Integrated Sled-Mounted Hydrogen Fueling Station

The integrated skid-mounted hydrogen refueling station is an advanced hydrogen refueling facility that integrates multiple functions such as hydrogen storage, compression, cooling, and hydrogen refueling. It is suitable for small-scale, land-intensive hydrogen refueling station scenarios.

1. Integrate the key equipment of the hydrogen refueling station except for the bottle group

2. The hydrogen refueling station adopts a container model, which is small in size and highly integrated.

3. Full-function safety interlock

4. Modular design

5. Flameproof and intrinsically safe design to ensure safe operation

6. The control system is remotely controlled in non-explosion-proof areas, and the fully intelligent control system is designed

7. Explosion-proof grade II.CT4 of the whole machine

Gaseous Hydrogen Stations
Gaseous hydrogen stations store hydrogen gas under high pressure, typically ranging from 350 to 700 bar (5,000 to 10,000 psi). The hydrogen is compressed and then stored in high-pressure tanks before being dispensed to vehicles. Gaseous hydrogen stations are the most prevalent type of hydrogen refueling station.

Liquid Hydrogen Stations
Liquid hydrogen stations store hydrogen in its liquid form at extremely low temperatures (-253°C or -423°F). These stations necessitate more intricate equipment and insulation to uphold the hydrogen at such frigid temperatures, yet they offer advantages in terms of storage capacity and refueling speed.

Hydrogen Inlet: Refueling stations are optimized for performance based on the pressure of the hydrogen inlet. Typically, hydrogen is generated on-site through electrolysis, delivered to the site, and then dispensed either directly from a tube trailer or from on-site storage.

Compression: Subsequently, the hydrogen undergoes compression to raise its pressure and decrease its volume, facilitating greater storage capacity within the system and ensuring efficient gas flow during dispensing.

Heat Exchanger (Gas Cooling): The compressed hydrogen is then routed through a heat exchanger to dissipate excess heat generated during compression. Specialized valves and fittings, resistant to hydrogen embrittlement, are employed to manage the high-pressure hydrogen safely and effectively, thereby averting potential cracks.

Hydraulic Power Unit and Controls: The entire process is driven, supervised, and regulated via the electronic control panel situated in a non-hazardous zone.

Dispensing Chilling System: Subsequent to compression, the hydrogen is cooled to subzero temperatures to expedite and optimize the filling process, ensuring safe dispensing and compliance with filling protocols.

Vent Stacks: As a safety measure, vent stacks are incorporated to safely release any escaped hydrogen. Given hydrogen's lighter-than-air properties, it dissipates swiftly and securely in the event of an incident.

Storage: The high-pressure gas is stored within the system until needed for dispensing at the point of use. Specially designed valves, fittings, and electrical controls are deployed to regulate pressure and interface with the dispenser and vehicle as necessary.

Dispenser: Mimicking traditional refueling methods, the dispenser administers hydrogen via a nozzle controlled by a smart valve, regulating gas flow to fill the vehicle to the required pressure in adherence to the fuelling protocol.

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