EP1101838A1 - Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage - Google Patents

Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage Download PDF

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Publication number
EP1101838A1
EP1101838A1 EP99420230A EP99420230A EP1101838A1 EP 1101838 A1 EP1101838 A1 EP 1101838A1 EP 99420230 A EP99420230 A EP 99420230A EP 99420230 A EP99420230 A EP 99420230A EP 1101838 A1 EP1101838 A1 EP 1101838A1
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EP
European Patent Office
Prior art keywords
aluminum
tanks
machines
hall
managing
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP99420230A
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English (en)
French (fr)
Other versions
EP1101838B1 (de
Inventor
Gérard Piron
Serge Huon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alu Conseil Ingenierie Service
Reel SAS
Original Assignee
Alu Conseil Ingenierie Service
Reel SAS
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
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Application filed by Alu Conseil Ingenierie Service, Reel SAS filed Critical Alu Conseil Ingenierie Service
Priority to ES99420230T priority Critical patent/ES2346830T3/es
Priority to AT99420230T priority patent/ATE478175T1/de
Priority to DE69942692T priority patent/DE69942692D1/de
Priority to EP99420230A priority patent/EP1101838B1/de
Priority to NO19995855A priority patent/NO322556B1/no
Priority claimed from AU61780/99A external-priority patent/AU785503B2/en
Priority to AU61780/99A priority patent/AU785503B2/en
Priority to CA2291497A priority patent/CA2291497C/fr
Priority to US09/456,974 priority patent/US6319388B1/en
Publication of EP1101838A1 publication Critical patent/EP1101838A1/de
Publication of EP1101838B1 publication Critical patent/EP1101838B1/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the implementation of multifunctional or multitasking machines limits the number of tanks that can be treated by the same machine, taking into account of the operating method implemented, encumbering in fact in an additional manner, the operating costs of the installation in question.
  • This method consists in ensuring the various handling operations at the level of each of the tanks, necessary for the operation of the installation, in a loop closed, the organs necessary for said operation translating at the level of all the cells in the electrolysis halls in continuous cycles and always in the Same direction.
  • said organs translate at the level of the first hall in a determined direction to the end of said hall, then are transferred to the adjacent end of the parallel hall, called second hall, then translate in opposite direction to the direction of translation adopted at the level of said first hall at the level of said second hall, and finally are transferred to the first hall, to restart the different cycles necessary for the operation of the installation.
  • each of these bodies ensures a fewer number of operations than in the context prior art installations, repeated from one tank to another, and circulating constantly in the same direction to the end of the halls, where they are transferred to the hall parallel via a transfer bridge or transporter bridge.
  • the invention consists in ensuring a cyclization of the displacement of the organs necessary for the operation of the installation, said installation operating in rotating flow with respect to said organs.
  • this operating mode leads to an improvement in productivity and profitability, reducing downtime and ensuring full operation of organs or machines, and requiring less material in reserve to deal with possible unavailability of machines during operation.
  • each type of machine or specialized body is characterized by smaller dimensions, volumes and weights than multifunctional machines in the art prior. This therefore results in possibilities of reducing the volumes and dimensions of the buildings intended to house this type of installation, but also for sizing structural elements, resulting in a significant reduction in investment costs.
  • the organs are mono-function.
  • these single-function members operate in series or trains of several organs.
  • the invention relates to the installation implementing this method.
  • Figure 1 is a schematic representation, illustrating, as already said, the operating mode of the installations of the prior art.
  • Figure 2 is a schematic representation illustrating the operating principle of the installation according to the invention.
  • Figure 3 is a schematic perspective representation illustrating the anode handling and lifting machine, of the type used in the invention.
  • Figure 4 is a schematic perspective representation illustrating the multiple and handling objectives of the ladle, of the type used in the invention.
  • the installation of the type in question is installed in a building represented by the general reference (1) and may include a single building or two separate buildings. She incorporates two halls, respectively (2) and (3), each comprising a series of tanks electrolysis mounted parallel to each other, and symmetrically to each other by compared to a central aisle (4) bounded by the two halls.
  • This central aisle is used, in known manner, as the location of the supply device for alumina of said tanks, and moreover, to receive the implantation of a system of capture and treatment of fumes, in particular gases from the reaction electrolysis (including carbon monoxide and dioxide, oxygen and fumes fluorinated).
  • These tanks are substantially identical to each other and include the elements necessary for their operation. They receive in particular the electrolysis bath in fusion consisting of alumina and molten cryolite.
  • the machines ensuring the operation of the installation work in a closed loop at the level of the two series of tanks (2) and (3).
  • five couples of two machines are shown. (13, 14) thus operating in a closed loop. More specifically, four of these couples (13, 14), (13 ', 14'), (13 ", 14") and (13 "', 14"') are operational, the latter shown in maintenance zone (15) not being called upon to operate during normal operation of the installation, and being intended only to allow replacement during a malfunction or breakdown of one of the couples.
  • Each pair is made up of two different machines, one anode handling machine (13) and a machine for other tasks necessary for the operation of the installation, and in particular the handling of the bag pouring and lifting of the anode frames.
  • the raceway (16) receives a carriage (19) intended to receive a tool for lifting, at the end of which is mounted a tool for stitching the surface crust present at the surface surface of each of the tanks.
  • the raceway (17) receives a carriage (20), also receiving a lifting device provided at its free end with a tool intended to remove the anodes worn out.
  • This carriage (20) is also intended to ensure the installation of new anodes as a corollary a measure of the leveling of the anodes.
  • raceway (18) receives a carriage (21) intended to receive a lifting carrying a tool ensuring the cleaning of the tank cavity.
  • this machine (13) can ensure several tasks and that for example, at the level of a tank n, it is capable of ensuring the stitching function while at the level of the tank (n + 1), it ensures for example the function of removing used anodes, and at the level of the tank (n + 2), the function of cleaning of the tank cavity, the machine (13 ') having preceded it at this tank having already performed the previous stitching function.
  • the external raceway (23) is intended to receive two carriages (26) and (27), substantially identical, capable of passing over the carriage (25), and intended, especially when operating simultaneously, to ensure the lifting of the frames anodic.
  • they when they operate in an elementary way, they are intended to provide ancillary work, such as the handling of metering injectors, inter-tank slabs when stopping a tank, as well as all accessories useful for this operation, just like those useful for restarting a tank.
  • machines (13, 14, etc.) are also capable of supplying alumina tanks.
  • Figure 5 a sectional view transverse of an installation according to the invention, on which the two appear tank halls.
  • a fixed alumina hopper (30) installed on the roof in the central area of the building, and which acts as a buffer reserve for the power supply of the machines (14, 14 ', 14 ", 14 “') circulating in this hall.
  • a pipe (31) extends from said hopper (30), so as to allow feeding the machines (14) with molten alumina.
  • said machines are routed at the end of said hopper, in order to reload in alumina.
  • the machines (14) are provided with a secondary hopper (32) integrated in the beam of the bridge supporting one of the parts of the raceways (23, 24), capable of being positioned under the end of the end of the pipe (31).
  • These secondary hoppers (32) are themselves provided with a filling system tanks (33) associated with hoppers (34) associated with the tanks themselves.
  • the alumina filling operation of a tank is carried out during casting (i.e. the collection of liquid aluminum) which takes place at the neighboring tank.
  • the synchronization of these two operations is first made possible because the filling time of an alumina tank is less than the aluminum casting time.
  • the pitch between two consecutive tanks of the same hall being constant, the structure of the crane constituting the machines (14) is achieved in such a way that when such a machine is positioned in the casting position at level of a tank, the filling opening of the adjacent tank coincides with the alumina supply system (32) for said machine (14).
  • This new method of management and organization in rotating flow eliminates the many downtime of change of function of said machines, as well as the durations necessary to return the machines during their drawer operation.

