CN202422902U - Connection structure for magnet Dewar of superconducting magnetic separator - Google Patents
Connection structure for magnet Dewar of superconducting magnetic separator Download PDFInfo
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- CN202422902U CN202422902U CN2012200438741U CN201220043874U CN202422902U CN 202422902 U CN202422902 U CN 202422902U CN 2012200438741 U CN2012200438741 U CN 2012200438741U CN 201220043874 U CN201220043874 U CN 201220043874U CN 202422902 U CN202422902 U CN 202422902U
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- Prior art keywords
- dewar
- carbon fiber
- draw
- syndeton
- connection structure
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- 239000006148 magnetic separator Substances 0.000 title abstract 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 25
- 239000004917 carbon fiber Substances 0.000 claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002887 superconductor Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The utility model relates to the field of superconducting technology, which provides a connection structure for a magnet Dewar of a superconducting magnetic separator. The connection structure adopts a carbon fiber draw rod main body as a major structure, and is connected and fixed through a first draw rod base and a second draw rod base. The carbon fiber draw rod main body has a small heat conductivity coefficient at a low temperature, so that the tensile strength doesn't change obviously, conduction-induced heat leakage of a low-temperature Dewar is greatly reduced, and safe operation of a superconducting magnet is ensured, while the connection structure fixes an inner-layer Dewar.
Description
Technical field
The utility model belongs to the superconductor technology field, relates in particular to a kind of syndeton that is used for superconduction tramp iron separator magnet Dewar.
Background technology
The low-temperature superconducting tramp iron separator utilizes superconducting magnet to produce the required strong magnetic field of deironing; Principle is under superconducting state (269 degree); The resistance that is used for the superconductor of coiling superconducting magnet coil is zero; In superconducting magnet coil, feed heavy current; Thereby obtain ultrastrong magnetic field (30000Gs), have that magnetic field intensity is big, iron-attracting performance is strong, in light weight, the incomparable advantages of common electromagnetism deironing such as energy consumption is low, operation environmental protection, it is mainly used in tiny iron foreign material such as removing detonator contained in the coal, big gun line.
The leakage heat of cooled cryostat mainly contains that conductive heat leakage, convection current are leaked heat, hot three major types is leaked in radiation.Current, what the connection between internal layer Dewar and outer Dewar was mainly adopted is the syndeton of stainless steel or glass fiber rod, and wherein, the stainless coefficient of heat conduction is higher, and leakage heat is relatively large, and the tensile strength of glass fiber rod does not reach the requirement of supporting big magnet.
The utility model content
The purpose of the utility model embodiment is to provide a kind of syndeton that is used for superconduction tramp iron separator magnet Dewar; What be intended to solve internal layer Dewar that prior art provides and the main employing between the outer Dewar is the syndeton of stainless steel or glass fiber rod; Wherein, The stainless coefficient of heat conduction is higher, and leakage heat is relatively large, and the tensile strength of glass fiber rod does not reach the problem of the requirement of supporting big magnet.
The utility model is achieved in that a kind of syndeton that is used for superconduction tramp iron separator magnet Dewar, and said syndeton specifically comprises:
Be fixed on first draw-bar seat on the internal layer Dewar and be fixed on second draw-bar seat on the outer Dewar; Be provided with pull rod device between said first draw-bar seat and second draw-bar seat; Said pull rod device comprises carbon fiber pull bar body; The two ends of said carbon fiber pull bar body are connected with a connecting screw rod respectively, and said two connecting screw rods are connected on said first draw-bar seat and second draw-bar seat through an attaching nut respectively.
Further, said carbon fiber pull bar body is provided with head construction, and said head construction is threaded with said connecting screw rod.
Further, the head construction of said carbon fiber pull bar body is an adapter sleeve, and said adapter sleeve and carbon fiber pull bar body are bonding.
The agent structure of the syndeton that is used for superconduction tramp iron separator magnet Dewar that the utility model provides adopts carbon fiber pull bar body, is connected fixing respectively with second draw-bar seat through first draw-bar seat.This syndeton that is used for superconduction tramp iron separator magnet Dewar is fixedly the internal layer Dewar time; Conductive coefficient is little at low temperatures for this carbon fiber pull bar body; Significant change does not take place in the anti-intensity of drawing, and has significantly reduced the conductive heat leakage of cooled cryostat, has guaranteed the safe operation of superconducting magnet simultaneously yet.
Description of drawings
Fig. 1 shows the sketch map of the syndeton that is used for superconduction tramp iron separator magnet Dewar that the utility model embodiment provides;
Wherein, 1-internal layer Dewar, 2-first draw-bar seat, the outer Dewar of 3-, 4-second draw-bar seat, 5-pull rod device, 51-carbon fiber pull bar body, 6-connecting screw rod.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the utility model.
See also Fig. 1; The syndeton that is used for superconduction tramp iron separator magnet Dewar that the utility model embodiment provides includes syndeton and several following syndetons on several, and wherein, the structure of last syndeton and following syndeton is all identical; Act on also identical; All be that the internal layer Dewar is fixedly connected on the outer Dewar, wherein, last syndeton specifically comprises with following syndeton:
Be fixed on first draw-bar seat 2 on the internal layer Dewar 1 and be fixed on second draw-bar seat 4 on the outer Dewar 3; Wherein, Be provided with pull rod device 5 between first draw-bar seat 2 and second draw-bar seat 4; This pull rod device 5 comprises carbon fiber pull bar body 51, and the two ends of this carbon fiber pull bar body 51 are connected with 6, two connecting screw rods 6 of a connecting screw rod respectively and are connected on first draw-bar seat 2 and second draw-bar seat 4 through an attaching nut (unmarked among the figure) respectively.
