CN220981030U - Liquid hydrogen pipeline integrated structure - Google Patents
Liquid hydrogen pipeline integrated structure Download PDFInfo
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- CN220981030U CN220981030U CN202322744615.2U CN202322744615U CN220981030U CN 220981030 U CN220981030 U CN 220981030U CN 202322744615 U CN202322744615 U CN 202322744615U CN 220981030 U CN220981030 U CN 220981030U
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- pipe
- infusion
- liquid
- infusion tube
- liquid hydrogen
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- 239000007788 liquid Substances 0.000 title claims abstract description 132
- 239000001257 hydrogen Substances 0.000 title claims abstract description 76
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 76
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001802 infusion Methods 0.000 claims abstract description 98
- 238000012546 transfer Methods 0.000 claims description 31
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 13
- 238000009529 body temperature measurement Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009755 vacuum infusion Methods 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model provides a liquid hydrogen pipeline integrated structure, in particular to the technical field of conveying equipment, which comprises an infusion assembly, an exhaust pipe and a fixing assembly, wherein: the infusion assembly comprises a first infusion tube and a second infusion tube, the fixing assembly comprises an upper flange, a lower flange and a sleeve, the upper flange, the lower flange and the fixing flange are reinforced to form a sealing structure, the first infusion tube, the second infusion tube and the exhaust tube are integrated inside the sealing structure, the heat leakage of a pipeline is reduced, meanwhile, the disassembly and replacement are more convenient, the sealing structure of an upper cavity and a lower cavity can be formed by matching with a liquid hydrogen reservoir, and the sealing performance of the liquid hydrogen reservoir is improved.
Description
Technical Field
The utility model relates to the technical field of conveying equipment, in particular to a liquid hydrogen pipeline integrated structure.
Background
At present, the main form of the application of hydrogen energy in China is high-pressure gas hydrogen storage, and compared with a hydrogen supply mode of high-pressure gas storage, the hydrogen supply mode of low-temperature liquid storage, namely a liquid hydrogen storage warehouse, has the advantages of high specific gravity of hydrogen storage, low transportation cost, high gasification purity, low storage and transportation pressure, high use safety and the like, and can effectively control the comprehensive cost.
When liquid hydrogen is conveyed into a liquid hydrogen reservoir or conveyed from the liquid hydrogen reservoir to the outside for use, evaporation occurs because the liquid hydrogen is in a low-temperature state, the density of liquid is relatively high compared with that of gas, therefore, the vaporized hydrogen in the middle of hydrogen conveying or in the liquid hydrogen reservoir is required to be discharged, so that the internal pressure of a pipeline is prevented from being too high, most of liquid hydrogen conveying at present adopts an integrated tube bundle, but the existing integrated tube bundle is usually fixed and connected through welding, the problems that the disassembly and the replacement are troublesome when the pipeline leakage and the liquid leakage are needed to be replaced are easy, and the leakage amount of the multi-point welding pipeline is large are solved.
Disclosure of utility model
The utility model provides a liquid hydrogen pipeline integrated structure, which aims to solve the problems of poor sealing property, large cold energy leakage and inconvenient maintenance of liquid hydrogen conveyed by an integrated pipe bundle.
The utility model is realized by the following technical scheme:
the utility model provides a liquid hydrogen pipeline integrated structure, which comprises an infusion assembly, an exhaust pipe and a fixing assembly, wherein:
The infusion assembly comprises a first infusion tube and a second infusion tube, wherein the first infusion tube and the second infusion tube are respectively provided with a liquid outlet and a liquid inlet, the first infusion tube is parallel to the second infusion tube, and the liquid outlet on the first infusion tube and the liquid outlet on the second infusion tube face opposite directions;
the exhaust pipe comprises an air inlet and an air outlet, the fixing assembly comprises an upper flange, a lower flange and a sleeve, the upper flange and the lower flange are respectively located on two sides of the first infusion pipe, the upper flange is fixedly connected with the liquid outlet end of the first infusion pipe, the liquid inlet end of the second infusion pipe and the air outlet end of the exhaust pipe, the lower flange is fixedly connected with the liquid inlet end of the first infusion pipe, the liquid outlet end of the second infusion pipe and the air inlet end of the exhaust pipe, the two ends of the sleeve are respectively connected with the upper flange and the lower flange, the sleeve is close to one side of the lower flange and is also provided with a fixing flange, and the fixing flange is fixedly connected with the sleeve.
