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A Comparative Study of the Performance of Different Particle Models in Simulating Particle Charging and Burden Distribution in a Blast Furnace within the DEM Framework

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  • Huaqing Ma

    (Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
    These authors contributed equally to this work.)

  • Xiuhao Xia

    (Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
    These authors contributed equally to this work.)

  • Lianyong Zhou

    (Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China)

  • Chao Xu

    (Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China)

  • Zihan Liu

    (Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China)

  • Tao Song

    (State Key Laboratory of Process Automation in Mining & Metallurgy, Beijing 100160, China
    Beijing Key Laboratory of Process Automation in Mining & Metallurgy, Beijing 100160, China)

  • Guobin Zou

    (State Key Laboratory of Process Automation in Mining & Metallurgy, Beijing 100160, China
    Beijing Key Laboratory of Process Automation in Mining & Metallurgy, Beijing 100160, China)

  • Yanlei Liu

    (Hangzhou Special Equipment Inspection and Research Institute, Hangzhou 310051, China)

  • Ze Huang

    (Hangzhou Special Equipment Inspection and Research Institute, Hangzhou 310051, China)

  • Xiaoling Liao

    (Hangzhou Special Equipment Inspection and Research Institute, Hangzhou 310051, China)

  • Yongzhi Zhao

    (Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China)

Abstract

There has been growing interest in applying the DEM (discrete element method) to study the charging and burden distribution in a BF (blast furnace). In practice, the real particles in a BF are non-spherical. However, spherical particles have mostly been used in previous DEM investigations. Furthermore, various particle models have been developed to describe non-spherical particles. However, the effects of using different particle models on particle behavior in a BF are still unclear. Therefore, a comparative study of how the particle shape model impacts the burden charging in a BF was conducted. Specifically, the DEM using a multi-sphere model, polyhedral model, and super-ellipsoid model was first established. Then, experiments and DEM simulations of the charging and burden distribution of non-spherical quartz sand particles in a lab-scale bell-less top BF were performed. The results indicated that the number of sub-spheres, the principle of creating the particle for multi-spheres, the number of planes for polyhedrons, and the shape indices for super-ellipsoids could all affect the accuracy and efficiency. Moreover, applying the super-ellipsoid model and multi-sphere model could achieve reasonable accuracy and efficiency, with the highest simulation accuracy for the polyhedral model but at the cost of a rather heavy computational burden.

Suggested Citation

  • Huaqing Ma & Xiuhao Xia & Lianyong Zhou & Chao Xu & Zihan Liu & Tao Song & Guobin Zou & Yanlei Liu & Ze Huang & Xiaoling Liao & Yongzhi Zhao, 2023. "A Comparative Study of the Performance of Different Particle Models in Simulating Particle Charging and Burden Distribution in a Blast Furnace within the DEM Framework," Energies, MDPI, vol. 16(9), pages 1-21, May.
  • Handle: RePEc:gam:jeners:v:16:y:2023:i:9:p:3890-:d:1139367
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    References listed on IDEAS

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    1. Zihan Liu & Huaqing Ma & Yongzhi Zhao, 2021. "CFD-DEM Simulation of Fluidization of Polyhedral Particles in a Fluidized Bed," Energies, MDPI, vol. 14(16), pages 1-19, August.
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    Cited by:

    1. Sylwia Polesek-Karczewska & Paulina Hercel & Behrouz Adibimanesh & Izabela Wardach-Świȩcicka, 2024. "Towards Sustainable Biomass Conversion Technologies: A Review of Mathematical Modeling Approaches," Sustainability, MDPI, vol. 16(19), pages 1-43, October.
    2. Igor Litvinchev & Andreas Fischer & Tetyana Romanova & Petro Stetsyuk, 2024. "A New Class of Irregular Packing Problems Reducible to Sphere Packing in Arbitrary Norms," Mathematics, MDPI, vol. 12(7), pages 1-17, March.
    3. Izabela Wardach-Świȩcicka & Dariusz Kardaś, 2024. "Biomass Moving Bed Combustion Analysis via Two-Way Coupling of Solid–Fluid Interactions Using Discrete Element Method and Computational Fluid Dynamics Method," Energies, MDPI, vol. 17(14), pages 1-26, July.

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