In this embodiment, outer Dewar 3 is a round barrel shape, and the syndeton that internal layer Dewar 1 provides through the utility model embodiment is unsettled to be arranged in the cavity of outer Dewar 3, and the part heat of internal layer Dewar 1 may have through syndeton and conducts, wherein:
Fig. 1 left part is represented through last syndeton, and internal layer Dewar 1 is fixed on the outer Dewar 3; Fig. 1 right portions is represented through following syndeton internal layer Dewar 1 to be fixed on the outer Dewar 3, and syndeton can be evenly distributed on the circumference of the internal layer Dewar 1 and the cavity of outer Dewar 3 formation with following syndeton on it.
An embodiment as the utility model; Above-mentioned carbon fiber pull bar body 51 is connected through the mode that is threaded with connecting screw rod 6, and wherein, carbon fiber pull bar body 51 is made through special technology for carbon fiber; Simultaneously; Be provided with head construction (unmarked among the figure) at the two ends of carbon fiber pull bar body 51, this head construction is threaded with connecting screw rod 6, and the part of promptly scheming the middle section and be the U type is the nut structure of connecting screw rod 6; This head construction is provided with screw, is connected with this connecting screw rod 6; Simultaneously, this head construction is an adapter sleeve, and this head construction and carbon fiber pull bar body 51 are bonding, is about to carbon fiber pull bar body 51 and puts in this head construction, through being adhesively fixed.
The agent structure of the syndeton that is used for superconduction tramp iron separator magnet Dewar that the utility model provides adopts carbon fiber pull bar body, is connected fixing respectively with the second draw-bar seat draw-bar seat through first draw-bar seat.This syndeton that is used for superconduction tramp iron separator magnet Dewar is fixedly the internal layer Dewar time; Conductive coefficient is little at low temperatures for this carbon fiber pull bar body; Significant change does not take place in the anti-intensity of drawing, and has significantly reduced the conductive heat leakage of cooled cryostat, has guaranteed the safe operation of superconducting magnet simultaneously yet.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (3)
1. syndeton that is used for superconduction tramp iron separator magnet Dewar is characterized in that said syndeton comprises:
Be fixed on first draw-bar seat on the internal layer Dewar and be fixed on second draw-bar seat on the outer Dewar; Be provided with pull rod device between said first draw-bar seat and second draw-bar seat; Said pull rod device comprises carbon fiber pull bar body; The two ends of said carbon fiber pull bar body are connected with a connecting screw rod respectively, and said two connecting screw rods are connected on said first draw-bar seat and second draw-bar seat through an attaching nut respectively.
2. the syndeton that is used for superconduction tramp iron separator magnet Dewar as claimed in claim 1 is characterized in that, said carbon fiber pull bar body is provided with head construction, and said head construction is threaded with said connecting screw rod.
3. the syndeton that is used for superconduction tramp iron separator magnet Dewar as claimed in claim 2 is characterized in that the head construction of said carbon fiber pull bar body is an adapter sleeve, and said adapter sleeve and carbon fiber pull bar body are bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200438741U CN202422902U (en) | 2012-02-10 | 2012-02-10 | Connection structure for magnet Dewar of superconducting magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200438741U CN202422902U (en) | 2012-02-10 | 2012-02-10 | Connection structure for magnet Dewar of superconducting magnetic separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202422902U true CN202422902U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200438741U Expired - Fee Related CN202422902U (en) | 2012-02-10 | 2012-02-10 | Connection structure for magnet Dewar of superconducting magnetic separator |
Country Status (1)
| Country | Link |
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| CN (1) | CN202422902U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337331A (en) * | 2013-06-04 | 2013-10-02 | 宁波健信机械有限公司 | Low-temperature vessel pull rod for superconducting magnet of nuclear magnetic resonance imaging system |
| CN104319057A (en) * | 2014-10-29 | 2015-01-28 | 西安聚能超导磁体科技有限公司 | Suspension device for low-temperature superconducting magnet helium tank |
| CN108861170A (en) * | 2017-05-16 | 2018-11-23 | 中国石化工程建设有限公司 | Bivalve cryogenic tank inner canister anti-seismic structure |
-
2012
- 2012-02-10 CN CN2012200438741U patent/CN202422902U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337331A (en) * | 2013-06-04 | 2013-10-02 | 宁波健信机械有限公司 | Low-temperature vessel pull rod for superconducting magnet of nuclear magnetic resonance imaging system |
| CN103337331B (en) * | 2013-06-04 | 2016-03-02 | 宁波健信机械有限公司 | Nuclear magnetic resonance imaging system superconducting magnet low-temperature (low temperature) vessel pull bar |
| CN104319057A (en) * | 2014-10-29 | 2015-01-28 | 西安聚能超导磁体科技有限公司 | Suspension device for low-temperature superconducting magnet helium tank |
| CN104319057B (en) * | 2014-10-29 | 2016-09-07 | 西安聚能超导磁体科技有限公司 | A kind of suspension arrangement for cryogenic magnet helium groove |
| CN108861170A (en) * | 2017-05-16 | 2018-11-23 | 中国石化工程建设有限公司 | Bivalve cryogenic tank inner canister anti-seismic structure |
| CN108861170B (en) * | 2017-05-16 | 2020-03-06 | 中国石化工程建设有限公司 | Anti-seismic structure for inner tank of double-shell low-temperature tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20160210 |