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Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed

Author

Listed:
  • Guiying Wu

    (Beijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, China)

  • Bangting Yu

    (CNOOC Research Institute, Beijing 100028, China)

  • Yanjun Guan

    (Beijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, China)

  • Xuehui Wu

    (Beijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, China)

  • Kai Zhang

    (Beijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, China)

  • Yongli Li

    (Beijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, China)

Abstract

Aiming to better understand the biomass pyrolysis and gasification processes, a detailed experimental study of the mixing characteristics is conducted in a fluidized bed with binary mixtures. Rapeseed is used as biomass, and silica sand or resin as inert material. The effect of mixture composition, initial packing manner, and superficial gas velocity on the concentration distribution is investigated in a rectangular fluidized bed by means of photography and sampling methods. The results show that the mixture composition plays an important role in the axial solids profile of binary mixtures. The mixing behavior of binary mixture is dominated by the bubble movement. The axial distribution of binary mixtures becomes uniform with increasing superficial gas velocity, whilst no obvious effect of initial packing manner is observed in this study.

Suggested Citation

  • Guiying Wu & Bangting Yu & Yanjun Guan & Xuehui Wu & Kai Zhang & Yongli Li, 2019. "Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed," Energies, MDPI, vol. 12(10), pages 1-8, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:10:p:2011-:d:234389
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    References listed on IDEAS

    as
    1. R. Rao, T & Ram. Bheemarasetti, J.V, 2001. "Minimum fluidization velocities of mixtures of biomass and sands," Energy, Elsevier, vol. 26(6), pages 633-644.
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