Corrosion behavior of chlorine ions under all volatile treatment conditions of subcritical drum boilers

SONG Fei; SUN Hao; TIAN Li; DENG Yuqiang; LIU Feng

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Corrosion behavior of chlorine ions under all volatile treatment conditions of subcritical drum boilers

Thermal Power Generation Issue 2, (2016)

更新时间：2025-09-28

- Corrosion behavior of chlorine ions under all volatile treatment conditions of subcritical drum boilers
- 作者机构：
  
  西安热工研究院有限公司,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.8
- Published Online：15 March 2016，
  
  Published：2016
- 稿件说明：
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SONG Fei, SUN Hao, TIAN Li, et al. Corrosion behavior of chlorine ions under all volatile treatment conditions of subcritical drum boilers[J]. Thermal Power Generation, 2016, (2).
DOI：

SONG Fei, SUN Hao, TIAN Li, et al. Corrosion behavior of chlorine ions under all volatile treatment conditions of subcritical drum boilers[J]. Thermal Power Generation, 2016, (2). DOI：

摘要

模拟亚临界汽包炉全挥发处理(AVT)环境，在高温无氧碱性条件下

采用电化学和试片表面金相分析方法，对氯离子(Cl-)在水冷壁管内表面(向火侧)发生浓缩时的腐蚀情况，包括不同Cl-质量浓度对金属表面钝态膜的影响，进行了研究。结果表明：当Cl-质量浓度≤3.00 mg/L时，金属膜电阻较大，金属膜完整；当Cl-质量浓度＞3.00 mg/L时，金属膜电阻急剧减小，金属表面出现点蚀，且随Cl-质量浓度增大，金属表面腐蚀加重。

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