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Modeling of NOx emissions from a W-shaped boiler furnace under different operating conditions

Author

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  • Fan, J.R.
  • Liang, X.H.
  • Chen, L.H.
  • Cen, K.F.

Abstract

A numerical model for gas-particle flow dynamics has been combined with an NOx chemistry post-processor to predict the formation of nitric oxide in a three-dimensional, W-shaped boiler furnace burning pulverized fuel. The model includes complex interactions in gas-particle turbulent flow, heat transfer, gaseous chemical reaction, coal combustion, and NOx reaction chemistry. Because fuel nitrogen is released in proportion to burnout of pulverized coal particles, the particles are treated in a Lagrangian framework in order to track burning pulverized coal particles through the gas continuum. The results show capability of the model to describe NOx emissions under different operating conditions for full and partial loads.

Suggested Citation

  • Fan, J.R. & Liang, X.H. & Chen, L.H. & Cen, K.F., 1998. "Modeling of NOx emissions from a W-shaped boiler furnace under different operating conditions," Energy, Elsevier, vol. 23(12), pages 1051-1055.
    • Handle: RePEc:eee:energy:v:23:y:1998:i:12:p:1051-1055
    DOI: 10.1016/S0360-5442(98)00059-0
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    Citations

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    Cited by:

    1. Kouprianov, V.I, 2001. "Modeling of thermal characteristics for a furnace of a 500 MW boiler fired with high-ash coal," Energy, Elsevier, vol. 26(9), pages 839-853.
    2. Wang, Qingxiang & Chen, Zhichao & Che, Miaomiao & Zeng, Lingyan & Li, Zhengqi & Song, Minhang, 2016. "Effect of different inner secondary-air vane angles on combustion characteristics of primary combustion zone for a down-fired 300-MWe utility boiler with overfire air," Applied Energy, Elsevier, vol. 182(C), pages 29-38.
    3. Chen, Zhichao & Wang, Qingxiang & Wang, Bingnan & Zeng, Lingyan & Che, Miaomiao & Zhang, Xin & Li, Zhengqi, 2017. "Anthracite combustion characteristics and NOx formation of a 300MWe down-fired boiler with swirl burners at different loads after the implementation of a new combustion system," Applied Energy, Elsevier, vol. 189(C), pages 133-141.
    4. Crnomarkovic, Nenad & Sijercic, Miroslav & Belosevic, Srdjan & Stankovic, Branislav & Tucakovic, Dragan & Zivanovic, Titoslav, 2012. "Influence of forward scattering on prediction of temperature and radiation fields inside the pulverized coal furnace," Energy, Elsevier, vol. 45(1), pages 160-168.
    5. Kuang, Min & Li, Zhengqi, 2014. "Review of gas/particle flow, coal combustion, and NOx emission characteristics within down-fired boilers," Energy, Elsevier, vol. 69(C), pages 144-178.
    6. 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).
    7. Zhang, Xin & Chen, Zhichao & Hou, Jian & Liu, Zheng & Zeng, Lingyan & Li, Zhengqi, 2022. "Evaluation of wide-range coal combustion performance of a novel down-fired combustion technology based on gas–solid two-phase flow characteristics," Energy, Elsevier, vol. 248(C).
    8. Liu, Chunlong & Li, Zhengqi & Zhang, Xiang & Jing, Xinjing & Zhang, Wenzhen & Chen, Zhichao & Zhu, Qunyi, 2012. "Aerodynamic characteristics within a cold small-scale model for a down-fired 350 MWe supercritical utility boiler at various primary air to vent air ratios," Energy, Elsevier, vol. 47(1), pages 294-301.
    9. Kuang, Min & Li, Zhengqi & Zhang, Yan & Chen, Xiachao & Jia, Jinzhao & Zhu, Qunyi, 2012. "Asymmetric combustion characteristics and NOx emissions of a down-fired 300 MWe utility boiler at different boiler loads," Energy, Elsevier, vol. 37(1), pages 580-590.
    10. Kuang, Min & Li, Zhengqi & Zhu, Qunyi & Zhang, Yan, 2013. "Performance assessment of staged-air declination in improving asymmetric gas/particle flow characteristics within a down-fired 600 MWe supercritical utility boiler," Energy, Elsevier, vol. 49(C), pages 423-433.
    11. Jie Yang & Shaowen Lu & Liangyong Wang, 2020. "Fused magnesia manufacturing process: a survey," Journal of Intelligent Manufacturing, Springer, vol. 31(2), pages 327-350, February.
    12. Wang, Qingxiang & Chen, Zhichao & Wang, Liang & Zeng, Lingyan & Li, Zhengqi, 2018. "Application of eccentric-swirl-secondary-air combustion technology for high-efficiency and low-NOx performance on a large-scale down-fired boiler with swirl burners," Applied Energy, Elsevier, vol. 223(C), pages 358-368.

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