高温气冷堆二回路催化柠檬酸清洗可行性研究

刘锋; 刘永兵; 姚洪猛; 孙雅萍; 姚建涛; 龙国军; 赵峰

doi:10.19666/j.rlfd.201812215

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高温气冷堆二回路催化柠檬酸清洗可行性研究

热能科学研究 | 更新时间：2025-09-28

- 高温气冷堆二回路催化柠檬酸清洗可行性研究
- Feasibility analysis for chemical cleaning of the secondary circuit in high temperature gas-cooled reactors using catalytic citric acid
- 热力发电 2019年48卷第6期页码：79-83
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能山东石岛湾核电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201812215
  中图分类号： TK284
- 网络出版日期：2019-06-10，
  
  纸质出版日期：2019
- 稿件说明：
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刘锋, 刘永兵, 姚洪猛, 等. 高温气冷堆二回路催化柠檬酸清洗可行性研究[J]. 热力发电, 2019,48(6):79-83.

LIU Feng, LIU Yongbing, YAO Hongmeng, et al. Feasibility analysis for chemical cleaning of the secondary circuit in high temperature gas-cooled reactors using catalytic citric acid[J]. Thermal power generation, 2019, 48(6): 79-83.
刘锋, 刘永兵, 姚洪猛, 等. 高温气冷堆二回路催化柠檬酸清洗可行性研究[J]. 热力发电, 2019,48(6):79-83. DOI： 10.19666/j.rlfd.201812215.

LIU Feng, LIU Yongbing, YAO Hongmeng, et al. Feasibility analysis for chemical cleaning of the secondary circuit in high temperature gas-cooled reactors using catalytic citric acid[J]. Thermal power generation, 2019, 48(6): 79-83. DOI： 10.19666/j.rlfd.201812215.

摘要

基于对高温气冷堆二回路化学清洗技术风险的分析

本文对高温气冷堆二回路柠檬酸清洗的可行性进行了研究。针对高温气冷堆二回路材质的多样性

进行了缓蚀剂体系的筛选;研究了Fe~(3+)存在对典型材质腐蚀影响

以及阀门密封面临近碳钢的电偶腐蚀情况。研究结果表明:复配型缓蚀剂可有效控制材料的腐蚀速率;低等级钢对Fe~(3+)较为敏感

实际清洗过程中应注意Fe~(3+)的控制;阀门密封面临近碳钢的腐蚀速率满足《化学清洗缓蚀剂应用性能评价指标及试验方法》(DL/T 523—2017)要求。

Abstract

On the basis of analyzing technical risk of chemical cleaning of the secondary circuit in high temperature gas-cooled reactors using catalytic citric acid

the feasibility of the chemical cleaning of the secondary circuit in high temperature gas-cooled reactors using citric acid is researched. In view of various grades of steel used in the secondary circuit in high temperature gas-cooled reactors

the inhibitors system are selected.The influence of Fe~(3+) on corrosion of typical materials is discussed

and the galvanic corrosion of carbon steel near the valve sealing surface is analyzed. The results indicate that

the compound inhibitors can effectively control the corrosion rates of typical materials. The low grade steels are sensitive to Fe~(3+) in catalytic citric acid solution. The corrosion rate of carbon steel near the valve sealing surface could satisfy the requirement of Practice Evaluation and Testing Method of Inhibitors for Chemical Cleaning(DL/T 523—2017).

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