CN1043163A - The busbar arrangement of transversely arranged large scale electrolytic cell - Google Patents

The busbar arrangement of transversely arranged large scale electrolytic cell Download PDF

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Publication number
CN1043163A
CN1043163A CN 89108211 CN89108211A CN1043163A CN 1043163 A CN1043163 A CN 1043163A CN 89108211 CN89108211 CN 89108211 CN 89108211 A CN89108211 A CN 89108211A CN 1043163 A CN1043163 A CN 1043163A
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bus
electrolyzer
row
busbar arrangement
medullary ray
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CN 89108211
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CN1023413C (en
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汉斯·格奥尔格·蒂迪曼·尼贝尔
特隆德·韦特
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Norsk Hydro ASA
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Norsk Hydro ASA
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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

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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)
  • Toys (AREA)
  • Electric Ovens (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A kind of busbar arrangement that is used to eliminate deleterious magnetic influence between the transversely arranged aluminium cell of two or more rows is provided, and electric current passes through the backside flow of the electrolyzer of these buses from electrolyzer row to next electrolyzer.These buses are asymmetricly arranged with respect to electrolyzer row's medullary ray, and the inclination angle with between the perpendicular bus (S) of cathode collector bus (P) and next electrolyzer is provided with one or one or more bus under described cell bottom.

Description

The busbar arrangement of transversely arranged large scale electrolytic cell
The present invention relates to be used to compensate for the busbar arrangement of deleterious magnetic influence between the transversely arranged aluminium cell of two or more rows, wherein, electric current via under cell bottom (perhaps, near the narrow end of this electrolyzer or beneath) the backside flow of two or more bus, an electrolyzer from electrolyzer row to next electrolyzer, and described each bus is asymmetricly arranged with respect to described electrolyzer row's medullary ray.
In potline, each electrolyzer successively is electrically connected in series usually, makes respectively the arranging of electrolyzer of two or more rows have 30 to 50 meters distance between the medullary ray.
One row's electrolyzer is subjected to the influence in the magnetic field that electric current produced among the adjacent row, and, because big distance is arranged between each row, the reactive force perpendicular orientation in described magnetic field, and, with superimposed by the magnetic field that electric current produced in the adjacent electrolyzer among the electric current of this electrolyzer itself and the same row.Since this synergetic magnetic field is created in the electrolytic solution and the aluminium of institute's deposit in the electrolyzer in cause the electromagnetic force of circulation, and, reduced the stability of electrolyzer, so this synergetic magnetic field is undesirable.
Before, the applicant's Norwegian Patent 139829 and 140602 disclosed a kind of method, and this method is by importing extra current near compensating for described undesirable vertical magnetic field near the narrow end of adjacent row's electrolyzer or in the beneath asymmetric bus-bar system.Use this known method, just might form the longitudinal axis that is symmetrical in described electrolyzer and the vertical magnetic field of transverse axis.But, in the large scale electrolytic cell of electric current greater than 150KA, use known method that following shortcoming is arranged: in order to make backside flow the next electrolyzer to electrolyzer row of electric current from described electrolyzer, need long bus, and, in each corner of these electrolyzers, vertical magnetic field has big absolute value.
The purpose of this invention is to provide a kind of busbar arrangement that does not have above-mentioned shortcoming, promptly, this layout has been compensated for the magnetic influence from adjacent electrolyzer row fully, and, in each corner of this electrolyzer, vertical magnetic field has little absolute value, simultaneously, compare with known method, this busbar arrangement is dog-cheap.
According to the present invention, this purpose is by realizing by opening the busbar arrangement that TOUYIJIE limits, this layout has following feature: the inclination angle with between the perpendicular bus (S) on cathode collector bus (P) and the next electrolyzer is provided with one or one or more bus under described cell bottom.
Some most preferred embodiments of the present invention have following feature:
Described electrolyzer has 5 bus (K 1-K 5), wherein, at least one bus (K is set on the narrow end of this electrolyzer 1, on another narrow end, should be K mutually 5), in the more close adjacent row's of this electrolyzer row's medullary ray a side a bus (K is set 3), and two bus (K 2, K 4) be arranged on with being mutually symmetrical described medullary ray each side and, stretch with the outside inclination angle of the perpendicular bus (S) on from cathode collector bus (P) to next electrolyzer.
Bus (the K that tilts 2, K 4) in each root and the angle (α) between this row's the medullary ray (X) be about 26 °.
Described angle (α) is between 15 ° and 45 °.
To further specify the present invention by way of example and with reference to the accompanying drawings below, in the accompanying drawing:
Fig. 1 schematically illustrates the section of two electrolyzers in row's aluminium cell,
Fig. 2 illustrates two the same electrolyzers from last figure,
Fig. 3 a, 3b and 3c illustrate the field vector B by electrolyzer shown in Fig. 1 x, B yAnd B zThe gaussian line of determining such as grade.
The example of the busbar arrangement of 180KA electrolyzer in the potline shown in Fig. 1 and 2.This electrolyzer has 4 perpendicular bus S 1To S 4With electric current from lead 5 bus K of this perpendicular bus of cathode collector bus P 1To K 5Bus K 2, K 3And K 4Be arranged under this cell bottom.And bus K 1And K 5Extend near the narrow end of this electrolyzer.Bus K 1, K 2Respectively with bus K 5, K 4Be arranged in each side of this row's medullary ray with being mutually symmetrical, and bus K 3Be arranged on the close adjacent row's of this row's medullary ray a side.This layout the close adjacent row's of major part conduct current electrolyzer a end is asymmetrical.
But, different with common way, in described 3 buses two, that is, and K 2And K 4, be with cathode collector bus P and perpendicular bus S 1And S 4Between the inclination angle be provided with.As mentioned above, the advantage of this layout is: current path is shorter, and in each corner of electrolyzer, described vertical magnetic field has less absolute value.
Shown in Fig. 3 a, 3b and the 3c by the magnetic vector B of electrolyzer among Fig. 1 x, B yAnd B zThe gaussian line of determining such as grade.The level field vector B xWork to this electrolyzer does not have influence, but another level field vector B y, perpendicualr field vector B especially zWork to electrolyzer has a significant impact.
B zCurve show: almost under whole anode layer, the absolute value of this perpendicualr field all is lower than 10 Gausses.In addition, the situation that has 130 Gauss's perpendicualr fields with the similar electrolyzer that any bus is not set under the bottom land is compared, and the maximum perpendicular field of this embodiment is not more than 20 Gausses.
In the embodiment shown, forming aspect the best as far as possible magnetic field, make 5 bus K 1To K 5In the distribution of current optimizing, mostly just make the bus of inclination have such cross section, that is, the major portion (greater than 40%) of the electric current of drawing from a relevant side of this electrolyzer will be conducted in this cross section.
Also make this busbar arrangement optimizing with regard to following each side: the number of cell bottom Down Highway, the bus of the location of these buses and two inclinations is with respect to the angle [alpha] of electrolyzer row's medullary ray X.In the embodiment of Fig. 2 (as mentioned above, it relates to the electrolyzer of 180KA), described angle is about 26 °.But gross data shows: when in other electrolyzers, or rather, when using greater or lesser angle (at least between 15 ° to 40 ° angle) in other electrolyzer bus layouts, can obtain bigger benefit.
In addition, should be pointed out that the present invention never be limited to shown in the accompanying drawing and the above embodiments.Therefore, within the scope of the invention, along with the variation of cell dimension, can under each cell bottom, be provided with more or fewer buses, and, can make more or fewer buses are obliquely installed between cathode collector bus and perpendicular bus.

Claims (4)

1, a kind of busbar arrangement that is used to compensate for deleterious magnetic influence between the transversely arranged aluminium cell of two or more rows, wherein, electric current via under cell bottom or, near the narrow end of this electrolyzer or two or more beneath bus, the backside flow of an electrolyzer from electrolyzer row to next electrolyzer, and, described each bus is asymmetricly arranged with respect to described electrolyzer row's medullary ray, it is characterized in that:
Inclination angle with between the perpendicular bus (S) on cathode collector bus (P) and the next electrolyzer is provided with one or one or more bus under described cell bottom.
2, the busbar arrangement of claim 1 is characterized in that:
Described electrolyzer has 5 bus (K 1-K 5), wherein, at least one bus (K is set on the narrow end of this electrolyzer 1), correspondingly, at least one bus (K is set on another narrow end 5), in the more close adjacent row's of this electrolyzer row's medullary ray a side a bus (K is set 3), and two bus (K 2, K 4) be arranged on each side of described medullary ray with being mutually symmetrical and stretch with the outside inclination angle of the perpendicular bus (S) on from cathode collector bus (P) to next electrolyzer.
3, the busbar arrangement of claim 2 is characterized in that:
Bus (the K that tilts 2, K 4) in each root and the angle (α) between this row's the medullary ray (X) be about 26 °.
4, claim 1 or 2 busbar arrangement, it is characterized in that: described angle (α) is between 15 ° and 45 °.
CN 89108211 1988-11-28 1989-10-23 Busbar arrangement for large, transversally disposed electrolysis cells Expired - Lifetime CN1023413C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO885292 1988-11-28
NO885292A NO166657C (en) 1988-11-28 1988-11-28 SKIN ARRANGEMENTS FOR LARGE TRANSMISSION ELECTRIC OVENERS.

