CN207529746U - One kind is for cryogenic system cooling plug-in woven hose - Google Patents
One kind is for cryogenic system cooling plug-in woven hose Download PDFInfo
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- CN207529746U CN207529746U CN201721723303.1U CN201721723303U CN207529746U CN 207529746 U CN207529746 U CN 207529746U CN 201721723303 U CN201721723303 U CN 201721723303U CN 207529746 U CN207529746 U CN 207529746U
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- woven hose
- seal nipple
- tube
- hole
- cryostat
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Abstract
The utility model discloses one kind for cryogenic system cooling plug-in woven hose, the plug-in woven hose includes woven hose, seal nipple, drainage tube and separating tube, seal nipple, drainage tube and the separating tube is arranged inside cryogenic magnet heat sink, through-hole is provided in seal nipple, woven hose is inserted into one end of seal nipple through-hole through entrance, the other end of seal nipple through-hole is matched with drainage tube, the drainage tube and separating tube welding, separating tube gos deep into cryostat bottom, hole being provided on separating tube.Solve the problems such as existing woven hose group is not easy to plug, poorly sealed, at the same also solve liquid-transport pipe-line inside cryostat it is long caused by thermal loss；In addition it can which the cryogenic media in cryostat is excluded completely.
Description
Technical field
The utility model belongs to cryogenic system cooling device field more particularly to one kind is used to insert for cryogenic system cooling
Pull out formula woven hose.
Background technology
Superconductor technology is as 21 century emerging technology, extensive utilization and national economy, scientific experiment, defence and military etc.
Various fields, industry size are also increasing.
Superconduction refers to the property of Cucumber resistance cooling zero under the conditions of certain temperature, therefore superconducting coil is operated in pole
At low temperature.Core component of the superconducting coil as superconducting magnet, has been a concern, and security and stability is also research
Emphasis.The low temperature environment needed for cryogenic magnet is mainly provided by liquid helium and refrigeration machine at present, and liquid helium is mounted in cryostat
In, coil is immersed in liquid helium.Superconducting magnet is dropped into liquid helium temperature from room temperature process, usually first uses liquid nitrogen by coil temperature
Degree drops to 77K temperature, and liquid nitrogen then is discharged cryostat again, liquid helium is injected into cryostat again later, will be permanent
The temperature of warm device and coil eventually drops to the running temperature of 4.2K, i.e. superconducting coil.
For woven hose currently used for from the input cryogenic media to Dewar usually by two sections of steel pipe layers, one section is fixed on Dewar
Inside, another section can freely plug, and two sections of woven hoses are connected by stainless steel cylindrical surface；But this connection mode is added
Work precision and the influence shunk at low ambient temperatures, it is not easy to plug, and difficult sealing, it can be in two pipe junctions during infusion
Leakage, cryogenic media gasifies at once drains, and cools down magnet poor effect.After the completion of precooling and when repairing, superconducting magnet is excluded
Cryogenic media in thermostat is often excluded using the method for heating and gasifying, and required time is grown, after the cryogenic media gasification of exclusion
It can not directly use again.
The utility model is realized cryogenic media and is smoothly entered by using polytetrafluoroethylene (PTFE) plinth and drainage tube structure
Superconducting magnet thermostat cooling superconducting magnets, while superconducting magnet cryostat inner cryogenic medium can also be realized with liquid
Form is returned to outside cryostat.
Utility model content
It is provided by the utility model a kind of for cryogenic system cooling plug-in woven hose, to solve existing woven hose group not
The problems such as easy to plug, poorly sealed, at the same also solve liquid-transport pipe-line inside cryostat it is long caused by thermal loss；Separately
The cryogenic media in cryostat can also be excluded completely outside.
The purpose of this utility model can be achieved through the following technical solutions：
One kind is used for cryogenic system cooling plug-in woven hose, and being equipped with cryogenic magnet in the cryogenic system cools down
Device, the cryogenic magnet heat sink include cryostat, superconducting coil and ice chest, and cryostat connects with ice chest
It connects, superconducting coil is arranged on inside cryostat, and the upper surface of ice chest is equipped with gas outlet and entrance；
The plug-in woven hose includes woven hose, seal nipple, drainage tube and separating tube, the seal nipple, drainage
Pipe and separating tube are arranged inside cryogenic magnet heat sink, through-hole are provided in seal nipple, woven hose is inserted through entrance
Enter to one end of seal nipple through-hole, the other end of seal nipple through-hole is matched with drainage tube, the drainage tube and liquid separation
Pipe welds, and separating tube gos deep into cryostat bottom, hole being provided on separating tube.
