NO312554B1 - Fremgangsmåte og innretning for måling av temperaturen og nivået i det smeltede elektrolysebad i celler foraluminiumfremstilling, samt anvendelse av fremgangsmåten formåling av nivået for elektrolytt og metall - Google Patents
Fremgangsmåte og innretning for måling av temperaturen og nivået i det smeltede elektrolysebad i celler foraluminiumfremstilling, samt anvendelse av fremgangsmåten formåling av nivået for elektrolytt og metall Download PDFInfo
- Publication number
- NO312554B1 NO312554B1 NO19954740A NO954740A NO312554B1 NO 312554 B1 NO312554 B1 NO 312554B1 NO 19954740 A NO19954740 A NO 19954740A NO 954740 A NO954740 A NO 954740A NO 312554 B1 NO312554 B1 NO 312554B1
- Authority
- NO
- Norway
- Prior art keywords
- electrolyte
- probe
- level
- crust
- temperature
- Prior art date
Links
- 239000003792 electrolyte Substances 0.000 title claims description 110
- 238000000034 method Methods 0.000 title claims description 39
- 229910052751 metal Inorganic materials 0.000 title claims description 14
- 239000002184 metal Substances 0.000 title claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 12
- 229910052782 aluminium Inorganic materials 0.000 title claims description 11
- 238000005868 electrolysis reaction Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000523 sample Substances 0.000 claims description 94
- 238000005259 measurement Methods 0.000 claims description 48
- 239000012190 activator Substances 0.000 claims description 23
- 238000007654 immersion Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 5
- 238000013213 extrapolation Methods 0.000 claims description 4
- 238000009626 Hall-Héroult process Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 description 8
- 229910001610 cryolite Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- 101100004392 Arabidopsis thaliana BHLH147 gene Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/20—Automatic control or regulation of cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9415086A FR2727985B1 (fr) | 1994-12-09 | 1994-12-09 | Procede et dispositif de mesure de la temperature et du niveau du bain d'electrolyse fondu dans les cuves de production d'aluminium |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO954740D0 NO954740D0 (no) | 1995-11-23 |
| NO954740L NO954740L (no) | 1996-06-10 |
| NO312554B1 true NO312554B1 (no) | 2002-05-27 |
Family
ID=9469818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19954740A NO312554B1 (no) | 1994-12-09 | 1995-11-23 | Fremgangsmåte og innretning for måling av temperaturen og nivået i det smeltede elektrolysebad i celler foraluminiumfremstilling, samt anvendelse av fremgangsmåten formåling av nivået for elektrolytt og metall |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6065867A (de) |
| EP (1) | EP0716165B1 (de) |
| AU (1) | AU689973B2 (de) |
| CA (1) | CA2164687C (de) |
| DE (1) | DE69503342T2 (de) |
| FR (1) | FR2727985B1 (de) |
| NO (1) | NO312554B1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE511376C2 (sv) * | 1997-11-28 | 1999-09-20 | Sintercast Ab | Provtagningsanordning för termisk analys av stelnande metall |
| DE19909614C1 (de) * | 1999-03-05 | 2000-08-03 | Heraeus Electro Nite Int | Eintauchsensor, Meßanordnung und Meßverfahren zur Überwachung von Aluminium-Elektrolysezellen |
| DE10331124B3 (de) * | 2003-07-09 | 2005-02-17 | Heraeus Electro-Nite International N.V. | Verfahren und Vorrichtung zum Messen der Abkühlkurve von Schmelzenproben und/oder der Aufheizkurve von Schmelzenproben sowie deren Verwendung |
| US6942381B2 (en) * | 2003-09-25 | 2005-09-13 | Alcoa Inc. | Molten cryolitic bath probe |
| FR2862355B1 (fr) | 2003-11-18 | 2006-02-10 | Ecl | Systeme de liaison de deux arbres en translation |
| FR2872176B1 (fr) * | 2004-06-25 | 2006-07-28 | Ecl Soc Par Actions Simplifiee | Racleur d'un organe de percage d'une croute de bain d'une cellule d'electrolyse destinee a la production d'aluminium |
| US7275429B2 (en) * | 2005-04-06 | 2007-10-02 | Itt Manufacturing Enterprises Inc. | Mechanical self-cleaning probe via bi-metallic or shape memory |
| EP2044241B1 (de) * | 2006-06-27 | 2011-04-27 | Alcoa Inc. | Systeme und verfahren zur betriebssteuerung von metallelektrolysezellen |
| CN101270485B (zh) * | 2008-05-10 | 2010-06-16 | 中国铝业股份有限公司 | 电解过热度控制方法 |
| DE102008025090A1 (de) | 2008-05-26 | 2009-12-17 | Robert Bosch Gmbh | Vorrichtung zum Messen der Temperatur eines Bades in einem Reduktionsbecken |
| AU2015203272B2 (en) * | 2009-03-26 | 2016-06-30 | Alcoa Usa Corp. | System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same |
| US8409409B2 (en) * | 2009-03-26 | 2013-04-02 | Alcoa Inc. | System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same |
| CN102703934B (zh) * | 2012-06-08 | 2015-05-20 | 云南铝业股份有限公司 | 一种提高铝电解槽焙烧温度均匀性的方法 |
| CN104233374A (zh) * | 2013-06-07 | 2014-12-24 | 攀钢集团钛业有限责任公司 | 镁电解槽液位检测装置和方法以及镁电解槽 |
| CN104480495B (zh) * | 2014-12-17 | 2016-09-28 | 湖南创元铝业有限公司 | 铝电解槽单槽出铝量控制方法 |
| CN106555211B (zh) * | 2015-09-25 | 2018-11-27 | 沈阳铝镁设计研究院有限公司 | 一种铝电解槽阴极压降的测量工具及测量方法 |
| CN106768167B (zh) * | 2016-11-15 | 2019-02-15 | 北京科技大学 | 一种基于阻抗变化的电解槽液位在线自主测量系统及方法 |
| CN107164784B (zh) * | 2017-06-29 | 2023-06-30 | 山东宏桥新型材料有限公司 | 一种自动间断式检测铝电解质温度的系统 |
| KR101892732B1 (ko) * | 2017-10-17 | 2018-08-28 | 한국원자력연구원 | 다접점 온도센서를 이용한 광대역 용융금속 액위 측정 장치 및 열 시스템 |
| FR3077018B1 (fr) * | 2018-01-24 | 2020-01-24 | Rio Tinto Alcan International Limited | Dispositif de percage comprenant un fourreau tubulaire fixe a un verin |
| CN110501080B (zh) * | 2019-09-06 | 2024-02-13 | 中冶赛迪信息技术(重庆)有限公司 | 铝槽熔池探测器、探测装置及方法 |
| CN112665642B (zh) * | 2020-12-02 | 2023-02-10 | 沈阳铝镁设计研究院有限公司 | 铝电解槽电解质温度、两水平和炉底压降在线测量系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3660256A (en) * | 1967-12-07 | 1972-05-02 | Gen Electric | Method and apparatus for aluminum potline control |
| US3629079A (en) * | 1968-02-23 | 1971-12-21 | Kaiser Aluminium Chem Corp | Alumina feed control |
| US3625842A (en) * | 1968-05-24 | 1971-12-07 | Kaiser Aluminium Chem Corp | Alumina feed control |
| DE2133464A1 (de) * | 1970-07-13 | 1972-01-20 | Union Carbide Corp | Vorrichtung zum kontinuierlichen Messen der Temperatur in einer Zelle zur elektrolytischen Gewinnung von Aluminium |
| CH566402A5 (de) * | 1972-07-18 | 1975-09-15 | Alusuisse | |
| SU929747A1 (ru) * | 1977-10-10 | 1982-05-23 | за вители ЙП;Ог аз,, 5 ATiiHVKy, n-KJ| ;KMS-« . BKiijfSaiEjiA | Способ контрол технологического состо ни алюминиевого электролизера |
| DE3305236C2 (de) * | 1983-02-10 | 1985-11-21 | Schweizerische Aluminium Ag, Chippis | Vorrichtung zur Steuerung einer Einschlagvorrichtung einer Schmelzflußelektrolysezelle und Verfahren zum Betreiben der Vorrichtung |
| SU1236003A1 (ru) * | 1984-12-27 | 1986-06-07 | Красноярский Политехнический Институт | Способ контрол температуры электролита алюминиевого электролизера |
| FR2614320B1 (fr) * | 1987-04-21 | 1989-06-30 | Pechiney Aluminium | Procede et dispositif de controle des additions d'electrolyse solide dans les cuves d'electrolyse pour la production d'aluminium. |
-
1994
- 1994-12-09 FR FR9415086A patent/FR2727985B1/fr not_active Expired - Fee Related
-
1995
- 1995-11-22 AU AU39018/95A patent/AU689973B2/en not_active Ceased
- 1995-11-23 NO NO19954740A patent/NO312554B1/no not_active IP Right Cessation
- 1995-12-07 EP EP95420354A patent/EP0716165B1/de not_active Expired - Lifetime
- 1995-12-07 DE DE69503342T patent/DE69503342T2/de not_active Expired - Lifetime
- 1995-12-07 CA CA002164687A patent/CA2164687C/fr not_active Expired - Fee Related
- 1995-12-11 US US08/570,496 patent/US6065867A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69503342D1 (de) | 1998-08-13 |
| CA2164687A1 (fr) | 1996-06-10 |
| CA2164687C (fr) | 2005-02-15 |
| FR2727985A1 (fr) | 1996-06-14 |
| AU689973B2 (en) | 1998-04-09 |
| FR2727985B1 (fr) | 1997-01-24 |
| NO954740L (no) | 1996-06-10 |
| EP0716165A1 (de) | 1996-06-12 |
| AU3901895A (en) | 1996-06-20 |
| US6065867A (en) | 2000-05-23 |
| NO954740D0 (no) | 1995-11-23 |
| DE69503342T2 (de) | 1999-03-04 |
| EP0716165B1 (de) | 1998-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |