CN109036758B - Cold volume transmission structure of high temperature superconducting magnet is placed to level - Google Patents
Cold volume transmission structure of high temperature superconducting magnet is placed to level Download PDFInfo
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- CN109036758B CN109036758B CN201810777447.8A CN201810777447A CN109036758B CN 109036758 B CN109036758 B CN 109036758B CN 201810777447 A CN201810777447 A CN 201810777447A CN 109036758 B CN109036758 B CN 109036758B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/04—Cooling
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Abstract
The invention discloses a cold quantity transmission structure of a horizontally placed high-temperature superconducting magnet, which adopts a structure of a cold guide plate, a cold guide column and a cold guide rod to conduct cold, can ensure enough effective cold guide area, and ensures that the temperature difference between any two points on the high-temperature superconducting magnet is not more than 0.3K. The cold guide plate with the C-shaped structure is connected with the refrigerator and the magnet, so that the common method of flexible connection by copper braids is broken through greatly. The cold guide plate with the C-shaped structure is used, so that the cold transmission area is effectively increased, and the cold guide plate is convenient and simple to process and manufacture. Meanwhile, the flexible structure can absorb the relative displacement generated by the thermal contraction of the magnet and the cold guide plate. Because the refrigerator is horizontally placed, the refrigeration capacity loss can be caused, the connection problem of the vertical placement of the refrigerator and the horizontal placement of the high-temperature superconducting magnet is well solved, and the running temperature of the high-temperature superconducting magnet can be ensured to meet the use requirement.
Description
The technical field is as follows:
the invention relates to the technical field of high-temperature superconductivity, in particular to a cold quantity transmission structure of a horizontally placed high-temperature superconducting magnet, which is designed to meet the requirement of the integral cooling of the horizontally placed high-temperature superconducting magnet and ensure that the temperature of the high-temperature superconducting magnet is not more than 30K (in a steady state).
Background art:
with the development of the production process of the high-temperature superconducting tape, the superconducting magnet made of the high-temperature superconducting tape is widely applied to industries such as electric power transportation, magnetic separation and the like by virtue of the advantages of high magnetic field intensity, low operating cost, safety, reliability and the like.
The high-temperature superconducting magnet normally operates in a low-temperature environment, and a set of low-temperature system is needed to maintain the normal work of the magnet. At present, a refrigerator is mostly selected for conducting cooling for medium and small high-temperature superconducting magnets, because the refrigerating mode has the characteristics of high efficiency, compact structure, flexible installation position and the like.
However, in the prior art, the small and medium-sized high-temperature superconducting magnet and the refrigerator are flexibly connected by using copper braids, the refrigerator needs to be horizontally placed, and the refrigeration capacity loss can be caused by the horizontal placement of the refrigerator. Therefore, a connection problem that the refrigerator is vertically arranged and the high-temperature superconducting magnet is horizontally arranged needs to be well solved.
The invention content is as follows:
the invention provides a cold quantity transmission structure of a horizontally placed high-temperature superconducting magnet, which is suitable for the integral cooling of the horizontally placed high-temperature superconducting magnet and can ensure that the temperature of the high-temperature superconducting magnet is not more than 30K (in a steady state) at most.
