Combustion – Combustion products return structure – Recirculation about mixing or combustion chamber wall or baffle
Patent
1993-07-20
1994-09-27
Dority, Carroll B.
Combustion
Combustion products return structure
Recirculation about mixing or combustion chamber wall or baffle
431 9, F23M 300
Patent
active
053502930
ABSTRACT:
A method for two-stage combustion in which a mixture of fuel and primary combustion air is burned in a primary combustion zone, the primary combustion air comprising less than a stoichiometric requirement for complete combustion of the fuel, a portion of cooled partial combustion products formed in the primary combustion zone is recirculated from a downstream end of the primary combustion zone to an upstream end of the primary combustion zone, secondary combustion air is introduced into a secondary combustion zone downstream of the primary combustion zone, a portion of the heat from the primary combustion zone is removed, cooling the partial combustion products formed therein, and the heat is transported away from the combustion process. An apparatus for two-stage combustion in accordance with this method is also disclosed.
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Abbasi Hamid A.
Cygan David F.
Khinkis Mark J.
Dority Carroll B.
Institute of Gas Technology
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