F23RGENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures F23C10/16In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. F23R3/00 F23R3/00Continuous combustion chambers using liquid or gaseous fuel F23R3/002Wall structures F23R3/02 and F23R3/007 take precedence F23R3/005Combined with pressure or heat exchangers F23R3/007constructed mainly of ceramic components F23R3/02characterised by the air-flow or gas-flow configuration reverse- flow combustion chambers F23R3/54; cyclone or vortex type combustion chambers F23R3/58 F23R3/04Air inlet arrangements F23R3/045using pipes F23R3/06Arrangement of apertures along the flame tube F23R3/08between annular flame tube sections, e.g. flame tubes with telescopic sections F23R3/10for primary air F23R3/06, F23R3/045 take precedence F23R3/12inducing a vortex F23R3/14by using swirl vanes F23R3/16with devices inside the flame tube or the combustion chamber to influence the air or gas flow F23R3/18Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants F23R3/20incorporating fuel injection means F23R3/22movable, e.g. to an inoperative positionadjustable, e.g. self-adjusting F23R3/24of the fluid-screen type F23R3/26Controlling the air flow F23R3/28characterised by the fuel supply burners F23D F23R3/283Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances F23R3/286having fuel-air premixing devices F23R3/30 takes precedence F23R3/30comprising fuel prevapourising devices F23R3/32being tubular F23R3/34Feeding into different combustion zones F23R3/343Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion ignition in gas-turbine plants F02C7/264; pilot flame igniters F23Q9/00 F23R3/346for staged combustion F23R3/36Supply of different fuels F23R3/38comprising rotary fuel injection means F23R3/40characterised by the use of catalytic means F23R3/42characterised by the arrangement or form of the flame tubes or combustion chambers F23R3/425Combustion chambers comprising a tangential or helicoidal arrangement of the flame tubes F23R3/44Combustion chambers comprising a single tubular flame tube within a tubular casing reverse-flow combustion chambers F23R3/54 F23R3/46Combustion chambers comprising an annular arrangement of several essentially tubular flame tubes within a common annular casing or within individual casings F23R3/48Flame tube interconnectors, e.g. cross-over tubes F23R3/50Combustion chambers comprising an annular flame tube within an annular casing toroidal combustion chambers F23R3/52 F23R3/52Toroidal combustion chambers F23R3/54Reverse-flow combustion chambers F23R3/56Combustion chambers having rotary flame tubes F23R3/58Cyclone or vortex type combustion chambers F23R3/60Support structuresAttaching or mounting means F23R5/00Continuous combustion chambers using solid or pulverulent fuel F23R7/00Intermittent or explosive combustion chambers F23R2900/00 F23R2900/00Special features of, or arrangements for continuous combustion chambersCombustion processes therefor F23R2900/00001Arrangements using bellows, e.g. to adjust volumes or reduce thermal stresses F23R2900/00002Gas turbine combustors adapted for fuels having low heating value [LHV] F23R2900/00004Preventing formation of deposits on surfaces of gas turbine components, e.g. coke deposits F23R2900/00005Preventing fatigue failures or reducing mechanical stress in gas turbine components F23R2900/00006Using laser for starting or improving the combustion process F23R2900/00008Combustion techniques using plasma gas plasma torches F23R2900/00009 F23R2900/00009Using plasma torches for igniting, stabilizing, or improving the combustion process F23R2900/00012Details of sealing devices F23R2900/00013Reducing thermo-acoustic vibrations by active means F23R2900/00014Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators silence apparatus using resonance F01N1/023 F23R2900/00015Trapped vortex combustion chambers F23R2900/00016Retrofitting in general, e.g. to respect new regulations on pollution F23R2900/00017Assembling combustion chamber liners or subparts F23R2900/00018Manufacturing combustion chamber liners or subparts F23R2900/00019Repairing or maintaining combustion chamber liners or subparts F23R2900/03041Effusion cooled combustion chamber walls or domes F23R2900/03042Film cooled combustion chamber walls or domes F23R2900/03043Convection cooled combustion chamber walls with means for guiding the cooling air flow means for creating turbulence F23R2900/03045 F23R2900/03044Impingement cooled combustion chamber walls or subassemblies F23R2900/03045Convection cooled combustion chamber walls provided with turbolators or means for creating turbulences to increase cooling F23R2900/03281Intermittent fuel injection or supply with plunger pump or other means therefor F23R2900/03282High speed injection of air and/or fuel inducing internal recirculation F23R2900/03341Sequential combustion chambers or burners F23R2900/03342Arrangement of silo-type combustion chambers F23R2900/03343Pilot burners operating in premixed mode