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GB/T 29729-2022: Essential requirements for the safety of hydrogen systems
GB/T 29729-2022
ICS 27.010
CCSF19
National Standards of People's Republic of China
Replacing GB/T 29729-2013
Basic Requirements for Hydrogen System Safety
Posted on 2022-12-30
2023-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Range 1
2 Normative references 1
3 Terms and Definitions 2
4 Category 3 of hydrogen systems
4.1 Hydrogen production system 3
4.2 Hydrogen storage system 3
4.3 Hydrogen delivery system 3
4.4 Hydrogen system 3
5 Basic properties of hydrogen 3
5.1 Thermophysical properties 3
5.2 Combustion characteristics 3
6 Hazard factors for hydrogen systems4
6.1 Leaks and seepage 4
6.2 Hazards related to combustion4
6.3 Stress-related risk factors4
6.4 Temperature-related hazards4
6.5 Hydrogen corrosion and hydrogen embrittlement 4
6.6 Physiological hazards 5
7 Risk Control 5
7.1 Basic principles 5
7.2 Design risk control 5
7.3 Requirements for hydrogen facilities10
7.4 Testing requirements 11
7.5 Fire and Explosion Risk Control 12
7.6 Operational requirements 13
7.7 Emergencies 14
Appendix A (Informative) Typical Hydrogen Production System 15
A.1 Water electrolysis hydrogen production system 15
A.2 Natural gas steam reforming hydrogen production system15
A.3 Methanol conversion hydrogen production system 16
A.4 Coal gasification hydrogen production system 16
A.5 Wind and solar water electrolysis hydrogen production system17
Appendix B (Informative) Properties of Hydrogen 18
B.1 Physical and thermophysical properties of normal hydrogen and parahydrogen 18
B.2 Comparison of thermophysical properties of hydrogen and other common gases 20
B.3 Comparison of thermophysical properties of liquid hydrogen and other liquefied gases 21
Appendix C (Informative) Combustion Characteristics of Hydrogen 22
C.1 Combustion properties of hydrogen 22
C.2 Combustion characteristics of hydrogen compared with other common fuels 22
Appendix D (Informative) Metallic and non-metallic materials commonly used in hydrogen environments 24
D.1 Metallic materials 24
D.2 Non-metallic materials 26
Reference 27
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 for Standardization Documents"
drafting.
This document replaces GB/T 29729-2013 "Basic Requirements for Hydrogen System Safety".
In addition to rectification and editorial changes, the main technical changes are as follows.
---Increased hydrogen partial pressure, fixed hydrogen storage container, liquid hydrogen booster pump, slurry hydrogen, orthohydrogen, parahydrogen, normal hydrogen, liquid hydrogen, hydrogenation combined construction station
Terms and definitions (see 3.3~3.11);
---Changed the relevant provisions of hydrogen production system, hydrogen storage system and hydrogen transmission system in the category of hydrogen system (see 4.1~4.3,.2013 edition
4.1~4.3);
--- Increased the relevant provisions of the hydrogen system in the hydrogen system category (see 4.4);
--- Increased hydrogen flame detection requirements (see 6.2.3);
---Changed the relevant regulations on hazardous factors related to solid-state hydrogen storage (see 6.3.4, 6.3.5, 6.5 of the.2013 edition);
--- Increased the relevant provisions related to temperature-related risk factors (see 6.4.3~6.4.5);
--- Increased the relevant provisions of hydrogen suffocation (see 6.6.3);
--- Increased the relevant provisions on ignition sources and detection and alarm devices in the basic principles of risk control [see 7.1e) and f)];
--- Added the relevant provisions on safety integrity evaluation in the basic requirements for hydrogen system design [see 7.2.1d)];
---Changed the hydrogen compatibility test of materials and the relevant provisions of materials commonly used in hydrogen environment (see 7.2.2.5, 7.2.2.5 of the.2013 edition);
---Changed the hydrogen storage container, liquid hydrogen storage container, solid hydrogen storage container, pump and compressor, liquid hydrogen and slurry hydrogen pipeline, safety release
Relevant regulations on risk control of devices, valves and filters (see 7.2.3.1~7.2.3.5, 7.2.4.3.3, 7.2.5.1, 7.2.5.2, 7.5.2.4,
7.2.3.1~7.2.3.5, 7.2.4.3.3, 7.2.5.1, 7.2.5.2, 7.5.2.4 of the.2013 edition);
--- Added relevant requirements for flame arresters (see 7.2.5.6);
--- Changed the relevant regulations on ventilation requirements, venting and flare (see 7.3.2.4, 7.3.4, 7.3.2.4, 7.3.4 of the.2013 edition);
---Changed the relevant provisions of the hydrogen leak detection and alarm device (see 7.4.1, 7.4.1 of the.2013 edition);
---Changed the relevant regulations on preventing accidental mixing of hydrogen/oxygen and eliminating ignition sources (see 7.5.1, 7.5.2.1, 7.5.1,.2013 edition
7.5.2.1).
