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 and is under the jurisdiction of the National Technical Committee on Hydrogen Energy of Standardization Administration of China (SAC/TC 309).
Technical conditions of pressurized water electrolysis system for hydrogen production
1 Scope
This standard specifies the terms and definitions, classification and designation, technical requirements, test and detection, marking and packaging of pressurized alkaline water electrolysis and pressurized proton exchange membrane (PEM) water electrolysis systems for hydrogen production.
This standard is applicable to pressurized alkaline water electrolysis and pressurized proton exchange membrane water electrolysis systems for hydrogen production with a working pressure of greater than or equal to 0.3MPa and less than or equal to 5.0MPa.
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 150
(All parts) Pressure vessels
GB/T 151 Heat exchangers
GB/T 629 Chemical reagent - Sodium hydroxide
GB/T 1972 Disc spring
GB/T 2306 Chemical reagent - Potassium hydroxide
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 3634.2 Hydrogen - Part 2: Pure hydrogen, high pure hydrogen and ultrapure hydrogen
GB 3836.1 Explosive atmospheres - Part 1: Equipment - General requirements
GB 3836.14 Explosive atmospheres - Part 14: Classification of areas - Explosive gas atmosphere
GB/T 3863 Industrial oxygen
GB 4793.1 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 5831 Determination of trace oxygen in the gases - Colorimetric method
GB/T 5832.1 Gas analysis - Determination of moisture - Part 1: Electrolytic method
GB/T 5832.2 Gas analysis - Determination of moisture - Part 2: Dew point method
GB/T 6285 Determination of trace oxygen in gases - Electrochemical method
GB/T 8984 Determination of carbon monoxide carbon dioxide and hydrocarbon in gases - Gas chromatographic method
GB/T 12241 Safety valves - General requirements
GB 12358 Gas monitors and alarms for workplace - General technical requirements
GB/T 13306 Plates
GB/T 13384 General specifications for packing of mechanical and electrical product
GB 16808 Combustible gas alarm controller
GB/T 16895.23 Low-voltage electrical installations - Part 6: Verification
GB/T 19142 Packaging for export commodity - General rule
GB/T 19774 Specification of water electrolyte system for producing hydrogen
GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system
GB/T 28060 Guidelines for phytosanitary regulating wood packaging material
GB/T 34542.1 Storage and transportation systems for gaseous hydrogen - Part 1: General requirements
GB/T 37563 Safety requirements for pressurized water electrolysis system for hydrogen production
GB 50030 Code for design of oxygen station
GB 50058 Code for design of electrical installations in explosive atmospheres
GB 50177 Design code for hydrogen station
HG 20202 Code for construction and acceptance of degreasing project
JB/T 4711 Coating and packing for pressure vessels transport
TSG 21 Supervision regulation on safety technology for stationary pressure vessel
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19774 and GB/T 24499 and the following apply.
3.1
pressure
force vertically applied to unit surface area of a vessel, which refers to gauge pressure hereof, unless otherwise specified
3.2
pressurized water electrolysis system for hydrogen production
water electrolysis system for hydrogen production composed of water electrolyzer with specified pressure and its auxiliary equipment, pipeline and its accessories, enclosure, etc.
3.3
alkaline water electrolysis system for hydrogen production
water electrolysis system for hydrogen production composed of alkaline water electrolyzer and its auxiliary equipment, pipeline and its accessories, enclosure, etc.
3.4
proton exchange membrane (PEM) water electrolysis system for hydrogen production
water electrolysis system for hydrogen production composed of PEM water electrolyzer and its auxiliary equipment, pipeline and its accessories, enclosure, etc.
3.5
enclosure
equipment cabinet used to separate, protect and support the electrical system and process system in the hydrogen production system
3.6
purge
blowing off and clearing dust, particles and flammable liquids generated in the system using nitrogen or oil-free dry air during equipment processing
3.7
replacement
blowing off and clearing the air and flammable, explosive, toxic and harmful gases in all equipment and pipelines in the hydrogen production system by inert gases other than CO2, such as N2, and filling and sealing all equipment and pipelines by such gases
3.8
standard temperature and pressure
state of gas at temperature of 0℃ and absolute pressure of 101.325kPa
4 Classification and designation
4.1 Pressurized alkaline water electrolysis system for hydrogen production
The product designation for pressurized alkaline water electrolysis system for hydrogen production shall consist of capital Chinese phonetic alphabets and Arabic numerals. The product purity may be implemented according to relevant requirements of GB/T 19774.
