Pressurized fluidized bed reactor - KTH

corresponds to a bed material particle size of about 1/5-1/10 of the fuel size due to thedifferences in density. The volume of the bed material is about 2 litres, corresponding toabout 3 kg. The primary bed material is quartz sand - silver sand. The fluidising gas andgasifying agent is normally mixture of nitrogen and oxygen corresponding to a dilutedair.NitrogenFuel hopperNitrogenArgonFeederOxygenPreheaterCatalystQuenchReformerFilterGasAnalysisFluid bedreactorSteamsuperheaterrSteamWaterGasburnerGasanalysisAshSootPressurevalveAshNitrogenStreamgeneratorWaterWaterCondenserWaterFigure 3.2. Pressurised fluidised bed reactor (LDU).