JPH062215U - Oxygen sensor - Google Patents
Oxygen sensorInfo
- Publication number
- JPH062215U JPH062215U JP4580792U JP4580792U JPH062215U JP H062215 U JPH062215 U JP H062215U JP 4580792 U JP4580792 U JP 4580792U JP 4580792 U JP4580792 U JP 4580792U JP H062215 U JPH062215 U JP H062215U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen sensor
- support tube
- reference electrode
- molten metal
- alloy
- 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.)
- Withdrawn
Links
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
(57)【要約】
【目的】 繰返し使用する場合、消耗部だけを交換して
使用できる構造の酸素センサーの提供。
【構成】 低融点の溶融金属または合金の酸素ポテンシ
ャルを測定するための、溶融金属または合金中の測定温
度において液相をなす金属とその中に分散したその金属
酸化物よりなる系である参照電極と、該系を容れ溶融金
属または合金に浸漬されるジルコニア固体電解質の容器
と、参照電極に接続されるリード材と、温度を測定する
手段とが、リード材として用いられるW,Re,C,M
oおよびステンレス鋼のいずれか1種の材質の円筒状の
支持管の内部に配置された構造を有するジルコニア酸素
センサー。
【効果】 本考案の酸素センサーは、参照電極側リード
材と同材質の円筒を支持管として用い、浴側リード材を
兼ね、消耗部と非消耗部と区別してあり、繰返し使用す
る場合消耗部だけを交換するだけで使用することができ
る有利な構造を有し、効率的に使用できる。
(57) [Summary] [Purpose] To provide an oxygen sensor with a structure in which only the consumable part can be replaced for repeated use. [Structure] A reference electrode for measuring an oxygen potential of a low melting point molten metal or alloy, which is a system composed of a metal in a liquid phase at a measurement temperature in the molten metal or alloy and a metal oxide dispersed therein. W, Re, C, a container of zirconia solid electrolyte that contains the system and is immersed in a molten metal or alloy, a lead material connected to a reference electrode, and a means for measuring temperature are used as lead materials. M
A zirconia oxygen sensor having a structure arranged inside a cylindrical support tube made of any one of o and stainless steel. [Effect] The oxygen sensor of the present invention uses a cylinder made of the same material as the reference electrode side lead material as a support tube, and also serves as a bath side lead material, and is distinguished as a consumable part and a non-consumable part. It has an advantageous structure that can be used only by exchanging it, and it can be used efficiently.
Description
【0001】[0001]
本考案は低融点の溶融金属または合金の酸素ポテンシャルを測定する酸素セン サーに関する。 The present invention relates to an oxygen sensor for measuring the oxygen potential of a low melting point molten metal or alloy.
【0002】[0002]
従来の酸素センサーは、ジルコニア固体電解質容器と、この固体電解質容器の 内側に配置された金属粒子およびその金属酸化物粒子よりなる系である参照電極 と、この参照電極と溶融金属のそれぞれに接続されるリード材と、該リード材間 の起電力を測定するための手段によって構成されているため、繰返し使用する場 合有利となる構造を有する酸素センサーが望まれる。 A conventional oxygen sensor is connected to a zirconia solid electrolyte container, a reference electrode that is a system made up of metal particles and their metal oxide particles and is connected to the reference electrode and molten metal, respectively. Therefore, an oxygen sensor having a structure that is advantageous in repeated use is desired because it is composed of a lead material and a means for measuring an electromotive force between the lead materials.
【0003】[0003]
ジルコニア酸素センサーの構成を溶融金属または合金中の測定温度において液 相をなす金属とその中に分散したその酸化物よりなる系である参照電極と、該系 を容れ、溶融金属または合金に浸漬されるジルコニア固体電解質の容器と、参照 電極に接続されるリード材と、温度を測定する手段とが、該リード材と同じ材質 の円筒状の支持管の内部に配置された構造にすることにより、消耗部と非消耗部 を区別して一体物とし、参照極側リード材と同材質の円筒を支持管として用い、 浴側リード材を兼ねる構造とすることにより繰返し使用する場合消耗部だけを交 換して使用することができ従来の酸素センサーに比較して有利となることを知見 した。 The zirconia oxygen sensor is composed of a reference electrode, which is a system consisting of a metal that is in a liquid phase at a measurement temperature in a molten metal or alloy and its oxide dispersed in the molten metal or alloy, and the system is immersed in a molten metal or alloy. The zirconia solid electrolyte container, the lead material connected to the reference electrode, and the means for measuring the temperature are arranged inside a cylindrical support tube made of the same material as the lead material. When the consumable part and the non-consumable part are distinguished from each other, they are integrated into one body, and a cylinder made of the same material as the reference electrode side lead material is used as a support tube. It has been found that it can be used as a new product and has an advantage over conventional oxygen sensors.
