CN219530547U - High-capacity zero-evaporation storage liquid helium tank box - Google Patents
High-capacity zero-evaporation storage liquid helium tank box Download PDFInfo
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- CN219530547U CN219530547U CN202320354643.0U CN202320354643U CN219530547U CN 219530547 U CN219530547 U CN 219530547U CN 202320354643 U CN202320354643 U CN 202320354643U CN 219530547 U CN219530547 U CN 219530547U
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- 239000007788 liquid Substances 0.000 title claims abstract description 257
- 239000001307 helium Substances 0.000 title claims abstract description 237
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 237
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 237
- 238000003860 storage Methods 0.000 title claims abstract description 39
- 238000001704 evaporation Methods 0.000 title claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 118
- 229910052802 copper Inorganic materials 0.000 claims abstract description 118
- 239000010949 copper Substances 0.000 claims abstract description 118
- 239000002826 coolant Substances 0.000 claims abstract description 86
- 239000002131 composite material Substances 0.000 claims abstract description 43
- 239000012774 insulation material Substances 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 20
- 230000008020 evaporation Effects 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 230000007774 longterm Effects 0.000 abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002760 rocket fuel Substances 0.000 description 1
Classifications
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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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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to the technical field of low-temperature tank boxes/tank containers, in particular to a high-capacity zero-evaporation storage liquid helium tank box/tank container, which comprises: the liquid helium tank inner container, the liquid helium tank inner container cold screen coil pipe, the liquid helium liquid inlet and outlet pipe, the composite multilayer heat insulation material, the inner copper screen, the flash evaporation gas transmission pipe, the heat insulation support, the outer copper screen, the liquid helium tank outer container, the liquid helium tank steel frame, the liquid helium liquid inlet and outlet transmission pipeline, the cooling medium inner container cold screen coil pipe, the composite multilayer heat insulation material II, the inner copper screen II, the heat insulation support II, the outer copper screen II, the cryogenic cold head, the cryogenic refrigerator and the unidirectional liquid adding control valve. The utility model can cope with the situation that the internal pressure of the low-temperature tank is rapidly increased in the process of storing liquid helium under pressure for a long time and transporting liquid helium for a long time and remotely, and realizes long-term zero-evaporation storage.
Description
Technical Field
The utility model relates to the technical field of low-temperature tank boxes/tank containers, in particular to a high-capacity zero-evaporation storage liquid helium tank box/tank container.
Background
Helium plays an extremely important role in various fields as a non-renewable scarce strategic resource. In the technical fields of industrial production such as metallurgy and chip manufacturing, helium can be used in large quantities as shielding gas and electron gas; in the medical field, helium is mainly used on magnetic resonance equipment and is liquefied into liquid helium to form a coolant of a superconducting coil of the magnetic resonance equipment; in the space engineering, helium has very stable property, and is used as driving gas of various pneumatic valves on a rocket and pressurizing gas in a rocket fuel tank. Helium has been an essential key resource for national security and development of the high and new technology industry, and has an important strategic position.
Because of the importance of helium resources as strategic resources, liquid helium tanks (also known as liquid helium tank containers) are economically responsible for the large volume of liquid helium storage and transportation. Compared with other low-temperature liquids, liquid helium has the characteristics of small latent heat, low density, good thermal conductivity and strong diffusivity. The liquid helium tank is used for storing and transporting liquid helium under pressure, and has more complex structure and more operating condition load than the common pressure container, and the existing large-capacity liquid helium tank is mostly provided with a liquid nitrogen container, a liquid nitrogen protection screen or a multi-screen heat insulation structure, and a plurality of heat insulation modes are combined for use. The liquid helium tank container is heated and evaporated due to internal heat leakage or overhigh temperature and the like caused by the existing heat insulation mode, so that the inside of the container is pressurized, and when the pressure of the container exceeds the allowable pressure of the container, the container must be discharged for depressurization, so that a great deal of liquid helium is lost and wasted, and potential safety hazards in the depressurization process of the container can also occur.