Further, the woven hose is matched with entrance.
Further, the seal nipple is arranged in ice chest.
Further, the upper surface of the seal nipple is provided with taper hole, and the other end of seal nipple is provided with flat hole.
Further, the drainage tube is double layer heat preservation pipe, and drainage tube runs through ice chest and cryostat.
Further, the through-hole internal diameter of the seal nipple is respectively equal to the outer tube diameter of woven hose and the outer tube of drainage tube
Diameter.
The beneficial effects of the utility model：
Provided by the utility model a kind of for cryogenic system cooling plug-in woven hose, which includes defeated
Liquid pipe, seal nipple, drainage tube and separating tube, the material of seal nipple are polytetrafluoroethylene (PTFE), the sealing of polytetrafluoroethylene (PTFE) material
Connector has the performance of lubrication, is conducive to woven hose from seal nipple into and out, the woven hose and drainage tube
Material is stainless steel, under the cryogenic conditions during infusion, due to the linear heat of the seal nipple of polytetrafluoroethylene (PTFE) material
Shrinking percentage is more than the woven hose of stainless steel and the linear percent thermal shrinkage of drainage tube, the two-port of seal nipple woven hose and
Drainage tube the more is embraced the more tight, forms effective sealing structure, effectively prevents cryogen from being leaked out from the interface；
Be double layer heat preservation pipe additionally, due to drainage tube, the high-temperature gas after gasifying in this way suitable cryostat and ice chest from
During discharging with flowing through the cryogenic media of drainage tube and woven hose heat exchange will not occur for gas outlet, reduce heat loss,
The dosage of cooling medium is reduced, the cooling-down effect of superconducting magnet is more obvious, and realizes inside superconducting magnet cryostat
Cryogenic media in liquid form back to outside cryostat so that the recyclable recycling of cryogenic media saves resource.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structure diagram of the utility model plug-in woven hose；
In attached drawing, parts list represented by the reference numerals are as follows：
1- woven hoses, 2- seal nipples, 3- drainage tubes, 4- separating tubes, 5- cryostats, 6- superconducting coils, 7- are cold
Case, 8- gas outlets, 9- entrances, 10- taper holes, 11- flat hole.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of be used for cryogenic system cooling plug-in woven hose, it is equipped in the cryogenic system low
Temperature superconductive magnet heat sink, which includes cryostat 5, superconducting coil 6 and ice chest 7, low
Warm thermostat 5 is connect with ice chest 7, and superconducting coil 6 is arranged on inside cryostat 5, and the upper surface of ice chest 7 is equipped with gas outlet 8
With entrance 9；
The plug-in woven hose includes woven hose 1, seal nipple 2, drainage tube 3 and separating tube 4, seal nipple 2, drainage
Pipe 3 and separating tube 4 are arranged inside cryogenic magnet heat sink, and seal nipple 2 is arranged in ice chest 7, seal nipple 2
In be provided with through-hole, the upper surface of seal nipple 2 is provided with taper hole 10, and taper hole 10 is for guiding woven hose 1 after entrance 9 convenient for inserting
Enter into seal nipple 2, the other end of seal nipple 2 is provided with flat hole 11, and drainage tube 3 is inserted into flat hole 11 and is connect with seal nipple 2；
The drainage tube 3 and separating tube 4 welds, and drainage tube 3 is double layer heat preservation pipe, and separating tube 4 gos deep into 5 bottom of cryostat, point
Hole is provided in liquid pipe 4；
The material of the seal nipple 2 is polytetrafluoroethylene (PTFE), and the seal nipple 2 of polytetrafluoroethylene (PTFE) material has lubrication
Performance is conducive to woven hose 1 from seal nipple 2 into and out the material of the woven hose 1, drainage tube 3 and separating tube 4
Matter is stainless steel, and under normal temperature condition, the through-hole internal diameter of seal nipple 2 is respectively equal to the outer tube diameter of woven hose 1 and drainage tube 3
Outer tube diameter, under the cryogenic conditions during infusion, due to the linear percent thermal shrinkage of the seal nipple 2 of polytetrafluoroethylene (PTFE) material
More than the woven hose 1 of stainless steel and the linear percent thermal shrinkage of drainage tube 3, the two-port of seal nipple 2 woven hose 1 and is drawn
Flow tube 3 the more is embraced the more tight, is formed sealing structure, is effectively prevented cryogen from being leaked out from the interface.