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed and managed by the National Hydrogen Energy Standardization Technical Committee (SAC/TC309).
This document was drafted by. Zhejiang University, China National Institute of Standardization, Beijing Heidelisen Technology Co., Ltd., Foshan Green Development Innovation Research Institute
Research Institute, South China Hydrogen Safety Promotion Center, Nanhai District, Foshan City, Tongji University, Weichai Power Co., Ltd., Zhengzhou Zhengzhou Co., Ltd.
Division, Zhangjiagang Hydrogen Cloud New Energy Research Institute Co., Ltd., Electric Power Planning General Institute Co., Ltd., Guangdong Energy Group Science and Technology Research Institute Co., Ltd.
Division, Beijing Jingneng Technology Co., Ltd., China Hydrogen Green Source (Guangdong) Technology Co., Ltd., and China Energy Conservation Association.
The main drafters of this document. Zheng Jinyang, Yang Yanmei, Han Wulin, Shang Juan, Bao Wei, Xu Ping, Chen Lixin, Zhang Ruiming, Li Hailong, Zhang Cunman,
Du Lifeng, Zhang Bangqiang, Zhou Liang, Dynasty, Rao Mumin, Zhang Chao, Liu Yulong, Zhang Chao, Li Mingxin, Wang Dexin, Pan Fengwen, Dong Jiangbo, Chai Bo.
This document was first published in.2013, and this is the first revision.
Basic Requirements for Hydrogen System Safety
1 Scope
This document specifies the categories of hydrogen systems, the basic characteristics of hydrogen, the hazard factors of hydrogen systems and the basic requirements for risk control.
This document applies to the design and use of hydrogen production, storage, transportation and application systems.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 150 (all parts) pressure vessels
GB 2894 Safety Signs and Guidelines for Their Use
GB 4962 Safety technical regulations for hydrogen use
GB/T 5099 (all parts) steel seamless gas cylinders
GB 5908 Petroleum Storage Tank Flame Arrester
GB 12014 Protective Clothing Anti-static Clothing
GB 12358 General technical requirements for ambient gas detection and alarm devices in workplaces
GB/T 13347 Petroleum gas pipeline flame arrester
GB 16808 Combustible gas alarm controller
GB/T 19773 Technical Requirements for Hydrogen Purification System by Pressure Swing Adsorption
GB/T 19774 Technical requirements for water electrolysis hydrogen production system
GB 21148 Foot protection safety shoes
GB/T 24499 Terminology of hydrogen gas, hydrogen energy and hydrogen energy system
GB/T 33292 Metal hydride hydrogen storage system for fuel cell backup power
GB/T 33145 Large volume steel seamless gas cylinders
GB/T 34542.2 Hydrogen storage and delivery system Part 2.Test method for compatibility between metal materials and hydrogen environment
GB/T 34542.3 Hydrogen storage and delivery system Part 3.Test method for susceptibility to hydrogen embrittlement of metallic materials
GB/T 34544 Safety test method for low-pressure hydrogen storage device for small fuel cell vehicles
GB/T 35544 Compressed hydrogen aluminum liner carbon fiber fully wound gas cylinders for vehicles
GB 50058 Code for Design of Power Installations in Explosive Hazardous Atmospheres
GB 50156 Technical Standard for Vehicle Refueling, Gas and Hydrogen Refueling Stations
GB 50177 Specifications for Design of Hydrogen Stations
GB 50217 Design Standards for Power Engineering Cables
GB 50275 Specifications for Construction and Acceptance of Fan, Compressor and Pump Installation Engineering
GB 50516 Technical Specifications for Hydrogen Refueling Stations
JB4732 Steel Pressure Vessel --- Analysis and Design Standard
NB/T 10354 Long Tube Trailer
NB/T 10558 Pressure vessel coating and transport packaging
SH/T 3413 Standards for selection, inspection and acceptance of flame arresters for petrochemical petroleum gas pipelines