CN105416867B - Hold the container of superconductive device - Google Patents
Hold the container of superconductive device Download PDFInfo
- Publication number
- CN105416867B CN105416867B CN201510867453.9A CN201510867453A CN105416867B CN 105416867 B CN105416867 B CN 105416867B CN 201510867453 A CN201510867453 A CN 201510867453A CN 105416867 B CN105416867 B CN 105416867B
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- Prior art keywords
- annular
- inner cylinder
- container
- superconductive device
- passage
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3802—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a barrel or vat
- B65D81/3806—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a barrel or vat formed with double walls, i.e. hollow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The invention discloses a kind of container for holding superconductive device, it is vacuum chamber between annular outer barrel and inner cylinder, the cold screen of multilayer heat insulation that the grid-shaped metal plated film paillon foil of mutually insulated and the netted barrier layer of nonmetallic, low heat conduction alternately form sticks on annular outer surface and the bottom of annular inner cylinder.Capping includes annular plate-like lid body and the ring-shaped hollow groove being fixed under the annular plate-like lid body, and lidstock is covered in the upper end of the annular inner cylinder.If also including dry passage, passage upper end passes the first perforate on circular annular form lid, and lower end is engaged with the second perforate on annular chamber bottom surface.The container of said structure, for holding superconductive device, the low temperature thermic load of cooling medium in container can be reduced so that superconductive device steady operation.
Description
Technical field
The present invention relates to superconductor applications technical field, and in particular to a kind of container for holding superconductive device.
Background technology
Application potential of the superconductor technology in power domain and the communications field is huge, and the environment of superconductive device is very severe during application
Carve.Need superconductive device being contained in the sealing container for storing cooling medium, such as cooled down in 196 DEG C of ﹣ liquid nitrogen, then will
It is integrally placed in 50 DEG C of High-temperature cooling oil.When outside is unstable state magnetic field, if using canister, vortex is consumed
Amount of heat can be produced so that coolant temperature rises, that is to say, that inappropriate container, can cause larger cooling medium
Low temperature thermic load, cause superconductive device can not normal work.
And importantly, superconductive device in use, due to the huge temperature difference, the sealing requirements of the container held
Very high, otherwise the High-temperature cooling oil outside container enters in container, and necessarily resulting in superconductive device can not normal work.At present for compared with
Major diameter requirement, such as the excellent sealing of more than one meter of container have not been achievable.
Therefore the container for holding superconductive device that can be used in above-mentioned unstable state magnetic field is developed, superconduction can be greatly promoted
The application of technology.
The content of the invention
It is a kind of to allow cooling of the superconductive device in splendid attire the invention provides a kind of container for holding superconductive device
Excellent sealing in medium, the tun of normal work under unstable state magnetic field.
The invention discloses following technical scheme：
A kind of container for holding superconductive device, including vessel and capping, the vessel include what is be arranged successively
Annular outer barrel, cold screen and annular inner cylinder, the cold screen stick on annular outer surface and the bottom of the annular inner cylinder.Institute
It is vacuum chamber to state the sandwich chamber between annular outer barrel and annular inner cylinder.The capping includes annular plate-like lid body and fixation
Ring-shaped hollow groove under the annular plate-like lid body, the annular plate-like lid body and ring-shaped hollow groove form annulus
Shape chamber, the annular chamber are entrenched in the annular inner cylinder, and the lidstock is covered in the annular inner cylinder
Upper end.
If also including dry passage, the upper end of the passage passes the first perforate on the circular annular form lid, described logical
The lower end in road is engaged with the second perforate on the bottom surface of the annular chamber, and the depth of the passage and the annular
The bottom surface of groove is concordant.The cold screen is alternately made up of multiple layer metal plated film paillon foil and barrier layer, every layer of metal coating paillon foil
Formed by mutually insulated discontinuous network trellis metal coating paillon foil unit, the barrier layer is insulation, without magnetic and low heat conduction
Netted barrier layer.
Preferably, the container of superconductive device is held above-mentioned, the outboard sidewalls top of the annular inner cylinder, be respectively provided with
First circumferentially fixed flange, annular groove is provided with the first circumferentially fixed flange；The interior outside of the annulus groove
Wall top, the second circumferential mounting flange is provided with, the capping is circumferential solid by the described first circumferentially fixed flange and second
Determine flange seal to cover in the upper end of the annular inner cylinder.
