1 General provisions
1.0.2 This code is applicable to the design, construction and building of the constructed, renovated and extended hydrogen fuelling station.
2 Terms
2.0.1 hydrogen fuelling station
special location filling hydrogen fuel for hydrogen storage cylinder of hydrogen fuel cell vehicle or hydrogen internal-combustion engine vehicle or hydrogen and natural gas fuelled vehicle
2.0.2 system of hydrogen produced on site
hydrogen production system set up in the hydrogen fuelling station, which is usually the general name of system for hydrogen production, purification, compression and its supporting facilities
2.0.3 This subclause is deleted.
2.0.4 This subclause is deleted.
2.0.7 This subclause is deleted.
2.0.8 hydrogen dispenser
special equipment for filling hydrogen storage cylinders of transportation means with control, metering and pricing functions
2.0.9 This subclause is deleted.
2.0.9A stationary pressure vessels for storage of hydrogen
fixed pressure vessels for storing hydrogen fuel, including pressure vessels for storage of gaseous hydrogen, pressure vessels for storage of liquid hydrogen and pressure vessels for storage of metal hydride, which are referred to as hydrogen storage vessels for short
2.0.10 pressure vessels for storage of gaseous hydrogen
pressure vessels for storage of gaseous hydrogen, including necessary safety accessories as well as pressure inspection and displaying instruments
2.0.11 cylinder assemblies for storage of gaseous hydrogen
integral hydrogen storage facility assembled with several cylinders for storage of gaseous hydrogen, including corresponding connecting pipelines, valves, safety accessories, etc.
2.0.11A pressure vessels for storage of liquid hydrogen
pressure vessel for storage of liquid hydrogen, including insulation system, necessary safety device, pressure and liquid level displaying instruments, etc.
2.0.11B pressure vessels for storage of metal hydride
hydrogen storage pressure vessel filled with reversible metal hydrides, including heat exchanging system, necessary safety accessories as well as pressure inspection and displaying instruments, etc.
2.0.11C liquid hydrogen booster pump
equipment for boosting the pressure of liquid hydrogen to that required by hydrogen dispenser
2.0.12 This subclause is deleted.
2.0.13 This subclause is deleted.
2.0.15 vent unit
device specially for discharging hydrogen from equipment and pipeline system in hydrogen fuelling station
2.0.18 tube trailers for gaseous hydrogen
road transport vehicle formed by permanently connecting the hydrogen storage cylinder to semitrailer traveling mechanism or approved undercarriage through supporting end plate or frame
2.0.18A tube skid container for gaseous hydrogen
mobile pressure vessel for transporting compressed hydrogen formed by permanently connecting a single hydrogen storage cylinder with a nominal water volume of 1,000L~4,200L to components such as pipeline, safety accessories, instruments and filling and discharging accessories through supporting end plate or frame
2.0.19 liquid hydrogen lorry truck
transport vehicle equipped with liquid hydrogen storage tank, which is equipped with corresponding connecting pipelines, valves and safety accessories
2.0.20 tank containers for liquid hydrogen
tank container equipped with liquid hydrogen storage tank, which is equipped with corresponding connecting pipelines, valves and safety accessories
2.0.21 state of charge (SOC)
ratio of the density of hydrogen in the hydrogen storage cylinder after fuelling to that under nominal working pressure at a gas temperature of 15℃
2.0.22 materials in contact with hydrogen
materials in direct contact with hydrogen during normal operation of hydrogen fuelling station
3 Basic requirements
3.0.1 Hydrogen fuelling station shall be designed in combination with hydrogen supply mode. In the hydrogen fuelling station, hydrogen may be supplied by the transport via tube trailers for gaseous hydrogen, tube skid container for gaseous hydrogen, liquid hydrogen lorry truck, tank containers for liquid hydrogen, or through pipeline transportation and system of hydrogen produced on site. The hydrogen fuelling station may be jointly constructed with natural gas fuelling station or gasoline filling station.
3.0.2 This subclause is deleted.
3.0.2A The grading of hydrogen fuelling station shall be in accordance with those specified in Table 3.0.2A.
Table 3.0.2A Grading of hydrogen fuelling station
Grade Capacity of hydrogen storage vessel (kg)
Total capacity G Capacity of single tank
Grade I 5,000≤G≤8,000 ≤2,000
Grade II 3,000
Contents of GB 50516-2010(2021)
1 General Provisions
2 Terms
3 Basic Requirement
4 Location
5 General Layout Plan Equipment
6 Hydrogen Fuelling Process and Equipment
6.1 Hydrogen Quality and Metering
6.2 Hydrogen Compressing Process and Equipment
6.3 Hydrogen Storage System and Equipment
6.4 Hydrogen Dispenser
6.5 Hydrogen Pipelines and Accessories
7 Fire Protection and Safety Facilities
7.1 Fire Protection Facilities
7.2 Safety Facilities for Hydrogen Fuelling Process System
7.3 Alarm Devices
8 Building Equipment
9 Water Supply and Drainage
10 Electrical Devices
10.1 Power Supply and Distribution
10.2 Lightning Protection and Grounding System
10.3 Electrostatic Prevention
11 Heating and Ventilation
12 Construction, Installation and Approval
12.1 General Requirement
12.2 Installation of Equipment
12.3 Installation of Pipeline
12.4 Installation of Electrical Instruments
12.5 Construction Approval
13 Requirements for Hydrogen System Operation and Management
Appendix A Zones of Rating for Explosion Danger in Hydrogen Fuelling Station
Appendix B Classification of Civil Buildings Protection
Explanation of Wording in this Code
List of Quoted Standards
