CN105261438B - A kind of compound Superconducting solenoid coil helium groove - Google Patents

A kind of compound Superconducting solenoid coil helium groove Download PDF

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Publication number
CN105261438B
CN105261438B CN201510680856.2A CN201510680856A CN105261438B CN 105261438 B CN105261438 B CN 105261438B CN 201510680856 A CN201510680856 A CN 201510680856A CN 105261438 B CN105261438 B CN 105261438B
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magnetic field
helium
coil rack
coil
helium groove
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CN105261438A (en
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吴北民
吴巍
杨通军
倪东升
陈玉泉
梅恩铭
马力祯
何源
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Institute of Modern Physics of CAS
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Abstract

The present invention relates to particle accelerator Superconducting solenoid technical field, more particularly, to a kind of compound Superconducting solenoid coil helium groove.It is characterized in including the Superconducting solenoid coil rack being encapsulated in described helium groove, described Superconducting solenoid coil rack includes a beam channel pipe as horizontally and vertically two pairs of racetrack coil racks, main magnetic field lines ring framework is arranged with described beam channel pipe, main magnetic field lines ring framework is provided at both ends with two armoured magnetic field coil racks, distance sink tube is correspondingly arranged between main magnetic field lines ring framework and armoured magnetic field coil rack, helium groove end plate is provided with the outside of armoured magnetic field coil rack, liquid helium outlet is additionally provided with described helium groove, liquid helium import and current feed interface.Its is compact-sized, and the characteristics of high-intensity magnetic field and low spurious field, positioning is simple, and easy to manufacture, welding job amount is small, and welding deformation is small, and machining accuracy easily ensures, easy to assembly, can effectively ensure that assembly precision reaches requirement.

