EA018248B1 - Способ и средство управления электролизером - Google Patents
Способ и средство управления электролизером Download PDFInfo
- Publication number
- EA018248B1 EA018248B1 EA201000833A EA201000833A EA018248B1 EA 018248 B1 EA018248 B1 EA 018248B1 EA 201000833 A EA201000833 A EA 201000833A EA 201000833 A EA201000833 A EA 201000833A EA 018248 B1 EA018248 B1 EA 018248B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- variables
- future
- values
- input data
- control
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 189
- 238000005868 electrolysis reaction Methods 0.000 title abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 165
- 238000005259 measurement Methods 0.000 claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000004886 process control Methods 0.000 claims abstract description 10
- 238000005312 nonlinear dynamic Methods 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000011156 evaluation Methods 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 12
- 230000006870 function Effects 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 9
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 238000013021 overheating Methods 0.000 description 5
- 238000004422 calculation algorithm Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000013178 mathematical model Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 229910001610 cryolite Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
- Feedback Control In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20075933A NO328080B1 (no) | 2007-11-19 | 2007-11-19 | Fremgangsmate og anordning for styring av en elektrolysecelle |
| PCT/NO2008/000402 WO2009067019A1 (fr) | 2007-11-19 | 2008-11-12 | Procédé et moyens pour commander une cellule électrolytique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201000833A1 EA201000833A1 (ru) | 2010-12-30 |
| EA018248B1 true EA018248B1 (ru) | 2013-06-28 |
Family
ID=40667707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201000833A EA018248B1 (ru) | 2007-11-19 | 2008-11-12 | Способ и средство управления электролизером |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP2212751B1 (fr) |
| CN (1) | CN101868765B (fr) |
| AR (1) | AR069355A1 (fr) |
| AU (1) | AU2008326931B2 (fr) |
| BR (1) | BRPI0820426A2 (fr) |
| CA (1) | CA2704551C (fr) |
| EA (1) | EA018248B1 (fr) |
| NO (1) | NO328080B1 (fr) |
| NZ (1) | NZ585470A (fr) |
| WO (1) | WO2009067019A1 (fr) |
| ZA (1) | ZA201003134B (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1401233B1 (it) * | 2010-07-14 | 2013-07-12 | Danieli Automation Spa | Dispositivo per la rilevazione di livello in una attrezzatura di colata e relativo procedimento di rilevazione. |
| US9121104B2 (en) * | 2011-01-31 | 2015-09-01 | Alcoa Inc. | Systems and methods for determining alumina properties |
| US20130024179A1 (en) * | 2011-07-22 | 2013-01-24 | General Electric Company | Model-based approach for personalized equipment degradation forecasting |
| GB201602613D0 (en) * | 2016-02-15 | 2016-03-30 | Dubai Aluminium Pjsc And Newsouth Innovations Pty Ltd | Method for estimating dynamic state variables in an electrolytic cell suitable for the Hall-Héroult electrolysis process |
| KR102492794B1 (ko) * | 2016-08-12 | 2023-01-27 | 보스톤 일렉트로메탈러지칼 코포레이션 | 야금 용기의 무-누설 전류 수집기 어셈블리지 및 제조 방법 |
| US9996074B2 (en) | 2016-09-21 | 2018-06-12 | International Business Machines Corporation | System and predictive modeling method for smelting process control based on multi-source information with heterogeneous relatedness |
| NO20181482A1 (en) | 2018-11-20 | 2020-05-21 | Norsk Hydro As | Method and system for controlling suction of off-gases from electrolysis cells |
| WO2020190271A1 (fr) * | 2019-03-16 | 2020-09-24 | General Electric Company | Système et procédé de commande de conduite de creuset de fusion |
| CN112239873B (zh) * | 2019-07-19 | 2021-10-01 | 郑州轻冶科技股份有限公司 | 一种铝电解工艺参数优化方法以及铝电解槽组 |
| CN114123238B (zh) * | 2021-11-12 | 2023-09-22 | 国网江苏省电力有限公司营销服务中心 | 一种电解铝负荷参与电力系统调频的卡尔曼滤波控制方法 |
| EP4198655A1 (fr) * | 2021-12-16 | 2023-06-21 | Abb Schweiz Ag | Établissement ou amélioration d'un modèle de simulation d'une installation d'électrolyseur |
| CN115558961B (zh) * | 2022-10-13 | 2026-03-17 | 中国科学院深圳先进技术研究院 | 一种控制氟化铝添加量的方法及装置 |
| DE102024114720A1 (de) | 2024-05-24 | 2025-11-27 | Rolls-Royce Solutions GmbH | Verfahren zum Betreiben einer Leistungsvorrichtung, Computerprogramm sowie Steuervorrichtung zur Durchführung eines solchen Verfahrens und Leistungsanordnung mit einer solchen Steuervorrichtung |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997009468A1 (fr) * | 1995-09-01 | 1997-03-13 | Auckland Uniservices Limited | Mesure de la concentration d'oxyde d'aluminium dans des creusets de reduction |
| US6033550A (en) * | 1996-06-17 | 2000-03-07 | Aluminium Pechiney | Process for controlling the alumina content of the bath in electrolysis cells for aluminum production |
| US6609119B1 (en) * | 1997-03-14 | 2003-08-19 | Dubai Aluminium Company Limited | Intelligent process control using predictive and pattern recognition techniques |