【0004】[0004]
本考案によれば、低融点の溶融金属または合金浴の酸素ポテンシャルを測定す るための、溶融金属または合金中の測定温度において液相をなす金属とその中に 分散したその金属酸化物よりなる系である参照電極と、該系を容れ溶融金属また は合金に浸漬されるジルコニア固体電解質の容器と、参照電極に接続されるリー ド材と、温度を測定する手段とが、リード材として用いられるW,Re,C,M oおよびステンレス鋼のいずれか1種の材質の円筒状の支持管の内部に配置され た構造を有するジルコニア酸素センサーが提供される。 According to the present invention, for measuring the oxygen potential of a low melting point molten metal or alloy bath, it consists of a metal in liquid phase at the measurement temperature in the molten metal or alloy and its metal oxide dispersed therein. A reference electrode that is a system, a container of zirconia solid electrolyte that contains the system and is immersed in a molten metal or alloy, a lead material that is connected to the reference electrode, and a means for measuring temperature are used as lead materials. There is provided a zirconia oxygen sensor having a structure arranged inside a cylindrical support tube made of any one of W, Re, C, Mo and stainless steel.
【0005】[0005]
本考案に係る酸素センサーについて具体的に説明する。図1に酸素センサーの 概念を示す模式図を示す。固体電解質容器1、参照電極2、リード線3,4、ポ テンシオメーター6よりなるジルコニア酸素センサーを低融点の溶融金属または 合金5に浸漬し、溶融金属中の溶存酸素ポテンシャルをポテンシオメーター6に より起電力を測定する。 The oxygen sensor according to the present invention will be specifically described. Fig. 1 shows a schematic diagram showing the concept of the oxygen sensor. A zirconia oxygen sensor consisting of a solid electrolyte container 1, a reference electrode 2, lead wires 3, 4 and a potentiometer 6 is immersed in a low melting point molten metal or alloy 5 to measure the potential of dissolved oxygen in the molten metal with a potentiometer 6 To measure the electromotive force.
【0006】[0006]
図2および図3に本考案の酸素センサーの実施例を示す。図2において、固体 電解質容器1、参照電極側リード材3、熱電対7が、支持管兼浴側リード材4の 支持管の内部に配置され、参照電極側リード材3と支持管兼リード材4をリード 線を介してポテンシオメーター6に結ばれる。消耗部と非消耗部を区別して一体 物とした構造とした酸素センサーを溶融金属に浸漬することにより、ポテンシオ メーター6により起電力を測定することにより、酸素ポテンシャルを測定でき、 溶融金属の温度が測定できる。図3に図2の酸素センサーの断面図を示す。固体 電解質容器1、参照電極2、参照電極側リード材3、支持管兼浴側リード材4、 熱電対7、耐火材8より構成されている。 2 and 3 show an embodiment of the oxygen sensor of the present invention. In FIG. 2, the solid electrolyte container 1, the reference electrode side lead material 3, and the thermocouple 7 are arranged inside the support tube of the support tube / bath side lead material 4, and the reference electrode side lead material 3 and the support tube / lead material. 4 is connected to potentiometer 6 via a lead wire. By immersing the oxygen sensor, which has a structure in which the consumable part and the non-consumable part are distinguished and integrated into one body, and by measuring the electromotive force with the potentiometer 6, the oxygen potential can be measured. Can be measured. FIG. 3 shows a sectional view of the oxygen sensor of FIG. It is composed of a solid electrolyte container 1, a reference electrode 2, a reference electrode side lead material 3, a supporting tube / bath side lead material 4, a thermocouple 7, and a refractory material 8.
【0007】 固体電解質容器は5〜10mol%のY2O3で安定化されたジルコニア固体電解 質よりなる。参照電極としては、溶融金属または合金中の測定温度において液相 をなす金属とその中に分散したその金属酸化物よりなる系が用いられる。参照電 極金属中には酸素が飽和状態で溶解していると考えられ、これにより熱力学的に 計算される所定の酸素ポテンシャルが支えられる。参照電極としては、In−I n2O3系、Bi−Bi2O3系、Zn−ZnO系が好ましい。The solid electrolyte container comprises a zirconia solid electrolyte stabilized with 5-10 mol% Y 2 O 3 . As the reference electrode, a system composed of a metal that is in a liquid phase at a measurement temperature in a molten metal or alloy and the metal oxide dispersed therein is used. It is considered that oxygen is dissolved in the reference electrode metal in a saturated state, which supports the predetermined oxygen potential calculated thermodynamically. As the reference electrode, In—In 2 O 3 system, Bi—Bi 2 O 3 system, and Zn—ZnO system are preferable.
【0008】 支持管兼リード材は、Wパイプ、Reパイプ、Cパイプ、Moパイプおよびス テンレス鋼パイプのいずれか1種が用いられる。As the support pipe / lead material, any one of a W pipe, a Re pipe, a C pipe, a Mo pipe and a stainless steel pipe is used.
