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Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing
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Li TIAN1, Xunan TAN2, Yang CHENG3, Xiangdong FENG4, Xiangyu FANG5, Feng CHEN3, Longming ZHANG1, Likui FENG6, Guofeng ZHANG1, Qiuyang CAO6
Thermal Power Generation | 2023, 52(11) : 193 - 198
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Thermal Power Generation | 2023, 52(11): 193-198
• Power generation technology forum •
Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing
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Li TIAN1, Xunan TAN2, Yang CHENG3, Xiangdong FENG4, Xiangyu FANG5, Feng CHEN3, Longming ZHANG1, Likui FENG6, Guofeng ZHANG1, Qiuyang CAO6
Affiliations
  • 1.Zhejiang TPRI-LH Intelligent Sensing Technology Co.,Ltd., Jiaxing 314400, China
  • 2.Guangzhou Zhujiang LNG Power Generation Co., Ltd., Guangzhou 511457,China
  • 3.Huaneng Power International, Inc. Beijing 100031, China
  • 4.Zhejiang Energy R&D Institute Co.,Ltd., Hangzhou 311121,China
  • 5.Zhejiang Academy of Special Equipment Science, Hanghzhou 310020,China
  • 6.State Grid Zhe-Jiang Electric Power Corporation Research Institute, Hanghzhou 310006, China
Published: 2023-11-25 doi: 10.19666/j.rlfd.202304051
Outline
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This paper proposes a multi-parameter collaborative monitoring system and method for degassed hydrogen conductivity based on the combination of double water membrane degassed method and electric regeneration ion exchange technology, which can quickly measure a number of key water quality indicators such as conductivity, hydrogen conductivity, degassed hydrogen conductivity and pH. It can make comprehensive evaluation of water quality, guide thermal equipment shutdown and startup. And it can adjust normal operating water conditions. It has a great significance for ensuring water vapor quality and thermal equipment corrosion, salt accumulation and scale formation. Double water membrane degassing technology is used to measure degassed hydrogen conductivity, which can effectively remove CO2 from water. On this basis, a method of calibration degassed hydrogen conductivity measured by standard solution is proposed, so that the accuracy of the measured value can be effectively evaluated. This method has been applied to typical gas combined cycle units and heating units for on-site supervision. It proves that the method has high measurement accuracy, can quickly and comprehensively evaluate water vapor quality, and it can assist in solving various technical problems on site. Therefore, it has strong popularization and application value.

degassed  /  hydrogen conductivity  /  pH  /  membrane degassing
Li TIAN, Xunan TAN, Yang CHENG, Xiangdong FENG, Xiangyu FANG, Feng CHEN, Longming ZHANG, Likui FENG, Guofeng ZHANG, Qiuyang CAO. Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing[J]. Thermal Power Generation, 2023 , 52 (11) : 193 -198 . DOI: 10.19666/j.rlfd.202304051
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  • Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ21-HF305)
Appendix
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Year 2023 volume 52 Issue 11
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126
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Article Info
doi: 10.19666/j.rlfd.202304051
  • Receive Date：2023-04-01
  • Online Date：2026-01-26
  • Published：2023-11-25
Article Data
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History
  • Received：2023-04-01
Funding
Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ21-HF305)
Affiliations
    1.Zhejiang TPRI-LH Intelligent Sensing Technology Co.,Ltd., Jiaxing 314400, China
    2.Guangzhou Zhujiang LNG Power Generation Co., Ltd., Guangzhou 511457,China
    3.Huaneng Power International, Inc. Beijing 100031, China
    4.Zhejiang Energy R&D Institute Co.,Ltd., Hangzhou 311121,China
    5.Zhejiang Academy of Special Equipment Science, Hanghzhou 310020,China
    6.State Grid Zhe-Jiang Electric Power Corporation Research Institute, Hanghzhou 310006, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202304051
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