Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Electrical Equipment Industry Association.
This standard is under the jurisdiction of SAC/TC 342 National Technical Committee on Fuel Cell and Flow Battery of Standardization Administration of China.
Technical requirements of hydrogen supply system for proton exchange membrane fuel cells
1 Scope
This standard specifies the system classification, technical requirements, test methods, identification, packaging and transportation of hydrogen supply system for proton exchange membrane fuel cells (hereinafter referred to as "fuel cell hydrogen supply system" or "hydrogen supply system").
This standard is applicable to the system supplying hydrogen for proton exchange membrane fuel cells.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 3634.1 Hydrogen - Part 1: Industrial hydrogen
GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)
GB/T 6681 General rules for sampling gaseous chemical products
GB 12358 Gas monitors and alarms for workplace - General technical requirements
GB 16808 Combustible gas alarm control units
GB/T 17626.2-2006 Electromagnetic compatibility (EMC) - Testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3-2016 Electromagnetic compatibility - Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system
GB/T 24548 Fuel cell electric vehicles - Terminology
IEC 61779-6 Electrical apparatus for the detection and measurement of flammable gases - Part 6: Guide for the selection, installation, use and maintenance of apparatus for the detection and measurement of flammable gases
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 20042.1, GB/T 24499 and GB/T 24548 and the following apply.
3.1
fuel cell hydrogen supply system
assembly of equipment that supplies hydrogen for fuel cells and is related to production, storage and supply of hydrogen
3.2
hydrogen storage vessel
vessel for containing hydrogen or hydrogen storage materials, which does not include any accessories placed or embedded inside or outside the vessel
3.3
hydrogen production material
material that produces hydrogen by itself or through physical or chemical processes with other materials
3.4
hydrogen production equipment
equipment that produces hydrogen through the physical or chemical processes of hydrogen production material
Note: The equipment includes a filling port of hydrogen production material.
4 System classification
According to different chemical forms of the hydrogen stored, the hydrogen supply system may be classified into:
——Hydrogen supply system for proton exchange membrane fuel cells that stores hydrogen in gaseous elemental form, that is, the system that stores hydrogen in hydrogen storage vessel and directly supplies hydrogen for fuel cell, consisting of the following single equipment or devices: hydrogen storage vessel, hydrogen pipeline, stop valve, pressure reducing valve, pressure relief device, heat exchange device, monitoring device and other auxiliary devices, etc. The structural diagram is shown in Figure 1. The pipe fitting assembly in the figure includes components, pipelines and joints that are in direct contact with hydrogen or become part of the hydrogen supply system, and may be composed of metal and nonmetal pipe fittings.
——Hydrogen supply system for proton exchange membrane fuel cells that stores hydrogen in compound form, that is, the system that uses hydrogen production material, mainly including metal hydrogen storage compounds, liquid organic hydrogen storage compounds, ammonia hydrogen storage compounds, methanol, liquid water, etc., to prepare hydrogen through physical or chemical processes so as to supply hydrogen to fuel cells, consisting of the following devices: hydrogen production reaction device, protective cover/shell, radiator, hydrogen purification device, gas buffer device, pipeline, monitoring device and other auxiliary devices, etc. The structural diagram is shown in Figure 2.
Figure 1 Schematic structural diagram of a fuel cell hydrogen supply system that stores hydrogen in gaseous elemental form
Figure 2 Schematic structural diagram of a fuel cell hydrogen supply system that stores hydrogen in compound form
5 Technical requirements
5.1 General requirements
5.1.1 General
The fuel cell hydrogen supply system shall meet the technical requirements for the scale and quality of hydrogen of fuel cells and be reasonably configured. The design, manufacture, inspection and acceptance of single equipment or devices, pipe fittings and materials used shall meet the requirements of relevant standards.
5.1.2 Vibration and impact
The fuel cell hydrogen supply system shall be able to resist vibration and impact to a certain extent, so as to ensure that the vibration and impact generated during normal use, transportation or storage will not damage the components of the hydrogen supply system. Anti-vibration facilities may be installed to avoid adverse effects caused by vibration and impact, including vibration and impact caused by single and auxiliary equipment in the system itself, as well as by external environment.
After subjected to adverse vibration and impact, the hydrogen supply system shall meet the requirements of 6.2.1 and 6.2.2, and preventive measures shall be taken to ensure the safety of person and property.
5.1.3 Material selection
The fuel cell hydrogen supply system is in direct or indirect contact with hydrogen, so it shall be compatible with hydrogen, and the selected materials shall meet the following requirements:
——Under all use conditions, the materials shall have necessary chemical stability, and free of various forms of chemical reactions during use to avoid polluting the hydrogen. Hydrogen brittleness, hydrogen corrosion, stress corrosion and other forms of corrosion shall be avoided as much as possible. The hydrogen brittleness resistance of the selected materials may be tested in accordance with ISO 11114-4.
