CN220981025U - Hydrogen filling system and hydrogenation column - Google Patents
Hydrogen filling system and hydrogenation column Download PDFInfo
- Publication number
- CN220981025U CN220981025U CN202323029367.XU CN202323029367U CN220981025U CN 220981025 U CN220981025 U CN 220981025U CN 202323029367 U CN202323029367 U CN 202323029367U CN 220981025 U CN220981025 U CN 220981025U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- valve
- path
- branch
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000001257 hydrogen Substances 0.000 title claims abstract description 121
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 121
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 31
- 238000010926 purge Methods 0.000 claims abstract description 20
- 230000000740 bleeding effect Effects 0.000 claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application discloses a hydrogen filling system and a hydrogenation column, and aims to solve the technical problems of high material cost, imperfect functions and complex structure of the existing hydrogenation column hydrogen filling system. The device mainly comprises a hydrogen charging main path, a sampling branch path, a pressure overload protection branch path, a nitrogen purging branch path, a bleeding branch path, an instrument wind inlet and a triple piece; the hydrogen charging main path is sequentially provided with a pneumatic valve, a filter, a flowmeter, a first stop valve, a first one-way valve, a pressure gauge and a snap-off valve; the nitrogen purging branch is arranged in a hydrogen charging main path between the first stop valve and the first one-way valve, the diffusing branch is arranged in the hydrogen charging main path between the first one-way valve and the pressure gauge, the sampling branch is arranged in the hydrogen charging main path between the hydrogen source pipeline and the pneumatic valve, and the pressure overload protection branch is arranged in the hydrogen charging main path between the pneumatic valve and the filter; the application ensures that the system functions are more perfect and the material cost is reduced by adjusting the number of the valves and the position relation between the valves and the branches.
Description
Technical Field
The application relates to the technical field of new energy, in particular to a hydrogen filling system and a hydrogenation column.
Background
The hydrogen energy is used as a green sustainable energy source, and the application range of the hydrogen energy is also wider and wider. However, the hydrogen production plant is relatively far away from the hydrogen adding station, and hydrogen is mainly transported to the hydrogen adding station through a tube bundle vehicle at present, and the hydrogen adding column is an important device for filling hydrogen in the hydrogen production plant into the tube bundle vehicle.
The prior art (CN 219796912U) known by the inventor discloses a filling system and a hydrogenation column, a first cut-off valve, a first check valve, a pneumatic cut-off valve, a second cut-off valve and a stretch-off valve are sequentially arranged in a hydrogen filling pipeline from left to right, an external pipeline for nitrogen purging and gas diffusing is connected to the hydrogen filling pipeline, wherein the first check valve is positioned in front of the pneumatic cut-off valve, and a third cut-off valve and the second check valve are arranged in the gas diffusing external pipeline.
However, in the process of implementing the technical solution in the embodiment of the present application, the present inventors have found that at least the following technical problems exist in the above technology: the main point is that the corresponding operation of the system layout can not fully achieve the purpose, and in addition, the use of parts has excessive redundancy, so that the material cost is high.
The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is well known to a person skilled in the art.
Disclosure of Invention
In view of at least one of the above technical problems, the present disclosure provides a hydrogen filling system and a hydrogenation column, which enable the system to be simple and convenient to operate, have more perfect functions, and reduce material cost by adjusting the number of valves and the positional relationship between the valves and the branches.
