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US3775280A - System of current-supply buses in aluminum-producing electrolyzers - Google Patents

System of current-supply buses in aluminum-producing electrolyzers Download PDF

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Publication number
US3775280A
US3775280A US00172422A US3775280DA US3775280A US 3775280 A US3775280 A US 3775280A US 00172422 A US00172422 A US 00172422A US 3775280D A US3775280D A US 3775280DA US 3775280 A US3775280 A US 3775280A
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Prior art keywords
electrolyzers
current
row
electrolyzer
stacks
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US00172422A
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English (en)
Inventor
V Nikiforov
N Budkevich
S Gefter
S Evdokimov
I Kil
V Ryabov
A Smorodinov
I Tsybukov
A Tsyplakov
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    • 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
    • C25C3/16—Electric current supply devices, e.g. bus bars

Definitions

  • Moskovsky prospekt 205, kv. 432; Nikolai Pavlovich Budkevich, Belgradskaya ulitsa, 38, korpus 5, kv. 40; Semen Emilievich Gefter, ulitsa Chaikovskogo, l8, kv. 6; Svetozar Vladimirovich Evdokimov, Lesnoi prospekt, 13/8, kv. 5; Ilya Genrikhovich Kil, Gavanskaya ulitsa, 37, kv. 61; Valentin IgnatievichRyabov, prospekt Nauki, l2, kv. 208; Alexandr Nikolaevich Smorodinov, Bukharestskaya ulitsa,
  • ABSTRACT A system of current-supply buses in aluminum-' producing electrolyzers located at the beginning and at the end of a group of electrolyzers arranged lengthwise in a row, incorporates stacks of cathode buses'located at the left and at the right with respect to a longitudinal axis of the row of electrolyzers along the direction of the current flow through the electrolyzers.
  • the system includes at least two rows of seriesconnected electrolyzers, and according to the invention, the left and the right cathode stacks in each of the electrolyzers located at the end of the row at the current outlet, include portions running along the transverse wall of the electrolyzers towards the longitudinal axis thereof and continuing portions running along said axis, whereas the left cathode stack at the current inlet into the electrolyzers located at the beginning of each row, is arranged symmetrically with the left cathode stack at the current outlet from the electrolyzer located at the end of the row.
  • Bx denotes the longitudinal component of magnetic field
  • Bz denotes the vertical component of magnetic field.
  • the afore-specified requirements imply the symmetry of the cross magnetic field, invariability of the values By and Bx along the axes of an electrolyzer and the requirement of a maximum possible diminishing of the absolute values of B2 effective at the electrolyzer corners, as well as the symmetry of the vertical magnetic field with respect to the electrolyzer axes.
  • a characteristic feature of said end electrolyzers resides in the fact that they neighbour upon the adjacent electrolyzers on one side only. Besides, magnetic field established by the currents flowing along the opposite row of electrolyzers (with the. double-row arrangement of electrolyzers in a production room) is in this case somewhat lower.
  • magnetic field effective in the liquid metal of the electrolyzers located at the beginning and at the end of a row gets unsymmetrical which, in turn, exerts a pronounced influence upon the working characteristics of said electrolyzers which is evidenced by the production experience.
  • the present invention is directed to the development of a system of current-supply buses for aluminiumproducing electrolyzers located at the beginning and at the end of a row of electrolyzers arranged lengthwise; the system which features such. a position of the cathode buses with respect to the electrolyzer longitudinal axis that ensures the symmetry of the magnetic field and conducts to ensure higher production efficiency of the electrolyzer.
  • Such an embodiment of the current-carrying buses of the electrolyzer provides for a higher current yield, this being due to the establishing of a symmetrical magnetic field, mostly along the vertical component thereof.
  • L.I-I. and the RH. cathode stacks of the system of buses in each electrolyzer located at the end of the row at the current outlet, as well as the L.I-I. and the RH. cathode stacks at the current inlet into the electrolyzer at the beginning of the row be positioned at the same level.
  • stack 4 of cathode buses in each electrolyzer 2 located at the end of the row at the current outlet run lengthwise in the direction of the electrolyzer transverse wall towards the longitudinal axis thereof and, further, lengthwise said wall, whereas the LB. stack 5 at the current inlet into the electrolyzer 1 located at the beginning of each row, is arranged symmetrically with the L.I-I. stack 3 at the current outlet from the electrolyzer 2 located at the end of the row.
  • the I...H. stack 3 and the RH. stack 4 of cathode buses in each electrolyzer 2 located at the end of the row at the current outlet, and the L.H. stack 5 and the RH. stack 6 of cathode buses at the current inlet into the electrolyzer 1 located at the beginning of the row may be located at the same level.
  • the electrolyzers are arranged in two rows which are spaced from each other.
  • the system of current-supply buses of the electrolyzers 1' and 2' which are located at the ends of the first row is similar to that of the electrolyzers l and 2 located extremely in the second row, therefore the description given below refers only to only one set of electrolyzers i.e., electrolyzers l and 2.
  • Each of the stacks 3 and 4 has sections located downstream the electrolyzer 2 at the current outlet therefrom and running in the direction of the transverse wall thereof, whereas upstream the electrolyzer 1 at the current inlet therein only the stack 5 has such a section.
  • the magnetic field produced by the currents passing along these stacks is effective to counteract the asymmetry of the vertical component 82 in the molten metal of the electrolyzer to which pertains the aforesaid stacks.
  • Equalization of the magnetic field of the electrolyzer 1 located at the beginning of the row due to a varied position of the stack 5 and equalization of the magnetic field of the electrolyzer 2 located at the end of the row clue to a varied position of the stacks 3 and 4 are attributed to the fact that the electrolyzer 1 at the current inlet and the electrolyzer 2 at the current outlet are provided respectively with risers 9, 10 and 7, 8 through the horizontal portion of which currents of different magnitudes are passing, as well as due to the provision of a busduct 11 running from one row of electrolyzers to the other.
  • the division of the magnitudes of current as a percentage of the total current magnitude as falling within the risers may range in the following limits riser 7 0 to 15 percent,
  • a system of current-supply buses in aluminumproducing electrolyzers having transverse walls and located at the beginning and at the end of a plurality of series-econnected electrolyzers arranged in at least two rows along spaced longitudinal axes, said system comprising: left and right stacks of cathode buses located at the left and at the right with respect to each of said longitudinal axes of said electrolyzers viewing in the direction of current flow through the electrolyzers, said left and right stacks in each of said electrolyzers located at the end of each said row at the current outlet including portions which run lengthwise of the transverse wall of said electrolyzer towards the longitudinal axis thereof and continuing portions running lengthwise of the corresponding longitudinal axis, whereas the left stack of current supply bus at the current inlet into said electrolyzer located at the beginning of each row has a configuration symmetrical with said left stack located at the current outlet from said electrolyzer located at the end of the row.

