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An Analysis of the Use of Fluidized-Bed Heat Exchangers for Heat Recovery
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The principles of fluidized-bed operation and the factors affecting the performance of a fluidized-bed waste heat boiler (FBWHB) are discussed in detail. Factors included in the discussion are bed temperature and pressure, heat transfer coefficient, gas properties, solids properties, and tube geometry. Qualitatively, no operating or technical difficulties are envisioned for employing fluidized-bed units in waste heat boiler applications. Fluidized-bed units generally require a minimum of operating attention and maintenance and the installation of an adequate control system. A general FBWHB design methodology is presented along with a preliminary engineering design for a space heating application. A flowsheet, mass balance, and equipment sizes are presented for a FBWHB system that would produce hot water by recovering part of the heat energy contained in a hot gas.
Vogel, G. J.; Grogan, P. J. (1980). An Analysis of the Use of Fluidized-Bed Heat Exchangers for Heat Recovery. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from