HU187339B - Process and apparatus for correct filling and controlling correct doses of alumina for electrolyzing furnace of hot process, and process for producing aluminium - Google Patents
Process and apparatus for correct filling and controlling correct doses of alumina for electrolyzing furnace of hot process, and process for producing aluminium Download PDFInfo
- Publication number
- HU187339B HU187339B HU812155A HU215581A HU187339B HU 187339 B HU187339 B HU 187339B HU 812155 A HU812155 A HU 812155A HU 215581 A HU215581 A HU 215581A HU 187339 B HU187339 B HU 187339B
- Authority
- HU
- Hungary
- Prior art keywords
- internal resistance
- alumina
- addition
- furnace
- rate
- Prior art date
Links
- 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 105
- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000008569 process Effects 0.000 title claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 title abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract description 15
- 239000004411 aluminium Substances 0.000 title abstract 2
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 52
- 229910001610 cryolite Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000003792 electrolyte Substances 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 18
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 12
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 11
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 11
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- -1 magnesium halide Chemical class 0.000 claims description 3
- 159000000003 magnesium salts Chemical class 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims 1
- 238000005269 aluminizing Methods 0.000 claims 1
- 238000007743 anodising Methods 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 150000003841 chloride salts Chemical class 0.000 claims 1
- 229910003002 lithium salt Inorganic materials 0.000 claims 1
- 159000000002 lithium salts Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000009626 Hall-Héroult process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method 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
-
- 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
- C25C3/14—Devices for feeding or crust breaking
-
- 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Duct Arrangements (AREA)
- Paper (AREA)
- Liquid Crystal Substances (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Chemical Treatment Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Ceramic Products (AREA)
- Insulators (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8016406A FR2487386A1 (fr) | 1980-07-23 | 1980-07-23 | 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU187339B true HU187339B (en) | 1985-12-28 |
Family
ID=9244521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU812155A HU187339B (en) | 1980-07-23 | 1981-07-23 | Process and apparatus for correct filling and controlling correct doses of alumina for electrolyzing furnace of hot process, and process for producing aluminium |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4431491A (enExample) |
| EP (1) | EP0044794B1 (enExample) |
| JP (1) | JPS6037197B2 (enExample) |
| KR (1) | KR850001767B1 (enExample) |
| AT (1) | ATE10514T1 (enExample) |
| AU (1) | AU549056B2 (enExample) |
| BR (1) | BR8104735A (enExample) |
| CA (1) | CA1157803A (enExample) |
| DE (1) | DE3167452D1 (enExample) |
| ES (2) | ES504180A0 (enExample) |
| FR (1) | FR2487386A1 (enExample) |
| GB (1) | GB2080830B (enExample) |
| GR (1) | GR74283B (enExample) |
| HU (1) | HU187339B (enExample) |
| IN (1) | IN154431B (enExample) |
| NO (1) | NO157906C (enExample) |
| NZ (1) | NZ197748A (enExample) |
| OA (1) | OA06862A (enExample) |
| PL (1) | PL134831B1 (enExample) |
| RO (1) | RO82685B (enExample) |
| SK (1) | SK278294B6 (enExample) |
| YU (1) | YU44417B (enExample) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2527647A1 (fr) * | 1982-05-27 | 1983-12-02 | Pechiney Aluminium | Dispositif amovible d'alimentation ponctuelle en alumine d'une cuve d'electrolyse pour la production d'aluminium |