The invention is realized by the following technical scheme:
the utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the superconducting coil comprises an upper stainless steel fixing flange and a lower stainless steel fixing flange, wherein the inner sides of the upper stainless steel fixing flange and the lower stainless steel fixing flange are respectively provided with an upper oxygen-free copper cold conduction end plate and a lower oxygen-free copper cold conduction end plate, a plurality of stacked cylindrical insulating and curing high-temperature superconducting magnet units are arranged between the upper oxygen-free copper cold conduction end plates and the lower oxygen-free copper cold conduction end plates, each high-temperature superconducting magnet unit comprises a positioning ring and a cold conduction plate, a superconducting tape is wound on the positioning ring to form a double-pancake coil, and the double-pancake coil is fixed on the cold; the annular edge parts of the upper stainless steel fixing flange and the lower stainless steel fixing flange, the annular edge parts of the upper oxygen-free copper cold-conducting end plate and the annular edge part of the cold-conducting plate are provided with positioning holes which are distributed annularly and correspond to each other; the cooling device comprises a plurality of hollow cold guide columns which are distributed annularly and are correspondingly connected in series in positioning holes on a cold guide plate, wherein a cold guide rod is sleeved in each cold guide column, two ends of each cold guide rod respectively penetrate through positioning holes on an upper oxygen-free copper cold guide end plate, a lower oxygen-free copper cold guide end plate, an upper stainless steel fixing flange and a lower stainless steel fixing flange in sequence and respectively extend out of the upper stainless steel fixing flange and the lower stainless steel fixing flange, and limiting nuts are screwed at the extending ends of two ends of each cold guide rod; a C-shaped cold guide plate is connected between the upper stainless steel fixing flange and the lower stainless steel fixing flange, and a transitional connection cold guide plate for installing a refrigerator is fixed on the outer surface of the C-shaped cold guide plate.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: and the outer end faces of the upper stainless steel fixing flange and the lower stainless steel fixing flange are respectively provided with a suspender connecting block.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the double-cake coil positioning ring is made of brass, an inner step and an outer step are respectively arranged at two ends of the double-cake coil positioning ring, and 1-2 layers of polyimide adhesive tapes are wound outside the double-cake coil positioning ring; and the double-cake coil positioning ring is provided with a radial slot, and the width of the slot is 1-2 mm.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the cold guide plate with the double-pancake coil after insulation and solidification is a cold guide plate made of oxygen-free copper TU1, the thickness of the cold guide plate is generally 1-5 mm, radial slots are formed in the cold guide plate, and the slot width of each slot is 1-2 mm; the cold guiding plate is provided with an opening, the arc length of the opening is not less than 140mm, and the opening is used for placing a copper block of the connector.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the annular inner wall of the oxygen-free copper cold-conducting end plate is provided with a radial slot, and the width of the slot is 1-2 mm.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the stainless steel fixed flange is cut with a gap, the width of the gap is not less than 150mm, and the depth of the gap is not less than 15 mm.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the angle of the suspender connecting block is 90 degrees.
The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the cold guide rods comprise 16 cold guide rods, wherein 12 cold guide rods are made of oxygen-free copper TU1, and 4 cold guide rods are made of stainless steel.
The double-pancake coil positioning ring is made of brass materials, and the brass materials have certain mechanical strength and good thermal conductivity. And 1-2 layers of polyimide adhesive tapes are wound outside the positioning ring so as to ensure the insulativity of the positioning ring. The inner diameter of the positioning ring is the required size of the coil, the thickness of the positioning ring is generally 5-8 mm (the thickness of the positioning ring can be adjusted according to the size of the coil), and the height of the positioning ring is the sum of the heights of the double coils of the coil and the cold guide plate of the coil. In order to prevent ohmic heat generated by eddy current caused by the changing magnetic field, the positioning ring is subjected to slotting treatment, and the width of a slot is 1-2 mm. In addition, in order to facilitate the serial assembly of the double-cake coils, the two ends of the positioning ring are provided with an inner step and an outer step.
The cold guide plate with the double-pancake coil after edge solidification is made of oxygen-free copper TU1, the inner/outer diameter of the cold guide plate is determined according to the size of a positioning ring and the requirement of the coil, the thickness of the cold guide plate is generally 1-5 mm (determined according to the situation), and the cold guide plate is subjected to slotting treatment in order to prevent ohmic heat generated by eddy current caused by a changing magnetic field, and the width of a slot is 1-2 mm. In addition, the cold conducting plate needs to cut a notch, the inner diameter of the notch is smaller than +4mm of the outer diameter of the coil, and the arc length of the notch is not smaller than 140mm, so that the joint can be placed at a sufficient space position.
The inner diameter and the outer diameter of the oxygen-free copper cold guide end plate are consistent with those of a cold guide plate with a double-pancake coil after the edge of the cold guide end plate is solidified, the thickness of the cold guide plate is generally 8-10 mm, in order to prevent ohmic heat generated by eddy current caused by a changing magnetic field, the end plate is subjected to slotting treatment, and the slot width is 1-2 mm.
The inner diameter and the outer diameter of the stainless steel fixing flange are consistent with those of the cold conducting plate with the double-cake coil after the edge is solidified, and the thickness is generally 15-20 mm. The suspender connecting blocks are welded on the flanges, and the angle of the two suspender connecting blocks is 90 degrees. In addition, a gap is cut on the flange, the width of the gap is not less than 150mm, and the depth of the gap is not less than 15mm, so that the C-shaped cold guide plate with the opening through hole is connected with the oxygen-free copper cold guide end plate.
The cold guide column is made of oxygen-free copper TU1, the inner diameter of the cold guide column is determined according to the outer diameter of the cold guide rod, and the thickness of the cold guide column is generally not less than 3mm, so that the cold transmission area is ensured to be sufficient and effective.