【0009】 図1に示す従来の酸素センサーは、使用温度が高いために固体電解質容器、リ ード線など消耗タイプとして製作されている。本考案の酸素センサーは参照電極 側リード材と同材質の円筒を支持管として用い、浴側リード材を兼ね、消耗部と 非消耗部を区別してあり、繰返し使用する場合、固体電解質容器の部分だけを交 換することができ有利となる構造を有する。The conventional oxygen sensor shown in FIG. 1 is manufactured as a consumable type such as a solid electrolyte container and a lead wire because of its high operating temperature. The oxygen sensor of the present invention uses a cylinder made of the same material as the reference electrode side lead material as a support tube, also serves as a bath side lead material, and distinguishes the consumable part from the non-consumable part. It has a structure that is advantageous because it can be replaced only.
【0010】[0010]
本考案の酸素センサーは、参照電極側リード材と同材質の円筒を支持管として 用い、浴側リード材を兼ね、消耗部と非消耗部を区別してあり、繰返し使用する 場合、消耗部だけを交換して使用することができ有利な構造を有し効率的に使用 できる。 The oxygen sensor of the present invention uses a cylinder made of the same material as the reference electrode side lead material as a support tube, also serves as a bath side lead material, and distinguishes the consumable part from the non-consumable part. They can be used interchangeably and have an advantageous structure and can be used efficiently.
【図1】従来の酸素センサーの模式図。FIG. 1 is a schematic diagram of a conventional oxygen sensor.
【図2】本考案による酸素センサーの模式図。FIG. 2 is a schematic view of an oxygen sensor according to the present invention.
【図3】本考案による酸素センサーの断面図。FIG. 3 is a sectional view of an oxygen sensor according to the present invention.
1 固体電解質容器 2 参照電極 3 参照電極側リード材 4 支持管兼浴側リード材 5 溶融金属 6 ポテンシオメーター 7 熱電対 8 耐火材 1 Solid Electrolyte Container 2 Reference Electrode 3 Reference Electrode Side Lead Material 4 Support Tube / Bath Side Lead Material 5 Molten Metal 6 Potentiometer 7 Thermocouple 8 Refractory Material
Claims (6)
テンシャルを測定するための、該溶融金属または合金中
の測定温度において液相をなす金属とその中に分散した
その金属酸化物よりなる系である参照電極と、該系を容
れ溶融金属または合金浴に浸漬されるジルコニア固体電
解質の容器と、参照電極に接続されるリード材と、温度
を測定する手段とが、該リード材と同じ材質の円筒状の
支持管の内部に配置された構造を有するジルコニア酸素
センサー。1. A system for measuring the oxygen potential of a molten metal or alloy bath having a low melting point, which comprises a metal in a liquid phase at a measuring temperature in the molten metal or alloy and a metal oxide dispersed therein. A reference electrode, a container of zirconia solid electrolyte that contains the system and is immersed in a molten metal or alloy bath, a lead material connected to the reference electrode, and a means for measuring the temperature are the same material as the lead material. Zirconia oxygen sensor having a structure arranged inside a cylindrical support tube of.
る請求項1記載の酸素センサー。2. The oxygen sensor according to claim 1, wherein a tungsten pipe is used as the support tube.
求項1記載の酸素センサー。3. The oxygen sensor according to claim 1, wherein a rhenium pipe is used as the support tube.
求項1記載の酸素センサー。4. The oxygen sensor according to claim 1, wherein a carbon pipe is used as the support tube.
請求項1記載の酸素センサー。5. The oxygen sensor according to claim 1, wherein a molybdenum pipe is used as the support tube.
請求項1記載の酸素センサー。6. The oxygen sensor according to claim 1, wherein a stainless pipe is used as the support tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4580792U JPH062215U (en) | 1992-06-08 | 1992-06-08 | Oxygen sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4580792U JPH062215U (en) | 1992-06-08 | 1992-06-08 | Oxygen sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH062215U true JPH062215U (en) | 1994-01-14 |
Family
ID=12729535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4580792U Withdrawn JPH062215U (en) | 1992-06-08 | 1992-06-08 | Oxygen sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH062215U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54350A (en) * | 1977-05-30 | 1979-01-05 | Kansai Coke & Chemicals | Device of detecting loading of shoot |
JPS57151527U (en) * | 1981-03-18 | 1982-09-22 | ||
KR101330909B1 (en) * | 2005-12-15 | 2013-11-18 | 헤라우스 일렉트로-나이트 인터내셔날 엔. 브이. | Measuring probe for measurements in metal or slag melts |
-
1992
- 1992-06-08 JP JP4580792U patent/JPH062215U/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54350A (en) * | 1977-05-30 | 1979-01-05 | Kansai Coke & Chemicals | Device of detecting loading of shoot |
JPS57151527U (en) * | 1981-03-18 | 1982-09-22 | ||
KR101330909B1 (en) * | 2005-12-15 | 2013-11-18 | 헤라우스 일렉트로-나이트 인터내셔날 엔. 브이. | Measuring probe for measurements in metal or slag melts |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19961003 |