JPH0810365Y2 - Oxygen removal device in liquid sodium - Google Patents

Oxygen removal device in liquid sodium

Info

Publication number
JPH0810365Y2
JPH0810365Y2 JP1990086110U JP8611090U JPH0810365Y2 JP H0810365 Y2 JPH0810365 Y2 JP H0810365Y2 JP 1990086110 U JP1990086110 U JP 1990086110U JP 8611090 U JP8611090 U JP 8611090U JP H0810365 Y2 JPH0810365 Y2 JP H0810365Y2
Authority
JP
Japan
Prior art keywords
liquid sodium
oxygen
solid electrolyte
inert gas
removal device
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.)
Expired - Fee Related
Application number
JP1990086110U
Other languages
Japanese (ja)
Other versions
JPH0445529U (en
Inventor
三男 上田
哲郎 藤本
和明 根本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP1990086110U priority Critical patent/JPH0810365Y2/en
Publication of JPH0445529U publication Critical patent/JPH0445529U/ja
Application granted granted Critical
Publication of JPH0810365Y2 publication Critical patent/JPH0810365Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Separation Using Semi-Permeable Membranes (AREA)

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は、液体ナトリウム中の酸素イオンを除去する
ための装置に関する。
DETAILED DESCRIPTION OF THE INVENTION Industrial Field The present invention relates to an apparatus for removing oxygen ions in liquid sodium.

(従来の技術) 液体ナトリウムを取り扱う装置は、腐食防止の目的で
液体ナトリウム中から酸素を極力除去している。
(Prior Art) An apparatus for handling liquid sodium removes oxygen from liquid sodium as much as possible for the purpose of preventing corrosion.

第3図は、従来の酸素除去装置の概念図であり、ナト
リウムタンク15中の液体ナトリウム5は、Naの循環ポン
プ16によりコールドラップ14に供給され、ブロア17で供
給される冷却空気により、ナトリウム中の酸素をコール
ドラップ14内の充填物に析出捕獲してから、ナトリウム
タンク15に戻される。
FIG. 3 is a conceptual diagram of a conventional oxygen removal device. Liquid sodium 5 in a sodium tank 15 is supplied to a cold wrap 14 by a Na circulation pump 16 and sodium is supplied by cooling air supplied by a blower 17. The oxygen in the precipitate is trapped in the packing in the cold wrap 14 and then returned to the sodium tank 15.

(考案が解決しようとする課題) 上記のコールドトラップで液体ナトリウム中の酸素を
除去する装置は、充填物に捕獲された酸素を系外に排出
する手段を備えていないので、コールドトラップの温度
制御を誤ると、捕獲した酸素を再び液体ナトリウム中に
溶出する恐れがあった。
(Problems to be Solved by the Invention) The device for removing oxygen in liquid sodium with the cold trap described above does not have a means for discharging the oxygen trapped in the packing to the outside of the system, so that the temperature control of the cold trap is performed. If mistaken, there was a possibility that the captured oxygen would be eluted again in the liquid sodium.

本考案は、上記の問題点を解消し、液体ナトリウムか
ら除去した酸素を確実に系外に排出することのできる酸
素除去装置を提供しようとするものである。
The present invention aims to solve the above problems and provide an oxygen removing device that can reliably discharge oxygen removed from liquid sodium to the outside of the system.

(課題を解決するための手段) 本考案は、酸素イオンを選択的に透過する固体電解質
壁の一方の表面に多孔質陽極膜を設け、他方の表面に液
体ナトリウムを接触保持する手段を備え、該液体ナトリ
ウムと接触するように陰極を配置し、両極の間に直流電
源を配置し、かつ、上記陽極膜表面に不活性ガスを流し
て酸素ガスを排気する手段を付設したことを特徴とする
液体ナトリウム中の酸素除去装置である。
(Means for Solving the Problem) The present invention comprises a means for providing a porous anodic membrane on one surface of a solid electrolyte wall that selectively permeates oxygen ions and a means for holding liquid sodium in contact with the other surface thereof. A cathode is arranged so as to come into contact with the liquid sodium, a DC power source is arranged between both electrodes, and a means for flowing an inert gas to exhaust the oxygen gas is attached to the surface of the anode film. It is an oxygen scavenger in liquid sodium.

