LIU Boqian, GUO Yong, ZHAO Yumin, WANG Jinxin, QI Feng. Combustion behaviour of chip-shaped particles in a circulating fluidized bed boiler(Ⅰ): Discription of particle morphology and characteristics of fluidization quality[J]. Chinese Journal of Engineering, 2005, 27(2): 159-163. DOI: 10.13374/j.issn1001-053x.2005.02.040
Citation: LIU Boqian, GUO Yong, ZHAO Yumin, WANG Jinxin, QI Feng. Combustion behaviour of chip-shaped particles in a circulating fluidized bed boiler(Ⅰ): Discription of particle morphology and characteristics of fluidization quality[J]. Chinese Journal of Engineering, 2005, 27(2): 159-163. DOI: 10.13374/j.issn1001-053x.2005.02.040
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Combustion behaviour of chip-shaped particles in a circulating fluidized bed boiler(Ⅰ): Discription of particle morphology and characteristics of fluidization quality

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  • The effectiveness of classical sphericity and Krumbein sphericity was compared to discribe chip-shaped fossil fuel, and the influence of sphericity on fiuidization characteristics was studied. Some special pheno-mina in a 50 MW circulating fluidized bed boiler using an anthracit with Krumbein sphericities of 0.2-0.4 were discussed such as obvious fluctuations of dense phase temperature and furnace pressure as well as draining cold ash during operation, which can be explained by particle mophology.
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