CAUSE ANALYSIS AND PROTECTIVE MEASURES FOR CORROSIVE PERFORATION OF CONDENSER’S COPPER TUBES IN YUNFU POWER PLANT

LI Lin; WANG Jiu-zhen

doi:10.19666/j.rlfd.2005.07.015

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CAUSE ANALYSIS AND PROTECTIVE MEASURES FOR CORROSIVE PERFORATION OF CONDENSER’S COPPER TUBES IN YUNFU POWER PLANT

更新时间：2025-09-28

- CAUSE ANALYSIS AND PROTECTIVE MEASURES FOR CORROSIVE PERFORATION OF CONDENSER’S COPPER TUBES IN YUNFU POWER PLANT
- Thermal Power Generation Issue 7, Pages: 47-49(2005)
- 作者机构：
  
  1. 云浮发电厂
  2. 云浮发电厂,广东,云浮,527328
  3. ,广东,云浮,527328
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.07.015
  CLC： TK264.11
- Published：2005
- 稿件说明：
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LI Lin, WANG Jiu-zhen. CAUSE ANALYSIS AND PROTECTIVE MEASURES FOR CORROSIVE PERFORATION OF CONDENSER’S COPPER TUBES IN YUNFU POWER PLANT[J]. Thermal power generation, 2005, (7): 47-49.
DOI：

LI Lin, WANG Jiu-zhen. CAUSE ANALYSIS AND PROTECTIVE MEASURES FOR CORROSIVE PERFORATION OF CONDENSER’S COPPER TUBES IN YUNFU POWER PLANT[J]. Thermal power generation, 2005, (7): 47-49. DOI： 10.19666/j.rlfd.2005.07.015.

摘要

对云浮电厂3号、4号机组凝汽器铜管腐蚀穿孔原因进行分析

根据铜管成分、腐蚀形态和腐蚀产物以及循环水水质分析结果

判断腐蚀类型为点腐蚀

原因是铜管内表面存在残碳膜以及水中化学耗氧量(COD)和硫化物含量超标。采用硫酸亚铁一次成膜和循环水中加合适的阻垢剂

使问题得以解决。

Abstract

The causes leading to corrosive perforation of condenser’s copper tubes for units no.3 and no.4 in Yunfu Power Plant have been carried out. Based on analysis results of copper tubes’ composition

corrosion formation

corrosive products

and quality of the circulating water

it is determined that the corrosion type to be pitting attack

and the causes to be residual carbon film existing on inner surface of the copper tubes

as well as the chemical oxygen dissipation (COD) and sulphide content in the water to be over standard. After adopting ferrous sulphate for single filming

and adding suitable amount of antiscalant into the circulating water

the said problem has been solved.

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