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Numerical investigations on different tangential arrangements of burners for a 600 MW utility boiler

Author

Listed:
  • Chen, Shinan
  • He, Boshu
  • He, Di
  • Cao, Yang
  • Ding, Guangchao
  • Liu, Xuan
  • Duan, Zhipeng
  • Zhang, Xin
  • Song, Jingge
  • Li, Xuezheng

Abstract

Corner-tangentially-fired boilers (CTFBs), in which the burners are installed at the four corners separately, have been widely used in the thermal power stations in China. However, due to the variation of coal types and the inherent design defects of the CTFB, slagging and high-temperature corrosion on the water-cooled walls, and large temperature deviation at the furnace outlet are often detected during operation. Wall-tangentially-fired boilers (WTFBs), in which the burners are arranged on the furnace walls, are believed to be able to solve the above-mentioned issues. In this work, the hydrodynamic and combustion characteristics of pulverized coal in a 600 MW utility boiler with different tangential burner arrangement schemes are numerically investigated by the commercial software, Fluent. After comprehensive analyses of the predicted velocity fields, the temperature fields, the species concentration fields, the heat fluxes through furnace walls, the phenomena at the furnace outlet, the swirl numbers (SNs) and the actual tangential circle diameters (TCDs), it is found that the wall-center-tangentially-fired boiler (WCTFB) is the best arrangement scheme because it has the best performance in this work.

Suggested Citation

  • Chen, Shinan & He, Boshu & He, Di & Cao, Yang & Ding, Guangchao & Liu, Xuan & Duan, Zhipeng & Zhang, Xin & Song, Jingge & Li, Xuezheng, 2017. "Numerical investigations on different tangential arrangements of burners for a 600 MW utility boiler," Energy, Elsevier, vol. 122(C), pages 287-300.
    • Handle: RePEc:eee:energy:v:122:y:2017:i:c:p:287-300
    DOI: 10.1016/j.energy.2017.01.093
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    References listed on IDEAS

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    1. Tan, Houzhang & Niu, Yanqing & Wang, Xuebin & Xu, Tongmo & Hui, Shien, 2011. "Study of optimal pulverized coal concentration in a four-wall tangentially fired furnace," Applied Energy, Elsevier, vol. 88(4), pages 1164-1168, April.
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    Cited by:

    1. Li, Zixiang & Miao, Zhengqing & Qiao, Xinqi, 2023. "Effects of structural parameters of a novel burner scheme with annularly combined multiple airflows on performance of a 660 MW tangentially fired boiler," Energy, Elsevier, vol. 280(C).
    2. Li, Zixiang & Miao, Zhengqing & Han, Baoju & Qiao, Xinqi, 2022. "Effects of the number of wall mounted burners on performance of a 660 MW tangentially fired lignite boiler with annularly combined multiple airflows," Energy, Elsevier, vol. 255(C).
    3. Bartłomiej Hernik, 2020. "Numerical Research of the Modification of the Combustion System in the OP 650 Boiler," Energies, MDPI, vol. 13(3), pages 1-22, February.
    4. Li, Zixiang & Qiao, Xinqi & Miao, Zhengqing, 2021. "Low load performance of tangentially-fired boiler with annularly combined multiple airflows," Energy, Elsevier, vol. 224(C).
    5. Zheng Kong & Jianquan Liu & Changxin Zhou, 2022. "Simulation Research on Thermal Deviation in 700 °C Ultra-Supercritical Boiler," Energies, MDPI, vol. 15(20), pages 1-16, October.
    6. Zhou, Jing & Zhu, Meng & Su, Sheng & Chen, Lei & Xu, Jun & Hu, Song & Wang, Yi & Jiang, Long & Zhong, Wenqi & Xiang, Jun, 2020. "Numerical analysis and modified thermodynamic calculation methods for the furnace in the 1000 MW supercritical CO2 coal-fired boiler," Energy, Elsevier, vol. 212(C).
    7. Askarova, Aliya & Georgiev, Aleksandar & Bolegenova, Saltanat & Beketayeva, Meruyert & Maximov, Valeriyu & Bolegenova, Symbat, 2022. "Computational modeling of pollutants in furnaces of pulverized coal boilers of the republic of Kazakhstan," Energy, Elsevier, vol. 258(C).
    8. Chen, Xi & Zhong, Wenqi & Li, Tianyu, 2023. "Fast prediction of temperature and chemical species distributions in pulverized coal boiler using POD reduced-order modeling for CFD," Energy, Elsevier, vol. 276(C).
    9. Li, Zixiang & Miao, Zhengqing & Shen, Xusheng & Li, Jiangtao, 2018. "Effects of momentum ratio and velocity difference on combustion performance in lignite-fired pulverized boiler," Energy, Elsevier, vol. 165(PA), pages 825-839.
    10. Darbandi, Masoud & Fatin, Ali & Bordbar, Hadi, 2020. "Numerical study on NOx reduction in a large-scale heavy fuel oil-fired boiler using suitable burner adjustments," Energy, Elsevier, vol. 199(C).
    11. Li, Zixiang & Qiao, Xinqi & Miao, Zhengqing, 2021. "A novel burner arrangement scheme with annularly combined multiple airflows for wall-tangentially fired pulverized coal boiler," Energy, Elsevier, vol. 222(C).

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