Approximately the total amount of the combustion air is supplied into the primary combustion chamber with primary fuel under a high excess air ratio creating primary combustion. The low concentration of oxygen remaining in the primary combustion gas combined with the secondary fuel creates secondary combustion.

REFERENCES:
patent: 4604051 (1986-08-01), Davies et al.
patent: 4712734 (1987-12-01), Johnson
patent: 4730599 (1988-03-01), Kendall et al.
RCB-Regenerative Ceramic Burner, Jun. 1983, "The Energy Savers Hotwork Development", West Yorkshire, U.K.
Industrial Heating, Sep. 1985, Japan Industrial Furnace Man. Ass., '86/11.
North American "Twin Bed Heat Reclamation Systems", North American Mfg. Co., Sep. 1985.

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