In summary, the prior art may occur in the process of storing and transporting low-temperature liquefied gas under pressure, the inside of the container of the liquid helium tank is heated and evaporated due to heat leakage or overhigh temperature, so that the inside is pressurized too quickly to discharge the reduced pressure, which may cause a great deal of loss and waste of the liquid helium, and potential safety hazards in the process of depressurizing the container may also occur.
Disclosure of Invention
The embodiment of the utility model provides a high-capacity zero-evaporation storage liquid helium tank/tank container, which at least solves the technical problems that the existing liquid helium tank cannot be stored under pressure for a long time and transported for a long time and a long distance.
According to an embodiment of the present utility model, there is provided a high capacity zero evaporation storage helium tank container comprising: the liquid helium tank inner container, the liquid helium tank inner container cold screen coil pipe, the liquid helium liquid inlet and outlet pipe, the composite multilayer heat insulation material, the inner copper screen, the flash gas transmission pipe, the heat insulation support, the outer copper screen, the liquid helium tank outer container, the liquid helium tank steel frame, the liquid helium liquid inlet and outlet transmission pipeline, the cooling medium inner container cold screen coil pipe, the composite multilayer heat insulation material II, the inner copper screen II, the heat insulation support II, the outer copper screen II, the cryogenic cold head, the cryogenic refrigerator and the unidirectional liquid adding control valve; wherein:
the liquid helium tank inner container is used for storing liquid helium, and the cold screen coil pipe, the composite multilayer heat insulation material, the inner copper screen and the outer copper screen of the liquid helium tank inner container are sequentially arranged on the outer side of the liquid helium tank inner container;
one end of the liquid helium inlet and outlet pipe penetrates through the inner container of the liquid helium tank, is arranged at the bottom of the inner container of the liquid helium tank and is used for liquid helium inlet or outlet of the inner container of the liquid helium tank, and the other end of the liquid helium inlet and outlet pipe sequentially penetrates through the composite multilayer heat insulation material, the inner copper screen, the outer copper screen and the outer container of the liquid helium tank and is connected with a helium liquefier or a liquid helium storage container; the inner container of the liquid helium tank is connected with the outer container of the liquid helium tank through a heat insulation support;
a cooling medium inner container is arranged at one side of the inner container of the liquid helium tank and is used for storing helium flash and liquefied liquid helium, and a cooling medium inner container cold screen coil pipe, a composite multilayer heat insulation material II, an inner copper screen II and an outer copper screen II are sequentially arranged at the outer side of the inner container of the liquid helium tank;
one end of a liquid helium liquid inlet transmission pipeline sequentially passes through the outer copper screen II, the inner copper screen II, a cooling medium inner container cold screen coil pipe, a composite multi-layer heat insulation material II and a cooling medium inner container, the lower part of the cooling medium inner container is arranged in the liquid helium liquid inlet transmission pipeline, the other end of the liquid helium liquid inlet transmission pipeline passes through the outer copper screen, the inner copper screen, the composite multi-layer heat insulation material and the lower part of the liquid helium tank inner container, the cooling medium inner container is communicated with the inside of the liquid helium tank inner container, and a one-way liquid adding control valve is arranged on the liquid helium liquid inlet transmission pipeline;
the low-temperature refrigerator is arranged inside the liquid helium tank outer container and inside the cooling medium inner container, wherein the upper part of the low-temperature refrigerator is positioned inside the liquid helium tank outer container and above the outer side of the cooling medium inner container, the middle part and the lower part of the low-temperature refrigerator are positioned inside the cooling medium inner container, and the lower part of the low-temperature refrigerator is connected with the low-temperature cold head; the low-temperature cold head is arranged inside the cooling medium inner container; one end of a flash gas transmission pipe is connected to the inner container of the cooling medium, and the flash gas transmission pipe passes through the inner container of the cooling medium, the composite multilayer heat insulation material II, the inner copper screen II and the outer copper screen II and passes through the composite multilayer heat insulation material, the inner copper screen, the outer copper screen and the cold screen coil; the cooling medium inner container is connected with the liquid helium tank outer container through an adiabatic support II.