(作用) 安定化ジルコニア等の固体電解質は、該電解質の両端
に直流電圧を加えると、酸素イオンを選択的に透過する
性質を有する。
(Function) A solid electrolyte such as stabilized zirconia has a property of selectively permeating oxygen ions when a DC voltage is applied to both ends of the electrolyte.

そこで、本考案は、かかる固体電解質壁の一方の表面
に多孔質陽極膜を設け、他方の表面に液体ナトリウムを
接触保持し、該液体ナトリウムと接触するように陰極を
配置して、上記陽極膜表面に透過した酸素ガスを不活性
ガスにより排気するようにしたものである。
Therefore, the present invention provides a porous anode film on one surface of the solid electrolyte wall, holds liquid sodium in contact with the other surface of the solid electrolyte wall, and arranges a cathode so as to contact with the liquid sodium. The oxygen gas that permeates the surface is exhausted by an inert gas.

本考案で使用することのできる固体電解質としては、
ZrO2/CaO2,ZrO2/Y23,ThO2/Y23,CeO2/Y23等のセラ
ミックスを挙げることができる。固体電解質表面の多孔
質陽極膜は、高温で安定であればその種類を問わない
が、例えば、スパッタリング等により形成された白金薄
膜などを使用することができる。不活性ガスとしては、
アルゴンガス等を使用することができる。
Solid electrolytes that can be used in the present invention include:
Ceramics such as ZrO 2 / CaO 2 , ZrO 2 / Y 2 O 3 , ThO 2 / Y 2 O 3 and CeO 2 / Y 2 O 3 can be mentioned. The porous anode film on the surface of the solid electrolyte may be of any type as long as it is stable at high temperature, but for example, a platinum thin film formed by sputtering or the like can be used. As an inert gas,
Argon gas or the like can be used.

(実施例) 第1図は、本考案の実施例である液体ナトリウム中の
酸素除去装置の概念図である。この装置は、導電性容器
4に液体ナトリウム5を収容し、先端を閉じた固体電解
質管1の内壁に多孔質陽極膜2を形成し、該固体電解質
管1を液体ナトリウム5中に浸漬し、その上端を絶縁性
ベローズ継手3で上記導電性容器4に結合し、該固定電
解質管1の底部近くに開口する不活性ガス導入管6を配
設する。液体ナトリウム5は400℃以上に加熱し、上記
陽極膜2と導電性容器4との間に直流電源7を接続して
1〜2V程度の直流電圧を印加することにより、陽極膜2
側に酸素を透過させ、不活性ガス8を固体電解質管1内
に少量送気して、酸素ガスを不活性ガスとともに系外に
排出するものである。なお、不活性ガスによる掃気を促
進するために、複数本の導入管を用いることも可能であ
る。
(Embodiment) FIG. 1 is a conceptual diagram of an apparatus for removing oxygen in liquid sodium, which is an embodiment of the present invention. In this device, liquid sodium 5 is contained in a conductive container 4, a porous anode membrane 2 is formed on the inner wall of a solid electrolyte tube 1 having a closed tip, and the solid electrolyte tube 1 is immersed in liquid sodium 5, An upper end of the fixed electrolyte pipe 1 is connected to the conductive container 4 by an insulating bellows joint 3, and an inert gas introduction pipe 6 is provided near the bottom of the fixed electrolyte pipe 1. The liquid sodium 5 is heated to 400 ° C. or higher, a DC power source 7 is connected between the anode film 2 and the conductive container 4, and a DC voltage of about 1 to 2 V is applied to the anode film 2
Oxygen is permeated to the side, a small amount of the inert gas 8 is fed into the solid electrolyte tube 1, and the oxygen gas is discharged out of the system together with the inert gas. It is also possible to use a plurality of introduction pipes in order to promote scavenging with an inert gas.

