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Numerical Simulation of Combustion and Characteristics of Fly Ash and Slag in a “V-type” Waste Incinerator

Author

Listed:
  • Zixue Luo

    (State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Wei Chen

    (State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Yue Wang

    (State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Qiang Cheng

    (State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China)

  • Xiaohua Yuan

    (Grandblue Environment Co., Ltd., Foshan 528200, China)

  • Zhigang Li

    (Grandblue Environment Co., Ltd., Foshan 528200, China)

  • Junjie Yang

    (Grandblue Environment Co., Ltd., Foshan 528200, China)

Abstract

This study is focused on a “V-type” waste incinerator for municipal solid waste (MSW) combustion. Computational fluid dynamics (CFD) methods are used to study the MSW combustion process. The characteristics of fly ash and slag are analyzed by using a laser particle analyzer, scanning electron microscope, X-ray fluorescence, and X-ray diffraction. The results show that the error between the CFD simulation data and measured data is less than 10%, and the changing trend of the combustion process is well-modeled. The fly ash mainly has an irregular spherical or ellipsoid structure, whereas the slag mainly has an irregular porous structure. The main constituents of the ash and slag are CaO and SiO 2 , along with heavy metal elements such as Cu, Pb, and Cr.

Suggested Citation

  • Zixue Luo & Wei Chen & Yue Wang & Qiang Cheng & Xiaohua Yuan & Zhigang Li & Junjie Yang, 2021. "Numerical Simulation of Combustion and Characteristics of Fly Ash and Slag in a “V-type” Waste Incinerator," Energies, MDPI, vol. 14(22), pages 1-12, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:22:p:7518-:d:676440
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    References listed on IDEAS

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    1. Karim, Md Rezwanul & Bhuiyan, Arafat Ahmed & Sarhan, Abd Alhamid Rafea & Naser, Jamal, 2020. "CFD simulation of biomass thermal conversion under air/oxy-fuel conditions in a reciprocating grate boiler," Renewable Energy, Elsevier, vol. 146(C), pages 1416-1428.
    2. Altaf Hussain Kanhar & Shaoqing Chen & Fei Wang, 2020. "Incineration Fly Ash and Its Treatment to Possible Utilization: A Review," Energies, MDPI, vol. 13(24), pages 1-35, December.
    3. Marta Wiśniewska & Andrzej Kulig & Krystyna Lelicińska-Serafin, 2021. "Odour Nuisance at Municipal Waste Biogas Plants and the Effect of Feedstock Modification on the Circular Economy—A Review," Energies, MDPI, vol. 14(20), pages 1-22, October.
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    Cited by:

    1. Yongqi Liang & Jian Tang & Heng Xia & Loai Aljerf & Bingyin Gao & Mulugeta Legesse Akele, 2023. "Three-Dimensional Numerical Modeling and Analysis for the Municipal Solid-Waste Incineration of the Grate Furnace for Particulate-Matter Generation," Sustainability, MDPI, vol. 15(16), pages 1-22, August.
    2. Ziwei Chen & Beini He & Xidong Wang, 2023. "Advanced Utilization Technologies of Secondary Energy and Resources from Energy-Intensive Industries," Energies, MDPI, vol. 16(7), pages 1-3, March.
    3. Lianhong Chen & Chao Wang & Rigang Zhong & Zhuoge Li & Zheng Zhao & Ziyu Zhou, 2023. "Prediction of Main Parameters of Steam in Waste Incinerators Based on BAS-SVM," Sustainability, MDPI, vol. 15(2), pages 1-16, January.

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