Further, one end of the liquid helium liquid inlet and outlet pipe penetrates through the inner container of the liquid helium tank, is arranged at the bottom of the inner container of the liquid helium tank, and the other end of the liquid helium liquid inlet and outlet pipe is connected with the helium liquefier or the liquid helium storage container through a heat insulation vacuum pipeline and penetrates through the composite multi-layer heat insulation material, the inner copper screen, the outer copper screen and the outer container of the liquid helium tank.
Further, a liquid inlet and outlet valve is arranged between the outer copper screen and the outer container of the liquid helium tank to realize liquid inlet and outlet flow regulation.
Further, a cold screen coil pipe of the inner container of the liquid helium tank is wound on the outer side of the inner container of the liquid helium tank, and cold screen cooling medium provides cold energy for the inner container of the liquid helium tank through the cold screen coil pipe.
Further, the outer side of the inner container of the liquid helium tank is provided with an inner copper screen, a composite multi-layer heat insulation material is wrapped between the inner container of the liquid helium tank and the inner copper screen, and the outer side of the inner copper screen is provided with an outer copper screen, so that radiation heat leakage is further reduced.
Further, an outer container of a liquid helium tank is arranged outside the outer copper screen and is used for realizing a vacuum environment; the inner container of the liquid helium tank and the inner container of the cooling medium are connected with the outer container of the liquid helium tank by adopting a heat insulation support II; the outer side of the outer container of the liquid helium tank is provided with a liquid helium tank steel frame.
Further, outer copper screen II is arranged on the right side of the outer copper screen, the inner part of the outer copper screen II comprises an inner copper screen II, and the inner part of the inner copper screen II comprises a cooling medium inner container for storing cooling medium of the liquid helium tank.
Further, a cooling medium inner container cold screen coil is wound on the outer side of the cooling medium inner container, and a composite multilayer heat insulation material II is filled between the cooling medium inner container and the inner copper screen II.
Further, a cryocooler is arranged above and in the cooling medium inner container, wherein the lower part of the cryocooler is connected with a cryocooler head; the low-temperature cold head is arranged in the cooling medium inner container and used for cooling the cooling medium; the low-temperature refrigerator adopts a pulse tube refrigerator, a G-M refrigerator, a thermoacoustic refrigerator or a reverse brayton refrigerator, and adopts a single stage or a double stage; the low-temperature cold head adopts a primary cold head and a secondary cold head.
Further, one end of a flash gas transmission pipe is arranged above the cooling medium inner container, and the flash gas transmission pipe passes through the cooling medium inner container, the composite multilayer heat insulation material II, the inner copper screen II, the outer copper screen II and the heat insulation vacuum pipeline and passes through the composite multilayer heat insulation material, the inner copper screen, the outer copper screen and the cold screen coil pipe to be connected.