| US20070225835A1 (en) * | 2006-03-23 | 2007-09-27 | Yucai Zhu | Computer method and apparatus for adaptive model predictive control |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO166821C (no) | 1985-02-21 | 1991-09-04 | Aardal & Sunndal Verk As | Fremgangsmaate for styring av aluminiumoksyd-tilfoerselen til elektrolyseovner for fremstilling av aluminium. |
| US4814050A (en) | 1986-10-06 | 1989-03-21 | Aluminum Company Of America | Estimation and control of alumina concentration in hall cells |
| US6757579B1 (en) | 2001-09-13 | 2004-06-29 | Advanced Micro Devices, Inc. | Kalman filter state estimation for a manufacturing system |
| US7272454B2 (en) * | 2003-06-05 | 2007-09-18 | Fisher-Rosemount Systems, Inc. | Multiple-input/multiple-output control blocks with non-linear predictive capabilities |
-
2007
- 2007-11-19 NO NO20075933A patent/NO328080B1/no unknown
-
2008
- 2008-11-12 AU AU2008326931A patent/AU2008326931B2/en active Active
- 2008-11-12 BR BRPI0820426-8A patent/BRPI0820426A2/pt not_active Application Discontinuation
- 2008-11-12 EA EA201000833A patent/EA018248B1/ru not_active IP Right Cessation
- 2008-11-12 CN CN200880116702.9A patent/CN101868765B/zh active Active
- 2008-11-12 NZ NZ585470A patent/NZ585470A/en unknown
- 2008-11-12 CA CA2704551A patent/CA2704551C/fr active Active
- 2008-11-12 WO PCT/NO2008/000402 patent/WO2009067019A1/fr not_active Ceased
- 2008-11-12 EP EP08852151.3A patent/EP2212751B1/fr active Active
- 2008-11-18 AR ARP080105014 patent/AR069355A1/es active IP Right Grant
-
2010
- 2010-05-04 ZA ZA2010/03134A patent/ZA201003134B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997009468A1 (fr) * | 1995-09-01 | 1997-03-13 | Auckland Uniservices Limited | Mesure de la concentration d'oxyde d'aluminium dans des creusets de reduction |
| US6033550A (en) * | 1996-06-17 | 2000-03-07 | Aluminium Pechiney | Process for controlling the alumina content of the bath in electrolysis cells for aluminum production |
| US6609119B1 (en) * | 1997-03-14 | 2003-08-19 | Dubai Aluminium Company Limited | Intelligent process control using predictive and pattern recognition techniques |
| US20070225835A1 (en) * | 2006-03-23 | 2007-09-27 | Yucai Zhu | Computer method and apparatus for adaptive model predictive control |
Also Published As
| Publication number | Publication date |
|---|---|
| NO328080B1 (no) | 2009-11-30 |
| AU2008326931B2 (en) | 2013-01-10 |
| AU2008326931A1 (en) | 2009-05-28 |
| CN101868765B (zh) | 2014-07-09 |
| WO2009067019A1 (fr) | 2009-05-28 |
| EP2212751A1 (fr) | 2010-08-04 |
| CN101868765A (zh) | 2010-10-20 |
| EP2212751B1 (fr) | 2018-07-04 |
| NZ585470A (en) | 2012-05-25 |
| NO20075933L (no) | 2009-05-20 |
| CA2704551C (fr) | 2016-08-23 |
| BRPI0820426A2 (pt) | 2015-05-19 |
| EA201000833A1 (ru) | 2010-12-30 |
| AR069355A1 (es) | 2010-01-13 |
| CA2704551A1 (fr) | 2009-05-28 |
| EP2212751A4 (fr) | 2013-01-23 |
| ZA201003134B (en) | 2011-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EA018248B1 (ru) | Способ и средство управления электролизером | |
| EP0671488A2 (fr) | Procédé de contrôle de cuves d'électrolyse d'aluminium | |
| WO1999026118A1 (fr) | Systeme de commande automatique pour procede unitaire | |
| Shi et al. | Advanced model-based estimation and control of alumina concentration in an aluminum reduction cell | |
| CN118068871A (zh) | 水库智能水位调整方法 | |
| CN118147707A (zh) | 铝电解槽运行状态判断方法、系统及电子设备 | |
| Kolås et al. | A nonlinear model based control strategy for the aluminium electrolysis process | |
| Dupuis | Thermo-electric design of a 400 kA cell using mathematical models: a tutorial | |
| Dion et al. | Preventive treatment of anode effects using on-line individual anode current monitoring | |
| Drengstig et al. | On the AlF/sub 3/and temperature control of an aluminum electrolysis cell | |
| Manolescu et al. | Estimation of net carbon consumption in aluminum electrolysis using multivariate analysis | |
| CN103954522A (zh) | 一种铝电解过程电解质分子比的测量方法 | |
| Shi et al. | Advanced monitoring and control of alumina concentration in aluminum smelting cells | |
| Chen et al. | Anode effect prediction based on collaborative two-dimensional forecast model in aluminum electrolysis production. | |
| AU2002242786B2 (en) | Method for regulating an electrolysis cell | |
| Kolås | Defining and verifying the “correlation line” in aluminum electrolysis | |
| CN111462830A (zh) | 一种基于电解铝工艺模型的状态观测方法 | |
| Ma et al. | H∞ Filter-based Alumina Concentration Estimation for an Aluminium Smelting Process | |
| Xu et al. | A ALO-LSSVM Model for the Cell Voltage Optimization in Aluminum Electrolysis Process | |
| Gudbrandsen et al. | Field study of the anodic overvoltage in prebaked anode cells | |
| Dion et al. | Sodium content in aluminum and current efficiency—correlation through multivariate analysis | |
| WO2020190271A1 (fr) | Système et procédé de commande de conduite de creuset de fusion | |
| Zeng et al. | Design and application of multidimensional decision system for aluminum electrolysis | |
| Vagaská et al. | Application of Nonlinear Programming Methods in Optimization of Surface Treatment Processes | |
| Moreira et al. | Observer based predictive controller for Hall-Heroult process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KG MD TM |