And determining the geometric dimension and the number of the cold guide rods according to the electromagnetic force of the magnet. According to the manufacturing experience of the high-temperature superconducting magnet, 16 cold guide rods with the diameter of 12mm are selected for the high-temperature superconducting magnet with the maximum outer diameter of 100-1000 mm, so that the use requirement can be met, and the two ends of each cold guide rod are provided with threads so as to add pretightening force. 16 cold guide rods, wherein 12 cold guide rods are made of oxygen-free copper TU1, and 4 cold guide rods are made of stainless steel. The oxygen-free copper rod is used for transmitting cold energy, and the stainless steel rod is used for ensuring the structural stability of the whole magnet.
The C-shaped cold guide plate with the opening through holes is made of oxygen-free copper TU1, the cold guide plate is C-shaped, thermal contraction can be generated mainly because the normal working temperature of the magnet and cold guide plate is less than 20K, and the relative displacement generated by the thermal contraction is absorbed through the C-shaped flexible structure, so that the stress of the whole structure is less than the allowable stress value of the material. The width of the C-shaped cold guide plate is not less than 150mm, the thickness of the C-shaped cold guide plate is 3-6 mm, and the length of the C-shaped cold guide plate is determined by the length of the magnet. Opening through holes are reserved at two ends of the C-shaped cold guide plate, so that the C-shaped cold guide plate and the cold guide end plate can be conveniently and fixedly connected.
The G-M refrigerator transition connecting plate is also made of oxygen-free copper TU1, is C-shaped and is used for connecting the refrigerator and the high-temperature superconducting magnet. The width of the G-M refrigerating machine transition connecting plate is not less than 70mm, the plate thickness is generally 2-5 mm, and the distance between the C-shaped flat plates is not less than 50mm, so that the requirement on cold quantity transmission can be met.
The invention is suitable for the integral cooling of the high-temperature superconducting magnet which is horizontally placed, and can ensure that the temperature of the high-temperature superconducting magnet is not more than 30K (in a steady state) at most.
The invention uses the double-cake coil positioning ring for positioning, and simultaneously ensures a channel for cold quantity transmission. In addition, the structure of the cold guide plate, the cold guide column and the cold guide rod is adopted for cold guide, so that the sufficient effective cold guide area can be ensured, and the temperature difference between any two points on the high-temperature superconducting magnet is not more than 0.3K. The cold guide plate with the C-shaped structure is connected with the refrigerator and the magnet, so that the common method of flexible connection by copper braids is broken through greatly. The cold guide plate with the C-shaped structure is used, so that the cold transmission area is effectively increased, and the cold guide plate is convenient and simple to process and manufacture. Meanwhile, the flexible structure can absorb the relative displacement generated by the thermal contraction of the magnet and the cold guide plate. Because the refrigerator is horizontally placed, the refrigeration capacity loss can be caused, the connection problem of the vertical placement of the refrigerator and the horizontal placement of the high-temperature superconducting magnet is well solved, and the running temperature of the high-temperature superconducting magnet can be ensured to meet the use requirement.
The invention has the advantages that:
the invention adopts the cold guide plate with the C-shaped structure to connect the refrigerator and the magnet, thereby greatly breaking through the common method of flexible connection by using copper braids. And cold energy is transmitted not only through the locating rack, but also by adopting the structure of the cold guide plate, the cold guide column and the cold guide compression bar to conduct cold, so that enough effective cold guide area can be ensured, and the requirement of the cold energy of the superconducting magnet can be met. In addition, the cold guide structural part has the advantages of simple design, easy processing, convenient installation and the like.
Description of the drawings:
fig. 1 is a front view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of a high-temperature superconducting magnet unit according to the present invention.
The specific implementation mode is as follows:
see the drawings.