According to one aspect of the present disclosure, there is provided a hydrogen filling system comprising a main hydrogen filling circuit, a sampling circuit, a pressure overload protection circuit, a nitrogen purge circuit, a bleed circuit, an instrument wind inlet, and a triplet; one end of the hydrogen charging main path is connected with a corresponding hydrogen gas source pipeline, the other end of the hydrogen charging main path is communicated with a corresponding tube bundle vehicle through a hydrogen outlet hose, and a pneumatic valve, a filter, a flowmeter, a first stop valve, a first one-way valve, a pressure gauge and a snap-off valve are also sequentially arranged on the hydrogen charging main path; the nitrogen purging branch is arranged in the main hydrogen charging path between the first stop valve and the first one-way valve; the nitrogen purging branch is provided with a second one-way valve and a second stop valve, the inlet end of the second one-way valve is communicated with the main hydrogen charging path through a pipeline, and the outlet end of the second one-way valve is communicated with a nitrogen source pipeline through the second stop valve; the bleeding branch is arranged in a main hydrogen charging path between the first one-way valve and the pressure gauge; a third stop valve is arranged on the bleeding branch, the inlet end of the third stop valve is communicated with the main hydrogen charging path through a pipeline, and the outlet end of the third stop valve is communicated with a bleeding main pipeline through a pipeline; the sampling branch is arranged in a hydrogen charging main path between the hydrogen source pipeline and the pneumatic valve, and the pressure overload protection branch is arranged in the hydrogen charging main path between the pneumatic valve and the filter.
In some embodiments of the present disclosure, the triple element is in communication with the pneumatic valve through a corresponding line.
In some embodiments of the present disclosure, the sampling branch is provided with a sampling port.
In some embodiments of the disclosure, the pressure overload protection branch is provided with a safety valve, an inlet end of the safety valve is communicated with the main charging path through a pipeline, and an outlet end of the safety valve is communicated with the main discharging pipe through a pipeline.
In some embodiments of the present disclosure, the hydrogen-out hose communicates with the tube bundle cart via a quick connector.
In another aspect, a hydrogenation column is designed comprising the hydrogen filling system of any one of the above.
One or more technical solutions provided in the embodiments of the present application at least have any one of the following technical effects or advantages:
1. The sampling branch is arranged between the hydrogen source pipeline and the pneumatic valve, so that the quality of hydrogen can be detected before the tube bundle vehicle is filled, and the problem of hydrogen waste caused by unqualified hydrogen filling is avoided.
2. The pneumatic valve and the stop valve are arranged in the main hydrogen charging path, so that the equipment hydrogen charging operation can be automatically stopped and manually intervened to stop when abnormal phenomena occur, the problems of redundant parts and complex operation of the equipment are effectively solved, and the effects of reducing the material cost and simplifying the operation are further realized.
3. The nitrogen purging branch and the bleeding branch are arranged between the first stop valve and the hydrogen outlet hose, so that the nitrogen purging of the whole hydrogen charging pipeline can be realized, and only the pipeline behind the first stop valve is purged and replaced when the vehicle is cut and filled, the loss problem of nitrogen and hydrogen is effectively solved, and the effect of reducing the material cost is realized.
4. The main hydrogen charging path is provided with a flowmeter and a pressure gauge, a hydrogen detector is arranged in the equipment, the filling condition is fed back to a computer control system of the equipment in real time through signals, when filling is abnormal, the pneumatic valve automatically operates, the safety of the equipment is ensured, and further the automation and the intellectualization of the system operation are realized.
5. The filter is arranged in front of the flowmeter, so that the purity of hydrogen is improved, and the service life of the flowmeter and the valve is prolonged.
Drawings
Fig. 1 is a schematic gas circuit diagram of a hydrogen filling system according to an embodiment of the present application.
In the figure, 1 is a main hydrogen charging path, 2 is a sampling path, 3 is a pressure overload protection path, 4 is a nitrogen purging path, 5 is a bleeding path, 6 is a pneumatic valve, 7 is a filter, 8 is a flowmeter, 9 is a first stop valve, 10 is a first one-way valve, 11 is a snap-off valve, 12 is a hydrogen outlet hose, 13 is a quick connector, 14 is a hydrogen gas source pipeline, 15 is a sampling port, 16 is a nitrogen gas source pipeline, 17 is a bleeding main pipeline, 18 is a safety valve, 19 is a second one-way valve, 20 is a second stop valve, 21 is a third stop valve, 22 is a pressure gauge, 23 is an instrument wind inlet, and 24 is a triplet.
