NZ619720A - Aluminium smelter including cells having a cathode outlet through the base of the casing, and a means for stabilizing the cells - Google Patents

Aluminium smelter including cells having a cathode outlet through the base of the casing, and a means for stabilizing the cells Download PDF

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Publication number
NZ619720A
NZ619720A NZ619720A NZ61972012A NZ619720A NZ 619720 A NZ619720 A NZ 619720A NZ 619720 A NZ619720 A NZ 619720A NZ 61972012 A NZ61972012 A NZ 61972012A NZ 619720 A NZ619720 A NZ 619720A
Authority
NZ
New Zealand
Prior art keywords
cells
casing
cathode
cell
cathode outlet
Prior art date
Application number
NZ619720A
Other versions
NZ619720B2 (en
Inventor
Christian Duval
Olivier Martin
Steeve Renaudier
Benoit BARDET
Original Assignee
Rio Tinto Alcan Int Ltd
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 Rio Tinto Alcan Int Ltd filed Critical Rio Tinto Alcan Int Ltd
Publication of NZ619720A publication Critical patent/NZ619720A/en
Publication of NZ619720B2 publication Critical patent/NZ619720B2/en

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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
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • 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)
  • Prevention Of Electric Corrosion (AREA)

Abstract

The invention relates to an aluminium smelter. The smelter includes (i) a series of electrolytic cells (2) including an anode (9), a cathode, and a casing having a side wall and a bottom wall, each cathode including at least one cathode outlet (12). (ii) A main electrical circuit through which an electrolytic current passes, and which includes an electrical conductor (14) connected to each cathode outlet (12) of a cell N, and to the anode (9) of a cell N+1. (iii) A means for stabilizing the electrolytic cells (2), which is provided in the form a secondary electrical circuit (5, 6) to compensate magnetic field. One of the cathode outlets (12) of the cell N passes through the bottom wall of the casing. Each electrical conductor (14) extends from each cathode outlet (12) of the cell N to the cell N+1, and the electrolytic current passes there through only in an upstream-to-downstream direction during the operation of the electrolytic cells N and N+1 (2).
NZ619720A 2011-07-12 2012-07-10 Aluminium smelter including cells having a cathode outlet through the base of the casing, and a means for stabilizing the cells NZ619720B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1102199A FR2977898A1 (en) 2011-07-12 2011-07-12 ALUMINERY COMPRISING CATHODIC EXIT TANKS THROUGH THE BOTTOM OF THE HOUSING AND TANK STABILIZATION MEANS
FR11/02199 2011-07-12
PCT/FR2012/000281 WO2013007892A2 (en) 2011-07-12 2012-07-10 Aluminum smelter including cells having a cathode outlet through the base of the casing, and a means for stabilizing the cells

Publications (2)

Publication Number Publication Date
NZ619720A true NZ619720A (en) 2014-09-26
NZ619720B2 NZ619720B2 (en) 2015-01-06

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Also Published As

Publication number Publication date
NO2732074T3 (en) 2018-04-28
CN103649376B (en) 2016-05-04
BR112014000494A2 (en) 2017-02-21
EP2732074B1 (en) 2017-11-29
FR2977898A1 (en) 2013-01-18
AU2012282372A1 (en) 2014-01-30
CN103649376A (en) 2014-03-19
EP2732074A2 (en) 2014-05-21
EA201490257A1 (en) 2014-04-30
IN2014CN00885A (en) 2015-04-03
WO2013007892A2 (en) 2013-01-17
CA2841297A1 (en) 2013-01-17
EA029022B1 (en) 2018-01-31
AR087123A1 (en) 2014-02-12
WO2013007892A3 (en) 2013-03-28
DK201370805A (en) 2013-12-20
US20140138240A1 (en) 2014-05-22

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