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Methods and Applications of Full-Scale Field Testing for Large-Scale Circulating Fluidized Bed Boilers

Author

Listed:
  • Zhonghao Dong

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Xiaofeng Lu

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Rongdi Zhang

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Jianbo Li

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Zhaoliang Wu

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Zhicun Liu

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Yanting Yang

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Quanhai Wang

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

  • Yinhu Kang

    (Key Laboratory of Low-Grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China)

Abstract

Circulating fluidized bed (CFB) boilers offer a technically viable and environmentally friendly means for the clean and efficient utilization of solid fuels. However, the complex gas–solid two-phase flow processes within them have hindered a thorough resolution of prediction issues related to coupled combustion, heat transfer, and pollutant generation characteristics. To address the deficiencies in scientific research, meet the practical operational needs of CFB boilers, and comply with new carbon emission policies, conducting full-scale field tests on large-scale CFB boilers is needed, so that the complex gas–solid flow, combustion, and heat transfer mechanisms in the furnace can be comprehended. In this paper, issues related to large-scale CFB boilers, including the uniformity of air distribution, secondary air injection range, spatial distribution of oxygen consumption and combustion reactions, distribution of pollutant generation, hydrodynamic and heat transfer characteristics, coal feeding distribution characteristics, coal diffusion characteristics under thermal operating conditions, and engineering research on anti-wear technology, are reviewed. By integrating practical engineering applications, the basic methods and measurement techniques used in full-scale field tests for large-scale CFB boilers are summarized, providing a practical reference for conducting engineering tests with large-scale CFB boilers.

Suggested Citation

  • Zhonghao Dong & Xiaofeng Lu & Rongdi Zhang & Jianbo Li & Zhaoliang Wu & Zhicun Liu & Yanting Yang & Quanhai Wang & Yinhu Kang, 2024. "Methods and Applications of Full-Scale Field Testing for Large-Scale Circulating Fluidized Bed Boilers," Energies, MDPI, vol. 17(4), pages 1-37, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:4:p:889-:d:1338884
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    References listed on IDEAS

    as
    1. Yan, Jin & Lu, Xiaofeng & Song, Yangfan & Zheng, Xiong & Lei, Xiujian & Liu, Zhuo & Fan, Xuchen & Liu, Congcong, 2021. "A comprehensive understanding of the non-uniform characteristics and regulation mechanism of six external loops in a 600 MW supercritical CFB boiler," Energy, Elsevier, vol. 222(C).
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