CN110504098A - One kind bowing out line root body insulating treatment process for superconducting magnet S - Google Patents
One kind bowing out line root body insulating treatment process for superconducting magnet S Download PDFInfo
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- CN110504098A CN110504098A CN201910776517.2A CN201910776517A CN110504098A CN 110504098 A CN110504098 A CN 110504098A CN 201910776517 A CN201910776517 A CN 201910776517A CN 110504098 A CN110504098 A CN 110504098A
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- superconducting magnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/048—Superconductive coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
Abstract
The invention discloses one kind to bow out line root body insulating treatment process for superconducting magnet S, and the insulation of line root is bowed out to magnet S, is filled up by G10 filling block, is lived according to GKG structure in its position tight, final curing is integral.Form closed insulation system.The wrapping being structurally characterized in that for privileged sites insulation processing of the invention, needs to meet the particular/special requirement of low temperature, vacuum proof voltage.
Description
Technical field
The present invention relates to the poloidal coil necks of the superconducting magnet of large-scale thermonuclear fusion device or other large-scale calutrons
Domain, it is specially a kind of to bow out line root body insulating treatment process for superconducting magnet S.
Background technique
Thermonuclear fusion will provide inexhaustible clean energy resource for the mankind, and International Thermonuclear test reactor (ITER) plan will
It will be built up within 10 years futures.Poloidal coil provides magnetic confinement for ITER device, and PF6 coil is the poloidal field superconduction of ITER device
Mostly important in magnet system is also the most heavy coil of weight.This is current maximum-norm superconducting magnet made in China, due to
It is run in the case where relatively more extreme, so the insulating requirements to coil are very high, for more needing than position difficult to deal with
Reasonable insulation processing.This is the guarantee for guaranteeing device operation.
Summary of the invention
The object of the present invention is to provide one kind to bow out line root body insulating treatment process for superconducting magnet S, realizes magnetic field
The insulation processing of the privileged sites of coil meets the proof voltage energy of privileged sites.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
One kind bowing out line root body insulating treatment process for superconducting magnet S, it is characterised in that: successively according to the following steps into
Row:
1) a strata imide membrane is pasted in the Kapton Tape half lap that superconducting magnet S bows out the end of a thread root 50mm wide, gathered
Imide membrane exceeds terminal root edges 100mm, then with the glass tape patch one of 125mm wide on Kapton
Layer glass tape film, and fixed with Kapton Tape, the pasted range of glass tape film exceeds glue Kapton institute
Paste range 3mm ~ 10mm；The half lap patch is poly- to bow out the position for needing to be bonded around the end of a thread root patch one in superconducting magnet S
Acid imide adhesive tape need to cover the area of a Kapton Tape half when pasting second Kapton Tape.
2) the end of a thread root is bowed out in superconducting magnet S according to above-mentioned steps paste 4 strata imide membranes and 4 layers of glass fiber in total
Band film.
3) outer surface portions corresponding with terminal root are respectively mounted filling block in superconducting magnet, the filling block and super
2 layers of 2mm heavy sheet glass silk felt of place mat between magnetic conduction body coil, wherein pasting 4 strata imide membranes and 4 layers of glass fiber are membrane
Position not place mat.
4) superconducting magnet is integrally carried out with the GKG composite band of 50mm wide body insulating bag around, wherein it is curved in superconducting magnet S
Terminal root carries out body insulating bag around body insulating bag corresponds to around in the process in GKG composite band with 125mm wide GKG composite band
The position that the end of a thread root is interfered with superconducting magnet is cut with scissors；The GKG composite band includes layer glass ribbon layer
With a strata imide membrane belt, GKG composite band is that polyimide film tape layer is clipped among layer glass ribbon layer
Sandwich style stepped construction band.
5) after to superconducting magnet integrally one layer of GKG composite band of every wrapping, the end of a thread root 125mm is bowed out in superconducting magnet S
Wide GKG composite band carries out the covering of patch installing formula to body insulating bag around the position cut off in the process with scissors, and the GKG of covering is compound
The belt edge distance place of cutting off is greater than 50mm, and is fixed with Kapton Tape, then with 50mm wide GKG composite band by outlet
Head root start to terminal carry out half lap insulating bag around.
6) repeat it is above-mentioned 4) to 5) the step of nine times, complete superconducting magnet S bow out line root body insulation processing.
Described one kind bows out line root body insulating treatment process for superconducting magnet S, it is characterised in that: polyimides is thin
Lower edges, the left and right edges of terminal root and the Edge Distance of terminal of the outer position of film apart from terminal root
It is 100mm.
Described one kind bows out line root body insulating treatment process for superconducting magnet S, it is characterised in that: the collets
For G10 collets.
Described one kind bows out line root body insulating treatment process for superconducting magnet S, it is characterised in that: 125mm wide GKG
Glass fiber belt in composite band having a size of: 125mm wide, 0.25mm are thick；The size of polyimide film tape layer are as follows: 115mm wide,
0.05mm is thick；The glass fiber belt of 50mm wide GKG composite band having a size of: for 50mm wide, 0.25mm is thick；Polyimide film tape layer
Its size are as follows: be 40mm wide, 0.025mm is thick.
