EP1443128B1 - Service machine for electrolytic cells in aluminium production - Google Patents

Service machine for electrolytic cells in aluminium production Download PDF

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Publication number
EP1443128B1
EP1443128B1 EP03356013A EP03356013A EP1443128B1 EP 1443128 B1 EP1443128 B1 EP 1443128B1 EP 03356013 A EP03356013 A EP 03356013A EP 03356013 A EP03356013 A EP 03356013A EP 1443128 B1 EP1443128 B1 EP 1443128B1
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EP
European Patent Office
Prior art keywords
rotating
frame
fixed
connecting device
sleeve
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.)
Expired - Lifetime
Application number
EP03356013A
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German (de)
French (fr)
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EP1443128A1 (en
Inventor
Patrick Delescluse
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Fives ECL SAS
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ECL SAS
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Filing date
Publication date
Application filed by ECL SAS filed Critical ECL SAS
Priority to DE60300977T priority Critical patent/DE60300977T2/en
Priority to EP03356013A priority patent/EP1443128B1/en
Priority to AT03356013T priority patent/ATE299193T1/en
Priority to ARP040100126A priority patent/AR042735A1/en
Priority to CA2512745A priority patent/CA2512745C/en
Priority to US10/539,116 priority patent/US20060060469A1/en
Priority to CNB2004800028800A priority patent/CN100485094C/en
Priority to PCT/FR2004/000189 priority patent/WO2004070086A2/en
Priority to BR0407135-2A priority patent/BRPI0407135A/en
Publication of EP1443128A1 publication Critical patent/EP1443128A1/en
Application granted granted Critical
Publication of EP1443128B1 publication Critical patent/EP1443128B1/en
Priority to IS8000A priority patent/IS8000A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/08—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for charging treatment chambers, e.g. furnaces, kilns, ovens
    • 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