Further, the infusion assembly further comprises two conveying pipes, one conveying pipe is communicated with the liquid inlet of the first infusion pipe, and the other conveying pipe is communicated with the liquid outlet of the second infusion pipe.
Further, the infusion assembly further comprises a delivery pump, and the delivery pump is communicated with a delivery pipe connected with the liquid inlet of the first infusion pipe.
Further, the fixing assembly further comprises two supporting pipes, one end of each supporting pipe is fixedly connected with the lower flange, the other end of each supporting pipe extends to one side of the conveying pump, and the two supporting pipes are fixedly connected through the reinforcing pipe.
Further, the fixing assembly further comprises a plurality of first fixing assemblies, and the support pipes and the conveying pipes are fixed by the first fixing assemblies to form a stable triangle structure.
Further, the fixing assembly further comprises a second fixing assembly, and the second fixing assembly is used for fixedly connecting the conveying pump with the conveying pipe and the supporting pipe.
Further, still include the temperature measurement subassembly, the temperature measurement subassembly includes the temperature measurement pipe, the temperature measurement pipe runs through the upper flange lower flange and extend to delivery pump one side, the temperature measurement pipe with upper flange lower flange fixed connection, temperature measurement pipe one side through the strengthening pipe with stay tube fixed connection, the temperature measurement pipe outside is fixed with the temperature measurement component, the inside level gauge that is fixed with of temperature measurement pipe.
Furthermore, neck pipes are arranged on one side of the liquid outlet of the first infusion tube and one side of the liquid inlet of the second infusion tube, the neck pipes are fixedly connected with the upper flange, and the inner sides of the neck pipes are fixedly connected with the first infusion tube and the second infusion tube.
Further, a fixing sleeve is arranged on one side of the liquid inlet of the first infusion tube and one side of the liquid outlet of the second infusion tube, and the fixing sleeve is used for fixing the first infusion tube and the second infusion tube on the lower flange.
Further, the transfer pump adopts a immersed pump.
The utility model has the beneficial effects that:
(1) The liquid hydrogen pipeline integrated structure provided by the utility model has the advantages that the upper flange, the lower flange and the sleeve are matched with the fixed flange for reinforcement to form the sealing reinforcement cylinder, the upper flange and the lower flange are matched with the liquid hydrogen warehouse for sealing the upper cavity and the lower cavity of the upper warehouse and the lower warehouse, the disassembly and the replacement are more convenient, and the optimal sealing effect can be achieved and the safety is improved through the design of the matched sealing structure.
(2) The liquid hydrogen pipeline integrated structure is fixed through the first fixing component and the second fixing component, so that when maintenance is needed or vulnerable components are replaced, the liquid hydrogen pipeline integrated structure is more convenient for users to detach, and the maintenance efficiency is higher.
(3) According to the liquid hydrogen pipeline integrated structure, the supporting pipe and the first fixing component are matched with the conveying pipe to fix, a stable triangle structure is formed, the pipeline is fixed in the mode, the conditions of shaking, falling and the like cannot occur, and the structure is more stable.
(4) The first infusion tube and the second infusion tube of the liquid hydrogen pipeline integrated structure provided by the utility model use the vacuum infusion tube to reduce cold energy leakage, the seamless steel is used for the delivery tube to reduce the cost, and the upper section and the lower section are connected by butt welding, so that the sealing performance is improved, and meanwhile, the cold energy can be reduced.
