Filling equipment with hydrogen discharging function
By setting up a first hydrogen unloading pipeline and a second hydrogen unloading pipeline on the hydrogen refueling pipeline, the problem of large equipment footprint in the existing technology is solved, the hydrogen filling and unloading are unified, and the equipment cost is reduced.
Patent Information
- Application Number
- CN202423148800.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In existing technologies, hydrogen production stations need to be equipped with both hydrogen filling and unloading columns, which requires a large area and cannot complete the filling and unloading of hydrogen with a single device.
Design a refueling device with hydrogen unloading function. By connecting a first hydrogen unloading pipeline and a second hydrogen unloading pipeline to the hydrogen refueling pipeline, the hydrogen refueling pipeline can be reused, and the device can have a hydrogen unloading function and share a flow meter.
It enables hydrogen filling and unloading to be completed with a single device, reducing equipment costs and floor space requirements.
Smart Images
Figure CN223564010U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydrogen energy technology field, especially a kind of filling equipment with hydrogen unloading function. BACKGROUND
[0002] In the project of hydrogen production and filling integration, the hydrogen produced has two destinations, one is to fill the excess hydrogen into pipe bundle vehicle through hydrogenation column for transaction. Two is to fill the hydrogen produced into fuel cell vehicle as the gas source of hydrogenation station. When the front-end gas source of hydrogen production plant is insufficient, hydrogen needs to be purchased from outside, at this time, hydrogen needs to be unloaded to the front end of compressor through hydrogen unloading column. That is, at least one hydrogenation column and one hydrogen unloading column are needed in the station of hydrogen production and filling integration, which increases the floor area and cannot complete the filling and unloading of hydrogen by one device. SUMMARY
[0003] The utility model aims at overcoming the defects of prior art, and provides a kind of filling equipment with hydrogen unloading function.
[0004] The utility model discloses a kind of filling equipment with hydrogen unloading function, including hydrogenation pipeline, first hydrogen unloading pipeline and second hydrogen unloading pipeline;
[0005] The inlet and outlet total valve, the first valve, the check valve, the flowmeter and the second valve are sequentially arranged on the hydrogenation pipeline, the front end of the hydrogenation pipeline is used to communicate hydrogen production plant, and the end of the hydrogenation pipeline is used to communicate pipe bundle vehicle;
[0006] One end of the first hydrogen unloading pipeline is communicated to the position between the second valve and the end of hydrogenation pipeline on the hydrogenation pipeline and forms first communication point, and the other end is communicated to the position between the first valve and the check valve on the hydrogenation pipeline and forms second communication point, and the third valve is arranged on the first hydrogen unloading pipeline;
[0007] One end of the second hydrogen unloading pipeline is communicated to the position between the flowmeter and the second valve on the hydrogenation pipeline and forms third communication point, and the other end is communicated to the position between the inlet and outlet total valve and the first valve on the hydrogenation pipeline and forms fourth communication point, and the fourth valve is arranged on the second hydrogen unloading pipeline.
[0008] The utility model discloses a hydrogenation pipeline, which is connected with a hydrogenation pipeline, a first hydrogen discharge pipeline and a second hydrogen discharge pipeline.
[0009] In some embodiments, a first filter is arranged on the hydrogenation pipeline. The first filter can filter the hydrogen gas passing through the hydrogenation pipeline, keeping the hydrogen gas pure.
[0010] In some embodiments, a second filter is arranged on the second hydrogen discharge pipeline or the first hydrogen discharge pipeline. The second filter can ensure the purity of the hydrogen gas during hydrogen discharge.
[0011] In some embodiments, a pressure monitoring module is arranged on the hydrogenation pipeline. The pressure monitoring module can detect the pressure of the hydrogen gas during hydrogenation.
[0012] In some embodiments, the pressure monitoring module is arranged between the first communication point and the end of the hydrogenation pipeline. The pressure monitoring module can detect the pressure of the hydrogen gas during hydrogenation and hydrogen discharge.
