IDEAS home Printed from https://ideas.repec.org/a/eee/energy/v252y2022ics0360544222009240.html
   My bibliography  Save this article

The comprehensive solution to decrease cooling wall temperatures of sCO2 boiler for coal fired power plant

Author

Listed:
  • Liu, Chao
  • Xu, Jinliang
  • Li, Mingjia
  • Wang, Qingyang
  • Liu, Guanglin

Abstract

Compared with water-steam cycle, supercritical carbon dioxide (sCO2) cycle has higher efficiency when applied in coal fired power plant. However, it also introduces challenges in boiler: because of the higher working fluid temperature and the lower convective heat transfer coefficient in boiler tubes, the cooling wall is more prone to overheating and bursting due to higher wall temperatures. Here, based on fundamental consideration of the thermal coupling between 3D radiation heat flux in furnace side and CO2 fluid in cooling wall tubes, we propose a comprehensive solution to decrease cooling wall temperatures. The solution includes four consecutive techniques: improved coupling in furnace width direction (CWD), flue gas recirculation for heat flux reduction (FGR), improved coupling in furnace height direction (CHD), and enhanced heat transfer in cooling wall tubes (EHT). A comprehensive thermal-hydraulic model is developed for a 1000 MWe power plant. It is found that the new solution can reduce the cooling wall temperatures from 670.5 °C to 635.0 °C, among which CWD, FGR, CHD and EHT contribute to the decrement of cooling wall temperatures by 13.3 °C, 4.4 °C, 6.8 °C and 11.0 °C, respectively, concluding that CWD and EHT are more effective than other techniques.

Suggested Citation

  • Liu, Chao & Xu, Jinliang & Li, Mingjia & Wang, Qingyang & Liu, Guanglin, 2022. "The comprehensive solution to decrease cooling wall temperatures of sCO2 boiler for coal fired power plant," Energy, Elsevier, vol. 252(C).
    • Handle: RePEc:eee:energy:v:252:y:2022:i:c:s0360544222009240
    DOI: 10.1016/j.energy.2022.124021
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0360544222009240
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.energy.2022.124021?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Zima, Wiesław & Nowak-Ocłoń, Marzena & Ocłoń, Paweł, 2018. "Novel online simulation-ready models of conjugate heat transfer in combustion chamber waterwall tubes of supercritical power boilers," Energy, Elsevier, vol. 148(C), pages 809-823.
    2. Xu, Jinliang & Liu, Chao & Sun, Enhui & Xie, Jian & Li, Mingjia & Yang, Yongping & Liu, Jizhen, 2019. "Perspective of S−CO2 power cycles," Energy, Elsevier, vol. 186(C).
    3. Xu, Jinliang & Sun, Enhui & Li, Mingjia & Liu, Huan & Zhu, Bingguo, 2018. "Key issues and solution strategies for supercritical carbon dioxide coal fired power plant," Energy, Elsevier, vol. 157(C), pages 227-246.
    4. Le Moullec, Yann, 2013. "Conceptual study of a high efficiency coal-fired power plant with CO2 capture using a supercritical CO2 Brayton cycle," Energy, Elsevier, vol. 49(C), pages 32-46.
    5. Yang, D.L. & Tang, G.H. & Fan, Y.H. & Li, X.L. & Wang, S.Q., 2020. "Arrangement and three-dimensional analysis of cooling wall in 1000 MW S–CO2 coal-fired boiler," Energy, Elsevier, vol. 197(C).
    6. Zhou, Jing & Zhu, Meng & Xu, Kai & Su, Sheng & Tang, Yifang & Hu, Song & Wang, Yi & Xu, Jun & He, Limo & Xiang, Jun, 2020. "Key issues and innovative double-tangential circular boiler configurations for the 1000 MW coal-fired supercritical carbon dioxide power plant," Energy, Elsevier, vol. 199(C).
    7. Mecheri, Mounir & Le Moullec, Yann, 2016. "Supercritical CO2 Brayton cycles for coal-fired power plants," Energy, Elsevier, vol. 103(C), pages 758-771.
    8. Fan, Haojie & Xu, Wei & Zhang, Jian & Zhang, Zhongxiao, 2021. "Steam temperature regulation characteristics in a flexible ultra-supercritical boiler with a double reheat cycle based on a cell model," Energy, Elsevier, vol. 229(C).
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Zhu, Meng & Chen, Lei & Zhou, Lingang & Jiang, Long & Su, Sheng & Hu, Song & Xu, Kai & Wang, Can & Li, Aishu & Qing, Haoran & Zhou, Jing & Wang, Yi & Li, Hanjian & Xiang, Jun, 2023. "Experimental test, numerical analysis and thermal calculation modeling of hundreds kWth-class supercritical CO2 fossil-fired boiler system," Energy, Elsevier, vol. 284(C).

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Liu, Zecheng & Zhong, Wenqi & Shao, Yingjuan & Liu, Xuejiao, 2022. "Conceptual design of a small-capacity supercritical CO2 coal-fired circulating fluidized bed boiler by an improved design calculation method," Energy, Elsevier, vol. 255(C).
    2. 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).
    3. Yang, D.L. & Tang, G.H. & Li, X.L. & Fan, Y.H., 2022. "Capacity-dependent configurations of S–CO2 coal-fired boiler by overall analysis with a unified model," Energy, Elsevier, vol. 245(C).
    4. Liu, Zecheng & Zhong, Wenqi & Shao, Yingjuan & Liu, Xuejiao, 2020. "Exergy analysis of supercritical CO2 coal-fired circulating fluidized bed boiler system based on the combustion process," Energy, Elsevier, vol. 208(C).
    5. Fan, Y.H. & Yang, D.L. & Tang, G.H. & Sheng, Q. & Li, X.L., 2022. "Design of S–CO2 coal-fired power system based on the multiscale analysis platform," Energy, Elsevier, vol. 240(C).
    6. Luo, Kun & Zhao, Chunguang & Wen, Xu & Gao, Zhengwei & Bai, Yun & Xing, Jiangkuan & Fan, Jianren, 2019. "A priori study of an extended flamelet/progress variable model for NO prediction in pulverized coal flames," Energy, Elsevier, vol. 175(C), pages 768-780.
    7. Yang, D.L. & Tang, G.H. & Sheng, Q. & Li, X.L. & Fan, Y.H. & He, Y.L. & Luo, K.H., 2023. "Effects of multiple insufficient charging and discharging on compressed carbon dioxide energy storage," Energy, Elsevier, vol. 278(PA).
    8. Wang, Shengpeng & Zhang, Yifan & Li, Hongzhi & Yao, Mingyu & Peng, Botao & Yan, Junjie, 2020. "Thermohydrodynamic analysis of the vertical gas wall and reheat gas wall in a 300 MW supercritical CO2 boiler," Energy, Elsevier, vol. 211(C).
    9. Yang, D.L. & Tang, G.H. & Fan, Y.H. & Li, X.L. & Wang, S.Q., 2020. "Arrangement and three-dimensional analysis of cooling wall in 1000 MW S–CO2 coal-fired boiler," Energy, Elsevier, vol. 197(C).
    10. Li, Hongzhi & Zhang, Yifan & Yao, Mingyu & Yang, Yu & Han, Wanlong & Bai, Wengang, 2019. "Design assessment of a 5 MW fossil-fired supercritical CO2 power cycle pilot loop," Energy, Elsevier, vol. 174(C), pages 792-804.
    11. Bai, Wengang & Li, Hongzhi & Zhang, Lei & Zhang, Yifan & Yang, Yu & Zhang, Chun & Yao, Mingyu, 2021. "Energy and exergy analyses of an improved recompression supercritical CO2 cycle for coal-fired power plant," Energy, Elsevier, vol. 222(C).
    12. Li, Zhaozhi & Shao, Yingjuan & Zhong, Wenqi & Liu, Hao, 2023. "Optimal design and thermodynamic evaluation of supercritical CO2 oxy-coal circulating fluidized bed power generation systems," Energy, Elsevier, vol. 277(C).
    13. Zhu, Meng & Zhou, Jing & Chen, Lei & Su, Sheng & Hu, Song & Qing, Haoran & Li, Aishu & Wang, Yi & Zhong, Wenqi & Xiang, Jun, 2022. "Economic analysis and cost modeling of supercritical CO2 coal-fired boiler based on global optimization," Energy, Elsevier, vol. 239(PD).
    14. Xu, Cheng & Zhang, Qiang & Yang, Zhiping & Li, Xiaosa & Xu, Gang & Yang, Yongping, 2018. "An improved supercritical coal-fired power generation system incorporating a supplementary supercritical CO2 cycle," Applied Energy, Elsevier, vol. 231(C), pages 1319-1329.
    15. Liu, Xuejiao & Zhong, Wenqi & Li, Pingjiao & Xiang, Jun & Liu, Guoyao, 2019. "Design and performance analysis of coal-fired fluidized bed for supercritical CO2 power cycle," Energy, Elsevier, vol. 176(C), pages 468-478.
    16. Zhou, Jing & Zhu, Meng & Chen, Lei & Ren, Qiangqiang & Su, Sheng & Hu, Song & Wang, Yi & Xiang, Jun, 2023. "Performance assessment and system optimization on supercritical CO2 double-path recompression coal-fired combined heat and power plants with MEA-based post-combustion CO2 capture," Energy, Elsevier, vol. 267(C).
    17. Fan, Y.H. & Tang, G.H. & Li, X.L. & Yang, D.L. & Wang, S.Q., 2019. "Correlation evaluation on circumferentially average heat transfer for supercritical carbon dioxide in non-uniform heating vertical tubes," Energy, Elsevier, vol. 170(C), pages 480-496.
    18. Gu, Mingyan & Wang, Mingming & Chen, Xue & Wang, Jimin & Lin, Yuyu & Chu, Huaqiang, 2019. "Numerical study on the effect of separated over-fire air ratio on combustion characteristics and NOx emission in a 1000 MW supercritical CO2 boiler," Energy, Elsevier, vol. 175(C), pages 593-603.
    19. Li, X.L. & Li, G.X. & Tang, G.H. & Fan, Y.H. & Yang, D.L., 2023. "A generalized thermal deviation factor to evaluate the comprehensive stress of tubes under non-uniform heating," Energy, Elsevier, vol. 263(PA).
    20. Bai, Wengang & Li, Hongzhi & Zhang, Xuwei & Qiao, Yongqiang & Zhang, Chun & Gao, Wei & Yao, Mingyu, 2022. "Thermodynamic analysis of CO2–SF6 mixture working fluid supercritical Brayton cycle used for solar power plants," Energy, Elsevier, vol. 261(PB).

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:energy:v:252:y:2022:i:c:s0360544222009240. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.