压水堆核电站二回路水化学处理用碱化剂研究进展

郭亭山; 赵永福; 梁志远; 赵钦新

doi:10.19666/j.rlfd.202008228

English

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压水堆核电站二回路水化学处理用碱化剂研究进展

热力发电 2021年50卷第5期页码：1-9

技术经济综述 | 更新时间：2025-09-28

- 压水堆核电站二回路水化学处理用碱化剂研究进展
- Research progress of alkalizing agents in water chemical treatment of secondary circuit in pressurized water reactor nuclear power plants
- 作者机构：
  
  1. 西安交通大学热流科学与工程教育部重点实验室
  2. 中国核动力研究设计院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202008228
  中图分类号： TQ421;TM623.91
- 纸质出版：2021
- 稿件说明：
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郭亭山, 赵永福, 梁志远, 等. 压水堆核电站二回路水化学处理用碱化剂研究进展[J]. 热力发电, 2021,50(5):1-9.

GUO Tingshan, ZHAO Yongfu, LIANG Zhiyuan, et al. Research progress of alkalizing agents in water chemical treatment of secondary circuit in pressurized water reactor nuclear power plants[J]. Thermal Power Generation, 2021, 50(5): 1-9.
郭亭山, 赵永福, 梁志远, 等. 压水堆核电站二回路水化学处理用碱化剂研究进展[J]. 热力发电, 2021,50(5):1-9. DOI： 10.19666/j.rlfd.202008228.

GUO Tingshan, ZHAO Yongfu, LIANG Zhiyuan, et al. Research progress of alkalizing agents in water chemical treatment of secondary circuit in pressurized water reactor nuclear power plants[J]. Thermal Power Generation, 2021, 50(5): 1-9. DOI： 10.19666/j.rlfd.202008228.

摘要

压水堆核电站二回路中流动加速腐蚀(FAC)是导致管道失效的主要原因之一

其水化学工况直接关乎核电机组的安全性与经济性。水化学处理中采用的无机胺碱化剂逐渐被有机胺所替代

使用单一有机胺及复合碱化剂的水化学工况可显著降低FAC的速率

提高结构材料的运行寿命。本文针对国内外单一有机胺及复合碱化剂的研究现状指出:复合碱化剂性能优于单一有机胺

且运行成本低;针对复合碱化剂热稳定性问题

提出采用N

N-二乙基羟胺(DEHA)等新型除氧剂代替联胺

可实现复合碱化剂与除氧剂的协同发展。

Abstract

Flow accelerated corrosion(FAC) in the secondary circuit of pressurized water reactor(PWR) nuclear power plant is one of the main causes of pipeline failure

and its water chemical working conditions are directly related to the safety and economy of nuclear power plants. Inorganic amine alkalizers in water chemical treatment are gradually replaced by organic amines. The use of single organic amine and mixed alkalizers can significantly reduce the rate of FAC and prolong the operating life of structural materials. Based on the analysis on research status of single organic amine and mixed alkalizer at home and abroad

this paper points out that

the mixed alkalizer has better performance and lower operating cost than the single organic amine. In view of the thermal stability of the mixed alkalizer

it proposes to use N

N-diethylhydroxylamine(DEHA) and other new oxygen scavengers instead of hydrazine. In addition

the deoxidizer is recommended to be used with the mixed alkalizer together.

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