Detailed Description
In order to better understand the technical scheme of the present application, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "first," "second," and the like, herein do not denote any order or importance, but rather are used to distinguish one element from another. The terms "connected," "coupled," and "connected," as used herein, unless specifically indicated otherwise, are intended to encompass both direct and indirect connections (couplings).
The valve members and unit modules described in the examples below are commercially available products unless otherwise specified.
The embodiment of the application solves the problems of high material cost, complex structure and imperfect functions of the hydrogen filling system of the hydrogenation column in the prior art by providing the hydrogen filling system and the hydrogenation column provided with the system, and simultaneously greatly improves the purity of hydrogen and the safety of equipment.
Example 1
The embodiment discloses a hydrogen filling system, referring to fig. 1, which comprises a main hydrogen filling path 1, a sampling branch path 2, a pressure overload protection branch path 3, a nitrogen purging branch path 4, a bleeding branch path 5, an instrument wind inlet 23 and a triple piece 24, wherein the branch paths are sequentially communicated with the main hydrogen filling path 1 through pipelines; the main hydrogen charging path 1 is also provided with a pneumatic valve 6, a filter 7, a flowmeter 8, a first stop valve 9, a first one-way valve 10, a pressure gauge 22 and a snap valve 11 in sequence.
The pneumatic valve 6 is connected with the triple piece 24 through an electromagnetic valve, and is automatically opened and closed under the control of a system computer according to different working conditions of equipment, so that the automation of hydrogen charging operation is realized; the first check valve 10 is used for preventing the occurrence of dangerous situations such as reverse flow, gas leakage and the like when high-pressure gas (hydrogen and nitrogen) works; the stretch-breaking valve 11 is positioned between the hydrogen outlet and the hydrogenation column, when the hydrogen charging is not completed or the hydrogen charging is completed, the hydrogen outlet hose 13 is not loosened, the tube bundle vehicle is started suddenly, and when the stress of the hydrogen outlet hose 13 reaches the stretch-breaking tension of the stretch-breaking valve 11, the stretch-breaking shaft on the stretch-breaking valve 11 is automatically separated, and meanwhile, the air sources at the two ends of the stretch-breaking valve 11 are automatically closed, so that the safety protection function is achieved.
The flowmeter 8 is used for directly measuring the mass and flow of the hydrogen passing through the main hydrogen charging path 1 and consists of a sensor and a transmitter; the pressure gauge 22 is used for monitoring the pipeline pressure of the hydrogenation column in real time, the flowmeter 8 and the pressure gauge 22 feed back filling signals to a computer control system of equipment, and the computer control system controls the opening and closing of a valve, so that safety protection and system operation intellectualization are realized.
The sampling branch 2 is arranged on the hydrogen filling main path 1 between the hydrogen source pipeline 14 and the pneumatic valve 6, and is connected with the sampling container through the sampling port 15, before filling hydrogen into the tube bundle vehicle, the hydrogen source pipeline 14 is opened, the pneumatic valve 6 is closed, and the hydrogen enters the sampling container through the sampling branch 2 to perform hydrogen quality detection, so that the problem of hydrogen waste caused by unqualified hydrogen filling is avoided; the filter 7 is arranged in front of the flowmeter 8, and the filter 7 can filter out impurities with the size of more than 5 mu m in the hydrogenation column, so that the purity of hydrogen is improved, and the flowmeter 8 and other valve instruments in a pipeline are protected from being normally used.
The pressure overload protection branch 3 is arranged in the main hydrogen charging path 1 between the pneumatic valve 6 and the filter 7, the pressure overload protection branch 3 is provided with a safety valve 18, the inlet end of the safety valve 18 is communicated with the main hydrogen charging path 1 through a pipeline, the outlet end of the safety valve 18 is communicated with the main relief pipe pipeline 17 through a pipeline, when the gas pressure of the main hydrogen charging path 1 is greater than or equal to the set pressure of the safety valve 18, the valve of the safety valve 18 is automatically opened, high-pressure gas in the pipeline is discharged to the main relief pipe pipeline 17, and when the gas pressure of the main hydrogen charging path 1 is less than the set pressure of the safety valve 18, the valve of the safety valve 18 is closed.
