NO982803D0 - FremgangsmÕte og apparatur for regulering av driften av aluminiumsmelteceller - Google Patents

FremgangsmÕte og apparatur for regulering av driften av aluminiumsmelteceller

Info

Publication number
NO982803D0
NO982803D0 NO982803A NO982803A NO982803D0 NO 982803 D0 NO982803 D0 NO 982803D0 NO 982803 A NO982803 A NO 982803A NO 982803 A NO982803 A NO 982803A NO 982803 D0 NO982803 D0 NO 982803D0
Authority
NO
Norway
Prior art keywords
heat
cell
calculating
target
resistance
Prior art date
Application number
NO982803A
Other languages
English (en)
Norwegian (no)
Other versions
NO982803L (no
Inventor
Geoffrey I Blatch
Mark P Taylor
Mark Fyfe
Original Assignee
Camalco Alu
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
Publication of NO982803L publication Critical patent/NO982803L/no
Application filed by Camalco Alu filed Critical Camalco Alu
Publication of NO982803D0 publication Critical patent/NO982803D0/no

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Revetment (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Treatment Of Sludge (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
NO982803A 1989-02-24 1998-06-18 FremgangsmÕte og apparatur for regulering av driften av aluminiumsmelteceller NO982803D0 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ293889 1989-02-24

Publications (2)

Publication Number Publication Date
NO982803L NO982803L (no) 1990-08-27
NO982803D0 true NO982803D0 (no) 1998-06-18

Family

ID=3773750

Family Applications (1)

Application Number Title Priority Date Filing Date
NO982803A NO982803D0 (no) 1989-02-24 1998-06-18 FremgangsmÕte og apparatur for regulering av driften av aluminiumsmelteceller

Country Status (9)

Country Link
US (1) US5089093A (is)
EP (2) EP0671488A3 (is)
AT (1) ATE133721T1 (is)
BR (1) BR9000830A (is)
CA (1) CA2010322C (is)
DE (1) DE69025080D1 (is)
IS (1) IS3551A7 (is)
NO (1) NO982803D0 (is)
NZ (1) NZ232580A (is)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IS3943A (is) * 1991-11-07 1993-05-08 Comalco Aluminium Limited Forskautsker þar sem fram fer stöðug forbrennsla eða -herðing
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
NO311623B1 (no) * 1998-03-23 2001-12-17 Norsk Hydro As Fremgangsmåte for styring av aluminiumoksidtilförsel til elektrolyseceller for fremstilling av aluminium
US6136177A (en) * 1999-02-23 2000-10-24 Universal Dynamics Technologies Anode and cathode current monitoring
US6837982B2 (en) 2002-01-25 2005-01-04 Northwest Aluminum Technologies Maintaining molten salt electrolyte concentration in aluminum-producing electrolytic cell
RU2255149C1 (ru) * 2004-05-05 2005-06-27 Общество с ограниченной ответственностью "Инженерно-технологический центр" Способ управления алюминиевым электролизером при изменении скорости растворения глинозема
US7036097B1 (en) 2004-11-30 2006-04-25 Alcan International Limited Method for designing a cascade of digital filters for use in controling an electrolysis cell
WO2008002834A2 (en) * 2006-06-27 2008-01-03 Alcoa Inc. Systems and methods useful in controlling operations of metal electrolysis cells
US20100292825A1 (en) 2006-08-09 2010-11-18 Auckland Uniservices Limited Process control of an industrial plant
CA2671066C (en) * 2006-12-19 2016-07-26 Michael Schneller Aluminum production process control
EP2135975A1 (en) * 2008-06-16 2009-12-23 Alcan International Limited Method of producing aluminium in an electrolysis cell
CN102517610A (zh) * 2011-12-26 2012-06-27 贵阳铝镁设计研究院有限公司 铝电解槽炉帮形状在线监测系统
CN103628095A (zh) * 2013-11-29 2014-03-12 湖北迅迪科技有限公司 一种铝电解槽阴极电流在线监测装置
RU2593560C1 (ru) * 2015-03-25 2016-08-10 Общество с ограниченной ответственностью "Логическое управление алюминиевым электролизером" Способ управления алюминиевым электролизером по минимальной мощности
CN105463513B (zh) * 2015-05-28 2018-04-27 贵阳铝镁设计研究院有限公司 铝电解生产氧化铝浓度在线监测方法及其监测装置
EP3266904B1 (de) 2016-07-05 2021-03-24 TRIMET Aluminium SE Schmelzflusselektrolyseanlage und regelungsverfahren zu deren betrieb
US10627787B2 (en) * 2017-11-01 2020-04-21 International Business Machines Corporation Manufacturing process control based on multi-modality and multi-resolution time series data
CN108360020B (zh) * 2018-04-10 2020-03-06 中南大学 用于铝电解槽过程控制的低频槽噪声监测方法及设备
CN108914162B (zh) * 2018-08-07 2020-01-14 北方工业大学 一种氧化铝加料量控制方法及系统
CN109554728B (zh) * 2018-12-27 2021-04-27 中国神华能源股份有限公司 氧化铝电解控制方法、存储介质及电子设备
CN112210794B (zh) * 2019-07-10 2021-12-21 郑州轻冶科技股份有限公司 基于分子比的铝电解能量平衡调节方法、系统、铝电解槽
CN212655864U (zh) * 2019-07-10 2021-03-05 郑州轻冶科技股份有限公司 一种实现过热度控制的铝电解槽
CN110453248B (zh) * 2019-08-27 2021-03-02 神华准能资源综合开发有限公司 一种电解槽的热平衡调节装置及方法
CN110699709A (zh) * 2019-10-10 2020-01-17 重庆旗能电铝有限公司 一种铝电解单槽产铝量盘存方法
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
CN114182296A (zh) * 2020-09-12 2022-03-15 四川省平武锰业(集团)有限公司 一种制锰过程中的能耗监测与控制方法
CN116024614B (zh) * 2023-03-01 2024-01-30 湖南力得尔智能科技股份有限公司 一种基于工业网络的槽控机自动化节能控制系统

