BRPI0820426A2 - Método e dispositivo para controlar uma célula eletrolítica - Google Patents

Método e dispositivo para controlar uma célula eletrolítica

Info

Publication number
BRPI0820426A2
BRPI0820426A2 BRPI0820426-8A BRPI0820426A BRPI0820426A2 BR PI0820426 A2 BRPI0820426 A2 BR PI0820426A2 BR PI0820426 A BRPI0820426 A BR PI0820426A BR PI0820426 A2 BRPI0820426 A2 BR PI0820426A2
Authority
BR
Brazil
Prior art keywords
controlling
electrolytic cell
electrolytic
cell
Prior art date
Application number
BRPI0820426-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Steinar Koläs
Original Assignee
Norsk Hydro As
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Norsk Hydro As filed Critical Norsk Hydro As
Publication of BRPI0820426A2 publication Critical patent/BRPI0820426A2/pt

Links

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)
BRPI0820426-8A 2007-11-19 2008-11-12 Método e dispositivo para controlar uma célula eletrolítica BRPI0820426A2 (pt)

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 (en) 2007-11-19 2008-11-12 Method and means for controlling an electrolysis cell

Publications (1)

Publication Number Publication Date
BRPI0820426A2 true BRPI0820426A2 (pt) 2015-05-19

Family

ID=40667707

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0820426-8A BRPI0820426A2 (pt) 2007-11-19 2008-11-12 Método e dispositivo para controlar uma célula eletrolítica

Country Status (11)

Country Link
EP (1) EP2212751B1 (zh)
CN (1) CN101868765B (zh)
AR (1) AR069355A1 (zh)
AU (1) AU2008326931B2 (zh)
BR (1) BRPI0820426A2 (zh)
CA (1) CA2704551C (zh)
EA (1) EA018248B1 (zh)
NO (1) NO328080B1 (zh)
NZ (1) NZ585470A (zh)
WO (1) WO2009067019A1 (zh)
ZA (1) ZA201003134B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
CA3033192C (en) * 2016-08-12 2023-06-06 Boston Electrometallurgical Corporation Leak free current collector assemblage for metallurgical vessel and methods of manufacture
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 (en) * 2019-03-16 2020-09-24 General Electric Company System and method for controlling of smelting pot line
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 (en) * 2021-12-16 2023-06-21 Abb Schweiz Ag Establishing or improving a simulation model of an electrolyzer plant

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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
CA2230564A1 (en) * 1995-09-01 1997-03-13 Auckland Uniservices Limited Measurement of alumina in reduction pots
FR2749858B1 (fr) * 1996-06-17 1998-07-24 Pechiney Aluminium Procede de regulation de la teneur en alumine du bain des cuves d'electrolyse pour la production d'aluminium
CA2230882C (en) * 1997-03-14 2004-08-17 Dubai Aluminium Company Limited Intelligent control of aluminium reduction cells using predictive and pattern recognition techniques
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
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
EP2212751A4 (en) 2013-01-23
CN101868765A (zh) 2010-10-20
AR069355A1 (es) 2010-01-13
WO2009067019A1 (en) 2009-05-28
CN101868765B (zh) 2014-07-09
NZ585470A (en) 2012-05-25
AU2008326931A1 (en) 2009-05-28
EA018248B1 (ru) 2013-06-28
EA201000833A1 (ru) 2010-12-30
NO328080B1 (no) 2009-11-30
NO20075933L (no) 2009-05-20
ZA201003134B (en) 2011-04-28
CA2704551C (en) 2016-08-23
CA2704551A1 (en) 2009-05-28
EP2212751B1 (en) 2018-07-04
EP2212751A1 (en) 2010-08-04
AU2008326931B2 (en) 2013-01-10

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Legal Events

Date Code Title Description
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]