Drawings
FIG. 1 is an overall view of a liquid hydrogen pipeline integrated structure of the present utility model;
FIG. 2 is a view showing the internal structure of a sleeve of the liquid hydrogen pipeline integrated structure of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
in the figure: the device comprises a first infusion tube 1, a second infusion tube 2, an exhaust tube 3, an upper flange 4, a lower flange 5, a fixed flange 6, a sleeve 7, a conveying tube 8, a conveying pump 9, a supporting tube 10, a first fixing component 11, a second fixing component 12, a temperature measuring tube 13, a neck tube 14, a fixed sleeve 15 and a reinforcing tube 16;
the realization, functional characteristics and advantages of the present utility model are further described with reference to the accompanying drawings in combination with the embodiments.
Detailed Description
In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-4, the present utility model provides a liquid hydrogen pipeline integrated structure, which comprises an infusion assembly, an exhaust pipe 3 and a fixing assembly, wherein:
The infusion assembly comprises a first infusion tube 1 and a second infusion tube 2, wherein the first infusion tube 1 and the second infusion tube 2 are respectively provided with a liquid outlet and a liquid inlet, the first infusion tube 1 is parallel to the second infusion tube 2, and the liquid outlet on the first infusion tube 1 and the liquid outlet on the second infusion tube 2 face opposite directions;
The blast pipe 3 includes air inlet and gas outlet, fixed subassembly includes flange 4, lower flange 5 and sleeve 7, upper flange 4, lower flange 5 are located the both sides of first transfer line 1 respectively, upper flange 4 and first transfer line 1 liquid outlet end, second transfer line 2 inlet end and blast pipe 3 gas outlet end fixed connection, lower flange 5 and first transfer line 1 liquid inlet end, second transfer line 2 liquid outlet end and blast pipe 3 gas inlet end fixed connection, sleeve 7 both ends respectively with upper flange 4, lower flange 5 fixed connection, sleeve 7 is close to lower flange 5 one side still is equipped with flange 6, flange 6 and sleeve 7 fixed connection.
In the present embodiment, the following is described.
The first infusion tube 1 is used for conveying liquid hydrogen into the liquid hydrogen warehouse;
the second infusion tube 2 is used for conveying the liquid hydrogen in the liquid hydrogen reservoir to a using terminal;
the exhaust pipe 3 is used for conveying the vaporized hydrogen to a use terminal;
The upper flange 4 and the lower flange 5 are used for providing a fixed structure for the first infusion tube 1, the second infusion tube 2 and the exhaust tube 3;
the sleeve 7 is used for fixing the upper flange 4 and the lower flange 5 and forming a sealing structure;
The fixing flange 6 is used for providing a reinforcing, connecting and supporting structure;
Specifically, the upper flange 4 can also seal and fix the position at the top center of the liquid hydrogen reservoir with whole pipeline integrated component, be equipped with a plurality of circular holes on upper flange 4 and the lower flange 5, the liquid outlet end of first transfer line 1, the gas outlet end of blast pipe 3 and the liquid inlet end of second transfer line 2 insert to the circular hole of upper flange 4 in be fixed with upper flange 4, the liquid inlet end of first transfer line 1, the gas inlet end of blast pipe 3 and the liquid outlet end of second transfer line 2 carry out fixed connection with lower flange 5, sleeve 7 forms a seal structure with upper flange 4, lower flange 5, when installing in the liquid hydrogen reservoir, through sleeve 7, a seal structure that upper flange 4 and lower flange 5 formed, lower flange 5 cooperates the liquid hydrogen reservoir upper and lower storehouse body to seal, thereby improve the leakproofness.
In one embodiment:
Further, the infusion assembly further comprises two conveying pipes 8, one end of each conveying pipe 8 is communicated with the liquid inlet of the first infusion pipe 1, and the other conveying pipe 8 is communicated with the liquid outlet of the second infusion pipe 2.
In the present embodiment, the following is described.
The conveying pipe 8 is used for extending the second conveying pipe 2 and the first conveying pipe 1;
specifically, the delivery tube 8 extends the second delivery tube 2 and the first delivery tube 1, so that liquid hydrogen can smoothly enter the liquid hydrogen reservoir and be delivered to the use terminal.