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  • 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)
  • Tires In General (AREA)
US00172422A 1971-01-27 1971-08-17 System of current-supply buses in aluminum-producing electrolyzers Expired - Lifetime US3775280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7101615566A SU327836A1 (ru) 1971-01-27 1971-01-27 Ошиновка торцовых алюминиевых электролизеров

Publications (1)

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US3775280A true US3775280A (en) 1973-11-27

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US00172422A Expired - Lifetime US3775280A (en) 1971-01-27 1971-08-17 System of current-supply buses in aluminum-producing electrolyzers

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US (1) US3775280A (no)
CA (1) CA974930A (no)
DE (1) DE2139527C3 (no)
EG (1) EG10469A (no)
FR (1) FR2123247B1 (no)
NO (1) NO130121C (no)
SU (1) SU327836A1 (no)
TR (1) TR19172A (no)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169034A (en) * 1978-05-11 1979-09-25 Aluminium Pechiney Means of compensating the magnetic field induced by the adjacent line in series of high intensity electrolysis cells
US4189368A (en) * 1978-04-18 1980-02-19 Vsesojuzny Nauchno-Issledovatelsky I Proektny Institut Aljuminievoi, Magnievoi I Elektrodnoi Promyshlennosti System of busbars for aluminium-producing electrolyzers
US4211626A (en) * 1978-06-07 1980-07-08 Kaluzhsky Nikolai A Dual current supply system for aluminum-producing electrolyzers
US4224127A (en) * 1978-08-04 1980-09-23 Swiss Aluminium Ltd. Electrolytic reduction cell with compensating components in its magnetic field
AU609606B2 (en) * 1988-05-11 1991-05-02 Norsk Hydro A.S Arrangement for the compensation of damaging magnetic fields on transversally disposed electrolysis cells
US20070205099A1 (en) * 2004-04-02 2007-09-06 Morgan Le Hervet Series Of Electrolysis Cells For The Production Of Aluminium Comprising Means For Equilibration Of The Magnetic Fields At The Ends Of The Lines
WO2017064547A1 (fr) 2015-10-15 2017-04-20 Rio Tinto Alcan International Limited Serie de cellules d'electrolyse pour la production d'aluminium comportant des moyens pour equilibrer les champs magnetiques en extremite de file