Publications (2)

Publication Number Publication Date
CN1043163A true CN1043163A (en) 1990-06-20
CN1023413C CN1023413C (en) 1994-01-05

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ID=19891466

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Application Number Title Priority Date Filing Date
CN 89108211 Expired - Lifetime CN1023413C (en) 1988-11-28 1989-10-23 Busbar arrangement for large, transversally disposed electrolysis cells

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EP (1) EP0371653B1 (en)
CN (1) CN1023413C (en)
AU (1) AU623439B2 (en)
BR (1) BR8905984A (en)
DE (1) DE68904406T2 (en)
ES (1) ES2038416T3 (en)
NO (1) NO166657C (en)
NZ (1) NZ230814A (en)
RU (1) RU1833438C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100439566C (en) * 2004-08-06 2008-12-03 贵阳铝镁设计研究院 Five power-on bus distributing style with different current
CN100451177C (en) * 2004-08-06 2009-01-14 贵阳铝镁设计研究院 Asymmetric type tank bottom bus and current distributing style
CN102057080B (en) * 2008-06-05 2012-07-04 奥图泰有限公司 Method for arranging electrodes in an electrolytic process and an electrolytic system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO322258B1 (en) 2004-09-23 2006-09-04 Norsk Hydro As A method for electrical coupling and magnetic compensation of reduction cells for aluminum, and a system for this
NO331318B1 (en) 2007-04-02 2011-11-21 Norsk Hydro As Procedure for operation of electrolysis cells connected in series as well as busbar system for the same
NO20141572A1 (en) 2014-12-23 2016-06-24 Norsk Hydro As A modified electrolytic cell and a method for modifying the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO139829C (en) * 1977-10-19 1979-05-16 Ardal Og Sunndal Verk DEVICE FOR COMPENSATION OF HARMFUL MAGNETIC EFFECT BETWEEN TWO OR MORE ROWS OF TRANSFERRED ELECTROLYSIS OILS FOR MELTING ELECTROLYTIC MANUFACTURE OF ALUMINUM
SU863719A1 (en) * 1978-02-06 1981-09-15 Всесоюзный Научно-Исследовательский И Проектный Институт Алюминиевой,Магниевой И Электродной Промышленности Leads of aluminium electrolyzer
CH656152A5 (en) * 1981-08-18 1986-06-13 Alusuisse RAIL ARRANGEMENT FOR ELECTROLYSIS CELLS.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100439566C (en) * 2004-08-06 2008-12-03 贵阳铝镁设计研究院 Five power-on bus distributing style with different current
CN100451177C (en) * 2004-08-06 2009-01-14 贵阳铝镁设计研究院 Asymmetric type tank bottom bus and current distributing style
CN102057080B (en) * 2008-06-05 2012-07-04 奥图泰有限公司 Method for arranging electrodes in an electrolytic process and an electrolytic system

Also Published As

Publication number Publication date
EP0371653A1 (en) 1990-06-06
DE68904406T2 (en) 1993-06-24
NO885292L (en) 1990-05-29
AU623439B2 (en) 1992-05-14
NO166657B (en) 1991-05-13
NZ230814A (en) 1992-10-28
DE68904406D1 (en) 1993-02-25
NO166657C (en) 1991-08-21
AU4262189A (en) 1990-05-31
ES2038416T3 (en) 1993-07-16
EP0371653B1 (en) 1993-01-13
NO885292D0 (en) 1988-11-28
BR8905984A (en) 1990-06-19
CN1023413C (en) 1994-01-05
RU1833438C (en) 1993-08-07

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Granted publication date: 19940105