EXPLORING ANALYSIS OF CORROSION CONCERNING STAINLESS STEEL TUBES IN CONDENSER DUE TO TUBING DEFECTS AND MICROBE AS WELL AS THEIR SYNERGETIC EFFECT

JI Eyu1; LI Xianhong2; YAO Jiexin2 1.Nanyang College of Science and Technology

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EXPLORING ANALYSIS OF CORROSION CONCERNING STAINLESS STEEL TUBES IN CONDENSER DUE TO TUBING DEFECTS AND MICROBE AS WELL AS THEIR SYNERGETIC EFFECT

Thermal Power Generation Vol. 40, Issue 12, Pages: 38-42(2011)

更新时间：2025-09-28

- EXPLORING ANALYSIS OF CORROSION CONCERNING STAINLESS STEEL TUBES IN CONDENSER DUE TO TUBING DEFECTS AND MICROBE AS WELL AS THEIR SYNERGETIC EFFECT
- 作者机构：
  
  1. 南阳理工学院生物与化学工程学院
  2. 鸭河口发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK264.11
- Published：2011
- 稿件说明：
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JI Eyu1, LI Xianhong2, YAO Jiexin2 1.Nanyang College of Science and Technology. EXPLORING ANALYSIS OF CORROSION CONCERNING STAINLESS STEEL TUBES IN CONDENSER DUE TO TUBING DEFECTS AND MICROBE AS WELL AS THEIR SYNERGETIC EFFECT[J]. Thermal Power Generation, 2011, 40(12): 38-42.
DOI：

JI Eyu1, LI Xianhong2, YAO Jiexin2 1.Nanyang College of Science and Technology. EXPLORING ANALYSIS OF CORROSION CONCERNING STAINLESS STEEL TUBES IN CONDENSER DUE TO TUBING DEFECTS AND MICROBE AS WELL AS THEIR SYNERGETIC EFFECT[J]. Thermal Power Generation, 2011, 40(12): 38-42. DOI：

摘要

结合某发电厂1号、2号机组凝汽器不锈钢管水侧腐蚀部位分布和腐蚀特征

分别对腐蚀部位沉积物和内壁蚀孔附近管材成分进行成分、电镜和能谱分析

结果发现管材缺陷和微生物腐蚀在点蚀形成过程中具有协同作用。探讨了管材缺陷与微生物对凝汽器不锈钢管腐蚀的电化学反应机理

并在综合分析不锈钢腐蚀的影响因素基础上

提出了不锈钢凝汽器在运行过程中应采取的防护措施。

Abstract

Combined with the position distribution and the corrosion features on water-side of stainless steel tubes in the condenser of unit no.1 and no.2 in one power plant

the sediments on corrosion position and tubing composition near the corrosion holes on the inner wall have been analysed by using chemical analysis

electron microscope and energy spectrum analysis respectively

it is discovered from analysis that the tubing defects and microbial corrosion have synergetic effect in the process of pitting attack.The electrochemical reaction mechanism of corrosion concerning stainless steel tubes in condenser due to tubing defects and microbe has been explored and discussed

on the basis of comprehensively analyzing the affecting factors upon corrosion of the stainless steel tubes

the protective measures needing to be taken for stainless steel tubes in the operation process of condenser have been put forward.

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