Combustion – Combustion products return structure
Patent
1992-07-13
1994-01-04
Price, Carl D.
Combustion
Combustion products return structure
431 9, 431159, 431154, 431181, 431187, 431284, F23L 700, F23L 900
Patent
active
052755541
ABSTRACT:
A low NO.sub.x combustion system for reducing the production of nitrogen oxides in its emissions by using a low NO.sub.x adapter assembly in conjunction with a heat exchanger and a standard burner. The low NO.sub.x adapter assembly includes a low NO.sub.x manifold housing coupled between the heat exchanger and the burner, a flue gas recirculating fan coupled to the stack of the heat exchanger and the low NO.sub.x manifold housing and an operating control mechanism for controlling and regulating the primary air, the recirculated flue gas and the fuel to the burner and the low NO.sub.x manifold housing. NO.sub.x is reduced by supplying recirculated flue gas and a secondary fuel into the combustion chamber of the heat exchanger adjacent the outlet end of the burner via the low NO.sub.x manifold housing.
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Power-Flame, Inc.
Price Carl D.
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