According to the high-capacity zero-evaporation liquid helium tank container/tank container, liquid helium flows into the liquid helium tank container from the helium liquefier or the liquid helium storage device through the liquid helium liquid inlet and outlet pipe, helium generated after liquid helium evaporation flows into the liquid helium tank container through the cold screen coil in the liquid helium tank container, heat absorption is achieved, radiation heat leakage is reduced, heated helium enters the cooling medium container through the flash evaporation gas transmission pipe, and the temperature is reduced and liquefied under the action of the low-temperature cold head. Part of low-temperature liquid flows back to the inner container of the liquid helium tank through the liquid helium liquid inlet transmission pipeline, so that the situation that the internal pressure of the liquid helium tank is rapidly increased easily in the long-term storage under pressure and long-term long-distance transportation process can be dealt with, and long-term zero-evaporation storage is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a block diagram of a high capacity zero evaporation storage helium tank/tank container of the present utility model;
marked in the figure as: the device comprises a 1-liquid helium tank inner container, a 2-liquid helium tank inner container cold screen coil, a 3-liquid helium liquid inlet and outlet pipe, a 4-composite multilayer heat insulation material, a 5-inner copper screen, a 6-flash evaporation gas transmission pipe, a 7-heat insulation support, an 8-outer copper screen, a 9-liquid helium tank outer container, a 10-liquid helium tank steel frame, a 11-liquid helium liquid inlet and outlet transmission pipeline, a 12-cooling medium inner container, a 13-cooling medium inner container cold screen coil, a 14-composite multilayer heat insulation material II, a 15-inner copper screen II, a 16-outer copper screen II, a 17-low temperature cold head, a 18-low temperature refrigerator, a 19-one-way liquid adding control valve and a 20-heat insulation support II.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to better realize long-term pressurized storage and long-time and long-distance transportation of the liquid helium tank, and avoid great loss and waste of liquid helium and potential safety hazards in the discharging process, the utility model provides the high-capacity zero-evaporation storage liquid helium tank which can cope with the condition that the internal pressure of the liquid helium tank is rapidly increased in the long-term pressurized storage liquid helium process and the long-time and long-distance transportation of liquid helium, and realize long-term zero-evaporation storage.
As shown in fig. 1, a high-capacity zero-evaporation storage liquid helium tank container/tank container of the present utility model comprises: the liquid helium tank inner container 1, the liquid helium tank inner container cold screen coil pipe 2, the liquid helium liquid inlet and outlet pipe 3, the composite multilayer heat insulation material 4, the inner copper screen 5, the flash gas transmission pipe 6, the heat insulation support 7, the outer copper screen 8, the liquid helium tank outer container 9, the liquid helium tank steel frame 10, the liquid helium liquid inlet and liquid transmission pipeline 11, the cooling medium inner container 12, the cooling medium inner container cold screen coil pipe 13, the composite multilayer heat insulation material II14, the inner copper screen II15, the outer copper screen II16, the cryogenic coldhead 17, the cryocooler 18, the unidirectional liquid feeding control valve 19 and the heat insulation support II20.
One end of the liquid helium liquid inlet and outlet pipe 3 is connected with the lower part of the liquid helium tank inner container 1, and the other end is connected with a helium liquefier or a liquid helium storage container through a heat insulation vacuum pipeline and penetrates through the composite multi-layer heat insulation material 4, the inner copper screen 5, the outer copper screen 8, the liquid helium tank outer container 9 and the liquid helium tank steel frame 10. An inlet and outlet valve is arranged between the outer copper screen 8 and the outer container 9 of the liquid helium tank box to realize the regulation of inlet and outlet flow. The cold screen coil pipe 2 of the liquid helium tank inner container is wound on the outer side of the liquid helium tank inner container 1, and cold screen cooling medium provides cold energy for the liquid helium tank inner container 1 through the cold screen coil pipe.
The outer side of the inner container 1 of the liquid helium tank is provided with an inner copper screen 5, a composite multi-layer heat insulation material 4 is wrapped between the inner container 1 of the liquid helium tank and the inner copper screen 5, and the outer side of the inner copper screen 5 is provided with an outer copper screen 8 for reducing radiation heat leakage. The outer side of the outer copper screen 8 is provided with a liquid helium tank outer container 9 for realizing a vacuum environment. The liquid helium tank outer container 9 is connected with the outer copper screen 8 through a heat insulation support 7 and is used for fixing the inner structures such as the outer copper screen 8 and the like. The outer side of the liquid helium tank outer container 9 is provided with a 10 liquid helium tank steel frame.
An outer copper screen II16 is arranged on the right side of the outer copper screen 8, an inner copper screen II15 is arranged in the outer copper screen II16, and a cooling medium inner container 12 is arranged in the inner copper screen II15 and used for storing cooling medium of a liquid helium tank. The cooling medium inner container 12 is wound with a cooling medium inner container cold screen coil 13, and a composite multilayer heat insulation material II14 is filled between the cooling medium inner container 12 and an inner copper screen II 15.