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426748A1 (fr) * 1978-05-24 1979-12-21 Inst Aljuminievoi Systeme de barres d'amenee de courant pour cellules d'electrolyse pour la production d'aluminium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616317A (en) * 1969-09-29 1971-10-26 Alcan Res & Dev Aluminum pot line and method of operating same
US3617454A (en) * 1969-11-12 1971-11-02 Arthur F Johnson Bus structure from aluminum reduction cells
US3640800A (en) * 1970-07-14 1972-02-08 Arthur F Johnson Electrolytic cell

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616317A (en) * 1969-09-29 1971-10-26 Alcan Res & Dev Aluminum pot line and method of operating same
US3617454A (en) * 1969-11-12 1971-11-02 Arthur F Johnson Bus structure from aluminum reduction cells
US3640800A (en) * 1970-07-14 1972-02-08 Arthur F Johnson Electrolytic cell

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189368A (en) * 1978-04-18 1980-02-19 Vsesojuzny Nauchno-Issledovatelsky I Proektny Institut Aljuminievoi, Magnievoi I Elektrodnoi Promyshlennosti System of busbars for aluminium-producing electrolyzers
US4169034A (en) * 1978-05-11 1979-09-25 Aluminium Pechiney Means of compensating the magnetic field induced by the adjacent line in series of high intensity electrolysis cells
US4211626A (en) * 1978-06-07 1980-07-08 Kaluzhsky Nikolai A Dual current supply system for aluminum-producing electrolyzers
US4224127A (en) * 1978-08-04 1980-09-23 Swiss Aluminium Ltd. Electrolytic reduction cell with compensating components in its magnetic field
AU609606B2 (en) * 1988-05-11 1991-05-02 Norsk Hydro A.S Arrangement for the compensation of damaging magnetic fields on transversally disposed electrolysis cells
US7513979B2 (en) * 2004-04-02 2009-04-07 Aluminium Pechiney Series of electrolysis cells for the production of aluminium comprising means for equilibration of the magnetic fields at the ends of the lines
US20070205099A1 (en) * 2004-04-02 2007-09-06 Morgan Le Hervet Series Of Electrolysis Cells For The Production Of Aluminium Comprising Means For Equilibration Of The Magnetic Fields At The Ends Of The Lines
CN100570010C (zh) * 2004-04-02 2009-12-16 皮奇尼铝公司 包括用于均衡在生产线两端处的磁场的装置的用于生产铝的电解池组
WO2017064547A1 (fr) 2015-10-15 2017-04-20 Rio Tinto Alcan International Limited Serie de cellules d'electrolyse pour la production d'aluminium comportant des moyens pour equilibrer les champs magnetiques en extremite de file
FR3042509A1 (fr) * 2015-10-15 2017-04-21 Rio Tinto Alcan Int Ltd Serie de cellules d'electrolyse pour la production d'aluminium comportant des moyens pour equilibrer les champs magnetiques en extremite de file
CN108368624A (zh) * 2015-10-15 2018-08-03 力拓艾尔坎国际有限公司 用于生产铝的包括用于均衡电解池排端部的磁场的装置的电解池组
EP3362590A4 (fr) * 2015-10-15 2019-07-24 Rio Tinto Alcan International Limited Serie de cellules d'electrolyse pour la production d'aluminium comportant des moyens pour equilibrer les champs magnetiques en extremite de file
CN108368624B (zh) * 2015-10-15 2020-07-14 力拓艾尔坎国际有限公司 用于生产铝的包括用于均衡电解池排端部的磁场的装置的电解池组

Also Published As

Publication number Publication date
NO130121C (no) 1976-03-17
EG10469A (en) 1976-07-31
FR2123247B1 (no) 1974-08-19
FR2123247A1 (no) 1972-09-08
DE2139527B2 (de) 1973-07-19
TR19172A (tr) 1978-06-16
DE2139527C3 (de) 1979-06-21
CA974930A (en) 1975-09-23
SU327836A1 (ru) 1977-12-05
DE2139527A1 (de) 1972-08-31
NO130121B (no) 1974-07-08

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