Preferably, the container of superconductive device is held above-mentioned, is nested with annular seal ring, institute in the annular groove
It is rubber annular seal ring to state annular sealing ring.
Preferably, the container of superconductive device is held above-mentioned, in addition to the annular-heating that is attached on annular sealing ring
Device.
Preferably, the container of superconductive device is held above-mentioned, the annular chamber is vacuum chamber.
Preferably, the container of superconductive device is held above-mentioned, the passage is located at the part in the annular cavity type room
Passage is corrugated stainless steel tubing.
Preferably, it is big upper and lower small mouth in the above-mentioned inner cylinder of annular outer barrel described in the container of superconductive device that holds
Cirque structure.
From above technical scheme, the annular outer barrel and inner cylinder of the container provided by the invention for holding superconductive device it
Between be vacuum, greatly reduce the low temperature thermic load brought due to the gaseous exchange between inner cylinder and outer barrel to container.Inner cylinder
Latticed and mutual insulating metal coating paillon foil the adiabatic cold screen that outer surface sticks not only is greatly reduced from container outer barrel
Radiant heat load, and greatly reduce in cold screen metal coating paillon foil due to heat caused by vortex consume.In use, should
Cooling medium is held in container, superconductive device is positioned in the cooling medium, and the outside of container has unstable state magnetic field through cold
Screen, annular chamber are entrenched in inner cylinder downwards, and due to the depth of the chamber, the liquid level for limiting cooling medium in container is high
Degree so that a certain distance be present between the outer High-temperature cooling oil of the container of cooling medium and top of container closure cap, can so enter
One step reduces the low temperature thermic load of container, while holding sealing covers between lid and inner cylinder, is left on the lid for superconduction
The passage that the circuit of device communication with the outside world connection passes through, logical line of credit pierces into from passage upper end, from the bottom of annular chamber
Pass and be connected with superconductive device and sensor.In a word, the container of said structure, for holding superconductive device, superconduction can be reduced
The operating cost of device so that superconductive device steady operation.
In addition, for the material of the inner cylinder in said vesse, outer barrel, capping and passage, because of its use environment, it should have
Magnetic, low temperature resistant attribute are whether there is, existing glass fiber reinforced epoxy resin composite, resistance to extremely low temperature epoxy tree can be used
The composite of fat vacuum pressure impregnation glass fibre, the composite have relatively low porosity, to large-sized no magnetic,
Low temperature resistant composite material vessel can maintain the vacuum of vacuum chamber for a long time, that is, be more beneficial for keeping the low temperature of cooling medium
Thermic load.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be attached to what is used required for embodiment
Figure is briefly described, it should be apparent that, for those of ordinary skills, do not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the use state diagrammatic cross-section of the container provided in an embodiment of the present invention for holding superconductive device；
Fig. 2 is the assembling schematic diagram of the container provided in an embodiment of the present invention for holding superconductive device；
Fig. 3 is the partial structurtes upward view of capping provided in an embodiment of the present invention.
Wherein：
1- annular outer barrels, 2- annular inner cylinders, 201- annular grooves, the cold screens of 3-, 4- cappings, 401- annular plate-like covers
Body, 402- ring-shaped hollow grooves, 403- annular chambers, the perforates of 404- first, the perforates of 405- second, 5- inner annular sealing rings,
6- outer ring-like sealing rings, 7- passages, 8- corrugated stainless steel tubings, the sandwich chambers of 9-, 10- superconducting coils, 11- coil racks.
Embodiment
The embodiments of the invention provide a kind of container for holding superconductive device, is that one kind allows superconductive device containing
Cooling medium in excellent sealing, the tun of smooth working under unstable state magnetic field.
In order that those skilled in the art more fully understand the technical scheme in this explanation, it is real below in conjunction with this explanation
The accompanying drawing in example is applied, the technical scheme in this explanation embodiment is clearly and completely described, it is clear that described implementation
Example only this explanation part of the embodiment, rather than whole embodiments.It is common based on the embodiment in this explanation, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the protection of this explanation
Scope.
