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Applications of a cost-based method of excess air optimization for the improvement of thermal efficiency and environmental performance of steam boilers

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  • Kuprianov, Vladimir I.

Abstract

The paper reviews the results of theoretical and experimental study on development and application of the method aimed at excess air optimization for utility/industrial steam boilers fired with fossil fuels. A concept of the cost-based excess air optimization is presented. Various application options (experimental/theoretical; firing different fossil fuels in utility/industrial boilers; pursuing distinct goals, etc.) are discussed. Three case studies including utility boilers firing lignite and fuel oil as well as an industrial boiler installed at a refinery are reviewed. Limitations and constraints in method application are discussed as well. As shown in this work, switching the combustion excess air to the optimized or "compromise" values ensures noticeable reduction of the total operational costs, associated with the fuel consumption ("internal" costs) and environmental impact ("external" costs), for the particular boiler.

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  • 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.
    • Handle: RePEc:eee:rensus:v:9:y:2005:i:5:p:474-498
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    References listed on IDEAS

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    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. 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.
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    1. Piechocki, Janusz & Ambroziak, Dominik & Palkowski, Aleksander & Redlarski, Grzegorz, 2014. "Use of Modified Cuckoo Search algorithm in the design process of integrated power systems for modern and energy self-sufficient farms," Applied Energy, Elsevier, vol. 114(C), pages 901-908.
    2. Kuprianov, Vladimir I. & Kaewklum, Rachadaporn & Chakritthakul, Songpol, 2011. "Effects of operating conditions and fuel properties on emission performance and combustion efficiency of a swirling fluidized-bed combustor fired with a biomass fuel," Energy, Elsevier, vol. 36(4), pages 2038-2048.
    3. Wang, Yanhong & Zou, Zhihong & Lu, Ke & Li, Qi & Li, Liyan, 2024. "Probing of operation economy for coal-fired unit under low loads with two fixed boundary conditions," Energy, Elsevier, vol. 288(C).
    4. Jou, Chih-Ju G. & Wu, Chung-Rung & Lee, Chien-Li, 2010. "Reduction of energy cost and CO2 emission for the furnace using energy recovered from waste tail-gas," Energy, Elsevier, vol. 35(3), pages 1232-1236.

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