A cold energy transfer structure for a horizontally placed high-temperature superconducting magnet comprises an upper stainless steel fixing flange 3 and a lower stainless steel fixing flange 3, wherein the inner sides of the upper stainless steel fixing flange 3 and the lower stainless steel fixing flange 3 are respectively provided with an upper oxygen-free copper cold conducting end plate 4 and a lower oxygen-free copper cold conducting end plate 4, a plurality of stacked cylindrical insulation-cured high-temperature superconducting magnet units are arranged between the upper oxygen-free copper cold conducting end plate 4 and the lower oxygen-free copper cold conducting end plate 4, each high-temperature superconducting magnet unit comprises a positioning ring 6 and a cold conducting plate 7, a double-cake coil is formed after a superconducting tape 11 is wound on the positioning ring, and the double-cake coil is integrally; the annular edge parts of the upper stainless steel fixing flange and the lower stainless steel fixing flange, the annular edge parts of the upper oxygen-free copper cold-conducting end plate and the annular edge part of the cold-conducting plate are provided with positioning holes which are distributed annularly and correspond to each other; the cooling device comprises a plurality of hollow cold guide columns 5 which are distributed annularly and are correspondingly connected in series in positioning holes on a cold guide plate, wherein a cold guide rod 2 is sleeved in each cold guide column 5, two ends of each cold guide rod 2 respectively penetrate through positioning holes on an upper oxygen-free copper cold guide end plate, a lower oxygen-free copper cold guide end plate, an upper stainless steel fixing flange and a lower stainless steel fixing flange in sequence and respectively extend out of the upper stainless steel fixing flange and the lower stainless steel fixing flange, and limiting nuts are screwed on the extending ends of two ends of each cold guide rod 2; a C-shaped cold guide plate 8 is connected between the upper stainless steel fixing flange and the lower stainless steel fixing flange, and a transitional connection cold guide plate 9 for installing a refrigerator is fixed on the outer surface of the C-shaped cold guide plate 8.
The stainless steel fixing flange 3 and the oxygen-free copper cold-conducting end plate 4 are sequentially placed through the plurality of cold-conducting rods 2 (nuts are arranged at the lower ends of the cold-conducting rods). And fixing the cold guide plate 7 with the double-pancake coil after insulation and solidification on the oxygen-free copper cold guide end plate 4 through the cold guide rod 2 and the double-pancake coil positioning ring 6. Selecting a cold guide column 5 with proper height to be stringed on a cold guide rod, then arranging a cold guide plate 7 with a double-pancake coil and the cold guide column 5 which are left after insulation curing according to layers, and arranging an epoxy plate (the shape and the size of which are the same as those of the coil) with the thickness of 0.1mm on the adjacent double-pancake coil to ensure the insulation between the coils. And finally, the oxygen-free copper cold-conducting end plate 4 and the stainless steel fixing flange 3 are sequentially installed through the cold-conducting rod 2, and finally the magnet is integrally fixed by utilizing the nut.
The transitional cold guide connection assembly of the refrigerating machine comprises the steps that firstly, the transitional cold guide plate 9 of the refrigerating machine is connected to a secondary cold head of the refrigerating machine through the G-M refrigerating machine fixing position 10 (the refrigerating machine is vertically suspended through an outer Dewar and a cold screen), and then the C-shaped cold guide plate 8 with an opening through hole is connected with the transitional cold guide plate 9 of the refrigerating machine through a bolt.
The magnet which is to be installed is horizontally pushed into the cold shield, and the cold guide rod 2 is connected with the C-shaped cold guide plate 8 with the through hole, so that the installation of the cold guide structural part for the cold transmission of the whole magnet is completed.
Claims (7)
1. The utility model provides a cold volume transmission structure of high temperature superconducting magnet is placed to level which characterized in that: the superconducting coil comprises an upper stainless steel fixing flange and a lower stainless steel fixing flange, wherein the inner sides of the upper stainless steel fixing flange and the lower stainless steel fixing flange are respectively provided with an upper oxygen-free copper cold conduction end plate and a lower oxygen-free copper cold conduction end plate, a plurality of stacked cylindrical insulating and curing high-temperature superconducting magnet units are arranged between the upper oxygen-free copper cold conduction end plates and the lower oxygen-free copper cold conduction end plates, each high-temperature superconducting magnet unit comprises a positioning ring and a cold conduction plate, a superconducting tape is wound on the positioning ring to form a double-pancake coil, and the double-pancake coil is fixed on the cold; the annular edge parts of the upper stainless steel fixing flange and the lower stainless steel fixing flange, the annular edge parts of the upper oxygen-free copper cold-conducting end plate and the annular edge part of the cold-conducting plate are provided with positioning holes which are distributed annularly and correspond to each other; the cooling device comprises a plurality of hollow cold guide columns which are distributed annularly and are correspondingly connected in series in positioning holes on a cold guide plate, wherein a cold guide rod is sleeved in each cold guide column, two ends of each cold guide rod respectively penetrate through positioning holes on an upper oxygen-free copper cold guide end plate, a lower oxygen-free copper cold guide end plate, an upper stainless steel fixing flange and a lower stainless steel fixing flange in sequence and respectively extend out of the upper stainless steel fixing flange and the lower stainless steel fixing flange, and limiting nuts are screwed at the extending ends of two ends of each cold guide rod; a C-shaped cold guide plate is connected between the upper stainless steel fixing flange and the lower stainless steel fixing flange, and a transitional connection cold guide plate for installing a refrigerator is fixed on the outer surface of the C-shaped cold guide plate;
the double-cake coil positioning ring is made of brass, an inner step and an outer step are respectively arranged at two ends of the double-cake coil positioning ring, and 1-2 layers of polyimide adhesive tapes are wound outside the double-cake coil positioning ring; and the double-cake coil positioning ring is provided with a radial slot, and the width of the slot is 1-2 mm.