Description

A kind of compound Superconducting solenoid coil helium groove
Technical field
The present invention relates to particle accelerator Superconducting solenoid technical field, more particularly, to a kind of compound superconduction spiral shell Spool magnet coil helium groove.
Background technology
Accelerator-driven sub-critical system (ADS), target nucleus (such as lead is bombarded with high energy high current proton beam caused by accelerator Deng) produce spallation neutron and as outer source neutron drive and maintain sub-critical reactor operation, there is inherent safety.The Chinese Academy of Sciences is in 2011 It is special year to start " following advanced nuclear fission energy " strategic guide's science and technology, wherein ADS transmutings system is as in its two big deployment One of hold.
The compound superconducting solenoids of ADS injectors II are one of most important parts of transmuting system, using compound superconduction Solenoid produces high-intensity magnetic field, instead supports coil and is used to reduce leakage field, the pole correcting coil of integrated bi-directional two produces horizontal and vertical two The magnetic field for correcting in direction.Need to realize the focusing to particle beam in small space, curve, and close the functions such as rail correction.Phase For quadrupole magnet, superconducting solenoid structure can provide higher focal gradient and take less space.For high current For accelerator, the most significant advantage of solenoid structure is higher to the tolerance of beam path mismatch degree.Superconducting magnet is transported Capable stability and security is most important to transmuting system.
Compound superconducting solenoid coil is made up of main coil, shielded coil, correcting coil.By calculating and comparing repeatedly Suitable line rail is selected, determines the relative position between coil, due to being limited by real work space, locus is more smart Really be less susceptible to cause it is unnecessary quench, and the uniformity of superconducting magnet is better.Because superconducting magnet has high evenness Magnetic field, so the relative space position of main coil and shielded coil must be very accurate.
Existing superconducting magnet coil is made up of main field coil, armoured magnetic field coil and correcting coil, and correcting coil is located at Outside main field coil, to reach identical magnetic field requirements, it is necessary to larger axial space.Meanwhile main magnetic field lines ring framework It is connected with armoured magnetic field coil rack using welding manner.Complicated, manufacture is difficult, precision it is difficult to ensure that.Assembling essence Spending can not meet to require, cause superconducting magnet magnetic field homogeneity poor, and internal structure stress is big, and required installing space is big, Deformation causes collimation difficulty big under low temperature, causes the movement or Low-temperature epoxy rupture of coil, while easily causes " quenching " existing As occurring.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art provide a kind of compound Superconducting solenoid coil helium Groove.So as to effectively solve the problems of the prior art.
To achieve the above object, the technical scheme taken of the present invention is:A kind of described compound Superconducting solenoid Coil helium groove, it is characterized in including the Superconducting solenoid coil rack being encapsulated in described helium groove, described superconduction spiral shell Spool magnet coil framework includes a beam channel pipe as horizontally and vertically two pairs of racetrack coil racks, described beam Main magnetic field lines ring framework is arranged with circulation deferent, main magnetic field lines ring framework is provided at both ends with two armoured magnetic field coil bones Frame, distance sink tube, armoured magnetic field coil rack outside are correspondingly arranged between main magnetic field lines ring framework and armoured magnetic field coil rack Helium groove end plate is provided with, liquid helium outlet, liquid helium import and current feed interface are additionally provided with described helium groove.
Described helium groove is used for completing compound superconducting magnet framework coiling to treat integrally curing post package, and helium groove bottom is set It is equipped with base.
Described helium groove and Superconducting solenoid coil rack use magnetism-free stainless steel, weld and are provided with helium groove end plate Hoisting bracket.For helium groove is fixed on working space position, avoid causing during processing, transport, assembling, lifting etc. Unnecessary deformation.
The runway type coil that solidify afterwards are completed in coiling, described shielding magnetic are provided with described beam channel tube outer surface Field wire ring framework is fixed on the both ends of beam channel pipe, described main magnetic by the shoulder positioning on beam channel pipe and by spot welding Field wire ring framework is bolted on the armoured magnetic field coil rack at both ends, and armoured magnetic field coil rack end set is useful Uniform liquid helium passage is cooled down in making correcting coil.
Described distance sink tube is arranged in the shielded coil between main magnetic field lines ring framework and armoured magnetic field coil rack, and Armoured magnetic field coil rack is fixed by bolt, for ensureing between main magnetic field lines ring framework and armoured magnetic field coil rack Relative position.
The beneficial effects of the invention are as follows:A kind of described compound Superconducting solenoid coil helium groove, it has structure It is compact, avoid the confined space can not normal welding, while can prevent welding from producing larger deformation, easily manufactured, machining accuracy Easily ensure, assembling is more convenient and assembly precision is easy, and small collimation is deformed under low temperature and is accessible to technical requirements.Its is compact-sized, The characteristics of high-intensity magnetic field and low spurious field, positioning is simple, and easy to manufacture, welding job amount is small, and welding deformation is small, and machining accuracy is easily protected Card, it is easy to assembly, it can effectively ensure that assembly precision reaches requirement.
Brief description of the drawings:
Fig. 1 is the principle schematic diagram of the present invention;
Fig. 2 is the sectional structure principle schematic of the present invention;
Fig. 3 is the beam channel tubular construction principle schematic in Fig. 2 of the present invention;
Fig. 4 is the cross section structure diagram of the Superconducting solenoid coil rack of the present invention.
Shown in figure:1. beam channel pipe;2. current feed interface;3. main magnetic field lines ring framework;4. armoured magnetic field coil Skeleton;5. distance sink tube;6. liquid helium exports;7. hoisting bracket;8. liquid helium import;9. helium groove end plate;10. base.
Embodiment
It is described in further detail below in conjunction with the preferred example shown in accompanying drawing:
As shown in Figures 1 to 4, described a kind of compound Superconducting solenoid coil helium groove, it is characterized in including encapsulation Superconducting solenoid coil rack in described helium groove, described Superconducting solenoid coil rack are simultaneous including one Make the beam channel pipe 1 of horizontally and vertically two pairs of racetrack coil racks, main magnetic field lines are arranged with described beam channel pipe 1 Ring framework 3, main magnetic field lines ring framework 3 are provided at both ends with two armoured magnetic field coil racks 4, main magnetic field lines ring framework 3 and screen Cover and distance sink tube 5 is correspondingly arranged between field coil skeleton 4, the outside of armoured magnetic field coil rack 4 is provided with helium groove end plate 9, institute Liquid helium outlet 6, liquid helium import 8 and current feed interface 2 are additionally provided with the helium groove stated.
Further, described helium groove is used for completing compound superconducting magnet framework coiling to treat integrally curing post package, helium Groove bottom is provided with base 10.
Further, described helium groove and Superconducting solenoid coil rack use magnetism-free stainless steel, are welded on helium groove end plate 9 Connect and be provided with hoisting bracket 7.For helium groove is fixed on working space position, avoid in processing, transport, assembling, lifting etc. During cause unnecessary deformation.
Further, the runway type coil that solidify afterwards are completed in coiling is provided with the described outer surface of beam channel pipe 1, it is described Armoured magnetic field coil rack 4 positioned by shoulder on beam channel pipe 1 and be fixed on the two of beam channel pipe 1 by spot welding End, described main magnetic field lines ring framework 3 are bolted on the armoured magnetic field coil rack 4 at both ends, armoured magnetic field coil The end set of skeleton 4 has for making correcting coil cool down uniform liquid helium passage.
Further, described distance sink tube 5 is arranged on the screen between main magnetic field lines ring framework 3 and armoured magnetic field coil rack 4 Cover in coil, and fixed armoured magnetic field coil rack 4 by bolt, for ensureing main magnetic field lines ring framework 3 and armoured magnetic field Relative position between coil rack 4.
A kind of described compound Superconducting solenoid coil helium groove, each coil of coiling and after completing solidification carry out helium The welding of groove, reasonable arrangement welding sequence and deformation is controlled using special frock during welding.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (2)