[0013] In some embodiments, a switch valve is arranged on the hydrogenation pipeline, and the switch valve is located between the fourth communication point and the pressure monitoring module. The switch valve can control the opening and closing of the pipeline.
[0014] In some embodiments, a manual valve is further arranged on the hydrogenation pipeline, and the manual valve is located between the switch valve and the end of the hydrogenation pipeline. The manual valve can enhance the safety of the pipeline.
[0015] In some embodiments, a diffusion module for diffusing hydrogen gas is further arranged on the hydrogenation pipeline, and the diffusion module is located between the fourth communication point and the end of the hydrogenation pipeline. The diffusion module can release hydrogen gas when the pressure in the pipeline is too high, improving safety.
[0016] In some embodiments, the hydrogen refueling pipeline is further provided with a purging module for purging the hydrogen refueling pipeline, the purging module being located between the fourth connection point and the end of the hydrogen refueling pipeline. The purging module purges the pipeline to remove impurities or air before hydrogen refueling or unloading.
[0017] In some embodiments, a breakaway valve is provided at the end of the hydrogen refueling line, and the breakaway valve is connected to a hydrogen hose for connecting to the tube bundle vehicle. The breakaway valve further enhances the safety of the equipment.
[0018] This utility model has the following advantages:
[0019] This invention achieves hydrogen unloading by setting up a first hydrogen unloading pipeline and a second hydrogen unloading pipeline on the original hydrogen refueling pipeline, thereby reusing part of the original hydrogen refueling pipeline; at the same time, the flow meter on the hydrogen refueling pipeline can be used during hydrogen unloading through the first and second hydrogen unloading pipelines, reducing equipment costs. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of the refueling equipment with hydrogen unloading function according to this utility model;
[0021] In the diagram: 1. Hydrogen refueling pipeline; 11. Main inlet / outlet valve; 12. First valve; 13. Check valve; 14. Flow meter; 15. Second valve; 16. First filter; 17. Switch valve; 18. Manual valve; 19. Breakaway valve; 2. First hydrogen unloading pipeline; 21. Third valve; 3. Second hydrogen unloading pipeline; 31. Fourth valve; 32. Second filter; 4. Pressure monitoring module; 5. Venting module; 6. Purge module. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model; that is, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0023] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.
[0024] like Figure 1 As shown, a refueling device with hydrogen unloading function includes a hydrogen refueling pipeline 1, a first hydrogen unloading pipeline 2, and a second hydrogen unloading pipeline 3.
[0025] The inlet and outlet total valve 11, the first valve 12, the check valve 13, the flow meter 14 and the second valve 15 are sequentially arranged on the hydrogenation pipeline 1 in sequence, the front end of the hydrogenation pipeline 1 is used for connecting a hydrogen production plant, and the tail end of the hydrogenation pipeline 1 is used for connecting a tube bundle vehicle.
[0026] The first hydrogen discharge pipeline 2 is connected to a position between the second valve 15 and the tail end of the hydrogenation pipeline 1 on the hydrogenation pipeline 1 and forms a first connection point, and is connected to a position between the first valve 12 and the check valve 13 on the hydrogenation pipeline 1 and forms a second connection point, and the third valve 21 is arranged on the first hydrogen discharge pipeline 2.
[0027] The second hydrogen discharge pipeline 3 is connected to a position between the flow meter 14 and the second valve 15 on the hydrogenation pipeline 1 and forms a third connection point, and is connected to a position between the inlet and outlet total valve 11 and the first valve 12 on the hydrogenation pipeline 1 and forms a fourth connection point, and the fourth valve 31 is arranged on the second hydrogen discharge pipeline 3.
[0028] Specifically, in the embodiment, the first valve 12, the second valve 15, the third valve 21 and the fourth valve 31 are all stop valves, and in other embodiments, the first valve 12, the second valve 15, the third valve 21 and the fourth valve 31 can also be ball valves, the stop valve has high sealing performance, and the hydrogen molecule is small, so the stop valve is adopted in the embodiment.
