Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor

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F23C 2900/01001 Co-combustion of biomass with coal
F23C 2900/03001 Miniaturized combustion devices using fluid fuels
F23C 2900/03002 Combustion apparatus adapted for incorporating a fuel reforming device
F23C 2900/03003 Annular combustion chambers
F23C 2900/03004 Tubular combustion chambers with swirling fuel/air flow
F23C 2900/03005 Burners with an internal combustion chamber, e.g. for obtaining an increased heat release, a high speed jet flame or being used for starting the combustion
F23C 2900/03006 Reverse flow combustion chambers
F23C 2900/03007 Sealed combustion chambers with balanced flue
F23C 2900/03008 Spherical or bulb-shaped combustion chambers
F23C 2900/03009 Elongated tube-shaped combustion chambers
F23C 2900/05081 Disposition of burners relative to each other creating specific heat patterns
F23C 2900/05082 Disposition of radial jet burners in relation to an impingement surface, e.g. a heat transfer surface, to obtain flame re-attachment combustion
F23C 2900/06041 Staged supply of oxidant
F23C 2900/06042 Annular arrangement of burners in a furnace, e.g. in a gas turbine, operated in alternate lean-rich mode
F23C 2900/06043 Burner staging, i.e. radially stratified flame core burners
F23C 2900/07001 Air swirling vanes incorporating fuel injectors
F23C 2900/07002 Premix burners with air inlet slots obtained between offset curved wall surfaces, e.g. double cone burners
F23C 2900/07021 Details of lances
F23C 2900/07022 Delaying secondary air introduction into the flame by using a shield or gas curtain
F23C 2900/09001 Cooling flue gas before returning them to flame or combustion chamber