Incorporated by reference to reference to figure 1 and Fig. 2, Fig. 1 shape is used for the container provided in an embodiment of the present invention for holding superconductive device
State diagrammatic cross-section, Fig. 2 is the assembling schematic diagram of the container provided in an embodiment of the present invention for holding superconductive device, in order to clear
Illustrate the internal structure of the container, the container in either Fig. 1 or Fig. 2 be container provided in an embodiment of the present invention along its
The half of one container structural representation that longitudinal midline direction plane is opened.
Including vessel and capping 4, the vessel includes annular outer barrel 1, cold screen 3 and the annulus being arranged successively
Shape inner cylinder 2, the cold screen 3 stick the annular outer surface in annular inner cylinder 2 and bottom.The annular outer barrel 1 and circle
Sandwich chamber 9 between annular inner cylinder 2 is vacuum chamber, is greatly reduced because the gaseous exchange between inner cylinder and outer barrel gives container band
The low temperature thermic load come.Container generally hollow annular structure, for column structure, floor space is reduced, like this, interior
The external pressure that vacuum chamber between outer barrel is subject to is smaller, avoids after sandwich of layers vacuumizes, the bottom surface of outer barrel and inner cylinder should be compared with
High stress produces depression.The cold screen 3 is alternately made up of multiple layer metal plated film paillon foil and barrier layer, every layer of metal coating paillon foil
Formed by the discontinuous metal coating paillon foil unit of mutually insulated, the barrier layer is insulation, netted without magnetic and low heat conduction
Barrier layer.Formd between the adjacent metal plated film paillon foil unit of same layer in the cold screen that the outer surface of inner cylinder sticks it is horizontal to
Cutting and vertically to the latticed of cutting, insulate between adjacent unit.Barrier layer between the metal coating paillon foil of adjacent layer
Using insulation, the material without magnetic, lower thermal conductivity.In summary, latticed cold screen is not only greatly reduced from container outer barrel
Radiant heat load, and greatly reduce metal coating paillon foil heat caused by vortex is consumed in AC magnetic field in cold screen
Amount.
The capping 4 includes annular plate-like lid body 401 and the annular being fixed under the annular plate-like lid body 401
Groove 402, the annular plate-like lid body 401 and ring-shaped hollow groove 402 form annular chamber 403, the annular
Chamber 403 is entrenched in the annular inner cylinder 2, and the sealing of capping 4 is covered in the upper end of the annular inner cylinder 2.In order to
The low temperature thermic load of container is further reduced, the annular chamber 403 can be vacuum chamber.
In use, holding cooling medium in the container, superconductive device is positioned in the cooling medium, the outside of container or interior
There is unstable state magnetic field and pass through inner cylinder, cold screen 3 and outer barrel in portion, annular chamber is entrenched in inner cylinder downwards, due to the chamber
Depth, limit the liquid level of cooling medium in container so that the outer high temperature of the container of cooling medium and top of container closure cap is cold
But a certain distance be present between oil, so can further reduce the low temperature thermic load of container.
While holding sealing covers between lid and inner cylinder, leave on the lid and connected for superconductive device communication with the outside world
The passage 7 that passes through of circuit, logical line of credit pierces into from the upper end of passage 7, from the bottom of annular chamber pass with superconductive device and
Sensor connects.Specifically structure is：The upper end of the passage 7 passes the first perforate on the circular annular form lid 401
404, the upper end of passage 7 is passed outside container upwards, and is passed above High-temperature cooling fuel tank, and the height of passage 7 is higher than high temperature
The height of cooling oil, ensure that High-temperature cooling oil cannot be introduced into inside container.Incorporated by reference to Fig. 3, the figure is that the partial structurtes of capping are faced upward
View, as illustrated, visible when container is longitudinally splitted and looked up, the lower end of the passage 7 and the annular chamber 403
The second perforate 405 on bottom surface is engaged, with reference to Fig. 1 or Fig. 2, the depth of the passage 7 and the ring-shaped hollow groove 402
Bottom surface is concordant.It is tightly connected between first perforate 404 and the second perforate 405 and passage 7.
