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TECHNICAL PAPERS: Internal Combustion Engines: Power

Design and Performance Verification of a 62-MWt CFB Boiler

[+] Author and Article Information
K. Cen, L. Cheng, M.-X. Fang, Z.-Y. Luo

Department of Energy Engineering, Zhejiang University, Hangzhou, 310027, China

P. Basu

Department of Mechanical Engineering, DalTech Dalhousie University, Canada B3J 2X4

J. Eng. Gas Turbines Power 123(1), 240-245 (Jun 27, 2000) (6 pages) doi:10.1115/1.1340621 History: Received June 18, 2000; Revised June 27, 2000
Copyright © 2001 by ASME
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References

Fang, M. X., Luo, Z. Y., Li, X. T., Wang, Q. H., Shi, Z. L., Ni, M. J., and Cen, K. F., 1997, “Development of the First Demonstration CFB Boiler for Gas and Steam Cogeneration,” Proceedings of the 14th International Conference on Fluidized Bed Combustion, F. D. S. Preto, ed., Vancouver, BC, Canada, May 11–14, ASME, New York, NY, pp. 663–669.
Basu,  P., and Mitra,  S., 1994, “Application of an Expert System to the Design of Furnace of a Circulating Fluidized Bed Boiler,” ASME J. Eng. Gas Turbines Power, 116, pp. 462–467.
CFBCAD©, an Expert System, 1996, Greenfield Research Inc., P.O. Box 25018, Halifax, Canada B3M 4H4.
LaFanechere,  L., Basu,  P., and Jestin,  L., 1998, “Use of an Expert System to Study the Effect of Steam Parameters on the Size and Configuration of Circulating Fluidized Bed Boilers,” ASME J. Eng. Gas Turbines Power, 120, pp. 861–866.
Basu, P., and Fraser, S. A., 1991, “Design Considerations,” Circulating Fluidized Bed Boiler—Design and Operations, Butterworth-Heinemann, Boston, pp. 174–184.
Tang, J. T., and Engstrom, F., 1987, “Technical Assessment on the Ahlstrom Pyroflow Circulating and Conventional Bubbling Fluidized Bed Combustion Systems,” Proceedings of the 9th International Conference on Fluidized Bed Combustion, J. P. Mustonen, ed., Boston, May 3–7, ASME, New York, pp. 38–54.
Luo, Z. Y., Ni, M. J., Zhou, J. H., Cheng, L. M., Chang, Z. J., and Cen, K. F., 1989, “Solids Recycle System for Circulating Fluidized Beds,” Proceedings of the 10th International Conference on Fluidized Bed Combustion, A. M. Manaker, ed., San Francisco, April 30–May 3, ASME, New York, pp. 557–562.

Figures

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62-MWt circulating fluidized bed boiler side elevation
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Design procedure used by CFBCAD©
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Heat duty distribution by manual design and the Expert System
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Heat-transfer surface area by manual design and the Expert System
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Heat duty distribution to different heat-transfer surfaces at different boiler loads
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Combustion efficiency, boiler efficiency, and bed temperature variations with boiler load
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Superficial gas velocity and SA/PA ratio variations with boiler load
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Heat absorbed by the EHE during boiler load variations

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