The Lurgi/Combustion Engineering Circulating Fluidized Bed Boiler Design and Operation
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ABSTRACT The patented Lurgi Circulating Fludized Bed (CFB) technology has been successfully applied to combustion of widely varying fuels for the purpose of steam generation. The consortium of Combustion Engineering (C-E) and Lurgi currently offer efficient, reliable CFB steam generators to the industrial and utility market. Many units have been sold, with several in various stages of operation. This paper describes the Lurgi CFB process as applied to steam generation, the major features of the C-E-Lurgi CFB steam generator, and many of the units in operation or under design. In particular, the advantages of the external Fluid Bed Heat Exchanger (FBHE), an optional piece of equipment in the C-E/Lurgi CFB, is discussed.