CN218441294U - High vacuum pipeline with male and female plugs for extending filling end of liquid hydrogen storage tank - Google Patents
High vacuum pipeline with male and female plugs for extending filling end of liquid hydrogen storage tank Download PDFInfo
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- CN218441294U CN218441294U CN202222965120.8U CN202222965120U CN218441294U CN 218441294 U CN218441294 U CN 218441294U CN 202222965120 U CN202222965120 U CN 202222965120U CN 218441294 U CN218441294 U CN 218441294U
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- liquid hydrogen
- vacuum interlayer
- interlayer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The utility model belongs to the technical field of liquid hydrogen basin technique and specifically relates to a liquid hydrogen basin fills dress end and extends and use high vacuum pipeline of taking negative and positive plug. One end of the vacuum tube body is provided with a vacuum female joint, the other end of the vacuum tube body is provided with a vacuum male joint, and the vacuum tube body is of an S-shaped bending structure; the vacuum tube body comprises a vacuum interlayer outer tube and a vacuum interlayer inner tube, wherein the vacuum interlayer inner tube is installed in the vacuum interlayer outer tube, and a vacuum interlayer is formed between the vacuum interlayer outer tube and the vacuum interlayer inner tube. The problem of liquid hydrogen basin filling dress end length is effectively solved, the connection installation of being convenient for, the whole S type bending structure that is of pipeline has increased the flexibility of pipeline simultaneously, avoids the pipeline to cause material fatigue, articulate department to produce fracture leakage scheduling problem because of expend with heat and contract with cold because of ultra-low temperature liquid hydrogen when passing through.
Description
Technical Field
The utility model belongs to the technical field of liquid hydrogen basin technique and specifically relates to a liquid hydrogen basin fills dress end and extends and use high vacuum pipeline of taking negative and positive plug.
Background
In order to deal with the increasingly serious energy crisis and environmental problems, the development and utilization of clean energy are receiving more and more attention from all the social circles. Among them, hydrogen only produces water because of its burning, is honored as the most clean fuel, and the industry has been full of expectations to its application.
Liquid hydrogen, commonly known as liquid hydrogen, is a liquid obtained by cooling hydrogen gas, is a colorless, tasteless, high-energy, low-temperature liquid fuel, has a normal hydrogen boiling point of 20.37K, a freezing point of 13.96K and a density of 70.85kg/m < 3 > under atmospheric pressure, is usually used as a fuel for rocket launching, and is also used as a fuel for other vehicles at present. With the obvious energy crisis and environmental problems, replacing the existing fossil fuel with clean energy is one of the important ways to solve the energy and environmental problems, hydrogen energy has attracted much attention in recent years as a green energy and energy carrier with abundant reserves, wide sources and high energy density, and hydrogen fuel using hydrogen energy as a power source has become the most popular research field due to its advantages of high energy conversion rate, good fuel economy and zero emission.
The liquid hydrogen refueling station is the most important basic supporting facility of hydrogen energy source, and the liquid hydrogen storage tank that liquid hydrogen refueling station and liquid hydrogen gas supply station used generally fills the mouth higher, and liquid hydrogen transmission hose is difficult direct operation connection because the weight is heavier, and limit to the length problem.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the high vacuum pipeline with the male and female plugs is convenient for the extension of the filling end of the liquid hydrogen storage tank for the connection of the liquid hydrogen storage tank.
The utility model provides a technical scheme that its technical problem adopted is: a high vacuum pipeline with a male and female plug for extending a filling end of a liquid hydrogen storage tank comprises a vacuum pipe body, wherein a vacuum female connector is installed at one end of the vacuum pipe body, a vacuum male connector is installed at the other end of the vacuum pipe body, and the vacuum pipe body is of an S-shaped bending structure; the vacuum tube body comprises a vacuum interlayer outer tube and a vacuum interlayer inner tube, wherein the vacuum interlayer inner tube is installed in the vacuum interlayer outer tube, and a vacuum interlayer is formed between the vacuum interlayer outer tube and the vacuum interlayer inner tube.
Furthermore, an outer expansion joint is arranged on the outer tube of the vacuum interlayer.
Furthermore, the vacuum interlayer is filled with an adsorbent and a hydrogen absorbing agent.
Furthermore, a safety and vacuum pumping valve is arranged on the outer wall of the outer tube of the vacuum interlayer and communicated with the vacuum interlayer.
Furthermore, the outer surface of the inner pipe of the vacuum interlayer is coated with a plurality of aluminum foil layers and a plurality of fiber layers, and the aluminum foil layers and the fiber layers are alternately laid.
The utility model has the advantages that: the utility model discloses effectively solved liquid hydrogen basin and filled dress end length problem, be convenient for connect the installation, the whole S type bending structure that is of pipeline has increased the flexibility of pipeline simultaneously, avoids the pipeline to cause material fatigue, articulate production fracture leakage scheduling problem because of expend with heat and contract with cold because of ultra-low temperature liquid hydrogen is through the time.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
in the figure: 1. the vacuum insulation pipe comprises a vacuum male joint, 2. A hydrogen absorbing agent, 3. An adsorbent, 4. An outer expansion joint, 5. A vacuum interlayer outer pipe, 6. A vacuum interlayer inner pipe, 7. An aluminum foil layer, 8. A safety and vacuum pumping valve, 9. A vacuum female joint and 10. A fiber layer.