[0029] In the working process of the embodiment, when the hydrogen production plant has surplus hydrogen and needs to be filled into the tube bundle vehicle, the third valve 21 and the fourth valve 31 are closed, the first hydrogen discharge pipeline 2 and the second hydrogen discharge pipeline 3 are cut off, meanwhile, the inlet and outlet total valve 11, the first valve 12 and the second valve 15 are opened, and the hydrogen enters the tube bundle vehicle in sequence through the inlet and outlet total valve 11, the first valve 12, the check valve 13, the flow meter 14 and the second valve 15; when the hydrogen source of the hydrogen production plant is insufficient and needs to be supplemented from the outside, the first valve 12 and the second valve 15 are closed, and the inlet and outlet total valve 11, the third valve 21 and the fourth valve 31 are opened, the hydrogen enters the first hydrogen discharge pipeline 2 from the first connection point on the hydrogenation pipeline 1 and passes through the third valve 21, then returns to the hydrogenation pipeline 1 from the second connection point and passes through the check valve 13 and the flow meter 14, the hydrogen passes through the third connection point into the second hydrogen discharge pipeline 3 after passing through the flow meter 14 and passes through the fourth valve 31 to return to the hydrogenation pipeline 1, and finally the hydrogen enters the hydrogen production plant through the inlet and outlet total valve 11.
[0030] The first hydrogen discharge pipeline 2 and the second hydrogen discharge pipeline 3 are arranged, part of the hydrogenation pipeline 1 is reused, the original hydrogenation pipeline 1 has the hydrogen discharge function, and the same flow meter 14 can be used during hydrogenation and hydrogen discharge.
[0031] Preferably, the hydrogenation pipeline 1 is provided with a first filter 16. Specifically, in the embodiment, the first filter 16 is located between the inlet and outlet valve 11 and the first valve 12, and the first filter 16 ensures the cleanliness of hydrogen during hydrogenation.
[0032] Preferably, the second hydrogen discharge pipeline 3 or the first hydrogen discharge pipeline 2 is provided with a second filter 32. Specifically, in the embodiment, the second filter 32 is provided on the second hydrogen discharge pipeline 3, and the second filter 32 ensures the cleanliness of hydrogen during hydrogen discharge.
[0033] Preferably, the hydrogenation pipeline 1 is provided with a pressure monitoring module 4. In the embodiment, the pressure monitoring module 4 is a pressure gauge, and in other embodiments, the pressure monitoring module 4 can also be a pressure transmitter or the like.
[0034] Preferably, the pressure monitoring module 4 is located between the first communication point and the end of the hydrogenation pipeline 1. By locating the pressure monitoring module 4 between the first communication point and the end of the hydrogenation pipeline 1, the hydrogen pressure can be monitored during hydrogenation and hydrogen discharge.
[0035] Preferably, the hydrogenation pipeline 1 is provided with a switch valve 17, and the switch valve 17 is located between the fourth communication point and the pressure monitoring module 4. The switch valve 17 is used to shut off the front end and the rear end of the hydrogenation pipeline 1.
[0036] Preferably, the hydrogenation pipeline 1 is further provided with a manual valve 18, and the manual valve 18 is located between the switch valve 17 and the end of the hydrogenation pipeline 1. By providing the manual valve 18, the pipeline can be manually shut off, improving safety.
[0037] Preferably, the hydrogenation pipeline 1 is further provided with a diffusion module 5 for diffusing hydrogen, and the diffusion module 5 is located between the fourth communication point and the end of the hydrogenation pipeline 1. Specifically, in the embodiment, the diffusion module 5 includes a diffusion pipe, a diffusion valve and a flame arrester, the diffusion pipe is in communication with the hydrogenation pipeline 1, and the diffusion valve and the flame arrester are provided on the diffusion pipe. The diffusion module 5 is used to diffuse hydrogen in the pipeline when the pipeline is over-pressurized or during maintenance, ensuring safety.
[0038] Preferably, the hydrogenation pipeline 1 is further provided with a purge module 6 for purging the hydrogenation pipeline 1, and the purge module 6 is located between the fourth communication point and the end of the hydrogenation pipeline 1. Specifically, in the embodiment, the purge module 6 includes a purge pipe, a nitrogen source and a purge valve group, one end of the purge pipe is in communication with the hydrogenation pipeline 1, the other end of the purge pipe is in communication with the nitrogen source, and the purge valve group is provided on the purge pipe. The hydrogenation pipeline 1 can be purged by the purge module 6.
