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

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F23Combustion devices F23CCOMBUSTION APPARATUS USING FLUENT FUEL

F23C2900/00Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air Combustion processes therefor

F23C2900/01001Co-combustion of biomass with coal F23C2900/03001Miniaturized combustion devices using fluid fuels F23C2900/03002Combustion apparatus adapted for incorporating a fuel reforming device F23C2900/03003Annular combustion chambers F23C2900/03004Tubular combustion chambers with swirling fuel/air flow F23C2900/03005Burners with an internal combustion chamber F23C2900/03006Reverse flow combustion chambers F23C2900/03007Sealed combustion chambers with balanced flue F23C2900/03008Spherical or bulb-shaped combustion chambers F23C2900/03009Elongated tube-shaped combustion chambers F23C2900/05081Disposition of burners relative to each other creating specific heat patterns F23C2900/05082Disposition of radial jet burners in relation to an impingement surface F23C2900/06041Staged supply of oxidant F23C2900/06042Annular arrangement of burners in a furnace F23C2900/06043Burner staging F23C2900/07001Air swirling vanes incorporating fuel injectors F23C2900/07002Premix burners with air inlet slots obtained between offset curved wall surfaces F23C2900/07021Details of lances F23C2900/07022Delaying secondary air introduction into the flame by using a shield or gas curtain F23C2900/09001Cooling flue gas before returning them to flame or combustion chamber F23C2900/09002Specific devices inducing or forcing flue gas recirculation F23C2900/10001Use of special materials for the fluidized bed F23C2900/10002Treatment devices for the fluidizing gas F23C2900/10003Fluidized beds with expanding freeboard F23C2900/10004Adding inert bed material to maintain proper fluidized bed inventory F23C2900/10005Arrangement comprising two or more beds in separate enclosures F23C2900/10006Pressurized fluidized bed combustors F23C2900/10007Spouted fluidized bed combustors F23C2900/10008Special arrangements of return flow seal valve in fluidized bed combustors F23C2900/13001Details of catalytic combustors F23C2900/13002Catalytic combustion followed by a homogeneous combustion phase or stabilizing a homogeneous combustion phase F23C2900/99001Cold flame combustion or flameless oxidation processes F23C2900/99003Combustion techniques using laser or light beams as ignition, stabilization or combustion enhancing means F23C2900/99004Combustion process using petroleum coke or any other fuel with a very low content in volatile matters F23C2900/99005Combustion techniques using plasma gas F23C2900/99006Arrangements for starting combustion F23C2900/99008Unmixed combustion, i.e. without direct mixing of oxygen gas and fuel, but using the oxygen from a metal oxide F23C2900/99009Combustion process using vegetable derived fuels F23C2900/9901Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel F23C2900/99011Combustion process using synthetic gas as a fuel