采用给水加氧处理抑制流动加速腐蚀

毕法森; 孙本达; 李德勇

doi:10.19666/j.rlfd.2005.02.017

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采用给水加氧处理抑制流动加速腐蚀

热力发电 2005年第2期页码：52-53

更新时间：2025-09-28

- 采用给水加氧处理抑制流动加速腐蚀
- SUPRESSION OF FLOWACCELERATED CORROSION BY USING OXYGENADDING TREATMENT OF THE FEEDWATER
- 作者机构：
  
  1. 伊敏发电厂
  2. 西安热工研究院有限公司
  3. 伊敏发电厂内蒙古鄂温克,021134
  4. ,陕西,西安,710032
  5. 内蒙古鄂温克,021134
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.02.017
  中图分类号： TM621.8
- 纸质出版：2005
- 稿件说明：
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毕法森, 孙本达, 李德勇. 采用给水加氧处理抑制流动加速腐蚀[J]. 热力发电, 2005,(2):52-53.

BI Fashen, SUN Benda, LI Deyong. SUPRESSION OF FLOWACCELERATED CORROSION BY USING OXYGENADDING TREATMENT OF THE FEEDWATER[J]. Thermal Power Generation, 2005, (2): 52-53.
毕法森, 孙本达, 李德勇. 采用给水加氧处理抑制流动加速腐蚀[J]. 热力发电, 2005,(2):52-53. DOI： 10.19666/j.rlfd.2005.02.017.

BI Fashen, SUN Benda, LI Deyong. SUPRESSION OF FLOWACCELERATED CORROSION BY USING OXYGENADDING TREATMENT OF THE FEEDWATER[J]. Thermal Power Generation, 2005, (2): 52-53. DOI： 10.19666/j.rlfd.2005.02.017.

摘要

分析伊敏电厂2号俄制K 500 23.5 4型汽轮机组高压加热器盘管腐蚀泄漏的原因

认为主要由流动加速腐蚀(FAC)引起。为此

采用给水加氧进行了处理

成功地抑制了 FAC

使炉前给水铁含量由5.22μg/L降至1.52μg/L

高压加热器腐蚀泄漏问题得以解决。

Abstract

The causes leading to corrosion leakage of coil pipe in highpressure heater for K500235.4 type steam turbine made by Russia for unit No.2 in Yimin Power Plant have been analysed. It is considered that the main cause is due to flowaccelerated corrosion (FAC). In this connection

treatment of adding oxygen into feedwater has been adopted

successfully inhibiting the FAC

making iron content in the feedwater before boiler to be decreased from 5.22μg/L to 1.52μg/L

and corrosion leakage problem of the highpressure heater to be solved.

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