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Modeling of thermal characteristics for a furnace of a 500 MW boiler fired with high-ash coal

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  • Kouprianov, V.I

Abstract

An advanced zonal computational method has been used to determine the temperature and heat flux profiles and other thermal characteristics for a furnace of the 500 MW boiler fired with high-ash, medium-volatile Ekibastuz coal. The predicted temperature profiles for a 100% boiler load and different methods of fuel distribution through the burner tiers were compared with respective data obtained in experimental tests. The effects of the fuel dust fineness and excess air on the furnace temperature pattern were studied. The cases associated with the reduced boiler loads were considered as well. The lower limit for the boiler load has been established, based on the predicted results.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:energy:v:26:y:2001:i:9:p:839-853
    DOI: 10.1016/S0360-5442(01)00033-0
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    References listed on IDEAS

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    1. 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.
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    1. Kuprianov, Vladimir I., 2005. "Applications of a cost-based method of excess air optimization for the improvement of thermal efficiency and environmental performance of steam boilers," Renewable and Sustainable Energy Reviews, Elsevier, vol. 9(5), pages 474-498, October.
    2. He, Qing & Gong, Yan & Ding, Lu & Guo, Qinghua & Yoshikawa, Kunio & Yu, Guangsuo, 2021. "Reactivity prediction and mechanism analysis of raw and demineralized coal char gasification," Energy, Elsevier, vol. 229(C).
    3. Kouprianov, V. I. & Tanetsakunvatana, V., 2003. "Optimization of excess air for the improvement of environmental performance of a 150 MW boiler fired with Thai lignite," Applied Energy, Elsevier, vol. 74(3-4), pages 445-453, March.
    4. Orumbayev, Rakhimzhan K. & Bakhtiyar, Balzhan T. & Umyshev, Dias R. & Kumargazina, Madina B. & Otynchiyeva, Marzhan T. & Akimbek, Gulmira A., 2021. "Experimental study of ash wear of heat exchange surfaces of the boiler," Energy, Elsevier, vol. 215(PA).

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