As shown in figure 1, superconductive device can be superconducting coil 10, superconducting coil 10 is under the support of coil rack 11, position
It is the hollow space come round up and down at the center of container, in this space in the cooling medium that the inside of annular inner cylinder 2 is held
Iron core is placed in centre, and when existing around the AC power actuating coil of outer barrel, the meeting of superconducting coil 10 in container inner cylinder exists
Induced potential under AC magnetic field caused by actuating coil, if the closure of superconducting coil 10 just produces induced current；Similarly, superconducting line is worked as
Enclose 10 indirect current sources, in the actuating coil of outer barrel also can induced voltage or electric current, i.e. the container of said structure can
Greatly promote application of the superconductive device in superconducting power and superconduction communication field.
In order to meet under external high temperature and the heat transfer of inner cryogenic, capping 4 and vessel in said structure
Excellent sealing, it can select to use flange to seal fixed structure.The outboard sidewalls top of annular inner cylinder 2, it is respectively provided with first
Circumferentially fixed flange, annular groove 201 is provided with the first circumferentially fixed flange.The annulus groove 402 it is inside and outside
Side wall top, the second circumferential mounting flange is provided with, the capping 4 is circumferential by the described first circumferentially fixed flange and second
Mounting flange sealing is covered in the upper end of the annular inner cylinder 2.
Likewise, in order to further strengthen the sealing effectiveness between capping and vessel, in the annular groove 201
Annular seal ring is nested with, as shown in Fig. 2 including inner annular sealing ring 5 and outer ring-like sealing ring 6.The annular sealing ring is equal
For rubber annular seal ring.And it is known that when deployed, close to the liquid level of cooling medium, elastomeric material holds annular seal ring
Tested by low temperature, influence sealing effectiveness to ensure rubber to be unlikely to ftracture at low temperature, the container can also be wrapped also
Include the ring heater being attached in O-ring seal so that the temperature of inner ring shape sealing ring is maintained close to room temperature all the time.
It is known that when covering 4 fitted seals after on vessel, temperature can be begun to decline, in cooling, annular plate
Shape lid 401 is different with the cooling rate of the bottom surface of annular cavity 403, may connect the passage upper and lower ends of both
Position produces stress concentration phenomenon, and the inside of this section of passage 7 is by two oppositions on its length direction, in order to prevent leading to
Cracking damage is produced between the perforate 404 of road 7 and first or the second perforate 405, corrugated stainless steel tubing 8 can be used to replace the passage
7 passage portion in the annular chamber 403, as shown in figure 1, the bellows plays bit shift compensation, ensure passage
Do not break, so as to protect the communication line in passage.
The container of above-mentioned various modified forms be for performance in terms of consideration, made in view of said vesse
To make, its inner cylinder, outer barrel, capping and passage can use existing glass-reinforced plastic material or fiber-resin composite,
It is stripped in view of container after resin solidification is convenient from mould, the annular outer barrel 1, inner cylinder 2 can be suitable for reading
Greatly, the small cirque structure of lower mouth, this has no effect on the use of container.
Described above is only the embodiment of the present invention, is made skilled artisans appreciate that or realizing this hair
It is bright.A variety of modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Described above is only the embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of container for holding superconductive device, it is characterised in that including vessel and capping (4), the vessel bag
The annular outer barrel (1) being arranged successively, cold screen (3) and annular inner cylinder (2) are included, the cold screen (3) sticks on the annular
The annular outer surface of inner cylinder (2) and bottom；Sandwich chamber (9) between the annular outer barrel (1) and annular inner cylinder (2) is true
Cavity；
The capping (4) includes annular plate-like lid body (401) and the annulus being fixed under the annular plate-like lid body (401)
Shape groove (402)；The annular plate-like lid body (401) and ring-shaped hollow groove (402) form annular chamber (403),
The annular chamber (403) is entrenched in the annular inner cylinder (2), and capping (4) sealing is covered in the annular
The upper end of inner cylinder (2)；
If the container also includes dry passage (7), the upper end of the passage (7) is passed on the circular annular form lid (401)
First perforate (404), the lower end of the passage (7) and the second perforate (405) phase on the bottom surface of the annular chamber (403)
Coordinate, and the depth of the passage (7) is concordant with the bottom surface of the ring-shaped hollow groove (402)；
The cold screen (3) is alternately made up of multiple layer metal plated film paillon foil and barrier layer, and every layer of metal coating paillon foil is by mutually absolutely
The discontinuous network trellis metal coating paillon foil unit composition of edge, the barrier layer are insulation, the netted barrier without magnetic and low heat conduction
Layer；
The inner cylinder (2), outer barrel (1), capping (4) and the material of passage (7) are that glass fiber reinforced epoxy resin is compound
Material.
