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GB/T 16166: Historical versions
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Sacrificial anode cathodic protection for seawater cooling system in coastal power station
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| GB/T 16166-1996 | English | 479 |
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Basic data
| Standard ID | GB/T 16166-2013 (GB/T16166-2013) |
| Description (Translated English) | Sacrificial anode cathodic protection for seawater cooling system in coastal power station |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | A29 |
| Classification of International Standard | 47.020.01 |
| Word Count Estimation | 14,183 |
| Older Standard (superseded by this standard) | GB/T 16166-1996 |
| Quoted Standard | GB/T 4948; GB/T 4950; GB/T 17731; DL/T 5394; SY/T 0029 |
| Regulation (derived from) | National Standards Bulletin 2013 No. 23 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the coastal seawater power plant cooling water systems sacrificial anode cathodic protection in sea water and soil environment design criteria, installation, inspection, testing and replacement protective effect. This standard appl |
GB/T 16166-2013: Sacrificial anode cathodic protection for seawater cooling system in coastal power station
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Sacrificial anode cathodic protection for seawater cooling system in coastal power station
ICS 47.020.01
A29
National Standards of People's Republic of China
Replacing GB/T 16166-1996
Coastal seawater power plant cooling water system sacrificial anode
Cathodic protection
Issued on. 2013-11-27
2014-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 16166-1996 "coastal seawater power plant cooling water system sacrificial anode cathodic protection", and GB/T 16166-
The main technical changes compared to 1996 are as follows.
--- Increased stainless steel structure protection methods (see Section 4.1.6); increased iron anode size specifications (see Table 1); increased stainless
Steel, copper and copper alloy with respect to different reference electrode potential range (see Table 3);
--- Modified anode driving voltage (see 43, 1996 version 4.3.); Modify the protection potential (see Chapter 3, the first edition in 1996
Chapter 3); modify the test piece weighing weighing accuracy (see 72, 1996 edition 7.2); Modify the sacrificial anode replacement conditions (see
. 74, 1996 version 7.4); modified anode installation technical requirements (see 63, 1996 version 6.3).;
--- Remove the protective current density cooler (see Table 2, 1996 edition of the Table 2);
--- Modify the Coastal Power Plant underground pipeline cathodic protection, as a normative annex (see Appendix A, 1996 edition of Appendix A).
The standard proposed by China Shipbuilding Industry Corporation.
This standard by the National Standardization Technical Committee Marine boat marine materials application process Technical Committee (SAC/TC12/SC4)
Centralized.
This standard was drafted. China Shipbuilding Industry Corporation seventh twenty-five Institute, Qingdao Double Swiss Marine Environmental Engineering Co., Ltd.
China Nuclear Power Engineering Co., Ltd., East China Electric Power Design Institute, North China Electric Power Design Institute, Shenyang Electric Power Machinery Plant.
The main drafters of this standard. Wangting Yong, Yin Ping, Wang Chen phase, Chang E, Chen Kai, Xu Likun, Gui years, Wang Ren, Hai Zhu, Fu Bin, Zeng Chao,
Ren Junbing.
This standard replaces the standards previously issued as follows.
--- GB/T 16166-1996.
Coastal seawater power plant cooling water system sacrificial anode
Cathodic protection
1 Scope
This standard specifies the coastal seawater power plant cooling water system sacrificial anode cathodic protection in sea water and soil environment design criteria, installation,
Inspection, testing and replacement protective effect.
This standard applies to coastal seawater power plant cooling water system sacrificial anode cathodic protection. Binhai other chemical plants, power plants and high electrical estuary
Inland areas of groundwater conductivity power plant cooling water system Cathodic Protection can use reference.
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/T 4948 aluminum - zinc - indium alloy sacrificial anode
GB/T 4950 Zn - Al - Cd alloy sacrificial anode
GB/T 17731 magnesium alloy sacrificial anode
DL/T 5394 Power engineering underground metal structures corrosion Technical Guidelines
SY/T 0029 inspection of buried steel sheet corrosion rate test method
3 protection potential criterion
3.1 devices consisting of carbon steel, stainless steel, cast iron, copper alloys, components and piping, protective potential range should reach -0.85V ~ -1.10V
(With respect to the copper/saturated copper sulfate reference electrode, the same below).
3.2 devices consisting of titanium and steel, cast iron, copper alloys, titanium surface protection potential should not be lost to -0.80V.
3.3 stainless steel equipment, components and piping, protective potential range should reach -0.35V ~ -1.10V.
3.4 copper and copper alloy equipment, components and piping, protective potential range should reach -0.50V ~ -0.65V.
4 Cathodic Protection Design
4.1 sacrificial anode material selection
4.1.1 anode material should be used in accordance with the relevant provisions of GB/T 4948, GB/T 4950, GB/T 17731 and the like, or superior electrochemical performance
The above criteria and through the identification of material.
4.1.2 seawater and brackish water medium resistivity of less than 100Ω · cm, the sacrificial anode aluminum should be used.
4.1.3 resistivity of 100Ω · cm ~ 200Ω · cm in freshwater and seawater media should be made of zinc alloy sacrificial anode aluminum alloy or a suitable sacrifice
Sacrifice anode.
4.1.4 resistivity greater than 200Ω · cm of cooling water should be used magnesium alloy sacrificial anode aluminum or a suitable sacrificial anode.
4.1.5 Protection of seawater refrigeration equipment should be used for high-temperature aluminum alloy sacrificial anodes used in the media.
4.1.6 in seawater using a separate stainless steel, titanium, copper alloys and mixtures structure, should adopt the iron anode.
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