The nitrogen purging branch 4 is arranged in the main hydrogen charging path 1 between the first stop valve 9 and the first check valve 10, a second check valve 19 and a second stop valve 20 are arranged on the nitrogen purging branch 4, the inlet end of the second check valve 19 is communicated with the main hydrogen charging path 1 through a pipeline, and the outlet end of the second check valve is communicated with a nitrogen source pipeline 16 through the second stop valve 20; the discharging branch 5 is arranged in the main hydrogen charging path 1 between the first check valve 10 and the pressure gauge 22, a third stop valve 21 is arranged on the discharging branch 5, the inlet end of the third stop valve 21 is communicated with the main hydrogen charging path 1 through a pipeline, and the outlet end of the third stop valve is communicated with the main discharging pipeline 17 through a pipeline.
Before filling the tube bundle vehicle with hydrogen, the pipelines need to be subjected to nitrogen purging replacement due to the air contained in the pipelines. Under the condition that the quick connector 13 is plugged, closing the pneumatic valve 6, opening the first stop valve 9, the bleeding outlet valve and the nitrogen source inlet valve, and performing purging replacement by using nitrogen, wherein the nitrogen pressure is 0.6-0.8MPa, and the purging time is 5-10 minutes; then closing a bleeding outlet valve, manually bleeding for 8-10 times, and completing the nitrogen replacement of all the hydrogen charging pipelines; when the cutting vehicle is filled, the quick connector 13 is plugged, the first stop valve 9 is closed, the bleeding outlet valve and the nitrogen source inlet valve are opened, the purging operation is repeated, and only the pipeline behind the first stop valve 9 can be purged and replaced by nitrogen, so that the loss of nitrogen and hydrogen is reduced.
After the nitrogen purging and replacement are completed, the pipeline is purged by hydrogen, and the residual nitrogen in the pipeline is replaced. Plugging the quick connector 13, closing a nitrogen gas source inlet valve, opening a pneumatic valve 6, and performing two hydrogen charging operations to enable the equipment pipeline to be full of hydrogen; closing the pneumatic valve 6, closing the bleeding outlet valve, and manually bleeding for 8-10 times to complete hydrogen replacement; then slowly opening a bleeding outlet valve, and evacuating nitrogen and hydrogen in the equipment (the retention pressure in the pipeline is about 1 MPa), so as to complete hydrogen replacement; the third shut-off valve 21 is closed and the pneumatic valve 6 is opened to fill the entire pipeline with high pressure hydrogen.
Example two
This example discloses a hydrogenation column containing the hydrogen filling system described hereinabove. The hydrogenation column further comprises a hydrogen leakage detection alarm device, when hydrogen leakage occurs, the hydrogen leakage detection alarm device gives an alarm, and the hydrogenation column system automatically stops hydrogen filling operation, so that equipment safety is guaranteed.
While certain preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The hydrogen filling system is characterized by comprising a main hydrogen filling path, a sampling path, a pressure overload protection path, a nitrogen purging path, a bleeding path, an instrument wind inlet and a triple piece; one end of the hydrogen charging main path is connected with a corresponding hydrogen gas source pipeline, the other end of the hydrogen charging main path is communicated with a corresponding tube bundle vehicle through a hydrogen outlet hose, and a pneumatic valve, a filter, a flowmeter, a first stop valve, a first one-way valve, a pressure gauge and a snap-off valve are also sequentially arranged on the hydrogen charging main path;
The nitrogen purging branch is arranged in the main hydrogen charging path between the first stop valve and the first one-way valve; the nitrogen purging branch is provided with a second one-way valve and a second stop valve, the inlet end of the second one-way valve is communicated with the main hydrogen charging path through a pipeline, and the outlet end of the second one-way valve is communicated with a nitrogen source pipeline through the second stop valve; the bleeding branch is arranged in a main hydrogen charging path between the first one-way valve and the pressure gauge; a third stop valve is arranged on the bleeding branch, the inlet end of the third stop valve is communicated with the main hydrogen charging path through a pipeline, and the outlet end of the third stop valve is communicated with a bleeding main pipeline through a pipeline;
The sampling branch is arranged in a main hydrogen charging path between the hydrogen source pipeline and the pneumatic valve; the pressure overload protection branch is arranged in the main hydrogen charging path between the pneumatic valve and the filter.
