GB/T 25314-2010Requirements of corrosion management program for mechanical equipment in nuclear power plants (English PDF)

2.1 Risk of corrosion

Under service conditions, mechanical equipment and the probability of occurrence of corrosion hazard.

2.2 Corrosion preventive management

In order to avoid or mitigate the corrosion of equipment, machinery and equipment to carry out planned, periodic active anti-corrosion management activities. Including regular

Corrosion inspection, corrosion defect treatment, corrosion assessment.

2.3 Corrosion sensitive key equipment

And high risk of corrosion and crew safety, reliability, economy-related machinery and equipment.

2.4 Corrosion management program

Collection of corrosion preventive management activities.

3.1 General Requirements

3.1.1

key equipment are susceptible to corrosion preventive corrosion management, should develop nuclear power plant machinery and equipment corrosion management program.

3.1.2

prior to the preparation of the corrosion management program to deal with the whole plant machinery and equipment to carry out the corrosion risk analysis.

3.1.3

Nuclear Power Plant machinery and equipment corrosion corrosion management program should be developed and implemented document management system.

3.1.4

should regularly evaluate the effectiveness of adaptive and corrosion management program, according to the experience feedback and effects of nuclear power plant machinery

Equipment corrosion management program be revised.

3.2 Content Requirements

3.2.1

The basis for determining the content and methods of corrosion risk analysis.

3.2.2

determine the corrosion sensitive and critical equipment selection principles, establish corrosion sensitive critical device database.

3.2.3

determining corrosion preventive management approach and content.

3.2.4

determine the implementation of document management system corrosion, specify the contents and elements of various types of files that should be included.

4.1 Corrosion Risk Analysis Background

Corrosion risk analysis should be aware of at least the following information.

a) nuclear power plant machinery and equipment in service conditions, including environmental and operating conditions;

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