The bottom of the cooling medium inner container 12 is connected with one end of a liquid helium liquid inlet transmission pipeline 11, the other end of the liquid helium liquid inlet transmission pipeline 11 penetrates through the outer copper screen 8, the inner copper screen 5, the composite multilayer heat insulation material 4 and the liquid helium tank inner container 1 to communicate the cooling medium inner container 12 with the inside of the liquid helium tank inner container 1, and a one-way liquid adding control valve is arranged on the liquid helium liquid inlet transmission pipeline and is used for controlling and adjusting the liquid helium flow flowing from the cooling medium inner container 12 to the liquid helium tank inner container 1. The cryocooler 18 is arranged inside the liquid helium tank outer container 9 and inside the cooling medium inner container 12, wherein the lower part of the cryocooler 18 is connected with the cryocooler head 17; the cryocooling head 17 is inside the cooling medium inner container for cooling the cooling medium.
The upper part of the cooling medium inner container 12 comprises one end of a flash vapor transmission pipe 6, and the flash vapor transmission pipe 6 passes through the cooling medium inner container 12, the composite multilayer heat insulation material II14, the inner copper screen II15, the outer copper screen II16 and the heat insulation vacuum pipeline and is connected with the cold screen coil pipe 2 through the composite multilayer heat insulation material 4, the inner copper screen 5, the outer copper screen 8 and the cold screen coil pipe 2, so that the upper communication between the cooling medium inner container 12 and the upper communication between the liquid helium tank inner container 1 are realized.
In the working process, liquid helium flows into the liquid helium tank inner container 1 from the helium liquefier or the liquid helium storage device through the liquid helium liquid inlet and outlet pipe 3, helium generated after liquid helium is evaporated then passes through the liquid helium tank inner container cold screen coil pipe 2, heat absorption is realized, radiation heat leakage is reduced, and the heated helium enters the cooling medium inner container 12 through the flash evaporation gas transmission pipe 6 and is cooled and liquefied under the action of the low-temperature cold head 17. When the liquid level of the cooling medium inner container is higher than that of the liquid helium tank inner container, the one-way liquid adding control valve 19 can be opened, and part of low-temperature liquid flows back to the liquid helium tank inner container 1 through the liquid helium liquid inlet transmission pipeline 11, so that long-term zero-evaporation storage is realized.
The beneficial effects of the utility model are as follows:
compared with the prior art, the utility model has the advantages that the utility model can cope with the situation that the internal pressure of the liquid helium tank is rapidly increased in the process of storing liquid helium under pressure for a long time and transporting liquid helium for a long time and a long distance, and realizes long-term zero evaporation storage.
The key points/protection points of the utility model are:
1. the cooling medium inner container is connected with the refrigerator, and a low-temperature cold head is arranged above the inside of the cooling medium inner container. The upper part of the cooling medium inner container is connected with a cold screen coil pipe of the liquid helium tank inner container through a flash vapor transmission pipe. The lower part of the cooling medium inner container is connected with the liquid helium tank inner container through a liquid helium liquid inlet transmission pipeline.
2. The cold screen coil pipe of the inner container of the liquid helium tank is wound on the outer side of the inner container of the liquid helium tank. The cooling screen coil of the cooling medium inner container is wound on the outer side of the cooling medium inner container.
3. The outer side of the inner container of the liquid helium tank is provided with an inner copper screen, and the outer side of the inner copper screen is provided with an outer copper screen.
4. An outer copper screen II is arranged on the right side of the outer copper screen, the inner part of the outer copper screen II comprises an inner copper screen II, and the inner part of the inner copper screen II comprises a cooling medium inner container.
5. A composite multi-layer heat insulation material is wrapped between the inner container and the inner copper screen of the liquid helium tank.
6. And a composite multi-layer heat insulation material II is filled between the inner container of the cooling medium and the inner copper screen II.
