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Numerical analysis of the combustion of straw and wood in a stoker boiler with vibrating grate

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  • Kobyłecki, Rafał
  • Zarzycki, Robert
  • Bis, Zbigniew
  • Panowski, Marcin
  • Wiński, Mateusz

Abstract

The hydrodynamics of a biomass-fired 90 MW stoker boiler with vibrating grate was numerically investigated in order to improve the air distribution and gas mixing and boiler performance, as well as to decrease the fouling of the furnace membrane walls. The numerical calculations were supported by experimental visualization and data from a laboratory model of the boiler. The results indicated that by the optimization of the fuel spreading and distribution of secondary air significant improvement of the boiler performance and reduction of the fouling rate may be achieved.

Suggested Citation

  • Kobyłecki, Rafał & Zarzycki, Robert & Bis, Zbigniew & Panowski, Marcin & Wiński, Mateusz, 2021. "Numerical analysis of the combustion of straw and wood in a stoker boiler with vibrating grate," Energy, Elsevier, vol. 222(C).
    • Handle: RePEc:eee:energy:v:222:y:2021:i:c:s0360544221001973
    DOI: 10.1016/j.energy.2021.119948
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    References listed on IDEAS

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    1. Li, Fenghai & Li, Yang & Fan, Hongli & Wang, Tao & Guo, Mingxi & Fang, Yitian, 2019. "Investigation on fusion characteristics of deposition from biomass vibrating grate furnace combustion and its modification," Energy, Elsevier, vol. 174(C), pages 724-734.
    2. Yu, Zhaosheng & Ma, Xiaoqian & Liao, Yanfen, 2010. "Mathematical modeling of combustion in a grate-fired boiler burning straw and effect of operating conditions under air- and oxygen-enriched atmospheres," Renewable Energy, Elsevier, vol. 35(5), pages 895-903.
    3. Hu, Zhongfa & Wang, Xuebin & Zhang, Lan & Yang, Shunzhi & Ruan, Renhui & Bai, Shengjie & Zhu, Yiming & Wang, Liang & Mikulčić, Hrvoje & Tan, Houzhang, 2020. "Emission characteristics of particulate matters from a 30 MW biomass-fired power plant in China," Renewable Energy, Elsevier, vol. 155(C), pages 225-236.
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    Cited by:

    1. Kalisz, Sylwester & Wejkowski, Robert & Maj, Izabella & Garbacz, Przemysław, 2023. "A novel approach to the dry desulfurization process by means of sodium bicarbonate: A full-scale study on SO2 emission and geochemistry of fly ash," Energy, Elsevier, vol. 279(C).
    2. Liu, Zhongyi & Jin, Jing & Zheng, Liangqian & Zhang, Ruipu & Dong, Bo & Liang, Guowei & Zhai, Zhongyuan, 2023. "Adhesion strength of straw biomass ash: Effect of dolomite additive," Energy, Elsevier, vol. 262(PA).
    3. Zheng, Liangqian & Jin, Jing & Zhang, Ruipu & Liu, Zhongyi & Zhang, Li, 2023. "Understanding the effect of dolomite additive on corrosion characteristics of straw biomass ash through experiment study and molecular dynamics calculations," Energy, Elsevier, vol. 271(C).
    4. Su, Xianqiang & Fang, Qingyan & Ma, Lun & Yin, Chungen & Chen, Xinke & Zhang, Cheng & Tan, Peng & Chen, Gang, 2024. "Mathematical modeling of a 30 MW biomass-fired grate boiler: A reliable baseline model taking fuel-bed structure into account," Energy, Elsevier, vol. 288(C).

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