Combustion – Fuel disperser installed in furnace – Spaced fuel dispersing orifices within furnace
Patent
1978-09-05
1981-03-24
Scott, Samuel
Combustion
Fuel disperser installed in furnace
Spaced fuel dispersing orifices within furnace
431187, 431217, 431284, 431348, 2394245, F23C 508
Patent
active
042577624
ABSTRACT:
A multi-fuel gas burner using preheated forced draft air, comprising a cylindrical inner burner tube, supported by the wall of a furnace, and inserted into an opening in said wall, and including means to inject through the upstream end combustion air preheated to a selected temperature, and compressed to a selected pressure. The downstream end of the inner burner tube closed, and a plurality of longitudinal slots, circumferentially spaced, in the wall of the tube at the closed end. Means to inject rich fuel gas up to 3,500 btu/cu feet under selected pressure into the inner burner tube along its axis. An outer burner tube axially surrounding said inner burner tube and forming an annular passage therebetween. Means to pass low pressure, lean, combustible gas of as low as 50 btu/cu feet down said annular passage and outwardly through a circumferential slot at the end of said outer burner tube inside the furnace. The hot combustion air and rich gas flowing through the inner burner tube and radially outwardly and rearwardly through the plurality of slots, flow against and mix with the lean gas flowing outwardly through the circumferential slot, and burn against the surface of a tile, having a central opening, through which the burner is inserted into the furnace.
REFERENCES:
patent: 370251 (1887-09-01), Field
patent: 1779647 (1930-10-01), Van Brunt
patent: 3123127 (1964-03-01), Willott
patent: 3139138 (1964-06-01), Bloom
patent: 3182712 (1965-05-01), Zink et al.
patent: 3663153 (1972-05-01), Bagge et al.
patent: 4045160 (1977-08-01), Michels
Glomm Horst M.
Reed Robert D.
Sawatski Klaus E.
Zink John S.
Barrett Lee E.
John Zink Company
Scott Samuel
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