G10 filling block is installed, 2 layers of 2mm heavy sheet glass silk felt are padded between G10 filling block and superconducting magnet coil, fill out G10
It fills seamless between block and superconducting magnet coil.
Alphabetical G in the GKG composite band refers to that glass tape, K refer to polyimide film tape, and compound GKG composite band is G
In upper and lower, sandwich style stepped construction band of the K in centre.
The present invention carries out gluing treatment in superconducting magnet outlet root Kapton adhesive tape and glass tape first,
Then shape is filled up with G10 filling block, has and filled at gap and out-of-flatness with glass fiber felt, finally with compound GKG composite band
Carry out body insulating bag around.
The insulating materials is combined by glass tape and polyamide tape, the dielectric strength of terminal root and is climbed
Electrical distance is superior to other positions, solidifies finally by technique of vacuum pressure for dipping electrical and is integrally formed.
The present invention passes through:
The present invention works under vacuum, low temperature, high-voltage isulation environment, is suitable for low-temperature superconducting system coil device, is superconducting magnetic
Body S bow out line root body insulation processing one kind is provided can operation scheme.The present invention has in fusion reactor field and superconductivity
Preferable application value.
As long as in fact, expectation superconducting magnet occasion under vacuum, low temperature, the superconducting magnetic with vacuum, Insulating A High-Voltage
Body S, which bows out line root body insulation processing position, can refer to technical solution of the present invention, but all without departing from skill of the invention
The content of art scheme, is only the simple modification carried out according to the technical essence of the invention to the structure, or same variation with
Modification, within the scope of should belong to technical solution of the present invention.
The invention has the advantages that
Structure of the invention is simple, while guaranteeing the requirement in dielectric strength and size, meets operational feasibility.
Application of the invention:
The present invention has been applied to ITER PF6 coil at present.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is pasted schematic diagram by terminal root Kapton in the present invention.
Fig. 3 is pasted schematic diagram by terminal root glass tape film in the present invention.
Fig. 4 is G10 filling block scheme of installation in the present invention.
Fig. 5 is body insulating bag in the present invention around schematic diagram.
Fig. 6 is insulation system figure in the present invention.
Specific embodiment
As shown in Fig. 6, one kind bowing out line root body insulating treatment process for superconducting magnet S, includes: superconducting magnet
1, insulate 2, G10 filling block for terminal root, and 3, body insulation 4.In accordance with the following steps:
One kind bowing out line root body insulating treatment process for superconducting magnet S, it is characterised in that: successively according to the following steps into
Row:
1) a strata imide membrane 5 is pasted in the Kapton Tape half lap that superconducting magnet 1S bows out the end of a thread root 50mm wide,
Kapton 5 exceeds terminal root edges 100mm, and the glass tape of 125mm wide is then used on Kapton
One layer of glass tape film 6 is pasted, and is fixed with Kapton Tape, the pasted range of glass tape film 6 exceeds glue polyimides
The pasted range 3mm ~ 10mm of film；The half lap patch is to bow out the position for needing to be bonded around the end of a thread root in superconducting magnet 1S
A Kapton Tape is pasted, the area of a Kapton Tape half need to be covered when pasting second Kapton Tape.
2) the end of a thread root is bowed out in superconducting magnet 1S according to above-mentioned steps paste 4 strata imide membrane 5 and 4 layer glass in total
Silk ribbon film 6, this 4 strata imide membrane 5 and 4 layers of glass tape film 6, which constitute, there is head root insulation 2.
3) outer surface portions corresponding with terminal root are respectively mounted G10 filling block 3, the filling in superconducting magnet 1
2 layers of 2mm heavy sheet glass silk felt 7 of place mat between block 3 and superconducting magnet coil 1, wherein pasting 4 strata imide membranes and 4 layers of glass
The membrane position of silk not place mat.
4) superconducting magnet is integrally carried out with the GKG composite band of 50mm wide body insulating bag around, wherein it is curved in superconducting magnet S
Terminal root carries out body insulating bag around body insulating bag corresponds in GKG composite band 8 around in the process with 125mm wide GKG composite band 8
The position that terminal root is interfered with superconducting magnet is cut with scissors；The GKG composite band 8 includes layer glass silk ribbon
Layer and a strata imide membrane belt, GKG composite band 8 are that polyimide film tape layer is clipped among layer glass ribbon layer
Sandwich style stepped construction band.
5) after to superconducting magnet integrally one layer of GKG composite band of every wrapping, the end of a thread root 125mm is bowed out in superconducting magnet S
Wide GKG composite band carries out the covering of patch installing formula to body insulating bag around the position cut off in the process with scissors, and the GKG of covering is compound
The belt edge distance place of cutting off is greater than 50mm, and is fixed with Kapton Tape, then with 50mm wide GKG composite band by outlet
Head root start to terminal carry out half lap insulating bag around.
6) repeat it is above-mentioned 4) to 5) the step of nine times, complete superconducting magnet S bow out line root body insulation 4 processing.
Claims (4)
1. one kind bows out line root body insulating treatment process for superconducting magnet S, it is characterised in that: successively according to the following steps into
Row:
(1) a strata imide membrane is pasted in the Kapton Tape half lap that superconducting magnet S bows out the end of a thread root 50mm wide, gathered
Imide membrane exceeds terminal root edges 100mm, then with the glass tape patch one of 125mm wide on Kapton
Layer glass tape film, and fixed with Kapton Tape, the pasted range of glass tape film exceeds glue Kapton institute
Paste range 3mm ~ 10mm；The half lap patch is poly- to bow out the position for needing to be bonded around the end of a thread root patch one in superconducting magnet S
Acid imide adhesive tape need to cover the area of a Kapton Tape half when pasting second Kapton Tape；
(2) the end of a thread root is bowed out in superconducting magnet S according to above-mentioned steps paste 4 strata imide membranes and 4 layers of glass tape in total
Film；
(3) outer surface portions corresponding with terminal root are respectively mounted filling block, the filling block and superconduction in superconducting magnet
2 layers of 2mm heavy sheet glass silk felt of place mat between magnet coil, wherein pasting 4 strata imide membranes and 4 layers of membrane portion of glass fiber
Position not place mat；
(4) superconducting magnet is integrally carried out with the GKG composite band of 50mm wide body insulating bag around, wherein bow out line in superconducting magnet S
Head root carries out body insulating bag around body insulating bag corresponds to terminal in GKG composite band around in the process with 125mm wide GKG composite band
The position that root is interfered with superconducting magnet is cut with scissors；The GKG composite band includes layer glass ribbon layer and one
Strata imide membrane belt, GKG composite band are the Sanming City being clipped in polyimide film tape layer among layer glass ribbon layer
Control formula stepped construction band；
(5) after to superconducting magnet integrally one layer of GKG composite band of every wrapping, the end of a thread root 125mm wide is bowed out in superconducting magnet S
GKG composite band carries out the covering of patch installing formula, the GKG composite band of covering to body insulating bag around the position cut off in the process with scissors
The Edge Distance place of cutting off is greater than 50mm, and is fixed with Kapton Tape, then with 50mm wide GKG composite band by terminal
Root start to terminal carry out half lap insulating bag around；
(6) above-mentioned 4) are repeated to 5) the step of nine times, complete superconducting magnet S and bow out line root body insulation processing.
2. a kind of superconducting magnet S that is used for according to claim 1 bows out line root body insulating treatment process, feature exists
In lower edges apart from terminal root of: the outer position of Kapton, terminal root left and right edges and go out
The Edge Distance of the end of a thread is 100mm.
3. a kind of superconducting magnet S that is used for according to claim 1 bows out line root body insulating treatment process, feature exists
In: the collets are G10 collets.
4. a kind of superconducting magnet S that is used for according to claim 1 bows out line root body insulating treatment process, feature exists
In: glass fiber belt in 125mm wide GKG composite band having a size of: 125mm wide, 0.25mm are thick；The ruler of polyimide film tape layer
It is very little are as follows: 115mm wide, 0.05mm are thick；The glass fiber belt of 50mm wide GKG composite band having a size of: for 50mm wide, 0.25mm is thick；It is poly-
Its size of imide membrane belt are as follows: be 40mm wide, 0.025mm is thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776517.2A CN110504098B (en) | 2019-08-22 | 2019-08-22 | Insulation treatment process for superconducting magnet S-bend line root body |
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|---|---|---|---|
| CN201910776517.2A CN110504098B (en) | 2019-08-22 | 2019-08-22 | Insulation treatment process for superconducting magnet S-bend line root body |
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| CN110504098A true CN110504098A (en) | 2019-11-26 |
| CN110504098B CN110504098B (en) | 2021-01-12 |
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Cited By (2)
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| CN115621040A (en) * | 2022-11-18 | 2023-01-17 | 中国科学院合肥物质科学研究院 | Insulation repair structure and repair method for helium inlet and outlet pipes of superconducting magnet coil |
| CN115966396A (en) * | 2023-03-17 | 2023-04-14 | 中国科学院合肥物质科学研究院 | Insulation processing method for superconducting magnet double joints |
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| CN115621040A (en) * | 2022-11-18 | 2023-01-17 | 中国科学院合肥物质科学研究院 | Insulation repair structure and repair method for helium inlet and outlet pipes of superconducting magnet coil |
| CN115966396A (en) * | 2023-03-17 | 2023-04-14 | 中国科学院合肥物质科学研究院 | Insulation processing method for superconducting magnet double joints |
| CN115966396B (en) * | 2023-03-17 | 2023-05-12 | 中国科学院合肥物质科学研究院 | Insulation treatment method for double joints of superconducting magnet |
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