A hydrogenation system and method for a hydrogenation station
A technology for a hydrogenation system and a hydrogenation station, which is applied to pipeline systems, container filling methods, container discharge methods, etc., can solve the problems of low efficiency of the hydrogenation system, and achieve performance improvement, power consumption reduction, and high utilization rate. Effect
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Embodiment 1
[0087] Embodiment 1: The hydrogenation system includes a two-stage low-pressure hydrogen storage unit and a two-stage high-pressure hydrogen storage unit. The two-stage low-pressure hydrogen storage unit includes a low-pressure primary hydrogen storage container 6 and a low-pressure secondary hydrogen storage container 7 connected in parallel, wherein The pressure of the low-pressure primary hydrogen storage container 6 is lower than the pressure of the low-pressure secondary hydrogen storage container 7 . The two-stage high-pressure hydrogen storage unit includes a high-pressure primary hydrogen storage container 4 and a high-pressure secondary hydrogen storage container 5 connected in parallel, wherein the pressure of the high-pressure primary hydrogen storage container 4 is lower than the pressure of the high-pressure secondary hydrogen storage container 5 .
[0088] The filling process can be divided into: low-pressure one-stage direct gas injection, low-pressure two-stage ...
Embodiment 2
[0095]Embodiment 2: The pressure change process of the vehicle-mounted hydrogen bottle 9 in the gas injection process, such as Figure 5 shown.
[0096] Low-pressure first-level direct gas injection process 0-1: Open the on-off valve of low-pressure first-level hydrogen storage container 6, and the low-pressure hydrogen directly enters the injection device 8 through the low-pressure inlet 2 of the injection device 8, and then injects it into the vehicle-mounted hydrogen bottle 9. After the pressure of the hydrogen bottle 9 reaches from the initial pressure A to B, the pressure does not continue to rise. At this time, the pressure of the low-pressure primary hydrogen storage container 6 drops to B synchronously, and the valve of the low-pressure primary hydrogen storage container 6 is closed, and the low-pressure primary hydrogen storage container 6 is directly injected. ;
[0097] Low-pressure secondary direct gas injection process 1-2: Open the valve 7 of the low-pressure se...
Embodiment 3
[0104] Example 3: For the situation where the pressure levels of the low-pressure primary hydrogen storage and the low-pressure secondary gas storage are quite different, the order of injection gas injection and direct gas injection can be changed, and the low-pressure primary gas injection is performed first, and then the injection In the gas injection process, the high-pressure first stage and the high-pressure second stage are successively used to inject the low-pressure first-stage gas injection; then the low-pressure second-stage direct gas injection is performed, and then the high-pressure first stage and the high-pressure second stage are used successively to eject the low-pressure two-stage gas injection , and finally perform the direct gas injection process.
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