Further, the infusion assembly further comprises a delivery pump 9, the delivery pump 9 is communicated with a delivery pipe 8 connected with the liquid outlet of the first infusion pipe 1, and the delivery pump 9 adopts a immersed pump.
In the present embodiment, the following is described.
The delivery pump 9 is used for providing power for liquid hydrogen delivery;
Specifically, the immersed pump can be completely immersed in the medium, sealing and lubrication are not needed, the medium is free from leakage, meanwhile, the maintenance cost is low, and finally, the immersed pump can work well in a heat-insulating mode, the cold loss is reduced, the liquid hydrogen storage in the liquid hydrogen storage is not affected, and the immersed pump can be replaced by conveying pressure into a pipe to convey liquid hydrogen.
Further, the fixing assembly further comprises two support pipes 10, one end of each support pipe 10 is fixedly connected with the lower flange 5, the other end of each support pipe 10 extends to one side of the conveying pump, the two support pipes 10 are fixedly connected through a reinforcing pipe 16, the fixing assembly further comprises a plurality of first fixing assemblies 11, and the support pipes 10 and the conveying pipes 8 are fixed through the plurality of first fixing assemblies 11 to form a stable triangular structure.
In the present embodiment, the following is described.
The supporting tube 10 is used for providing a stable structure for the exhaust pipe 3 and the conveying pipe 8;
the first fixing component 11 is used for providing a stable structure;
the reinforcement pipe 16 is used to firmly reinforce the two support pipes 10;
Specifically, the reinforcing pipe 16 is fixed with two stay tubes 10 through welding, two stay tubes 10 parallel arrangement, first fixed subassembly 11 includes three first mounting, there is semicircle part at both ends and the middle one side of first mounting, semicircle part and blast pipe 3, the cooperation of conveyer pipe 8, three first mounting is fixed through the screw combination and is made up into first fixed subassembly 11, semicircle part cooperation constitutes a circular hole, the circular hole is fixed stay tube 10, conveyer pipe 8 is in inside, the conveyer pipe 8 that stay tube 10 and first transfer line 1 are connected forms a regular triangle, conveyer pipe 8 that the second transfer line 2 is connected is on the central point of regular triangle, fix through two stay tubes 10 and a plurality of first fixed subassembly 11 and can form firm triangle-shaped structural support and prevent that conveyer pipe 8 from rocking and dropping the condition, while can be fixed firmly through stay tube 10 and first fixed subassembly 11, when breaking down, more convenient dismantlement change the component.
Further, the fixing assembly further comprises a second fixing assembly 12, and the second fixing assembly 12 fixedly connects the conveying pump 9 with the conveying pipe 8 and the supporting pipe 10.
In the present embodiment, the following is described.
The second fixing assembly 12 is used for providing a fixing structure for the delivery pump 9;
Specifically, the second fixed subassembly 12 includes a plurality of second mounting, the second mounting is similar to first mounting, be equipped with a plurality of semicircle parts on the second mounting, the semicircle of second mounting both ends matches with conveyer pipe 8 and stay tube 10, the semicircle of one side is fixed with conveyer pump 9 size in the middle of the second mounting, constitute second fixed subassembly 12, second fixed subassembly 12 is fixed conveyer pump 9 in the center, the marginal portion is fixed with conveyer pipe 8 and stay tube 10 simultaneously, second fixed subassembly 12 is fixed conveyer pipe 8 and stay tube 10 simultaneously, carry out the cohesion together with conveyer pump 9 and strengthen fixedly, when making the structure firm, also conveniently dismantle and change the component, secondly still can reduce cold energy leakage.
Further, the temperature measuring assembly comprises a temperature measuring tube 13, the temperature measuring tube 13 penetrates through the upper flange 4 and the lower flange 5 and extends to one side of the conveying pump, the temperature measuring tube 13 is fixedly connected with the upper flange 4 and the lower flange 5, one side of the temperature measuring tube 13 is fixedly connected with the supporting tube 10 through a reinforcing tube 16, a temperature measuring element is fixed outside the temperature measuring tube 13, and a liquid level meter is fixed inside the temperature measuring tube 13.
