GB/T 31404-2015Technical specification for anticorrosion operation of seawater circulation system in nuclear power plant (English PDF)
核电站海水循环系统防腐蚀作业技术规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 15, 2015
Implementation date
October 1, 2015
Scope
GB/T 31404-2015 is the English-translated version of 核电站海水循环系统防腐蚀作业技术规范.
GB/T 31404-2015 is the Chinese standard "Technical specification for anticorrosion operation of seawater circulation system in nuclear power plant".
Its scope clause reads: This standard specifies the nuclear power plant water circulation system General job corrosion, coatings, cathodic protection monitoring and detection systems and other technical requirements.
This standard applies to coastal nuclear power plant water circulation system against corrosion job.
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Document preview — GB/T 31404-2015
National Standard of the People's Republic of China
- ICS
- 25.220.99
- Classification
- A 29
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 General
- 5 2 anti-corrosion coating
- 5.1 Design
- 5.2 Surface Treatment
- 5.3 coating
- 5.4 Maintenance and repair coating
- 6 cathodic protection
- 6.1 General provisions
- 6.3 protection current density
- 6.4 electrical continuity
- 6.5 electrically insulating means
- 6.6 Cathodic Protection System
- 6.7 impressed current cathodic protection system
- 6.8 system records and documents
- 6.9 Operation and Maintenance
- 7 monitoring corrosion detection system
- 7.1 Sensor
- 7.2 measuring and collecting device
- 7.3 Data Management System
- Appendix A (informative) Calculation sacrificial anode
- Annex C (informative) impressed current cathodic protection design and calculation of
- Annex D (informative) DC power supply design calculations
1 Scope
This standard specifies the nuclear power plant water circulation system General job corrosion, coatings, cathodic protection monitoring and detection systems and other technical requirements.
This standard applies to coastal nuclear power plant water circulation system against corrosion job.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB Z1 Design of Industrial Enterprises hygiene standards
Determination of content of GB/T 1725 Paints, varnishes and plastics non-volatile
GB/T 1728 film, putties drying time assay
GB/T 1731 Determination of film flexibility
GB/T 1732 Determination of impact resistance of film
GB/T 1733 Determination of water resistance of the film
GB/T 1740 Determination of resistance to wet heat
Determination of GB/T 1768 Paints and varnishes rotating rubber wheel abrasion method
Determination of GB/T 1771 Paints and varnishes resistance to neutral salt spray
GB/T 4948 aluminum - zinc - indium alloy sacrificial anode
GB/T 4950 Zn - Al - Cd alloy sacrificial anode
GB/T 5210 Paints and varnishes - Pull - off adhesion test
GB/T 6750 Paints and varnishes - Determination of density Pyknometer
GB/T 7387 Technical requirements for marine reference electrode
GB/T 7388 Technical requirements for marine auxiliary anode
Determination of cathodic stripping properties GB/T 7790 Paints and varnishes exposed to sea water resistant coating
GB/T 8923.1-2011 steel substrates before application of paints and Visual assessment of surface cleanliness - Part 1. uncoated
Steel surface and the overall removal Rust grades and grade of steel surface coating after the original
GB/T 8923.2-2008 visual assessment of steel substrates before application of paints and surface cleanliness - Part 2. already coated
Local steel surface treatment after the removal of previous coatings Ratings
Determination of GB/T 13452.2 Paints and varnishes thickness
GB/T 16166 coastal power plant cooling water system Seawater Cathodic Protection
GB/T 17005 Marina facilities impressed current cathodic protection system
GB/T 18570.3 steel substrates before application of paints and paint assessment of surface cleanliness - Part 3. before application of paints
Dust the steel surface assessment (pressure-sensitive tape method)
GB/T 18581 interior decoration materials, solvent-based coatings of harmful substances
GB 24408 building exterior paint harmful substances
GB/T 50087 Industrial Enterprise Noise Control Design Specification
GB 50726 industrial equipment and pipeline anticorrosion construction specifications […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
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