2. the container according to claim 1 for holding superconductive device, it is characterised in that the annular inner cylinder (2) it is interior
Lateral wall top is respectively provided with the first circumferentially fixed flange, and annular groove (201) is provided with the first circumferentially fixed flange；Institute
The outboard sidewalls top for stating annulus groove (402) is provided with the second circumferential mounting flange, and the capping (4) passes through described the
One circumferentially fixed flange and the second circumferential mounting flange sealing are covered in the upper end of the annular inner cylinder (2).
3. the container according to claim 2 for holding superconductive device, it is characterised in that in the annular groove (201)
Annular seal ring is nested with, the annular sealing ring is rubber annular seal ring.
4. the container according to claim 3 for holding superconductive device, it is characterised in that also close including being attached to the annular
Ring heater in seal ring.
5. the container according to claim 1 for holding superconductive device, it is characterised in that the annular chamber (403) is
Vacuum chamber.
6. the container according to claim 1 for holding superconductive device, it is characterised in that the passage (7) is located at the circle
Passage portion in annular compartment (403) is corrugated stainless steel tubing (8).
7. the container according to claim 1 for holding superconductive device, it is characterised in that the annular outer barrel (1), inner cylinder
(2) be big upper and lower small mouth cirque structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867453.9A CN105416867B (en) | 2015-11-27 | 2015-11-27 | Hold the container of superconductive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867453.9A CN105416867B (en) | 2015-11-27 | 2015-11-27 | Hold the container of superconductive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105416867A CN105416867A (en) | 2016-03-23 |
| CN105416867B true CN105416867B (en) | 2018-03-27 |
Family
ID=55495502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867453.9A Active CN105416867B (en) | 2015-11-27 | 2015-11-27 | Hold the container of superconductive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105416867B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477352B (en) * | 2017-09-13 | 2023-05-23 | 云南电网有限责任公司电力科学研究院 | Low-leakage low-temperature container |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787131A (en) * | 2004-12-06 | 2006-06-14 | 特变电工股份有限公司 | Superconducting transformer |
| CN101307862A (en) * | 2008-05-12 | 2008-11-19 | 中国科学院等离子体物理研究所 | Conduction cooling superconducting magnet dewar convenient for loading and unloading |
| CN103177841A (en) * | 2013-03-08 | 2013-06-26 | 华中科技大学 | Low temperature duvel for superconducting magnet and design method of critical size parameter thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203118700U (en) * | 2013-03-16 | 2013-08-07 | 李玉花 | Superconducting magnet device and magnetic resonance imaging device |
| CN104779030A (en) * | 2015-05-07 | 2015-07-15 | 奥泰医疗系统有限责任公司 | Superconducting magnet suspension supporting structure |
| CN104900370B (en) * | 2015-06-30 | 2017-03-29 | 奥泰医疗系统有限责任公司 | A kind of superconducting magnet liquid helium container comprising vacuum chamber |
-
2015
- 2015-11-27 CN CN201510867453.9A patent/CN105416867B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1787131A (en) * | 2004-12-06 | 2006-06-14 | 特变电工股份有限公司 | Superconducting transformer |
| CN101307862A (en) * | 2008-05-12 | 2008-11-19 | 中国科学院等离子体物理研究所 | Conduction cooling superconducting magnet dewar convenient for loading and unloading |
| CN103177841A (en) * | 2013-03-08 | 2013-06-26 | 华中科技大学 | Low temperature duvel for superconducting magnet and design method of critical size parameter thereof |
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| Publication number | Publication date |
|---|---|
| CN105416867A (en) | 2016-03-23 |
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Effective date of registration: 20210303 Address after: No.105, Yunda West Road, Kunming Economic and Technological Development Zone, Yunnan 650000 Patentee after: YUNNAN POWER GRID CO., LTD. ELECTRIC POWER Research Institute Address before: 650217 No. 105 Yunda West Road, Kunming Economic and Technological Development Zone, Yunnan Province Patentee before: YUNNAN POWER GRID CO., LTD. ELECTRIC POWER Research Institute Patentee before: ANHUI YINSUDAN ELECTRIC Co.,Ltd. |