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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
US3660256A (en) * 1967-12-07 1972-05-02 Gen Electric Method and apparatus for aluminum potline control
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
US3622475A (en) 1968-08-21 1971-11-23 Reynolds Metals Co Reduction cell control system
US4035251A (en) 1968-08-21 1977-07-12 Reynolds Metals Company Method and apparatus for reduction cell control
US3632488A (en) * 1969-01-23 1972-01-04 Reynolds Metals Co Reduction cell control system
US3812024A (en) * 1972-03-20 1974-05-21 Kaiser Aluminium Chem Corp Control of an aluminum reduction cell
CH560765A5 (is) * 1972-07-18 1975-04-15 Alusuisse
CH576530A5 (is) 1972-07-18 1976-06-15 Alusuisse
US3878070A (en) 1972-10-18 1975-04-15 Southwire Co Apparatus for and method of producing metal
US4024034A (en) 1973-07-25 1977-05-17 Siemens Aktiengesellschaft Method for operating the furnaces of an electrolysis plant
AT329893B (de) 1973-07-25 1976-06-10 Vaw Ver Aluminium Werke Ag Verfahren und anordnung zum betrieb einer elektrolyseanlage, insbesondere einer aluminium-elektrolyseanlage
RO75812A (ro) 1974-06-05 1981-02-28 Aluminium Pechiney,Fr Procedeu pentru determinarea continua a resistentei interne a unei cuve de electroliza si instalatie pentru aplicarea procedeului
FR2487386A1 (fr) * 1980-07-23 1982-01-29 Pechiney Aluminium Procede et appareillage pour reguler de facon precise la cadence d'introduction et la teneur en alumine d'une cuve d'electrolyse ignee, et application a la production d'aluminium
US4333803A (en) 1980-10-03 1982-06-08 Aluminum Company Of America Method and apparatus for controlling the heat balance in aluminum reduction cells
JPS57181390A (en) 1981-04-28 1982-11-08 Mitsubishi Keikinzoku Kogyo Kk Measuring method for counter electromotive force of aluminum electrolytic cell
US4425201A (en) * 1982-01-27 1984-01-10 Reynolds Metals Company Method for improved alumina control in aluminum electrolytic cells
NO166821C (no) 1985-02-21 1991-09-04 Aardal & Sunndal Verk As Fremgangsmaate for styring av aluminiumoksyd-tilfoerselen til elektrolyseovner for fremstilling av aluminium.
FR2581660B1 (fr) 1985-05-07 1987-06-05 Pechiney Aluminium Procede de regulation precise d'une faible teneur en alumine dans une cuve d'electrolyse ignee pour la production d'aluminium
US4654130A (en) 1986-05-15 1987-03-31 Reynolds Metals Company Method for improved alumina control in aluminum electrolytic cells employing point feeders
US4814050A (en) * 1986-10-06 1989-03-21 Aluminum Company Of America Estimation and control of alumina concentration in hall cells