2. The horizontally-placed high-temperature superconducting magnet cold energy transmission structure according to claim 1, wherein: and the outer end faces of the upper stainless steel fixing flange and the lower stainless steel fixing flange are respectively provided with a suspender connecting block.
3. The horizontally-placed high-temperature superconducting magnet cold energy transmission structure according to claim 1, wherein: the cold guide plate with the double-pancake coil after edge solidification is a cold guide plate made of oxygen-free copper TU1, the thickness of the cold guide plate is generally 1-5 mm, radial slots are formed in the cold guide plate, and the slot width of each slot is 1-2 mm; the cold guiding plate is provided with an opening, and the arc length of the opening is not less than 140 mm.
4. The horizontally-placed high-temperature superconducting magnet cold energy transmission structure according to claim 1, wherein: the annular inner wall of the oxygen-free copper cold-conducting end plate is provided with a radial slot, and the width of the slot is 1-2 mm.
5. The horizontally-placed high-temperature superconducting magnet cold energy transmission structure according to claim 1, wherein: the stainless steel fixed flange is cut with a gap, the width of the gap is not less than 150mm, and the depth of the gap is not less than 15 mm.
6. The horizontally-placed high-temperature superconducting magnet cold energy transmission structure according to claim 1, wherein: the angle of the suspender connecting block is 90 degrees.
7. The horizontally-placed high-temperature superconducting magnet cold energy transmission structure according to claim 1, wherein: the cold guide rods comprise 16 cold guide rods, wherein 12 cold guide rods are made of oxygen-free copper TU1, and 4 cold guide rods are made of stainless steel.
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| CN201810777447.8A CN109036758B (en) | 2018-07-16 | 2018-07-16 | Cold volume transmission structure of high temperature superconducting magnet is placed to level |
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| CN201810777447.8A CN109036758B (en) | 2018-07-16 | 2018-07-16 | Cold volume transmission structure of high temperature superconducting magnet is placed to level |
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| CN109036758B true CN109036758B (en) | 2020-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111472344B (en) * | 2020-04-28 | 2021-04-20 | 中国矿业大学 | Method for extracting cold energy at inner side of upper freezing wall to strengthen lower freezing |
| CN112837883B (en) * | 2020-12-31 | 2022-10-18 | 江西联创光电超导应用有限公司 | Superconducting magnet system |
| CN117690689B (en) * | 2024-02-02 | 2024-05-03 | 山东奥新医疗科技有限公司 | Cold guide assembly for superconducting magnet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737806A (en) * | 2012-06-11 | 2012-10-17 | 华中科技大学 | Structure for conducting and cooling high-temperature superconducting magnet |
| CN102930946A (en) * | 2012-09-27 | 2013-02-13 | 湖北省电力公司电力科学研究院 | Conduction cooling device for high-temperature superconducting magnet |
| CN103366917A (en) * | 2013-06-28 | 2013-10-23 | 清华大学 | Refrigerating device and high-temperature superconducting magnet refrigerating device |
| CN106449004A (en) * | 2016-08-05 | 2017-02-22 | 华北电力大学 | Conduction cooling superconducting magnet based on ReBCo coating superconducting sheet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100219833A1 (en) * | 2007-07-26 | 2010-09-02 | Emscan Limited | Magnet assembly |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737806A (en) * | 2012-06-11 | 2012-10-17 | 华中科技大学 | Structure for conducting and cooling high-temperature superconducting magnet |
| CN102930946A (en) * | 2012-09-27 | 2013-02-13 | 湖北省电力公司电力科学研究院 | Conduction cooling device for high-temperature superconducting magnet |
| CN103366917A (en) * | 2013-06-28 | 2013-10-23 | 清华大学 | Refrigerating device and high-temperature superconducting magnet refrigerating device |
| CN106449004A (en) * | 2016-08-05 | 2017-02-22 | 华北电力大学 | Conduction cooling superconducting magnet based on ReBCo coating superconducting sheet |
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