Combustion – Process of combustion or burner operation – Flame shaping – or distributing components in combustion zone
Patent
1998-02-09
1999-11-30
Lazarus, Ira S.
Combustion
Process of combustion or burner operation
Flame shaping, or distributing components in combustion zone
431 12, 431174, 431285, 239562, 239551, F23C 500
Patent
active
059931930
ABSTRACT:
A gas fired burner is provided for use in applications such as chemical process furnaces for process heaters in refineries and chemical plants, and the like. The burner is provided with a plurality of fuel gas inlets for enabling manipulation of the flame shape and combustion characteristics of the burner, based upon variation in the distribution of fuel gas between the various fuel gas inlets.
A combination pilot and flame holder for a burner, such as may be used in process heaters and furnaces for refineries, chemical plants and the like, is also provided. The pilot is mounted atop a supply pipe for premixed fuel and air, which is positioned in the bore of a burner quarl. The pilot includes a radially outwardly extending flange which is upstream of a surface combustion flame holder for establishing a radially directed surface combustion flame.
The present invention also provides a low-emissions burner and pilot system for use in such process heaters and furnaces.
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Benson Charles E.
Loftus Peter J.
Martin Richard R.
Pellizzari Roberto O.
Cocks Josiah C
Gas Research, Inc.
Lazarus Ira S.
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