STATUS QUO OF CHIMNEY CORROSION IN WET FGD SYSTEM AND SELECTION OF ANTI-CORROSION SCHEME

BAI Xueli; ZHENG Xiaoyong; ZHANG Jin Shanxi Zhangshan Power Generation Co Ltd

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STATUS QUO OF CHIMNEY CORROSION IN WET FGD SYSTEM AND SELECTION OF ANTI-CORROSION SCHEME

更新时间：2025-09-28

- STATUS QUO OF CHIMNEY CORROSION IN WET FGD SYSTEM AND SELECTION OF ANTI-CORROSION SCHEME
- Thermal Power Generation Vol. 40, Issue 2, Pages: 84-87(2011)
- 作者机构：
  
  山西漳山发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701.3
- Published：2011
- 稿件说明：
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BAI Xueli, ZHENG Xiaoyong, ZHANG Jin Shanxi Zhangshan Power Generation Co Ltd. STATUS QUO OF CHIMNEY CORROSION IN WET FGD SYSTEM AND SELECTION OF ANTI-CORROSION SCHEME[J]. Thermal power generation, 2011, 40(2): 84-87.
DOI：

BAI Xueli, ZHENG Xiaoyong, ZHANG Jin Shanxi Zhangshan Power Generation Co Ltd. STATUS QUO OF CHIMNEY CORROSION IN WET FGD SYSTEM AND SELECTION OF ANTI-CORROSION SCHEME[J]. Thermal power generation, 2011, 40(2): 84-87. DOI：

摘要

未配置烟气换热器(GGH)的湿法脱硫装置后的烟囱简称湿烟囱。因排烟温度低、冷凝酸性水量大

许多湿烟囱投产不久就出现腐蚀问题。为此

分析湿烟囱出现腐蚀的原因

介绍湿烟囱采用的各类防腐工艺及其效果

总结出湿烟囱防腐方案选择原则。根据材料试验及实际运行结果

提出了可将GD-APC杂化聚合结构层防腐新工艺用于新建湿烟囱的防腐和旧烟囱防腐改造。

Abstract

The chimney without installing gas-gas heater(GGH) is simply called wet chimney.Because of low temperature of the discharged flue gas

and a large amount of the acidic condensated water

the corrosion problems occurred in wet chimneys soon after the said chimneys being put into operation.For this

the causes leading to corrosion in wet chimneys have been analysed

and the anti-corrosion technologies used for wet chimneys and their effectiveness being presented.The selection principles for anti-corrosion technologies in wet chimneys being summarized up.On the basis of materical test and practical results in operation

it is recommended to use a new anti-corrosion technology of GD-APC mixed polymerization for anti-corrosion in wet chimneys being newly constructed and for anti-corrosion of old chimneys to be retrofitted.

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