Circulating fluidized bed(CFB) boiler can cleanly and economically burn all kinds of solid fuels,it especially has irreplaceable action to appropriate use low grade coal.CFB boiler has been widely researched and applied in later year.It presents an overview of advancements of CFB boiler technology in China,including technologies and configuration and progress of scaling up.The imported 300MW CFB boiler has been applied sucessfulel in demonstration project.the key technologies of large CFB boiler have been r...