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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)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
EP99420230A 1999-11-19 1999-11-19 Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage Expired - Lifetime EP1101838B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ES99420230T ES2346830T3 (es) 1999-11-19 1999-11-19 Procedimiento de control del funcionamiento de una instalacion de fabricacion de aluminio por electrolisis ignea e instalacion de fabricacion de aluminio que utiliza dicho metodo.
AT99420230T ATE478175T1 (de) 1999-11-19 1999-11-19 Verfahren zum betriebsablauf einer aluminium- schmelzflusselektrolyseanlage und mit diesem verfahren betriebene aluminium-herstellungsanlage
DE69942692T DE69942692D1 (de) 1999-11-19 1999-11-19 Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage
EP99420230A EP1101838B1 (de) 1999-11-19 1999-11-19 Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage
NO19995855A NO322556B1 (no) 1999-11-19 1999-11-29 Fremgangsmate for a styre drift av et anlegg for produksjon av aluminium ved smelteelektrolyse og aluminium anlegg for implementering av denne fremgangsmaten
AU61780/99A AU785503B2 (en) 1999-11-30 Method of managing the operation of a plant for the production of aluminium by igneous electrolysis and aluminium production plant for implementing this method
CA2291497A CA2291497C (fr) 1999-11-19 1999-12-01 Methode de gestion du fonctionnement d'une installation de production d'aluminium par electrolyse ignee et installation de production d'aluminium mettant en oeuvre cette methode
US09/456,974 US6319388B1 (en) 1999-11-19 1999-12-07 Method of managing the operation of a plant for the production of aluminium by igneous electrolysis and aluminium production plant for implementing this method