The working method of the utility model is：Woven hose 1 is facilitated insertion into after entrance 9 in seal nipple 2, is inputted
Cryogenic media, cryogenic media fluid is followed by woven hose 1, seal nipple 2, drainage tube 3 and separating tube 4, last cryogenic media
Fluid gasifies after being ejected on superconducting coil 6 by the hole on separating tube 4, is flowed after the high-temperature gas of gasification through cryostat 5
Into ice chest 7, the high-temperature gas of gasification sprays after slightly being cooled down in ice chest 7 from gas outlet 8, after 6 temperature of superconducting coil slightly drops,
Cryogenic media is just stored at liquid in cryostat 5 and ice chest 7, so as to achieve the purpose that superconducting coil 6 cools down, in addition
Since drainage tube 3 is double layer heat preservation pipe, the high-temperature gas after gasifying in this way is in suitable cryostat 5 and ice chest 7 from 8 row of gas outlet
Heat exchange will not occur with flowing through the cryogenic media of drainage tube 3 and woven hose 1 during going out, reduce heat loss, reduce
The dosage of medium is cooled down, after superconducting coil 6 cools down, from 8 gas injection of gas outlet, increases cryogenic magnet cooling dress
Internal pressure is put, makes cryogenic media liquid runs down plug-in woven hose recycling, after cryogenic media liquids recovery, is extracted defeated
Liquid pipe 1.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member does various modifications or additions to described specific embodiment or substitutes in a similar way, without departing from reality
With novel structure or surmount range defined in the claims, all should belong to the protection range of the utility model.
Claims (6)
1. one kind is for cryogenic system cooling plug-in woven hose, it is characterised in that：Surpass in the cryogenic system equipped with low temperature
Magnetizer heat sink, the cryogenic magnet heat sink include cryostat (5), superconducting coil (6) and ice chest (7),
Cryostat (5) is connect with ice chest (7), and superconducting coil (6) is arranged on cryostat (5) inside, the upper surface of ice chest (7)
Equipped with gas outlet (8) and entrance (9)；
The plug-in woven hose includes woven hose (1), seal nipple (2), drainage tube (3) and separating tube (4), the sealing and connects
Head (2), drainage tube (3) and separating tube (4) are arranged inside cryogenic magnet heat sink, and seal nipple is provided in (2)
Through-hole, woven hose (1) are inserted into one end of seal nipple (2) through-hole through entrance (9), the other end of seal nipple (2) through-hole with
Drainage tube (3) matches, and the drainage tube (3) and separating tube (4) welding, separating tube (4) go deep into cryostat (5) bottom
Portion, separating tube are provided with hole on (4).
It is 2. according to claim 1 a kind of for cryogenic system cooling plug-in woven hose, it is characterised in that：Described is defeated
Liquid pipe (1) is matched with entrance (9).
It is 3. according to claim 1 a kind of for cryogenic system cooling plug-in woven hose, it is characterised in that：Described is close
Sealing joint (2) is arranged in ice chest (7).
It is 4. according to claim 1 a kind of for cryogenic system cooling plug-in woven hose, it is characterised in that：Described is close
The upper surface of sealing joint (2) is provided with taper hole (10), and the other end of seal nipple (2) is provided with flat hole (11).
It is 5. according to claim 1 a kind of for cryogenic system cooling plug-in woven hose, it is characterised in that：Described draws
Flow tube (3) is double layer heat preservation pipe, and drainage tube (3) is through ice chest (7) and cryostat (5).
It is 6. according to claim 1 a kind of for cryogenic system cooling plug-in woven hose, it is characterised in that：Described is close
The through-hole internal diameter of sealing joint (2) is respectively equal to the outer tube diameter of woven hose (1) and the outer tube diameter of drainage tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723303.1U CN207529746U (en) | 2017-12-12 | 2017-12-12 | One kind is for cryogenic system cooling plug-in woven hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723303.1U CN207529746U (en) | 2017-12-12 | 2017-12-12 | One kind is for cryogenic system cooling plug-in woven hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529746U true CN207529746U (en) | 2018-06-22 |
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ID=62578611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721723303.1U Active CN207529746U (en) | 2017-12-12 | 2017-12-12 | One kind is for cryogenic system cooling plug-in woven hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808733A (en) * | 2017-12-12 | 2018-03-16 | 合肥中科离子医学技术装备有限公司 | One kind is used for cryogenic system cooling plug-in woven hose |
-
2017
- 2017-12-12 CN CN201721723303.1U patent/CN207529746U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808733A (en) * | 2017-12-12 | 2018-03-16 | 合肥中科离子医学技术装备有限公司 | One kind is used for cryogenic system cooling plug-in woven hose |
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