7. One end of the liquid helium liquid inlet and outlet pipe is connected with the lower part of the inner container of the liquid helium tank, and the other end of the liquid helium liquid inlet and outlet pipe is connected with the helium liquefier or the liquid helium storage container by a heat insulation vacuum pipeline and penetrates through the composite multi-layer heat insulation material, the inner copper screen, the outer copper screen and the outer container of the liquid helium tank.
8. The liquid helium tank outer container is connected with the liquid helium tank inner container and the cooling medium inner container through a heat insulation support and a heat insulation support II respectively.
9. The outer side of the outer container of the liquid helium tank is provided with a liquid helium tank steel frame.
The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present utility model, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present utility model, it should be understood that the disclosed technology may be implemented in other manners. The system embodiments described above are merely exemplary, and for example, the division of units may be a logic function division, and there may be another division manner in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present utility model may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method of the various embodiments of the present utility model. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A high capacity zero evaporation storage helium tank comprising: the liquid helium tank inner container, the liquid helium tank inner container cold screen coil pipe, the liquid helium liquid inlet and outlet pipe, the composite multilayer heat insulation material, the inner copper screen, the flash gas transmission pipe, the heat insulation support, the outer copper screen, the liquid helium tank outer container, the liquid helium tank steel frame, the liquid helium liquid inlet and outlet transmission pipeline, the cooling medium inner container cold screen coil pipe, the composite multilayer heat insulation material II, the inner copper screen II, the heat insulation support II, the outer copper screen II, the cryogenic cold head, the cryogenic refrigerator and the unidirectional liquid adding control valve; wherein:
the liquid helium tank inner container is used for storing liquid helium, and the cold screen coil pipe, the composite multilayer heat insulation material, the inner copper screen and the outer copper screen of the liquid helium tank inner container are sequentially arranged on the outer side of the liquid helium tank inner container;
one end of the liquid helium inlet and outlet pipe penetrates through the inner container of the liquid helium tank, is arranged at the bottom of the inner container of the liquid helium tank and is used for liquid helium inlet or outlet of the inner container of the liquid helium tank, and the other end of the liquid helium inlet and outlet pipe sequentially penetrates through the composite multilayer heat insulation material, the inner copper screen, the outer copper screen and the outer container of the liquid helium tank and is connected with a helium liquefier or a liquid helium storage container; the inner container of the liquid helium tank is connected with the outer container of the liquid helium tank through a heat insulation support;
a cooling medium inner container is arranged at one side of the inner container of the liquid helium tank and is used for storing helium flash and liquefied liquid helium, and a cooling medium inner container cold screen coil pipe, a composite multilayer heat insulation material II, an inner copper screen II and an outer copper screen II are sequentially arranged at the outer side of the inner container of the liquid helium tank;
one end of a liquid helium liquid inlet transmission pipeline sequentially passes through the outer copper screen II, the inner copper screen II, a cooling medium inner container cold screen coil pipe, a composite multi-layer heat insulation material II and a cooling medium inner container, the lower part of the cooling medium inner container is arranged in the liquid helium liquid inlet transmission pipeline, the other end of the liquid helium liquid inlet transmission pipeline passes through the outer copper screen, the inner copper screen, the composite multi-layer heat insulation material and the lower part of the liquid helium tank inner container, the cooling medium inner container is communicated with the inside of the liquid helium tank inner container, and a one-way liquid adding control valve is arranged on the liquid helium liquid inlet transmission pipeline;
the low-temperature refrigerator is arranged inside the liquid helium tank outer container and inside the cooling medium inner container, wherein the upper part of the low-temperature refrigerator is positioned inside the liquid helium tank outer container and above the outer side of the cooling medium inner container, the middle part and the lower part of the low-temperature refrigerator are positioned inside the cooling medium inner container, and the lower part of the low-temperature refrigerator is connected with the low-temperature cold head; the low-temperature cold head is arranged inside the cooling medium inner container; one end of a flash gas transmission pipe is connected to the inner container of the cooling medium, and the flash gas transmission pipe passes through the inner container of the cooling medium, the composite multilayer heat insulation material II, the inner copper screen II and the outer copper screen II and passes through the composite multilayer heat insulation material, the inner copper screen, the outer copper screen and the cold screen coil; the cooling medium inner container is connected with the liquid helium tank outer container through an adiabatic support II.