| DE3305236C2 (de) * | 1983-02-10 | 1985-11-21 | Schweizerische Aluminium Ag, Chippis | Vorrichtung zur Steuerung einer Einschlagvorrichtung einer Schmelzflußelektrolysezelle und Verfahren zum Betreiben der Vorrichtung |
| NO166821C (no) * | 1985-02-21 | 1991-09-04 | Aardal & Sunndal Verk As | Fremgangsmaate for styring av aluminiumoksyd-tilfoerselen til elektrolyseovner for fremstilling av aluminium. |
| DE3564825D1 (en) * | 1985-03-18 | 1988-10-13 | Alcan Int Ltd | Controlling alf 3 addition to al reduction cell electrolyte |
| 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 |
| FR2605410B1 (fr) * | 1986-10-17 | 1988-11-25 | Pechiney Aluminium | Procede et dispositif de mesure electrochimique de la concentration en ions oxyde dans un bain a base d'halogenures fondus |
| US4752362A (en) * | 1987-01-27 | 1988-06-21 | Aluminum Company Of America | Detecting and estimating shorting phenomena in hall cells and control of cell anodes in response thereto |
| ATE133721T1 (de) | 1989-02-24 | 1996-02-15 | Comalco Alu | Kontrollverfahren für aluminium-schmelzflussöfen |
| JPH06501742A (ja) * | 1990-10-05 | 1994-02-24 | ポートランド・スメルター・サービシズ・プロプライアタリー・リミテッド | アルミナを制御しながら供給するための装置 |
| ES2100543T3 (es) * | 1992-07-14 | 1997-06-16 | Portland Smelter Serv Pty | Aparato para el suministro de alumina para un fundidor electrolitico. |
| DE4443225C2 (de) * | 1994-12-05 | 2000-08-24 | Hamburger Aluminium Werk Gmbh | Verfahren zum Regeln der Al¶2¶O¶3¶-Konzentration bei der Erzeugung von Aluminium |
| 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 |
| NO311623B1 (no) * | 1998-03-23 | 2001-12-17 | Norsk Hydro As | Fremgangsmåte for styring av aluminiumoksidtilförsel til elektrolyseceller for fremstilling av aluminium |
| RU2220231C2 (ru) * | 1999-06-10 | 2003-12-27 | Норск Хюдро Аса | Способ управления подачей оксида алюминия в электролитические ячейки для получения алюминия |
| RU2189403C2 (ru) * | 2000-12-05 | 2002-09-20 | Закрытое акционерное общество "ТоксСофт" | Способ управления электролизерами для получения алюминия и устройство для его осуществления |
| FR2821364B1 (fr) * | 2001-02-28 | 2004-04-09 | Pechiney Aluminium | Procede de regulation d'une cellule d'electrolyse |
| AUPR443901A0 (en) * | 2001-04-10 | 2001-05-17 | Bhp Innovation Pty Ltd | Method for reduction of metal oxides to pure metals |
| RU2204629C1 (ru) * | 2001-12-28 | 2003-05-20 | Закрытое акционерное общество "ТоксСофт" | Способ управления технологическим процессом в алюминиевом электролизере |
| US6837982B2 (en) | 2002-01-25 | 2005-01-04 | Northwest Aluminum Technologies | Maintaining molten salt electrolyte concentration in aluminum-producing electrolytic cell |
| RU2237753C2 (ru) * | 2002-11-04 | 2004-10-10 | Открытое акционерное общество "Всероссийский алюминиево-магниевый институт" | Способ управления процессом электролитического получения алюминия |
| RU2251592C2 (ru) * | 2003-02-03 | 2005-05-10 | Открытое акционерное общество "ВСЕРОССИЙСКИЙ АЛЮМИНИЕВО-МАГНИЕВЫЙ ИНСТИТУТ" ОАО "ВАМИ" | Устройство дозирования сырья алюминиевого электролизера |
| RU2233914C1 (ru) * | 2003-04-29 | 2004-08-10 | Общество с ограниченной ответственностью "Инженерно-технологический центр" | Способ управления подачей глинозема в электролизер при помощи точечных питателей |
| RU2255149C1 (ru) * | 2004-05-05 | 2005-06-27 | Общество с ограниченной ответственностью "Инженерно-технологический центр" | Способ управления алюминиевым электролизером при изменении скорости растворения глинозема |
| RU2284378C1 (ru) * | 2005-06-22 | 2006-09-27 | Общество с ограниченной ответственностью "Инженерно-технологический центр" | Автономный измерительный блок для асу тп электролиза алюминия |
| RU2295590C1 (ru) * | 2005-08-09 | 2007-03-20 | Общество с ограниченной ответственностью "Инженерно-технологический центр" | Способ статистического управления качеством электродной продукции |
