JPH0298107A - Superconducting magnet device - Google Patents
Superconducting magnet deviceInfo
- Publication number
- JPH0298107A JPH0298107A JP63249827A JP24982788A JPH0298107A JP H0298107 A JPH0298107 A JP H0298107A JP 63249827 A JP63249827 A JP 63249827A JP 24982788 A JP24982788 A JP 24982788A JP H0298107 A JPH0298107 A JP H0298107A
- Authority
- JP
- Japan
- Prior art keywords
- liquid nitrogen
- container
- nitrogen
- liquid
- pressurizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000007791 liquid phase Substances 0.000 claims abstract 2
- 239000003507 refrigerant Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 80
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 36
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 abstract 4
- 239000007792 gaseous phase Substances 0.000 abstract 2
- 230000008016 vaporization Effects 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- -1 is used Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
Description
【発明の詳細な説明】 〔発明の目的〕 （産業上の利用分野） 本発明は超電導マグネット装置に関する。[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a superconducting magnet device.
（従来の技術）
酸化物超電導材料より成る超電導マグネツ１〜は液体窒
素温度で超電導状態となるため各種機器に広く利用され
る。第２図に従来の技術による超電導マグネット装置の
一例を示しその構造について説明する。図において２は
酸化物超電導材料より成る液体窒素温度で超電導状態を
示す超電導４体を巻回して構成された超電導コイルであ
る。３はこの超電導コイル２とこれを冷却する液体窒素
４を収納する液体窒素容器である。５はステンレス鋼等
より成る真空容器で真空バルブ６を介し図示しない真空
排気装置により真空排気し対流による熱侵入を抑える。(Prior Art) Superconducting magnets 1 to 1 made of oxide superconducting materials become superconducting at liquid nitrogen temperature and are therefore widely used in various devices. FIG. 2 shows an example of a conventional superconducting magnet device, and its structure will be explained. In the figure, reference numeral 2 denotes a superconducting coil constructed by winding four superconducting bodies made of an oxide superconducting material and exhibiting a superconducting state at liquid nitrogen temperature. 3 is a liquid nitrogen container that stores this superconducting coil 2 and liquid nitrogen 4 for cooling it. Reference numeral 5 denotes a vacuum container made of stainless steel or the like, which is evacuated via a vacuum valve 6 by a vacuum evacuation device (not shown) to suppress heat intrusion due to convection.
７は超電導コイル２を支持する支持材、８は超電導コイ
ル２に電流を供給する電流リードである。９はステンレ
ス鋼等より成るトップフランジで図示しないＯリングを
介し図示しないボルトにより真空容器に取付けられる。7 is a support material that supports the superconducting coil 2, and 8 is a current lead that supplies current to the superconducting coil 2. Reference numeral 9 denotes a top flange made of stainless steel or the like, which is attached to the vacuum vessel via an O-ring (not shown) and bolts (not shown).
トップフランジ９にはボールバルブ付の液体窒素注入ポ
ート９ａと、蒸発したガスを回収するボールバルブ付の
窒素ガス回収ボー１〜９ｂを設けている。The top flange 9 is provided with a liquid nitrogen injection port 9a with a ball valve and nitrogen gas recovery ports 1 to 9b with ball valves for recovering evaporated gas.
（９！明が解決しようとする課題）
超電導コイル２の運転終了後は、液体窒素４を排出し、
コイルを加温する。この排出方法を第３図をもとに説明
する。ボールバルブ付の液体窒素注入ボー１−９ａに窒
素ガスボンベ１０を図示しない減圧弁を介し接続する。(9! The problem that Akira is trying to solve) After the operation of the superconducting coil 2 is finished, the liquid nitrogen 4 is discharged,
Warm up the coil. This ejection method will be explained based on FIG. A nitrogen gas cylinder 10 is connected to a liquid nitrogen injection port 1-9a equipped with a ball valve via a pressure reducing valve (not shown).
次にボールバルブ付の窒素ガス回収ボート９ｂよりステ
ンレス鋼等より成る液排出管１１を容器底まで挿入する
。この作業後、窒素ガスボンベ１０から窒素ガスを液体
窒素容器３に送り、圧力を上げることにより液体窒素４
を液排出’！？１１からＪ１″出する。このように液体
室メ・３の排出には窒素ボンベの配管接続、液排出管の
挿入などの準備作業を要し、また窒素ガスボンベを使用
しなければならないといった問題があった。Next, a liquid discharge pipe 11 made of stainless steel or the like is inserted to the bottom of the container from the nitrogen gas recovery boat 9b equipped with a ball valve. After this work, nitrogen gas is sent from the nitrogen gas cylinder 10 to the liquid nitrogen container 3, and by increasing the pressure, the liquid nitrogen 4
'Drain the liquid'! ? 11 to J1". In this way, discharging the liquid chamber Me.3 requires preparation work such as connecting the nitrogen cylinder piping and inserting the liquid discharge pipe, and there are also problems such as having to use a nitrogen gas cylinder. there were.
以」二の事情は、超電導材として酸化物以外のもの、例
えば有機系のものを用い、冷媒も液体窒素以外の超電導
材を超電導にしつるものを用いた場合にもあてはまる。The following two circumstances apply even when a superconducting material other than oxides, such as an organic material, is used, and a refrigerant that makes a superconducting material other than liquid nitrogen superconducting is used.
本発明の目的は、冷媒の排出に準備作業を要せず、しか
もガスボンベを使用することのない超電導マグネット装
置を提供することである。An object of the present invention is to provide a superconducting magnet device that does not require preparatory work for discharging a refrigerant and does not use a gas cylinder.
（課題を解決するための手段）
上記目的を達成するために本発明においては、冷媒容器
の上部と下部のあいだに加圧器を配管接続し、また液排
出管を設ける。(Means for Solving the Problems) In order to achieve the above object, in the present invention, a pressurizer is connected by piping between the upper and lower parts of the refrigerant container, and a liquid discharge pipe is also provided.
（作用）
このような超電導マグネット装置では、加圧器内に流入
した冷媒をガス化することにより冷媒容器内の圧力を」
−げることができ、液排出管より冷媒を排出できる。(Function) In such a superconducting magnet device, the pressure inside the refrigerant container is reduced by gasifying the refrigerant that has flowed into the pressurizer.
The refrigerant can be discharged from the liquid discharge pipe.
（実施例）
以下本発明の一実施例を第１図をもとに説明する。第１
図において１２はアルミニラ１１等より成るパイプ外周
にフィン等を取付けた加圧器で、入口側は加圧バルブ１
３を介し配管により液体窒素容器底に接続し、出口側は
配管により液体窒素容器３の気相部に接続する。１４は
ステンレス鋼等より成り液体窒素容器底まで挿入された
液体排出管で端部に排出バルブ１５を設ける。また、加
圧器１２には加熱器Ｉ６をとりつける。(Example) An example of the present invention will be described below with reference to FIG. 1st
In the figure, 12 is a pressurizer made of aluminum 11 etc. with fins attached to the outer circumference of the pipe, and the inlet side is the pressurizing valve 1.
It is connected to the bottom of the liquid nitrogen container via piping 3, and the outlet side is connected to the gas phase part of the liquid nitrogen container 3 through piping. Reference numeral 14 is a liquid discharge pipe made of stainless steel or the like and inserted to the bottom of the liquid nitrogen container, and a discharge valve 15 is provided at the end thereof. Further, a heater I6 is attached to the pressurizer 12.
液体窒素４を排出する手順は、液体窒素注入ボー１−９
ａ、蒸発ガス回収ボート９ｂに取付けられたそれぞれの
ボールバルブを閉、排出バルブ１５を開とする。次に加
圧バルブを開とすることにより液体窒素４を加圧器に導
入する。加圧器内の液体窒素は加熱器１６による加熱ま
たは大気との熱交換により蒸発気化し体積膨張して液体
窒素容器３の気相部に送られる。液体窒素容器３内の圧
力は上がり液体窒素４は液体窒素排出管１４を通り容器
外へ押し出され排出される。The procedure for discharging liquid nitrogen 4 is to
a. Close each ball valve attached to the evaporative gas recovery boat 9b and open the discharge valve 15. Next, liquid nitrogen 4 is introduced into the pressurizer by opening the pressurization valve. The liquid nitrogen in the pressurizer is evaporated and vaporized by heating by the heater 16 or by heat exchange with the atmosphere, expands in volume, and is sent to the gas phase portion of the liquid nitrogen container 3. The pressure inside the liquid nitrogen container 3 increases, and the liquid nitrogen 4 is pushed out of the container through the liquid nitrogen discharge pipe 14 and discharged.
従、って、液体窒素の排出はバルブの開閉のみで可能と
なり、準備作業を要せず、しかも窒素ガスボンベを使用
しなくてよい。Therefore, liquid nitrogen can be discharged by simply opening and closing the valve, and no preparation work is required and there is no need to use a nitrogen gas cylinder.
以上説明したように本発明によれば、冷媒容器に加圧器
とこれに通じる加圧バルブおよび液排出管を設けたこと
により、冷媒の排出はバルブ操作のみで可能となり、準
備作業を要せず、しかもガスボンベも必要としない。As explained above, according to the present invention, by providing the refrigerant container with a pressurizer, a pressurizing valve connected to the pressurizing valve, and a liquid discharge pipe, refrigerant can be discharged only by operating the valve, and no preparatory work is required. , and does not require a gas cylinder.
第１図は本発明の一実施例の超電導マグネット装置の縦
断面図、第２図は従来の超電導マグネット装置の縦断面
図、第３図は従来の超電導マグネット装置の液体窒素排
出方法を示す縦断面図である。
２・・超電導コイル ３・・・液体窒素容器４・・・
液体窒素 ５・・・真空容器９・・トップフラン
ジ
９ａ・・・液体窒素注入ボート
９ｂ・・・蒸発ガス回収ボート１２・・・加圧器１３・
・・加圧バルブ １４・・・液体窒素排出管１５・
・排出バルブ １６・・・加熱器代理人 弁理士
則 近 憲 佑
同 第子丸 健FIG. 1 is a vertical cross-sectional view of a superconducting magnet device according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of a conventional superconducting magnet device, and FIG. 3 is a vertical cross-sectional view showing a method of discharging liquid nitrogen from a conventional superconducting magnet device. It is a front view. 2...Superconducting coil 3...Liquid nitrogen container 4...
Liquid nitrogen 5... Vacuum container 9... Top flange 9a... Liquid nitrogen injection boat 9b... Evaporated gas recovery boat 12... Pressurizer 13...
・・Pressure valve 14・・Liquid nitrogen discharge pipe 15・
・Discharge valve 16... Heater agent Patent attorney
Ken Chika Yudo Ken Daishimaru
Claims (1)
ネットを冷却する冷媒と、超電導マグネットおよび冷媒
を収納する冷媒容器と、この冷媒容器を真空断熱する真
空容器を有する超電導マグネット装置において、前記冷
媒容器の液相部と気相部のあいだに配管接続され冷媒容
器の外部に設けられた加圧器と、冷媒容器の底まで挿入
した液排出管を設けたことを特徴とする超電導マグネッ
ト装置。A superconducting magnet device comprising a superconducting magnet made of a superconducting material, a refrigerant for cooling the superconducting magnet, a refrigerant container for storing the superconducting magnet and the refrigerant, and a vacuum container for vacuum insulating the refrigerant container, wherein a liquid phase portion of the refrigerant container is provided. A superconducting magnet device comprising: a pressurizer connected by piping between the refrigerant container and the gas phase portion and provided outside the refrigerant container; and a liquid discharge pipe inserted to the bottom of the refrigerant container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63249827A JPH0298107A (en) | 1988-10-05 | 1988-10-05 | Superconducting magnet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63249827A JPH0298107A (en) | 1988-10-05 | 1988-10-05 | Superconducting magnet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298107A true JPH0298107A (en) | 1990-04-10 |
Family
ID=17198777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63249827A Pending JPH0298107A (en) | 1988-10-05 | 1988-10-05 | Superconducting magnet device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007173460A (en) * | 2005-12-21 | 2007-07-05 | Mitsubishi Electric Corp | Superconducting electromagnet device |
-
1988
- 1988-10-05 JP JP63249827A patent/JPH0298107A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007173460A (en) * | 2005-12-21 | 2007-07-05 | Mitsubishi Electric Corp | Superconducting electromagnet device |
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