Three stage low NO

x x The present invention is an air-staged low NOburner for firing a gaseous fuel. The burner fires three stages, with the first stage of combustion taking place substantially within a burner cup section of a refractory baffle, the second stage of combustion taking place adjacent to the baffle and d...

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Bibliographic Details
Main Authors Feese, James J, Wartluft, Bruce A
Format Patent
LanguageEnglish
Published 16.01.2007
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Summary:x x The present invention is an air-staged low NOburner for firing a gaseous fuel. The burner fires three stages, with the first stage of combustion taking place substantially within a burner cup section of a refractory baffle, the second stage of combustion taking place adjacent to the baffle and downstream of the baffle, and the third stage of combustion within a furnace. The flow of main combustion air adjacent to the baffle creates a negative pressure zone adjacent to the baffle. The present invention is also a method for low NOstaged combustion.