300MW汽轮机低压转子叶片腐蚀原因分析及对策

华电技术 ›› 2016, Vol. 38 ›› Issue (7): 43-46.

300MW汽轮机低压转子叶片腐蚀原因分析及对策

1.浙江浙能技术研究院有限公司，杭州〓310003； 2.浙江浙能嘉华发电有限公司，浙江嘉兴〓314201

出版日期:2016-07-25 发布日期:2016-09-23

Analysis on the reason and countermeasure about low pressure rotor blade corrosion in 300MW steam turbine unit

1.Zhejiang Zheneng Electric Power Company Limited, Hangzhou 310003, China; 2.Zhejiang Zheneng Jiahua Electric Power Company Limited, Jiaxing 314201, China

Online:2016-07-25 Published:2016-09-23

摘要/Abstract

摘要：

摘要：在目前国内高参数火力发电机组汽水指标控制均良好的情况下，对某电厂300MW机组低压转子腐蚀原因进行分析，从机组水汽控制指标、机组真空度、初凝区、停炉保护、材质等方面阐述了造成低压转子叶片腐蚀的原因，并提出相应的防范措施，确保机组安全、经济运行。

关键词:

关键词：汽轮机叶片, 氧腐蚀, 初凝区, 氯离子, 点蚀, 氢电导率

Abstract:

Abstract:In the circumstances that thermal power plant has been running great under highparameter, this paper chose a certain power plant to analysis the reason caused low pressure rotor corrosion in 300MW unit, including moisture control indicators, vacuum degree of the unit, initial condensing zone, shutdown boiler protection, etc. This paper also brings about precaution to above situation to make sure safe operation of the unit.

Key words:

Keywords:turbine blade, oxygen corrosion, initial condensing zone, chloridion, corrosive pitting, hydrogen conductivity

高强生1，赵苏平2. 300MW汽轮机低压转子叶片腐蚀原因分析及对策[J]. 华电技术, 2016, 38(7): 43-46.

GAO Qiangsheng1,ZHAO Suping2.

Analysis on the reason and countermeasure about low pressure rotor blade corrosion in 300MW steam turbine unit

[J]. Huadian Technology, 2016, 38(7): 43-46.