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP99420230A EP1101838B1 (de) 1999-11-19 1999-11-19 Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage
NO19995855A NO322556B1 (no) 1999-11-19 1999-11-29 Fremgangsmate for a styre drift av et anlegg for produksjon av aluminium ved smelteelektrolyse og aluminium anlegg for implementering av denne fremgangsmaten
AU61780/99A AU785503B2 (en) 1999-11-30 Method of managing the operation of a plant for the production of aluminium by igneous electrolysis and aluminium production plant for implementing this method
CA2291497A CA2291497C (fr) 1999-11-19 1999-12-01 Methode de gestion du fonctionnement d'une installation de production d'aluminium par electrolyse ignee et installation de production d'aluminium mettant en oeuvre cette methode
US09/456,974 US6319388B1 (en) 1999-11-19 1999-12-07 Method of managing the operation of a plant for the production of aluminium by igneous electrolysis and aluminium production plant for implementing this method

Publications (2)

Publication Number Publication Date
EP1101838A1 true EP1101838A1 (de) 2001-05-23
EP1101838B1 EP1101838B1 (de) 2010-08-18

Family

ID=27507128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99420230A Expired - Lifetime EP1101838B1 (de) 1999-11-19 1999-11-19 Verfahren zum Betriebsablauf einer Aluminium-Schmelzflusselektrolyseanlage und mit diesem Verfahren betriebene Aluminium-Herstellungsanlage

Country Status (6)

Country Link
US (1) US6319388B1 (de)
EP (1) EP1101838B1 (de)
AT (1) ATE478175T1 (de)
CA (1) CA2291497C (de)
DE (1) DE69942692D1 (de)
NO (1) NO322556B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101597770B (zh) * 2008-11-07 2011-04-20 中铝国际技术发展有限公司 一种铝电解车间的布置结构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2868086B1 (fr) * 2004-03-25 2006-05-26 Ecl Soc Par Actions Simplifiee Module de service compact destine aux usines de production d'aluminium par electrolyse
US20100155259A1 (en) * 2008-12-19 2010-06-24 Ramaswamy J Process for online power cut out of an aluminum reduction cell

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618313A2 (de) * 1993-02-25 1994-10-05 TECHMO Car S.p.A. Automatisierte Vorrichtung zur Ersetzung von Anoden in Elektrolyseöfen für die Aluminium-Herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1028084A (fr) 1950-10-13 1953-05-19 Améliorations et perfectionnements aux roues-libres pour toutes applications mécaniques fonctionnant à droite et à gauche pour motocyclettes, automobiles, etc., sans cliquets
EP1028084B1 (de) * 1999-02-12 2003-07-02 Reel S.A. Hebevorrichtung zur Ersetzung von Anoden in Elektrolyseöfen für die Aluminium-Herstellung
FR2801295B1 (fr) 1999-11-19 2001-12-21 Reel Sa Unite de levage et de manutention de charges au sein d'une installation de production d'aluminium par electrolyse ignee et installation mettant en oeuvre une telle unite

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618313A2 (de) * 1993-02-25 1994-10-05 TECHMO Car S.p.A. Automatisierte Vorrichtung zur Ersetzung von Anoden in Elektrolyseöfen für die Aluminium-Herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101597770B (zh) * 2008-11-07 2011-04-20 中铝国际技术发展有限公司 一种铝电解车间的布置结构

Also Published As

Publication number Publication date
US6319388B1 (en) 2001-11-20
DE69942692D1 (de) 2010-09-30
NO322556B1 (no) 2006-10-23
AU6178099A (en) 2001-05-31
CA2291497A1 (fr) 2001-06-01
CA2291497C (fr) 2011-02-22
EP1101838B1 (de) 2010-08-18
ATE478175T1 (de) 2010-09-15
NO995855D0 (no) 1999-11-29
NO995855L (no) 2001-05-30

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