CA1054238A - Control system for alumina reduction cells - Google Patents
Control system for alumina reduction cellsInfo
- Publication number
- CA1054238A CA1054238A CA209,340A CA209340A CA1054238A CA 1054238 A CA1054238 A CA 1054238A CA 209340 A CA209340 A CA 209340A CA 1054238 A CA1054238 A CA 1054238A
- Authority
- CA
- Canada
- Prior art keywords
- anode
- cell
- bus
- data processor
- voltage
- 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
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 description 21
- 238000006722 reduction reaction Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 12
- 238000005259 measurement Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000005580 one pot reaction Methods 0.000 description 4
- 238000011946 reduction process Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910001610 cryolite Inorganic materials 0.000 description 3
- WABPQHHGFIMREM-IGMARMGPSA-N lead-207 Chemical compound [207Pb] WABPQHHGFIMREM-IGMARMGPSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002674 ointment Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- WABPQHHGFIMREM-NJFSPNSNSA-N lead-209 Chemical compound [209Pb] WABPQHHGFIMREM-NJFSPNSNSA-N 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241001547866 Anoda Species 0.000 description 1
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 241000357297 Atypichthys strigatus Species 0.000 description 1
- 241000555825 Clupeidae Species 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001362574 Decodes Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 241000289690 Xenarthra Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000021028 berry Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- WABPQHHGFIMREM-OIOBTWANSA-N lead-204 Chemical compound [204Pb] WABPQHHGFIMREM-OIOBTWANSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Chemical compound CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000006467 substitution reaction 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Measurement Of Current Or Voltage (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Measurement Of Radiation (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US398287A US3871984A (en) | 1973-09-17 | 1973-09-17 | Transmission of pot line control signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1054238A true CA1054238A (en) | 1979-05-08 |
Family
ID=23574793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA209,340A Expired CA1054238A (en) | 1973-09-17 | 1974-09-16 | Control system for alumina reduction cells |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3871984A (en:Method) |
| JP (1) | JPS5077205A (en:Method) |
| BR (1) | BR7407743D0 (en:Method) |
| CA (1) | CA1054238A (en:Method) |
| DE (1) | DE2444434C3 (en:Method) |
| FR (1) | FR2244019B1 (en:Method) |
| GB (1) | GB1483087A (en:Method) |
| NO (1) | NO743334L (en:Method) |
| PH (1) | PH11277A (en:Method) |
| SE (1) | SE7411652L (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2156834C1 (ru) * | 1999-12-06 | 2000-09-27 | Магрычев Александр Дмитриевич | Распределенная автоматизированная система управления электролизом алюминия |
| RU2213164C2 (ru) * | 2000-09-11 | 2003-09-27 | Открытое акционерное общество "Красноярский алюминиевый завод" | Способ автоматической стабилизации положения анодного кожуха алюминиевого электролизера и устройство для его осуществления |
| CN100340702C (zh) * | 2004-10-26 | 2007-10-03 | 沈阳铝镁设计研究院 | 一种电解槽系列母线的移动接地监控装置及方法 |
| DE102006058045B4 (de) * | 2006-12-07 | 2012-11-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Überwachungsvorrichtung zur Überwachung und Notfallsteuerung von Elektrolyseeinrichtungen |
| RU2626517C2 (ru) | 2012-08-17 | 2017-07-28 | Алкоа Инк. | Системы и способы для предотвращения термитных реакций в электролизерах |
| CN110357136A (zh) * | 2019-07-17 | 2019-10-22 | 中铝视拓智能科技有限公司 | 一种氧化铝焙烧控制方法及设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3345273A (en) * | 1964-02-04 | 1967-10-03 | Reynolds Metals Co | Method of and apparatus for indicating anode positions |
| NL6818752A (en:Method) * | 1968-12-27 | 1970-06-30 | ||
| US3761379A (en) * | 1971-07-20 | 1973-09-25 | C Elliott | Aluminum production apparatus |
-
1973
- 1973-09-17 US US398287A patent/US3871984A/en not_active Expired - Lifetime
-
1974
- 1974-09-13 JP JP49106618A patent/JPS5077205A/ja active Pending
- 1974-09-16 NO NO743334A patent/NO743334L/no unknown
- 1974-09-16 CA CA209,340A patent/CA1054238A/en not_active Expired
- 1974-09-16 SE SE7411652A patent/SE7411652L/xx unknown
- 1974-09-16 PH PH16287A patent/PH11277A/en unknown
- 1974-09-17 FR FR7431430A patent/FR2244019B1/fr not_active Expired
- 1974-09-17 GB GB40478/74A patent/GB1483087A/en not_active Expired
- 1974-09-17 DE DE2444434A patent/DE2444434C3/de not_active Expired
- 1974-09-17 BR BR7743/74A patent/BR7407743D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2444434C3 (de) | 1978-10-19 |
| FR2244019B1 (en:Method) | 1978-12-01 |
| PH11277A (en) | 1977-11-02 |
| NO743334L (en:Method) | 1975-04-14 |
| GB1483087A (en) | 1977-08-17 |
| FR2244019A1 (en:Method) | 1975-04-11 |
| JPS5077205A (en:Method) | 1975-06-24 |
| DE2444434A1 (de) | 1975-03-20 |
| SE7411652L (sv) | 1975-03-18 |
| DE2444434B2 (de) | 1978-02-16 |
| US3871984A (en) | 1975-03-18 |
| BR7407743D0 (pt) | 1975-07-29 |
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