1. Based on the construction and operation data of various types of oxygen refueling stations such as 35MPa, 70MPa and liquid oxygen, a unique process and system design specifications and design guidelines have been formed to ensure the safety and reliability of the hydrogen refueling station system;
2. Relying on powerful process simulation tools and a professional team, it can perform dynamic simulation analysis on the filling process to ensure that the temperature in the vehicle cylinder is always within the standard requirements under different working conditions. Fundamentally ensure the safety of the vehicle during the filling process;
3. Through quantitative risk analysis such as hazard and operable part analysis (HAZOP), accident risk analysis (ARA), and explosion hazard assessment of the hydrogen refueling station process system, further design optimization is carried out to ensure hydrogen refueling from the design of the entire station Security of the station;
4. The safety alarm loop adopts three-level alarm interlocking of single equipment, loop interlocking and whole station interlocking, which ensures the safety of the hydrogen refueling station while taking into account the operation of the hydrogen refueling station;
5. The interlocking of major safety circuits is carried out independently of the PLC. At the same time, the hard-wire method or safety PLC is used to realize the interlocking, which ensures the high reliability of the circuit interlocking and ensures the effectiveness of the system in emergency situations;
6. The entire station instrument control design is based on an unattended design concept, combining on-site sensors, PLC control and HopNet Internet of Things to create a high-safety and intelligent hydrogen refueling station;
7. The core components of the equipment have passed strict evaluation and certification, and the key components have passed the simulation test under extreme working conditions;
8. Before leaving the factory, the products have undergone strict strength, air-tightness and functional tests in the factory to ensure that each device is safe and reliable.