2. The high capacity zero evaporation storage helium tank as claimed in claim 1, wherein one end of the liquid helium inlet and outlet pipe passes through the liquid helium tank inner container, is arranged at the bottom of the liquid helium tank inner container, and the other end of the liquid helium inlet and outlet pipe passes through the composite multi-layer heat insulation material, the inner copper screen, the outer copper screen and the liquid helium tank outer container to be connected with the helium liquefier or the liquid helium storage container through the heat insulation vacuum pipeline.
3. The high capacity zero evaporation storage helium tank according to claim 1, wherein a liquid inlet and outlet valve is arranged between the outer copper screen and the outer container of the helium tank to realize liquid inlet and outlet flow regulation.
4. The high capacity zero evaporation storage tank as defined in claim 1, wherein the cold shield coil is wound around the outside of the container inside the tank, and the cold shield cooling medium provides cooling to the container inside the tank via the cold shield coil.
5. The high capacity zero evaporation storage liquid helium tank according to claim 1, wherein an inner copper screen is arranged at the outer side of the inner container of the liquid helium tank, a composite multi-layer heat insulation material is wrapped between the inner container of the liquid helium tank and the inner copper screen, and an outer copper screen is arranged at the outer side of the inner copper screen, and is further used for reducing radiation heat leakage.
6. The high capacity zero evaporation storage helium tank according to claim 1, wherein the outer side of the outer copper screen is provided with an outer container of the helium tank for realizing a vacuum environment; the inner container of the liquid helium tank and the inner container of the cooling medium are respectively connected with the outer container of the liquid helium tank by adopting a heat insulation support and a heat insulation support II; the outer side of the outer container of the liquid helium tank is provided with a liquid helium tank steel frame.
7. The high-capacity zero-evaporation storage liquid helium tank according to claim 1, wherein an outer copper screen II is arranged on the right side of the outer copper screen, the inner part of the outer copper screen II comprises an inner copper screen II, and the inner part of the inner copper screen II comprises a cooling medium inner container for storing cooling medium of the liquid helium tank.
8. The high capacity zero evaporation storage helium tank according to claim 1, wherein the cooling medium inner container is wound with a cooling medium inner container cold screen coil outside, and a composite multi-layer heat insulation material II is filled between the cooling medium inner container and the inner copper screen II.
9. The high capacity zero evaporation storage helium tank according to claim 1, wherein a cryocooler is arranged above and inside the cooling medium inner container, wherein the lower part of the cryocooler is connected with a cryocooler; the low-temperature cold head is arranged in the cooling medium inner container and used for cooling the cooling medium; the low-temperature refrigerator adopts a pulse tube refrigerator, a G-M refrigerator, a thermoacoustic refrigerator or a reverse brayton refrigerator, and adopts a single stage or a double stage; the low-temperature cold head adopts a primary cold head and a secondary cold head.
10. The high capacity zero evaporation storage helium tank according to claim 1, wherein the cooling medium inner vessel comprises one end of a flash gas transfer tube above the cooling medium inner vessel, the flash gas transfer tube passing through the cooling medium inner vessel, the composite multi-layer insulation material II, the inner copper shield II, the outer copper shield II, the insulated vacuum line and through the composite multi-layer insulation material, the inner copper shield, the outer copper shield and the cold shield coil.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117662974A (en) * | 2023-12-01 | 2024-03-08 | 中国特种设备检测研究院 | Vapor cold screen system for large-scale ship-borne liquid hydrogen spherical tank and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117662974A (en) * | 2023-12-01 | 2024-03-08 | 中国特种设备检测研究院 | Vapor cold screen system for large-scale ship-borne liquid hydrogen spherical tank and working method thereof |
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