  1. A kind of 1. compound Superconducting solenoid coil helium groove, it is characterized in that including the superconduction spiral shell being encapsulated in described helium groove Spool magnet coil framework, described Superconducting solenoid coil rack include one as horizontally and vertically two pairs of racetracks The beam channel pipe of coil rack, main magnetic field lines ring framework is arranged with described beam channel pipe, main magnetic field lines ring framework Two armoured magnetic field coil racks are provided at both ends with, are correspondingly arranged between main magnetic field lines ring framework and armoured magnetic field coil rack There is distance sink tube, helium groove end plate is provided with the outside of armoured magnetic field coil rack, liquid helium outlet, liquid helium are additionally provided with described helium groove Import and current feed interface;Described helium groove is used for completing to seal after integrally curing by compound superconducting magnet framework coiling Dress, helium groove bottom is provided with base;Described helium groove and Superconducting solenoid coil rack use magnetism-free stainless steel, helium groove end Welding is provided with hoisting bracket on plate;The runway molded line that solidify afterwards are completed in coiling is provided with described beam channel tube outer surface Circle, described armoured magnetic field coil rack are positioned by the shoulder on beam channel pipe and are fixed on beam channel pipe by spot welding Both ends, described main magnetic field lines ring framework are bolted on the armoured magnetic field coil rack at both ends, armoured magnetic field coil Skeleton end set has for making correcting coil cool down uniform liquid helium passage.
  2. A kind of 2. compound Superconducting solenoid coil helium groove as claimed in claim 1, it is characterised in that:Described spacing Pipe is arranged in the shielded coil between main magnetic field lines ring framework and armoured magnetic field coil rack, and by bolt by armoured magnetic field Coil rack is fixed, for ensureing the relative position between main magnetic field lines ring framework and armoured magnetic field coil rack.
CN201510680856.2A 2015-10-19 2015-10-19 A kind of compound Superconducting solenoid coil helium groove Active CN105261438B (en)

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Publication number Priority date Publication date Assignee Title
CN110398621B (en) * 2019-07-31 2021-10-29 中国科学院新疆天文台 Lightning current monitoring centering mechanism module
CN111540601B (en) * 2020-05-18 2024-06-25 中国科学院近代物理研究所 Coil forming device
CN111651903A (en) * 2020-07-07 2020-09-11 中国科学院近代物理研究所 Particle accelerator engineering optimization method and system
CN112599334A (en) * 2020-12-05 2021-04-02 青岛鼎信通讯股份有限公司 Intermediate frequency transformer based on hoisting structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07142237A (en) * 1993-11-22 1995-06-02 Toshiba Corp Superconducting magnet device
CN101894652A (en) * 2009-05-20 2010-11-24 三菱电机株式会社 Superconductive magnet
CN203179644U (en) * 2013-01-17 2013-09-04 南京丰盛超导技术有限公司 Coil skeleton of superconducting magnet
CN103716978A (en) * 2014-01-14 2014-04-09 中国科学院近代物理研究所 Half-wavelength superconductive accelerating cavity
CN204130294U (en) * 2014-10-29 2015-01-28 西安聚能超导磁体科技有限公司 A kind of suspension arrangement for cryogenic magnet helium groove
CN104422218A (en) * 2013-08-19 2015-03-18 住友重机械工业株式会社 Monitoring method and cooling system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07142237A (en) * 1993-11-22 1995-06-02 Toshiba Corp Superconducting magnet device
CN101894652A (en) * 2009-05-20 2010-11-24 三菱电机株式会社 Superconductive magnet
CN203179644U (en) * 2013-01-17 2013-09-04 南京丰盛超导技术有限公司 Coil skeleton of superconducting magnet
CN104422218A (en) * 2013-08-19 2015-03-18 住友重机械工业株式会社 Monitoring method and cooling system
CN103716978A (en) * 2014-01-14 2014-04-09 中国科学院近代物理研究所 Half-wavelength superconductive accelerating cavity
CN204130294U (en) * 2014-10-29 2015-01-28 西安聚能超导磁体科技有限公司 A kind of suspension arrangement for cryogenic magnet helium groove

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