——The materials shall adapt to the changes of the physical environment of hydrogen supply system, meet the requirements of various mechanical properties, and maintain stable mechanical properties under use conditions.
——The materials of non-metal pipelines and related fittings shall meet the requirements of corresponding standards.
Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 System classification 5 Technical requirements 6 Test methods 7 Identification 8 Packaging and transportation Annex A (Normative) Sealing/venting test of sealed box Annex B (Informative) Equation and coefficient of hydrogen compressibility factor Bibliography
ICS 27.070 K 82 中华人民共和国国家标准 GB/T 34872—2017 质子交换膜燃料电池供氢系统技术要求 Technical requirements of hydrogen supply system for proton exchange membrane fuel ceils 2017-11-01发布 2018-05-01实施 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 发布 前言 本标准按照GB/T 1.1—2009给出的规则起草。 本标准由中国电器工业协会提出。 本标准由全国燃料电池及液流电池标准化技术委员会(SAC/TC 342)归口。 质子交换膜燃料电池供氢系统技术要求 1范围 本标准规定了质子交换膜燃料电池供氢系统(以下简称“燃料电池供氢系统”或“供氢系统”)的系统分类、技术要求、试验方法、标识、包装及运输。 本标准适用于质子交换膜燃料电池提供氢气的系统。 2规范性引用文件 下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。 GB/T 3634.1 氢气 第1部分:工业氢 GB/T 4208—2017外壳防护等级(IP代码) GB/T 6681气体化工产品采样通则 GB 12358作业场所环境气体检测报警仪 通用技术要求 GB 16808可燃气体报警控制器 GB/T 17626.2—2006 电磁兼容 试验和测量技术 静电放电抗扰度试验 GB/T 17626.3—2016 电磁兼容 试验和测量技术 射频电磁场辐射抗扰度试验 GB/T 18384(所有部分)电动汽车 安全要求 GB/T 20042.1质子交换膜燃料电池 第1部分:术语 GB/T 24499氢气、氢能与氢能系统术语 GB/T 24548燃料电池电动汽车 术语 IEC 61779-6可燃性气体的检测和测量的电气装置 第6部分:可燃气体检测和测量装置的选择、安装、使用和维护指南(Electrical apparatus for the detection and measurement of flammable gases—Part 6:Guide for the selection,installation,use and maintenance of apparatus for the detection and measurement of flammable gases) 3术语和定义 GB/T 20042.1、GB/T 24499和GB/T 24548界定的以及下列术语和定义适用于本文件。 3.1 燃料电池供氢系统fuel cell hydrogen supply system 为燃料电池供应氢气,与氢气的制备、存储与供给相关的装置总和。 3.2 储氢容器hydrogen storage vessel 用于容纳氢气或储氢材料的容器,不包括放置或嵌在容器内部或外部的任何附件。 3.3 产氢物质hydrogen production material 本身或与其他物质通过物理或化学过程产生氢气的物质。 3.4 制氢装置hydrogen production equipment 通过产氢物质的物理或化学过程产生氢气的装置。 注:该装置包括产氢物质的加注口。 4系统分类 供氢系统按照储氢的化学形态不同可分为: ——以气态单质形式储存氢气的质子交换膜燃料电池供氢系统,即将氢气存储于储氢容器直接为燃料电池供应氢气的系统,包括下列单体设备或装置:储氢容器、氢气管路、截止阀、减压阀、压力释放装置、换热装置、监测装置和其他附属装置等。结构示意图如图1所示。图中管件总成包括与氢直接接触或者成为供氢系统一部分的元件、管路及接头等,可以由金属和非金属管件构成。 ——以化合物形式储存氢气的质子交换膜燃料电池供氢系统,即利用产氢物质,主要有金属储氢化合物、液态有机储氢化合物、氨类储氢化合物、甲醇、液态水等通过物理或化学过程制备氢气,实现向燃料电池供应氢气的系统,包括下列装置:制氢反应装置、防护罩/外壳、散热器、氢气纯化装置、气体缓冲装置、管路、监测装置和其他附属装置等。结构示意图如图2所示。
参考文献 [1]GB/T 3634.2—2011 氢气 第2部分:纯氢、高纯氢和超纯氢 [2]GB/T 13306标牌 [3]ISO 11114-4 Transportable gas cylinders—Compatibility of cylinder and valve materials with gas contents—Test methods for selecting metallic materials resistant to hydrogen embrittlement [4]ISO 14687(ail parts)Hydrogen fuel—Product specification [5]Jinyang Zheng,Xin Zhang,Ping Xu. etl. Standardized equation for hydrogen gas compressibility factor for fuel consumption applications. International Journal of Hydrogen Energy,41(2016),6610—6617