Also Published As

Publication number Publication date
BR9000830A (pt) 1991-02-05
NO982803L (no) 1990-08-27
US5089093A (en) 1992-02-18
NZ232580A (en) 1992-12-23
EP0671488A2 (en) 1995-09-13
DE69025080D1 (de) 1996-03-14
EP0671488A3 (en) 1996-01-17
CA2010322A1 (en) 1990-08-24
IS3551A7 (is) 1990-08-25
ATE133721T1 (de) 1996-02-15
EP0386899A3 (en) 1991-02-06
CA2010322C (en) 1998-08-18
EP0386899B1 (en) 1996-01-31
EP0386899A2 (en) 1990-09-12

Similar Documents

Publication Publication Date Title
NO982803D0 (no) FremgangsmÕte og apparatur for regulering av driften av aluminiumsmelteceller
US4814050A (en) Estimation and control of alumina concentration in hall cells
KR0128355B1 (ko) 금속을 용해하는 직류전기로
US3712857A (en) Method for controlling a reduction cell
KR20040019304A (ko) 전기분해에 있어서의 전류효율의 개선 방법
CA1109824A (en) Method of controlling feed of alumina to an aluminum electrolytic cell
US4654130A (en) Method for improved alumina control in aluminum electrolytic cells employing point feeders
BR9000249A (pt) Aparelho e metodo para ajustar a distancia entre um anodo e um catodo de celulas eletroliticas
US4045309A (en) Method for measuring and control of the energy in aluminum reduction cells
Potocnik et al. History of computer control of Aluminum reduction cells
US4395771A (en) Method and apparatus for controlling process of casting thin walled ingots using electroslag melting process
NO861806L (no) Fremgangsmaate for noeyaktig opprettholdelse av et lavt aluminiumoksydinnhold i en elektrolytisk celle.
RU2113552C1 (ru) Способ управления технологическим процессом в алюминиевом электролизере
US5294306A (en) Electrolytic removal of magnesium from molten aluminum
US4035268A (en) Process for the control of mercury cathode electrolysis cells
US3859184A (en) Method of operation of a cell for recovery of aluminium byelectrolysis of aluminium oxide in a fluoride melt
RU2087598C1 (ru) Способ управления технологическим процессом в алюминиевом электролизере
SU742491A1 (ru) Способ автоматического регулировани алюминиевых электролизеров
SU1640204A1 (ru) Способ контрол межэлектродного рассто ни
RU2227167C1 (ru) Способ контроля и регулирования межэлектродного промежутка в процессе вакуумной дуговой плавки и устройство для его осуществления
SU926080A1 (ru) Способ автоматического регулировани алюминиевого электролизера
JPH0715159B2 (ja) 電解槽内の蛇行追従制御装置
SU426967A1 (ru) Способ регулирования напряжения электролизера с ртутным катодом
RU2080420C1 (ru) Способ контроля технологического состояния алюминиевого электролизера
SU487956A1 (ru) Способ контрол теплового режима алюминиевого электролизера по температуре электролита