SUPRESSION OF FLOWACCELERATED CORROSION BY USING OXYGENADDING TREATMENT OF THE FEEDWATER

BI Fashen; SUN Benda; LI Deyong

doi:10.19666/j.rlfd.2005.02.017

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SUPRESSION OF FLOWACCELERATED CORROSION BY USING OXYGENADDING TREATMENT OF THE FEEDWATER

Thermal Power Generation Issue 2, Pages: 52-53(2005)

更新时间：2025-09-28

- 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
  CLC： TM621.8
- Published：2005
- 稿件说明：
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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：

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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Related Author

CHEN Zichan

CAO Songyan1

WANG Jinfang2

SUN Benda1

SONG Jingxia11.Xi'an Thermal Power Research Institute Co Ltd

Related Institution

Yong'an Thermal Power Plant, Fujian Yong'an

Qinshan Nuclear Power Co., Ltd

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