Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing

TIAN Li; TAN Xunan; CHENG Yang; FENG Xiangdong; FANG Xiangyu; CHEN Feng; ZHANG Longming; FENG Likui; ZHANG Guofeng; CAO Qiuyang

doi:10.19666/j.rlfd.202304051

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Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing

更新时间：2025-09-28

- Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing
- Thermal Power Generation Vol. 52, Issue 11, Pages: 193-198(2023)
- 作者机构：
  
  1. 浙江西热利华智能传感技术有限公司
  2. 广州珠江天然气发电有限公司
  3. 华能国际电力股份有限公司
  4. 浙江省浙能技术研究院
  5. 浙江省特种设备科学研究院
  6. 国网浙江省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202304051
  CLC： TM611.31
- Published：2023
- 稿件说明：
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TIAN Li, TAN Xunan, CHENG Yang, et al. Study on multi-parameter collaborative monitoring methods for hydrogen conductivity in water vapor degassing[J]. Thermal power generation, 2023, 52(11): 193-198.
DOI：

TIAN Li, TAN Xunan, CHENG Yang, et al. 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.

摘要

提出了一种基于双水膜脱气法和电再生离子交换技术相结合的水汽脱气氢电导率多参数协同监测系统及方法，可快速测量电导率、氢电导率、脱气氢电导率和pH值等多项关键水质指标，对水质做出综合评判，指导停机启动及正常运行水工况调整，对保障水汽品质及热力设备腐蚀、积盐、结垢的防控具有重要意义。其中，脱气氢电导率测量采用双水膜脱气技术，可高效脱除水中CO_2，在此基础上提出标准溶液校准脱气氢电导率测量值的方法，可有效评判测量值的准确性。该方法用于典型的燃气联合循环机组、供热机组的现场监督，结果表明其测量准确性高，可快速综合评估水汽品质，能辅助解决现场出现的各类技术问题，具有很强的推广应用价值。

Abstract

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 CO_2 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.

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