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GB/T 41759-2022: Technical specifications of corrosion inhibitor for grounding grid resistance-reducing material
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| GB/T 41759-2022 | English | 269 |
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Technical specifications of corrosion inhibitor for grounding grid resistance-reducing material
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GB/T 41759-2022
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Basic data | Standard ID | GB/T 41759-2022 (GB/T41759-2022) | | Description (Translated English) | Technical specifications of corrosion inhibitor for grounding grid resistance-reducing material | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A29 | | Classification of International Standard | 25.220.99 | | Word Count Estimation | 14,138 | | Date of Issue | 2022-10-14 | | Date of Implementation | 2023-05-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41759-2022: Technical specifications of corrosion inhibitor for grounding grid resistance-reducing material
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical specifications of corrosion inhibitor for grounding grid resistance-reducing material
ICS 25.220.99
CCSA29
National Standards of People's Republic of China
Technical specification for corrosion inhibitors for grounding grid resistance-reducing materials
resistance-reducing material
Published on 2022-10-12
2023-05-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical requirements 1
5 Inspection methods and rules 2
6 Marking, packaging and storage 4
Appendix A (Normative) Determination of Corrosion Inhibition Efficiency 5
Appendix B (normative) Determination of Nominal Resistivity 6
Appendix C (normative) Determination of impulse and power frequency current tolerance 8
Appendix D (normative) Determination of stability 10
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee on Corrosion Control (SAC/TC381).
This document is drafted by. Shenyang Zhongke Corrosion Control Engineering Technology Co., Ltd., State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research
Institute, State Grid Hunan Electric Power Co., Ltd. EHV Transmission Company, China Eclipse International Corrosion Control Engineering Technology Research Institute (Beijing) Co., Ltd., State Grid Corporation of China
Grid Jiangxi Electric Power Co., Ltd. Electric Power Research Institute, State Grid Shaanxi Electric Power Company Electric Power Research Institute, State Grid Xinjiang Electric Power Co., Ltd.
Electric Power Research Institute, Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Xi'an Thermal Engineering Research Institute Co., Ltd., Nanchang Aeronautical University, Shenyang
Yangzhou University of Technology, Shenzhen Power Supply Bureau Co., Ltd., State Grid Hunan Electric Power Co., Ltd. Electric Power Research Institute, Chengdu Nuojia Weiye Technology Co., Ltd.
Company, Jiangsu Zhongkuang Dazheng Surface Engineering Technology Co., Ltd., Shenyang Zhongke Environmental Engineering Technology Development Co., Ltd., Zhongdian Huachuang Power Technology
Research Co., Ltd., Henan Puxin Anticorrosion Construction Engineering Co., Ltd., Jiangsu Dibang Construction Engineering Co., Ltd., China Corrosion Control Technology
association.
The main drafters of this document. Zang Hanyu, Jin Wei, Zhou Haifei, Li Zhiguo, Li Huaxu, Deng Zhiyong, Liu Lanlan, Wang Guiming, Li Jike, Pei Feng,
Wang Sen, Bai Xiaochun, Li Wei, Gao Feng, He Cheng, Zhang Liang, Lv Wangyan, Liang Yongchun, Liu Feng, Zhang Hongbo, Liu Guangming, You Junhua, Xiang Zhen, Xu Song,
He Hualin, Kang Zhuangsu, Fang Erbao, Chen Bo, Chen Jianwei, Zhao Xiangyue, Ji Chuanling, Yu Faxin, Wang Yajie.
Technical specification for corrosion inhibitors for grounding grid resistance-reducing materials
1 Scope
This document specifies the technical requirements, inspection methods and rules, marking, packaging and storage of corrosion inhibitors for inorganic resistance reducing materials for grounding grids.
Require.
This document applies to the resistance reduction materials of steel grounding grids for industrial and civil power installations. For pure copper (or copper-plated steel) grounding grid resistance reducing materials
The technical conditions for using corrosion inhibitors are for reference.
Note. Corrosion inhibitor for grounding grid resistance-reducing material means that it can be used to inhibit and slow down the resistance-reducing material after being evenly mixed with the grounding grid resistance-reducing material on the steel used to make the grounding grid
Corrosive substances such as metals.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 16927.3-2010 High Voltage Test Technology Part 3.Definition and Requirements of Field Test
GB/T 24196-2009 Electrochemical test methods for corrosion of metals and alloys—Guidelines for potentiostatic and potentiodynamic polarization measurements
DL/T 380-2010 Technical requirements for grounding resistance-reducing materials
3 Terms and Definitions
The terms and definitions defined in DL/T 380-2010 and the following terms and definitions apply to this document.
3.1
Engineering materials used to reduce the grounding resistance of the grounding grid and lay (cast) around the grounding body in the grounding grid.
Note. Including resistance reducing agent, conductive cement and materials that constitute grounding units such as grounding modules.
3.2
Corrosion inhibitor
Existing in the corrosion system at an appropriate concentration does not significantly change the properties and concentration of the corrosion medium, and can significantly reduce the corrosion rate.
substance.
3.3
Corrosion inhibitors reduce the relative extent to which the resistance-reducing material corrodes the steel grounding grid.
4 Technical requirements
4.1 General requirements
4.1.1 The amount of corrosion inhibitor added to the resistance reducing material of the grounding grid should not exceed 5%.
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