In the present embodiment, the following is described.
The temperature measuring tube 13 is used for providing a containing and fixing structure for the wiring, the temperature measuring element and the liquid level meter;
the liquid level meter is used for measuring the liquid level of liquid hydrogen in the liquid hydrogen reservoir;
the temperature measuring element is used for measuring the temperature of the liquid hydrogen reservoir;
Specifically, the line of walking of delivery pump, the line of walking of liquid level gauge and the line of temperature measuring element are connected to the outside through temperature measuring tube 13, and temperature measuring element carries out the inside temperature of perception temperature measuring tube 13, and temperature measuring tube 13 stretches into in the liquid hydrogen storehouse, liquid hydrogen storehouse liquid level and the liquid level parallel and level in the temperature measuring tube 13, and the liquid level gauge carries out real time monitoring liquid hydrogen storehouse's liquid level through measuring temperature measuring tube 13 liquid level, and temperature measuring element sets up outside the temperature of real time monitoring liquid hydrogen storehouse at temperature measuring tube 13.
Further, a neck pipe 14 is arranged on the liquid outlet side of the first infusion tube 1 and the liquid inlet side of the second infusion tube 2, the neck pipe 14 is fixedly connected with the upper flange 4, and the inner side of the neck pipe 14 is fixedly connected with the first infusion tube 1 and the second infusion tube 2.
In the present embodiment, the following is described.
The neck tube 14 is used for reducing heat leakage for the first infusion tube 1 and the second infusion tube 2;
Specifically, two neck pipes 14 are welded on the upper flange 4, the inside of the neck pipe 14 is connected with the first infusion pipe 1 and the second infusion pipe 2, and liquid hydrogen enters the liquid hydrogen reservoir through the first infusion pipe 1 and is output to the outside through the second infusion pipe 2, and when the liquid hydrogen enters the liquid hydrogen reservoir through the first infusion pipe 1, the liquid hydrogen is discharged to the outside through the neck pipe 14, and the liquid hydrogen leakage heat is reduced through the neck pipe 14.
Further, a fixing sleeve 15 is arranged on the liquid inlet side of the first infusion tube 1 and the liquid outlet side of the second infusion tube 2, and the fixing sleeve 15 is used for fixing the first infusion tube 1 and the second infusion tube 2 on the lower flange 5.
In the present embodiment, the following is described.
The fixing sleeve 15 is used for fixing and heat insulation;
Specifically, the fixing sleeve 15 fixes the first infusion tube 1 and the second infusion tube 2 on the lower flange 5, and the sealing cavity formed by the external part and the reinforcing cylinder can be isolated through the fixing sleeve 15, so that external heat is isolated.
In summary, in the practical implementation, the transfer pump 9 is completely immersed in the liquid hydrogen reservoir, the external liquid hydrogen sequentially passes through the liquid inlet of the second transfer tube 2, the liquid outlet of the second transfer tube 2, and the transfer tube 8 connected to the second transfer tube 2, and enters the liquid hydrogen reservoir for storage, when the liquid hydrogen needs to be transferred to the outside, the transfer pump 9 is operated, and sequentially transfers the liquid hydrogen from the transfer inlet of the transfer pump 9 to the transfer tube 8 connected to the first transfer tube 1, the liquid inlet of the first transfer tube 1, the liquid outlet of the first transfer tube 1, and then transfers the liquid hydrogen from the first transfer tube 1 to the terminal for use, and the vaporized hydrogen is discharged to the terminal for use through the exhaust tube 3.
Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a liquid hydrogen pipeline integrated configuration which characterized in that includes infusion subassembly, blast pipe and fixed subassembly, wherein:
The infusion assembly comprises a first infusion tube and a second infusion tube, wherein the first infusion tube and the second infusion tube are respectively provided with a liquid outlet and a liquid inlet, the first infusion tube is parallel to the second infusion tube, and the liquid outlet on the first infusion tube and the liquid outlet on the second infusion tube face opposite directions;
the exhaust pipe comprises an air inlet and an air outlet, the fixing assembly comprises an upper flange, a lower flange and a sleeve, the upper flange and the lower flange are respectively located on two sides of the first infusion pipe, the upper flange is fixedly connected with the liquid outlet end of the first infusion pipe, the liquid inlet end of the second infusion pipe and the air outlet end of the exhaust pipe, the lower flange is fixedly connected with the liquid inlet end of the first infusion pipe, the liquid outlet end of the second infusion pipe and the air inlet end of the exhaust pipe, the two ends of the sleeve are respectively connected with the upper flange and the lower flange, the sleeve is close to one side of the lower flange and is also provided with a fixing flange, and the fixing flange is fixedly connected with the sleeve.
2. The liquid hydrogen pipeline integrated structure according to claim 1, wherein the transfusion assembly further comprises two conveying pipes, one conveying pipe is communicated with the liquid inlet of the first transfusion pipe at one end, and the other conveying pipe is communicated with the liquid outlet of the second transfusion pipe.
3. The liquid hydrogen pipeline integrated structure of claim 2, wherein the infusion assembly further comprises a transfer pump in communication with a transfer pipe connected to the first transfer pipe inlet.
4. The liquid hydrogen pipeline integrated structure according to claim 3, wherein the fixing assembly further comprises two support pipes, one ends of the support pipes are fixedly connected with the lower flange, the other ends of the support pipes extend to one side of the delivery pump, and the two support pipes are fixedly connected through a reinforcing pipe.
5. The liquid hydrogen pipeline integrated structure according to claim 4, wherein the fixing assembly further comprises a plurality of first fixing assemblies, and the plurality of first fixing assemblies fix the support pipe and the conveying pipe and form a stable triangle structure.
6. The liquid hydrogen pipeline integrated structure according to claim 5, wherein the fixing assembly further comprises a second fixing assembly, and the second fixing assembly fixedly connects the delivery pump with the delivery pipe and the support pipe.
7. The liquid hydrogen pipeline integrated structure according to claim 6, further comprising a temperature measuring assembly, wherein the temperature measuring assembly comprises a temperature measuring pipe, the temperature measuring pipe penetrates through the upper flange and the lower flange and extends to one side of the conveying pump, the temperature measuring pipe is fixedly connected with the upper flange and the lower flange, one side of the temperature measuring pipe is fixedly connected with the supporting pipe through a reinforcing pipe, a temperature measuring element is fixed outside the temperature measuring pipe, and a liquid level meter is fixed inside the temperature measuring pipe.
8. The liquid hydrogen pipeline integrated structure according to claim 1, wherein neck pipes are arranged on the liquid outlet side of the first infusion pipe and the liquid inlet side of the second infusion pipe, the neck pipes are fixedly connected with the upper flange, and the inner sides of the neck pipes are fixedly connected with the first infusion pipe and the second infusion pipe.
9. The liquid hydrogen pipeline integrated structure according to claim 1, wherein a fixing sleeve is arranged on the liquid inlet side of the first infusion tube and the liquid outlet side of the second infusion tube, and the fixing sleeve fixes the first infusion tube and the second infusion tube on the lower flange.
10. The liquid hydrogen pipeline integrated structure according to claim 3, wherein the transfer pump adopts a submerged pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744615.2U CN220981030U (en) | 2023-10-12 | 2023-10-12 | Liquid hydrogen pipeline integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744615.2U CN220981030U (en) | 2023-10-12 | 2023-10-12 | Liquid hydrogen pipeline integrated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220981030U true CN220981030U (en) | 2024-05-17 |
Family
ID=91036878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322744615.2U Active CN220981030U (en) | 2023-10-12 | 2023-10-12 | Liquid hydrogen pipeline integrated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220981030U (en) |
-
2023
- 2023-10-12 CN CN202322744615.2U patent/CN220981030U/en active Active
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