| RU2299932C1 (ru) * | 2005-11-22 | 2007-05-27 | Государственное образовательное учреждение высшего профессионального образования Красноярский государственный технический университет (КГТУ) | Способ контроля производительности электролизных ванн |
| RU2307881C1 (ru) * | 2005-12-22 | 2007-10-10 | Общество с ограниченной ответственностью "Русская инжиниринговая компания" | Способ автоматического контроля технологического состояния алюминиевого электролизера |
| RU2301288C1 (ru) * | 2006-01-10 | 2007-06-20 | Александр Иванович Громыко | Устройство контроля технологических параметров алюминиевых электролизеров |
| EP2135975A1 (en) | 2008-06-16 | 2009-12-23 | Alcan International Limited | Method of producing aluminium in an electrolysis cell |
| US7915550B2 (en) * | 2008-06-17 | 2011-03-29 | Mac Valves, Inc. | Pneumatic system electrical contact device |
| US8367953B2 (en) * | 2008-06-17 | 2013-02-05 | Mac Valves, Inc. | Pneumatic system electrical contact device |
| US9719180B2 (en) * | 2013-12-17 | 2017-08-01 | Control Automation, Llc | Dose meter for crust punch and alumina dispenser |
| CN106460210B (zh) * | 2014-06-19 | 2019-01-11 | 俄铝工程技术中心有限责任公司 | 用于控制向用于生产铝的电解池进料铝的方法 |
| EP3266904B1 (de) | 2016-07-05 | 2021-03-24 | TRIMET Aluminium SE | Schmelzflusselektrolyseanlage und regelungsverfahren zu deren betrieb |
| FR3065969B1 (fr) | 2017-05-03 | 2019-07-19 | Laurent Michard | Procede de pilotage d'une cuve d'electrolyse de l'aluminium |
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3371026A (en) * | 1964-02-04 | 1968-02-27 | Reynolds Metals Co | Electrolytic reduction cell with crustbreaking and ore feeding means |
| FR1457746A (fr) * | 1964-09-29 | 1966-01-24 | Reynolds Metals Co | Perfectionnements apportés aux moyens de commande pour cuves de réduction |
| US3660256A (en) * | 1967-12-07 | 1972-05-02 | Gen Electric | Method and apparatus for aluminum potline control |
| US3616316A (en) * | 1968-01-19 | 1971-10-26 | Reynolds Metals Co | Reduction cell control system |
| US3712857A (en) * | 1968-05-20 | 1973-01-23 | Reynolds Metals Co | Method for controlling a reduction cell |
| US3622475A (en) * | 1968-08-21 | 1971-11-23 | Reynolds Metals Co | Reduction cell control system |
| US3847761A (en) * | 1972-04-06 | 1974-11-12 | Aluminum Co Of America | Bath control |
| JPS548109A (en) * | 1977-06-22 | 1979-01-22 | Mitsubishi Keikinzoku Kogyo | Controlling method of feeding alumina into aluminum electrolytic bath |
-
1980
- 1980-07-23 FR FR8016406A patent/FR2487386A1/fr active Granted
-
1981
- 1981-06-12 IN IN638/CAL/81A patent/IN154431B/en unknown
- 1981-07-15 DE DE8181420104T patent/DE3167452D1/de not_active Expired
- 1981-07-15 YU YU1745/81A patent/YU44417B/xx unknown
- 1981-07-15 AT AT81420104T patent/ATE10514T1/de not_active IP Right Cessation
- 1981-07-15 EP EP81420104A patent/EP0044794B1/fr not_active Expired
- 1981-07-16 SK SK5450-81A patent/SK278294B6/sk unknown
- 1981-07-17 NZ NZ197748A patent/NZ197748A/en unknown
- 1981-07-17 OA OA57453A patent/OA06862A/xx unknown
- 1981-07-20 PL PL1981232287A patent/PL134831B1/pl unknown
- 1981-07-20 GR GR65562A patent/GR74283B/el unknown
- 1981-07-20 US US06/284,812 patent/US4431491A/en not_active Expired - Lifetime
- 1981-07-21 RO RO104942A patent/RO82685B/ro unknown
- 1981-07-22 CA CA000382300A patent/CA1157803A/fr not_active Expired
- 1981-07-22 GB GB8122533A patent/GB2080830B/en not_active Expired
- 1981-07-22 BR BR8104735A patent/BR8104735A/pt not_active IP Right Cessation
- 1981-07-22 AU AU73198/81A patent/AU549056B2/en not_active Expired
- 1981-07-22 NO NO812512A patent/NO157906C/no unknown
- 1981-07-22 ES ES504180A patent/ES504180A0/es active Granted
- 1981-07-22 JP JP56115004A patent/JPS6037197B2/ja not_active Expired
- 1981-07-23 HU HU812155A patent/HU187339B/hu not_active IP Right Cessation
- 1981-07-23 KR KR1019810002673A patent/KR850001767B1/ko not_active Expired
-
1982
- 1982-08-12 ES ES514946A patent/ES8306192A1/es not_active Expired
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| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |