NO742706L - - Google Patents
Info
- Publication number
- NO742706L NO742706L NO742706A NO742706A NO742706L NO 742706 L NO742706 L NO 742706L NO 742706 A NO742706 A NO 742706A NO 742706 A NO742706 A NO 742706A NO 742706 L NO742706 L NO 742706L
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- resistance
- voltage
- value
- computer
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 22
- 239000002184 metal Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 20
- 230000008859 change Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 238000005868 electrolysis reaction Methods 0.000 description 15
- 229910052782 aluminium Inorganic materials 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 230000033228 biological regulation Effects 0.000 description 10
- 230000007774 longterm Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 101100387923 Caenorhabditis elegans dos-1 gene Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Artificial Intelligence (AREA)
- Medical Informatics (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Electrochemistry (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732337797 DE2337797C3 (de) | 1973-07-25 | Verfahren und Anordnung zum Betrieb von Elektrolyseöfen, insbesondere Aluminium-Elektrolyseöfen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO742706L true NO742706L (de) | 1975-02-24 |
Family
ID=5887947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO742706A NO742706L (de) | 1973-07-25 | 1974-07-24 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4008142A (de) |
| AT (1) | AT329893B (de) |
| FR (1) | FR2238775B1 (de) |
| GB (1) | GB1473887A (de) |
| IT (1) | IT1017368B (de) |
| NO (1) | NO742706L (de) |
| SE (1) | SE7409382L (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1080307A (en) * | 1976-01-29 | 1980-06-24 | Andrew E. Deczky | Optical telemetry for aluminium reduction plant bridge cranes |
| JPS52119494A (en) * | 1976-03-05 | 1977-10-06 | Toshiba Corp | Control of ozonizer system |
| DE2721957A1 (de) * | 1977-05-14 | 1978-11-23 | Hoechst Ag | Verfahren zum messen der verteilung der anodenstroeme in chloralkalielektrolysezellen |
| CA1219636A (en) * | 1984-01-18 | 1987-03-24 | Andrew E. Deczky | Data acquisition system for the computer control of aluminum smelters |
| NZ232580A (en) * | 1989-02-24 | 1992-12-23 | Comalco Alu | Aluminium smelting process control |
| FI20031733A0 (fi) * | 2003-11-27 | 2003-11-27 | Outokumpu Oy | Menetelmä kuparielektrolyysin tilaindeksin määrittämiseksi |
| US20130245841A1 (en) * | 2010-06-26 | 2013-09-19 | Junho AHN | Method for controlling component for network system |
| CN111996557B (zh) * | 2020-08-11 | 2023-06-23 | 杨晓东 | 一种铝电解槽集中换极和连续休极的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3573179A (en) * | 1965-12-14 | 1971-03-30 | Ibm | Method and apparatus for the control of electrolytic refining cells |
| FR1605433A (de) * | 1967-11-06 | 1975-10-17 | ||
| US3712857A (en) * | 1968-05-20 | 1973-01-23 | Reynolds Metals Co | Method for controlling a reduction cell |
| US3625842A (en) * | 1968-05-24 | 1971-12-07 | Kaiser Aluminium Chem Corp | Alumina feed control |
| GB1294909A (de) * | 1970-06-01 | 1972-11-01 | ||
| RO59532A (de) * | 1970-10-13 | 1976-03-15 | ||
| US3812024A (en) * | 1972-03-20 | 1974-05-21 | Kaiser Aluminium Chem Corp | Control of an aluminum reduction cell |
| CH576530A5 (de) * | 1972-07-18 | 1976-06-15 | Alusuisse |
-
1974
- 1974-06-24 AT AT519274A patent/AT329893B/de not_active IP Right Cessation
- 1974-07-18 SE SE7409382A patent/SE7409382L/xx unknown
- 1974-07-23 IT IT25466/74A patent/IT1017368B/it active
- 1974-07-24 FR FR7425734A patent/FR2238775B1/fr not_active Expired
- 1974-07-24 NO NO742706A patent/NO742706L/no unknown
- 1974-07-25 US US05/491,699 patent/US4008142A/en not_active Expired - Lifetime
- 1974-07-25 GB GB3301274A patent/GB1473887A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1017368B (it) | 1977-07-20 |
| US4008142A (en) | 1977-02-15 |
| DE2337797A1 (de) | 1975-02-13 |
| AT329893B (de) | 1976-06-10 |
| FR2238775B1 (de) | 1978-01-20 |
| ATA519274A (de) | 1975-08-15 |
| GB1473887A (en) | 1977-05-18 |
| FR2238775A1 (de) | 1975-02-21 |
| DE2337797B2 (de) | 1975-10-30 |
| SE7409382L (de) | 1975-01-27 |
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