第2図は、本考案の別の実施例である液体ナトリウム
中の酸素除去装置である。この除去装置は、一方の表面
に多孔質陽極膜10を有する平板状の固体電解質壁9と陰
極壁11を並設し、底部を絶縁性底板12で閉じて液体ナト
リウム5を収容する室を形成し、多孔質陽極膜10と陰極
壁11との間に直流電源7を配置したもので、隣接する多
孔質陽極膜10を対向させることにより、不活性ガス8の
通路を形成して、固体電解質壁9を透過した酸素を不活
性ガスとともに系外に排出するものである。なお、13
は、液体ナトリウムを収容する室の絶縁性蓋板である。
この除去装置は、液体ナトリウムの処理量に応じて適宜
増設することも可能である。
FIG. 2 shows another embodiment of the present invention, which is an apparatus for removing oxygen in liquid sodium. In this removing apparatus, a flat solid electrolyte wall 9 having a porous anode film 10 on one surface and a cathode wall 11 are arranged in parallel, and the bottom is closed by an insulating bottom plate 12 to form a chamber for containing liquid sodium 5. The DC power source 7 is disposed between the porous anode film 10 and the cathode wall 11, and the passage of the inert gas 8 is formed by making the adjacent porous anode films 10 face each other. The oxygen that has passed through the wall 9 is discharged out of the system together with the inert gas. Note that 13
Is an insulating lid for a chamber containing liquid sodium.
This removing device can be appropriately added depending on the amount of liquid sodium to be processed.

(考案の効果) 本考案は、上記の構成を採用することにより、固体電
解質壁表面の多孔質陽極膜側に透過した酸素を不活性ガ
スで掃気して排出するため、酸素を確実に系外に除去す
ることができ、従来の装置のように、冷却設備や温度制
御装置を不用とし、酸素除去装置の構造を極めて簡単に
することができた。
(Advantages of the Invention) By adopting the above configuration, the present invention scavenges the oxygen permeated to the porous anode membrane side of the solid electrolyte wall surface with an inert gas and discharges it, so that the oxygen is reliably removed from the system. Therefore, unlike the conventional device, the cooling equipment and the temperature control device are not required, and the structure of the oxygen removing device can be extremely simplified.

【図面の簡単な説明】[Brief description of drawings]

第1図及び第2図は本考案の1実施例である液体ナトリ
ウム中の酸素除去装置の概念図であり、第3図は従来装
置の概念図である。
1 and 2 are conceptual diagrams of an apparatus for removing oxygen in liquid sodium according to one embodiment of the present invention, and FIG. 3 is a conceptual diagram of a conventional apparatus.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】酸素イオンを選択的に透過する固体電解質
壁の一方の表面に多孔質陽極膜を設け、他方の表面に液
体ナトリウムを接触保持する手段を備え、該液体ナトリ
ウムと接触するように陰極を配置し、両極の間に直流電
源を配置し、かつ、上記陽極膜表面に不活性ガスを流し
て酸素ガスを排気する手段を付設したことを特徴とする
液体ナトリウム中の酸素除去装置。
1. A porous anode membrane is provided on one surface of a solid electrolyte wall that selectively permeates oxygen ions, and a means for holding liquid sodium in contact with the other surface is provided, so as to make contact with the liquid sodium. A device for removing oxygen in liquid sodium, characterized in that a cathode is disposed, a DC power source is disposed between both electrodes, and a means for flowing an inert gas to exhaust the oxygen gas is attached to the surface of the anode film.
JP1990086110U 1990-08-17 1990-08-17 Oxygen removal device in liquid sodium Expired - Fee Related JPH0810365Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990086110U JPH0810365Y2 (en) 1990-08-17 1990-08-17 Oxygen removal device in liquid sodium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990086110U JPH0810365Y2 (en) 1990-08-17 1990-08-17 Oxygen removal device in liquid sodium

Publications (2)

Publication Number Publication Date
JPH0445529U JPH0445529U (en) 1992-04-17
JPH0810365Y2 true JPH0810365Y2 (en) 1996-03-29

Family

ID=31817610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990086110U Expired - Fee Related JPH0810365Y2 (en) 1990-08-17 1990-08-17 Oxygen removal device in liquid sodium

Country Status (1)

Country Link
JP (1) JPH0810365Y2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526843B2 (en) * 1972-04-05 1977-02-25

Also Published As

Publication number Publication date
JPH0445529U (en) 1992-04-17

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