Detailed Description
The present invention will now be described in further detail with reference to the drawings and preferred embodiments. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
The high vacuum pipeline with the male and female plugs for extending the filling end of the liquid hydrogen storage tank as shown in fig. 1 comprises a vacuum pipe body, wherein a vacuum female joint 9 is installed at one end of the vacuum pipe body, a vacuum male joint 1 is installed at the other end of the vacuum pipe body, the vacuum pipe body is of an S-shaped bending structure, the flexibility of the pipeline is improved, and the problems that material fatigue is caused due to expansion with heat and contraction with cold, the joints are broken and leaked due to the ultralow temperature liquid hydrogen when the pipeline passes through are solved; the vacuum tube body comprises a vacuum interlayer outer tube 5 and a vacuum interlayer inner tube 6, the vacuum interlayer inner tube 6 is installed in the vacuum interlayer outer tube 5, and a vacuum interlayer is formed between the vacuum interlayer outer tube 5 and the vacuum interlayer inner tube 6.
The outer expansion joint 4 is arranged on the vacuum interlayer outer pipe 5, so that the problem that the vacuum interlayer inner pipe 6 is damaged by cracks possibly caused by the stretching of the vacuum interlayer outer pipe 5 due to the fact that liquid hydrogen enters the liquid to be cooled and shrunk is effectively solved.
The vacuum interlayer is filled with an adsorbent 3 and a hydrogen absorbing agent 2, and the adsorbent 3 can effectively adsorb gas impurities at the release position of the heat insulating material; the hydrogen absorbing agent 2 can effectively absorb hydrogen ions released at a welding seam, and the arrangement of the adsorbent 3 and the hydrogen absorbing agent 2 can greatly reduce the heat conduction of residual gas in the vacuum interlayer due to convection, thereby ensuring the long-term maintenance of the vacuum degree of the vacuum interlayer space.
The outer wall of the outer tube 5 of the vacuum interlayer is provided with a safety and vacuum pumping valve 8, the safety and vacuum pumping valve 8 is communicated with the vacuum interlayer, and the safety and vacuum pumping valve 8 can pump vacuum interlayer gas to enable the vacuum interlayer to form vacuum and can play a role in vacuum interlayer overpressure protection.
The outer surface of the vacuum interlayer inner pipe 6 is coated with a plurality of aluminum foil layers 7 and a plurality of fiber layers 10, and the aluminum foil layers 7 and the fiber layers 10 are alternately laid, so that the radiation heat transfer of the pipeline can be reduced.
The specific safety & vacuum-pumping valve 8 is externally connected with a vacuum-pumping pump and is used for pumping gas in the vacuum interlayer to ensure that the vacuum interlayer is vacuumized; the vacuum male joint 1 and the vacuum female joint 9 are respectively connected with a liquid hydrogen transmission hose and a liquid hydrogen tank filling port; the liquid hydrogen conveying condition can be met after the connection.
While the foregoing description describes only certain embodiments of the invention, it is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a liquid hydrogen basin fills dress end and extends with taking negative and positive plug high vacuum pipeline which characterized in that: the vacuum pipe comprises a vacuum pipe body, wherein a vacuum female joint (9) is installed at one end of the vacuum pipe body, a vacuum male joint (1) is installed at the other end of the vacuum pipe body, and the vacuum pipe body is of an S-shaped bending structure;
the vacuum tube body comprises a vacuum interlayer outer tube (5) and a vacuum interlayer inner tube (6), the vacuum interlayer inner tube (6) is installed in the vacuum interlayer outer tube (5), and a vacuum interlayer is formed between the vacuum interlayer outer tube (5) and the vacuum interlayer inner tube (6).
2. The high vacuum pipeline with male and female plugs for extending the filling end of a liquid hydrogen storage tank as claimed in claim 1, wherein: and an outer expansion joint (4) is arranged on the vacuum interlayer outer tube (5).
3. The high vacuum pipeline with male and female plugs for extending the filling end of a liquid hydrogen storage tank as claimed in claim 1, wherein: the vacuum interlayer is filled with an adsorbent (3) and a hydrogen absorbing agent (2).
4. The high vacuum pipeline with male and female plugs for extending the filling end of a liquid hydrogen storage tank as claimed in claim 1, wherein: and a safety and vacuum pumping valve (8) is arranged on the outer wall of the outer tube (5) of the vacuum interlayer, and the safety and vacuum pumping valve (8) is communicated with the vacuum interlayer.
5. The high vacuum pipeline with the male and female plugs for extending the filling end of the liquid hydrogen storage tank according to claim 1, characterized in that: the outer surface of the vacuum interlayer inner pipe (6) is coated with a plurality of aluminum foil layers (7) and a plurality of fiber layers (10), and the aluminum foil layers (7) and the fiber layers (10) are alternately laid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222965120.8U CN218441294U (en) | 2022-11-07 | 2022-11-07 | High vacuum pipeline with male and female plugs for extending filling end of liquid hydrogen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222965120.8U CN218441294U (en) | 2022-11-07 | 2022-11-07 | High vacuum pipeline with male and female plugs for extending filling end of liquid hydrogen storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218441294U true CN218441294U (en) | 2023-02-03 |
Family
ID=85074573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222965120.8U Active CN218441294U (en) | 2022-11-07 | 2022-11-07 | High vacuum pipeline with male and female plugs for extending filling end of liquid hydrogen storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218441294U (en) |
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2022
- 2022-11-07 CN CN202222965120.8U patent/CN218441294U/en active Active
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