[0039] Preferably, the end of the hydrogenation pipeline 1 is provided with a pull-off valve 19, and the hydrogen gas hose for connecting the tube bundle vehicle is connected to the pull-off valve 19. The pull-off valve 19 cuts off the pipeline when the hydrogenation pipeline 1 is overpressure, ensuring safety.
[0040] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Any person skilled in the art can make many possible changes and modifications to the technical solution of the present application, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of the present application. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical solution of the present application, without departing from the content of the technical solution of the present application, all belong to the protection scope of the present technical solution.
Claims
1. A filling device with a hydrogen removal function, characterized in that The application relates to a hydrogenation pipeline (1) which is provided with an inlet and outlet total valve (11), a first valve (12), a check valve (13), a flowmeter (14) and a second valve (15) in sequence from front to back, the front end of the hydrogenation pipeline (1) is used for connecting a hydrogen production plant, and the tail end of the hydrogenation pipeline (1) is used for connecting a tube bundle vehicle. A first hydrogen discharge pipeline (2) is connected to a position between the second valve (15) and the tail end of the hydrogenation pipeline (1) on the hydrogenation pipeline (1) and forms a first communication point, and is connected to a position between the first valve (12) and the check valve (13) on the hydrogenation pipeline (1) and forms a second communication point, and the first hydrogen discharge pipeline (2) is provided with a third valve (21). A second hydrogen discharge pipeline (3) is connected to a position between the flowmeter (14) and the second valve (15) on the hydrogenation pipeline (1) and forms a third communication point, and is connected to a position between the inlet and outlet total valve (11) and the first valve (12) on the hydrogenation pipeline (1) and forms a fourth communication point, and the second hydrogen discharge pipeline (3) is provided with a fourth valve (31). The hydrogenation pipeline (1) is provided with a first filter (16).
2. The refueling apparatus with hydrogen-discharging function according to claim 1, characterized in that, The second hydrogen discharge pipeline (3) or the first hydrogen discharge pipeline (2) is provided with a second filter (32).
3. The refueling apparatus with hydrogen-discharging function according to claim 1, characterized in that, The hydrogenation pipeline (1) is provided with a pressure monitoring module (4).
4. The refueling apparatus with hydrogen-discharging function according to claim 1, characterized in that, The pressure monitoring module (4) is arranged at a position between the first communication point and the tail end of the hydrogenation pipeline (1) on the hydrogenation pipeline (1).
5. The refueling apparatus with hydrogen-discharging function according to claim 4, characterized in that, The hydrogenation pipeline (1) is provided with a switch valve (17) which is arranged between the fourth communication point and the pressure monitoring module (4).
6. The refueling apparatus with hydrogen-discharging function according to claim 5, characterized in that, The hydrogenation pipeline (1) is further provided with a manual valve (18) which is arranged between the switch valve (17) and the tail end of the hydrogenation pipeline (1).
7. The refueling apparatus with hydrogen-discharging function according to claim 6, characterized in that, The hydrogenation pipeline (1) is further provided with a diffusion module (5) for diffusing hydrogen which is arranged between the fourth communication point and the tail end of the hydrogenation pipeline (1).
8. The refueling apparatus with hydrogen-discharging function according to claim 1, characterized in that, The hydrogenation pipeline (1) is further provided with a purge module (6) for purging the hydrogenation pipeline (1), and the purge module (6) is arranged between the fourth communication point and the tail end of the hydrogenation pipeline (1).
9. The refueling apparatus with hydrogen-discharging function according to claim 1, characterized in that, The tail end of the hydrogenation pipeline (1) is provided with a pull-off valve (19), and a hydrogen hose for connecting the tube bundle vehicle is connected to the pull-off valve (19).
10. The refueling apparatus with hydrogen-disengaging function according to claim 1, characterized by