The designation method shall meet the following requirements:
4.2 Pressurized PEM water electrolysis system for hydrogen production
The product designation for pressurized PEM water electrolysis system for hydrogen production shall consist of capital Chinese phonetic alphabets and Arabic numerals. The product purity may be implemented according to relevant requirements of GB/T 19774.
The designation method shall meet the following requirements:
5 Technical requirements
5.1 Pressurized water electrolysis system for hydrogen production
5.1.1 General requirements
See Annex A for typical system block diagrams of alkaline water electrolysis system for hydrogen production and PEM water electrolysis system for hydrogen production.
5.1.2 Working conditions
5.1.2.1 The working environment of hydrogen production system shall be clean and well ventilated, and should be at 5~45℃.
5.1.2.2 The environment of the site where the hydrogen production system is located has explosion risk, and the classification of explosive hazardous areas shall meet the requirements of GB 50177 and GB 50058, and the fortification level of electrical facilities shall be Level 1.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Pressurized alkaline water electrolysis system for hydrogen production
4.2 Pressurized PEM water electrolysis system for hydrogen production
5 Technical requirements
5.1 Pressurized water electrolysis system for hydrogen production
5.2 Single equipment
5.3 Pipeline and accessories
5.4 Electrical equipment and wiring
5.5 Automatic control and monitoring
5.6 Assembly and installation
6 Test and detection
6.1 Test conditions
6.2 Test
6.3 Detection
7 Marking
8 Product accompanying documents
8.1 Handling and hoisting requirements
8.2 System and equipment drawings
8.3 Instruction manual
8.4 Installation and maintenance manual
9 Packaging
Annex A (Informative) Block diagram for typical pressurized water electrolysis system for hydrogen production
Annex B (Normative) Testing of gas output by volumetric method
Annex C (Informative) Method of calculating the gas output using DC current testing values
Annex D (Informative) Testing gas purity with analytical instruments
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 and is under the jurisdiction of the National Technical Committee on Hydrogen Energy of Standardization Administration of China (SAC/TC 309).
Technical conditions of pressurized water electrolysis system for hydrogen production
1 Scope
This standard specifies the terms and definitions, classification and designation, technical requirements, test and detection, marking and packaging of pressurized alkaline water electrolysis and pressurized proton exchange membrane (PEM) water electrolysis systems for hydrogen production.
This standard is applicable to pressurized alkaline water electrolysis and pressurized proton exchange membrane water electrolysis systems for hydrogen production with a working pressure of greater than or equal to 0.3MPa and less than or equal to 5.0MPa.
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 150
(All parts) Pressure vessels
GB/T 151 Heat exchangers
GB/T 629 Chemical reagent - Sodium hydroxide
GB/T 1972 Disc spring
GB/T 2306 Chemical reagent - Potassium hydroxide
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 3634.2 Hydrogen - Part 2: Pure hydrogen, high pure hydrogen and ultrapure hydrogen
GB 3836.1 Explosive atmospheres - Part 1: Equipment - General requirements
GB 3836.14 Explosive atmospheres - Part 14: Classification of areas - Explosive gas atmosphere
GB/T 3863 Industrial oxygen
GB 4793.1 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 5831 Determination of trace oxygen in the gases - Colorimetric method
GB/T 5832.1 Gas analysis - Determination of moisture - Part 1: Electrolytic method
GB/T 5832.2 Gas analysis - Determination of moisture - Part 2: Dew point method
GB/T 6285 Determination of trace oxygen in gases - Electrochemical method
GB/T 8984 Determination of carbon monoxide carbon dioxide and hydrocarbon in gases - Gas chromatographic method
GB/T 12241 Safety valves - General requirements
GB 12358 Gas monitors and alarms for workplace - General technical requirements
GB/T 13306 Plates
GB/T 13384 General specifications for packing of mechanical and electrical product
GB 16808 Combustible gas alarm controller
GB/T 16895.23 Low-voltage electrical installations - Part 6: Verification
GB/T 19142 Packaging for export commodity - General rule
GB/T 19774 Specification of water electrolyte system for producing hydrogen
GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system
GB/T 28060 Guidelines for phytosanitary regulating wood packaging material
GB/T 34542.1 Storage and transportation systems for gaseous hydrogen - Part 1: General requirements
GB/T 37563 Safety requirements for pressurized water electrolysis system for hydrogen production
GB 50030 Code for design of oxygen station
GB 50058 Code for design of electrical installations in explosive atmospheres
GB 50177 Design code for hydrogen station
HG 20202 Code for construction and acceptance of degreasing project
JB/T 4711 Coating and packing for pressure vessels transport
TSG 21 Supervision regulation on safety technology for stationary pressure vessel
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19774 and GB/T 24499 and the following apply.
3.1
pressure
force vertically applied to unit surface area of a vessel, which refers to gauge pressure hereof, unless otherwise specified
3.2
pressurized water electrolysis system for hydrogen production
water electrolysis system for hydrogen production composed of water electrolyzer with specified pressure and its auxiliary equipment, pipeline and its accessories, enclosure, etc.
3.3
alkaline water electrolysis system for hydrogen production
water electrolysis system for hydrogen production composed of alkaline water electrolyzer and its auxiliary equipment, pipeline and its accessories, enclosure, etc.
3.4
proton exchange membrane (PEM) water electrolysis system for hydrogen production
water electrolysis system for hydrogen production composed of PEM water electrolyzer and its auxiliary equipment, pipeline and its accessories, enclosure, etc.
3.5
enclosure
equipment cabinet used to separate, protect and support the electrical system and process system in the hydrogen production system
3.6
purge
blowing off and clearing dust, particles and flammable liquids generated in the system using nitrogen or oil-free dry air during equipment processing
3.7
replacement
blowing off and clearing the air and flammable, explosive, toxic and harmful gases in all equipment and pipelines in the hydrogen production system by inert gases other than CO2, such as N2, and filling and sealing all equipment and pipelines by such gases
3.8
standard temperature and pressure
state of gas at temperature of 0℃ and absolute pressure of 101.325kPa
4 Classification and designation
4.1 Pressurized alkaline water electrolysis system for hydrogen production
The product designation for pressurized alkaline water electrolysis system for hydrogen production shall consist of capital Chinese phonetic alphabets and Arabic numerals. The product purity may be implemented according to relevant requirements of GB/T 19774.
The designation method shall meet the following requirements:
4.2 Pressurized PEM water electrolysis system for hydrogen production
The product designation for pressurized PEM water electrolysis system for hydrogen production shall consist of capital Chinese phonetic alphabets and Arabic numerals. The product purity may be implemented according to relevant requirements of GB/T 19774.
The designation method shall meet the following requirements:
5 Technical requirements
5.1 Pressurized water electrolysis system for hydrogen production
5.1.1 General requirements
See Annex A for typical system block diagrams of alkaline water electrolysis system for hydrogen production and PEM water electrolysis system for hydrogen production.
5.1.2 Working conditions
5.1.2.1 The working environment of hydrogen production system shall be clean and well ventilated, and should be at 5~45℃.
5.1.2.2 The environment of the site where the hydrogen production system is located has explosion risk, and the classification of explosive hazardous areas shall meet the requirements of GB 50177 and GB 50058, and the fortification level of electrical facilities shall be Level 1.
Contents of GB/T 37562-2019
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Pressurized alkaline water electrolysis system for hydrogen production
4.2 Pressurized PEM water electrolysis system for hydrogen production
5 Technical requirements
5.1 Pressurized water electrolysis system for hydrogen production
5.2 Single equipment
5.3 Pipeline and accessories
5.4 Electrical equipment and wiring
5.5 Automatic control and monitoring
5.6 Assembly and installation
6 Test and detection
6.1 Test conditions
6.2 Test
6.3 Detection
7 Marking
8 Product accompanying documents
8.1 Handling and hoisting requirements
8.2 System and equipment drawings
8.3 Instruction manual
8.4 Installation and maintenance manual
9 Packaging
Annex A (Informative) Block diagram for typical pressurized water electrolysis system for hydrogen production
Annex B (Normative) Testing of gas output by volumetric method
Annex C (Informative) Method of calculating the gas output using DC current testing values
Annex D (Informative) Testing gas purity with analytical instruments
