Corrosion of Steam Generators In TIANWAN Nuclear Power Plant

J Chin Soc Corr Pro

2006, Vol. 26

Issue (6): 376-379 DOI:

Failure Analysis

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Corrosion of Steam Generators In TIANWAN Nuclear Power Plant

江苏联合职业技术学院连云港中医药分院江苏省连云港中医药高等职业技术学校

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Abstract Stress corrosion cracking and pit corrosion of steam generators In Tianwan Nuclear Power Plant is described,The cause of corosion is preservation method which is not correct during transportation and installation, measurement and suggestions for safe operation of steam generator is proposed. Steam generators should be protected dryly during outage, it is necessary to adjust scour project by using KOH-N2H4 alkali liquor instead of NH3-N2H4 alkali liquor,to reduce the content of deliquescent -oxygen and Cl- in water, to increase the pH value of the liquor, to purge of equipment regularly and to install reverse infiltration equipment in chemistry water treatment system.

Key words: Steam Generators Stress corrosion cracking Pit corrosion

Received: 02 March 2006

ZTFLH:

TG172.9

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. Corrosion of Steam Generators In TIANWAN Nuclear Power Plant. J Chin Soc Corr Pro, 2006, 26(6): 376-379 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2006/V26/I6/376

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