Heat transfer in a large-scale circulating fluidized bed boiler |
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| Authors: | Cheng Leming Wang Qinhui Shi Zhenglun Luo Zhongyang Ni Mingjiang and Cen Kefa |
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| Affiliation: | (1) Institute for Thermal Power Engineering, State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, China |
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| Abstract: | Heat transfer of a furnace in a large-scale circulating fluidized bed (CFB) boiler was studied based on the analysis of available
heat transfer coefficient data from typical industrial CFB boilers and measured data from a 12 MWe, a 50 MWe and a 135 MWe CFB boiler. The heat transfer of heat exchanger surfaces in a furnace, in a steam/water cooled cyclone, in an external heat
exchanger and in the backpass was also reviewed. Empirical correlation of heat transfer coefficient was suggested after calculating
the two key parameters, solids suspension density and furnace temperature. The correlation approach agrees well with the data
from the large-scale CFB boilers.
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Translated from Journal of Power Engineering, 2006, 26(3): 305–310 (in Chinese) 译自: 动力工程] |
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| Keywords: | engineering heat transfer circulating fluidized bed (CFB) heat transfer boiler industrial boiler |
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