2. The hydrogen filling system according to claim 1, wherein the triplet is in communication with the pneumatic valve through a corresponding line.
3. The hydrogen filling system according to claim 1, wherein the sampling branch is provided with a sampling port.
4. The hydrogen filling system according to claim 1, wherein a safety valve is provided on the pressure overload protection branch, an inlet end of the safety valve is communicated with the main hydrogen filling path through a pipeline, and an outlet end of the safety valve is communicated with the relief header pipeline through a pipeline.
5. The hydrogen filling system of claim 1, wherein the hydrogen outlet hose communicates with the tube bundle vehicle via a quick connector.
6. A hydrogenation column comprising the hydrogen filling system according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029367.XU CN220981025U (en) | 2023-11-09 | 2023-11-09 | Hydrogen filling system and hydrogenation column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029367.XU CN220981025U (en) | 2023-11-09 | 2023-11-09 | Hydrogen filling system and hydrogenation column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220981025U true CN220981025U (en) | 2024-05-17 |
Family
ID=91039881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323029367.XU Active CN220981025U (en) | 2023-11-09 | 2023-11-09 | Hydrogen filling system and hydrogenation column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220981025U (en) |
-
2023
- 2023-11-09 CN CN202323029367.XU patent/CN220981025U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211399315U (en) | Gas discharging column for hydrogen station and hydrogen gas discharging system | |
| CN101093056A (en) | Special gas storage tank | |
| CN113154249B (en) | Integrated hydrogenation machine | |
| CN110067910B (en) | Natural gas pipeline maintenance and pipe replacement method | |
| CN111609306A (en) | Safe and reliable's multi-functional hydrogen discharge system | |
| CN113606491B (en) | Hydrogen discharging system and electrical control method thereof | |
| CN208457582U (en) | A kind of pneumatic emergency stop valve valve position mistake gas holding meanss | |
| CN113915518B (en) | Nitrogen system of hydrogenation station | |
| CN217382542U (en) | Automatic purging and replacing system for hydrogen filling | |
| CN113586952A (en) | Automatic gas discharging system and method for hydrogenation station | |
| CN220981025U (en) | Hydrogen filling system and hydrogenation column | |
| CN113623537A (en) | Hydrogen discharging system and control method | |
| CN203836598U (en) | Safety hydrogen supply device | |
| CN106870945B (en) | Natural gas pressure regulating skid-mounted device with multistage safety protection function | |
| CN214064580U (en) | Multistage pressure hydrogen discharging device | |
| CN114665127A (en) | Marine hydrogen storage and supply system | |
| CN116642132A (en) | Natural gas emptying and recycling system and recycling method for gas transmission station | |
| CN201282131Y (en) | Microelectron air source cabinet purging system | |
| CN211232413U (en) | Be used for large-traffic gaseous supply equipment | |
| CN110145687B (en) | Hydrogen supply system for small marine reactor | |
| JP2000306839A (en) | Feeding system for semiconductor process gas | |
| CN117628394A (en) | High-pressure hydrogen filling system with online analysis and flow control | |
| CN112228565A (en) | Carbon ring sealing operation control system of explosion-proof horizontal screw machine and control method thereof | |
| CN215862877U (en) | Hydrogen-discharging electrical control system | |
| CN217273560U (en) | Safe and efficient high-purity hydrogen pressure-increasing and filling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |