Combustion – Fuel disperser installed in furnace – Plural feed means extending to common wall opening of furnace
Patent
1977-05-20
1978-05-16
Dority, Jr., Carroll B.
Combustion
Fuel disperser installed in furnace
Plural feed means extending to common wall opening of furnace
431173, 431175, 239406, F23M 908, F23C 518
Patent
active
040896374
ABSTRACT:
A fuel admission assembly for a tangentially fired furnace that utilizes oil, gas, or other utility grade fuels. The assembly disclosed has the ability to achieve a positive control of the air flow through a specially designed swirler. Because of this unique feature of its design, this assembly will permit efficient tangential boiler operation at 5% excess air or less over a fuel turndown ratio of at least 3 to 1 on each assembly. At the same time, it will not produce unacceptable levels of noxious emissions such as oxides of nitrogen, carbonaceous soot or sulfur smuts over its full operating range. Finally, it requires no additional fan head (windbox pressure drop).
REFERENCES:
patent: 1665800 (1928-04-01), Strachan et al.
patent: 1910735 (1933-05-01), Zikesch
patent: 2883948 (1959-04-01), Seidl
patent: 3723049 (1973-03-01), Juricek
Horan David Joseph
Smith Donald Arthur
Combustion Engineering Inc.
Dority Jr. Carroll B.
Lang Wayne H.
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