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The analysis of heat-resistant steel selection for coal-fired supercritical carbon dioxide boiler
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Gang XING1, Haonan ZHENG2, Jinliang XU2, Enhui SUN2, Jiafei QIAO3, Bingbing WANG3, Rui HU2
Thermal Power Generation | 2023, 52(6) : 157 - 164
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Thermal Power Generation | 2023, 52(6): 157-164
• Equipments research on S-CO2 cycle power generation system •
The analysis of heat-resistant steel selection for coal-fired supercritical carbon dioxide boiler
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Gang XING1, Haonan ZHENG2, Jinliang XU2, Enhui SUN2, Jiafei QIAO3, Bingbing WANG3, Rui HU2
Affiliations
  • 1.Guodian Power Development Co.Ltd., Beijing 100101, China
  • 2.The Beijing Key Laboratory of Multiphase Flow and Heat Transfer for Low Grade Energy Utilization (North China Electric Power University), Beijing 100096, China
  • 3.CHN Energy New Energy Technology Research Institute Co.,Ltd., Beijing 102211, China
Published: 2023-06-25 doi: 10.19666/j.rlfd.202209239
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To ensure the safe and reliable operation of supercritical carbon dioxide (S-CO2) power plant over a long period of time, referred to the material commonly used in traditional steam boiler, the material of S-CO2 boiler is selected fromhigh temperature strength and corrosion characteristics. When CO2 flows through the boiler, the temperature of CO2 is high, the temperature difference between CO2 and tube wall temperature is large, over the 30~50 ℃ of steam boiler. Then the grade of the heat-resistant steel has to be upgraded. However, requirements and methods for the material selection for steam boiler cannot be directly used for S-CO2 boiler. The feasibility of heat-resistant steels such as T23, T91,T92, TP347HFG and Super304H used in S-CO2 boilers is explored from using maturity and economic performance. The results show that for cooling wall, T91 could be selected at certain tube structure, but 12Cr1MoVG, T21 and T23 et al used in steam boiler could not be selected. For superheater, only austenitic steel TP347HFG and Super304H meet the material selection requirements at certain tube structure.

S-CO2 boiler  /  parameters of main vapor  /  ferritic/martensitic steel  /  austenitic steel  /  nickel base alloy
Gang XING, Haonan ZHENG, Jinliang XU, Enhui SUN, Jiafei QIAO, Bingbing WANG, Rui HU. The analysis of heat-resistant steel selection for coal-fired supercritical carbon dioxide boiler[J]. Thermal Power Generation, 2023 , 52 (6) : 157 -164 . DOI: 10.19666/j.rlfd.202209239
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  • Science and Technology Project of CHN Energy(GJNY2030XDXM-19-10.1)
Appendix
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Year 2023 volume 52 Issue 6
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Article Info
doi: 10.19666/j.rlfd.202209239
  • Receive Date：2022-09-30
  • Online Date：2026-01-23
  • Published：2023-06-25
Article Data
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History
  • Received：2022-09-30
Funding
Science and Technology Project of CHN Energy(GJNY2030XDXM-19-10.1)
Affiliations
    1.Guodian Power Development Co.Ltd., Beijing 100101, China
    2.The Beijing Key Laboratory of Multiphase Flow and Heat Transfer for Low Grade Energy Utilization (North China Electric Power University), Beijing 100096, China
    3.CHN Energy New Energy Technology Research Institute Co.,Ltd., Beijing 102211, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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