JPS5677752A - Oxygen sensor for fused steel - Google Patents
Oxygen sensor for fused steelInfo
- Publication number
- JPS5677752A JPS5677752A JP15506579A JP15506579A JPS5677752A JP S5677752 A JPS5677752 A JP S5677752A JP 15506579 A JP15506579 A JP 15506579A JP 15506579 A JP15506579 A JP 15506579A JP S5677752 A JPS5677752 A JP S5677752A
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- oxygen
- electrode
- steel
- sensor element
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 5
- 239000001301 oxygen Substances 0.000 title abstract 5
- 229910052760 oxygen Inorganic materials 0.000 title abstract 5
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 2
- 238000007664 blowing Methods 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 239000007784 solid electrolyte Substances 0.000 abstract 2
- 239000010421 standard material Substances 0.000 abstract 2
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
PURPOSE: To prevent an isolation between the sensor element and the standard electrode and then increase the response speed, by forming the standard electrode of an oxygen sensor using the zirconia solid electrolyte by pressure forming and then burning to the specified standard material powder substance and then fitting such electrode into the sensor element.
CONSTITUTION: The bag-shaped sensor element 3 is produced with the ZrO2 solid electrolyte in order to secure an accurate control to the finish point of blowing process of the oxygen blowing furnace or the O2 dissolved in the steel. On the other hand, a little amount of polyvinyl alcohol is added to the mixture powder of the metallic chrome and the acid chrome in a ratio of 8:3wt%, and then heat-molded into a bar shape. The bar-shape product is then sintered at about 1,350°C in the Ar gas, and the rod 5 shaved off into the same form as the inside of the sensor 3 is fitted to the sensor 3. The Mo wire is inserted to the center part of the sensor to extract the electromotive force, thus completing a probe. As a result, the standard material 5 never comes off from the wall of the element 3 even in the fused steel (about 160°C), and accordingly the heat transmission is accelerated. The electromotive force of an oxygen concentration cell secures a balanced state in a short time to obtain an oxygen sensor having a high response speed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15506579A JPS5677752A (en) | 1979-11-29 | 1979-11-29 | Oxygen sensor for fused steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15506579A JPS5677752A (en) | 1979-11-29 | 1979-11-29 | Oxygen sensor for fused steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5677752A true JPS5677752A (en) | 1981-06-26 |
Family
ID=15597893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15506579A Pending JPS5677752A (en) | 1979-11-29 | 1979-11-29 | Oxygen sensor for fused steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5677752A (en) |
-
1979
- 1979-11-29 JP JP15506579A patent/JPS5677752A/en active Pending
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