Definitions

  • the invention relates to the production of aluminum by igneous electrolysis according to Hall-Héroult process. It relates more particularly to service machines overhead crane used in said factories.
  • Aluminum metal is produced industrially by igneous electrolysis, ie by electrolysis of the alumina in solution in a bath of molten cryolite, called bath electrolyte, according to the well-known Hall-Héroult process.
  • the electrolyte bath is contained in tanks, called “electrolysis cells", comprising a box in steel, which is coated internally with refractory and / or insulating materials, and a cathodic assembly located at the bottom of the tank.
  • Anodes made of carbonaceous material are partially immersed in the electrolyte bath.
  • the whole formed by a tank electrolysis, its anodes and the electrolyte bath is called an electrolysis cell.
  • Plants contain a large number of electrolysis cells arranged in line, in buildings called halls or electrolysis rooms, and electrically connected in series using connecting conductors, so as to optimize ground occupancy factories.
  • the cells are generally arranged to form two or several parallel lines that are electrically interconnected by drivers end. The electrolysis current thus cascades from a cell to the next.
  • an electrolysis plant requires interventions on the cells electrolysis, including, in particular, the replacement of anodes new anodes, the removal of liquid metal from the cells and the samples or additions of electrolyte.
  • the factories more modern are equipped with one or more service units including a movable bridge that can be translated over the electrolysis cells, and along these, and a service module comprising a trolley and handling and intervention (often called “tools"), such as shovels and hoists, and able to be moved on the moving bridge.
  • tools often termed “electrolysis service machines” or “M.S.E” (“PTA” or “Pot Tending Assembly “or” PTM “or” Pot Tending Machine "in English).
  • the plaintiff has therefore sought service units which make it possible to avoid disadvantages while remaining reliable.
  • the subject of the invention is a device for mechanical and electrical connection rotating between a transport module, typically a trolley, and handling and intervention of an igneous electrolysis aluminum production plant, characterized in that it comprises a chassis called “fixed” provided with a hub or straight shaft, a sleeve surrounding the hub and able to rotate around it, a first and a second so-called “rotary” chassis able to turn around the sleeve, contacts sliding electric motors between chassis and drive systems for cause the chassis to rotate relative to one another about an axis common.
  • the two rotary frames and the sleeve of the connecting device of the invention are intended to rotate around a common axis of rotation, which is typically vertical in use, and independently of one another.
  • the rotation of the chassis and the sleeve is then called “coaxial".
  • the sleeve is rotated by the first rotary frame, typically via a mechanical means, such as a finger.
  • the connecting device according to the invention allows an angularly unlimited rotation between the three frames, while ensuring a permanent electrical connection between them.
  • the chassis rotation independence increases the comfort and efficiency of the operator.
  • FIG. 1 illustrates a typical electrolysis room, seen in section, intended for aluminum production and including a service unit represented in such a way schematic.
  • FIG. 2 schematically illustrates, in side view, a service module of an igneous electrolysis aluminum production plant according to the invention.
  • FIG. 3 illustrates a connection device according to the invention, seen in section.
  • Electrolysis plants for aluminum production include a liquid aluminum production area that includes one or more rooms electrolysis (1).
  • each electrolysis room (1) comprises electrolysis cells (2) and at least one "service unit” or “machine of "(3)
  • Electrolysis cells (2) are normally arranged in rows or queues (typically side-by-side or head-to-head), each row or file comprising typically more than a hundred cells.
  • Said cells (2) comprise a series of anodes (21) provided with a metal rod (22) for fixing and electrical connection of the anodes to a metal anode frame (not shown).
  • the service unit (3) is used to carry out operations on the cells (2) such as anode changes or the filling of ground feed hoppers and AlF 3 of the electrolysis cells. It can also be used to handle various loads, such as tank elements, pockets of liquid metal or anodes.
  • the service unit (3) comprises a movable bridge (4) which can be translated above electrolysis cells (2), and along them, and a service module (5) comprising a movable carriage (6) movable on the movable bridge (4) and several handling and intervention devices (7, 8, 9, 10, 11), such as tools (shovels, keys, biters, ...) and control cabins.
  • the movable bridge (4) rests and circulates on raceways (30, 30 ') arranged parallel to each other and to the main axis of the hall (and the queue of cells).
  • the moving bridge (4) can thus be moved along the electrolysis room (1).
  • the hub (102) is locked in rotation relative to the fixed frame (101).
  • the fixed frame (101) is typically above the rotary frames (110, 120).
  • the axis of rotation (103) is normally substantially vertical.
  • the first rotary frame (110) rotates with the sleeve (121) and drives it in rotation typically by mechanical means (123) such as a finger.
  • Said pluralities of rotating sliding electrical contacts (113, 114) comprise typically rings or tracks attached to the sleeve (121) and brooms or wipers attached to the frames (101, 120).
  • the number of sliding electrical contacts rotary is typically from a few tens to several tens. They allow in particular to transfer control signals and electrical power.
  • Said pluralities of electrical contacts (113, 114) are advantageously protected by a box (115, 116).
  • the frames (101, 110, 120) typically comprise openings for passing said outer conductors and distribution.
  • the outer conductors (117) are normally fixed relative to the fixed frame.
  • the distribution conductors (118, 1181, 1182, 119) are conductors electrical devices of the connecting device which are likely to be driven by the rotation of the rotary frames (110, 120).
  • Distribution drivers include a first series of conductors (118, 1181, 1182) which are normally fixed by relative to the sleeve (121) and to the first rotary frame (110), and a second series conductors (119) which are normally fixed relative to the second frame rotary (120).
  • the annular bearings (111, 112) are typically rolling bearings, such as roller crowns.
  • the connecting device (100) advantageously comprises one or more joining means for holding said frames (101, 110, 120) in a determined axial position.
  • These assembly means may be in whole or in part integrated in the annular bearings (111, 112).
  • Training systems (140, 141, 142, 150, 151, 152) include typically a motor (140, 150), a pinion (141, 151) and a ring gear (142) or a gear wheel (152).
  • the engine (140, 150) and the crown (142, 152) can be fixed respectively to the fixed frame (101) and to one of the rotary frames (110, 120), or vice versa.
  • the motor (140, 150) can be attached to the rotating frame or fixed by a mechanical means such as an arm (153).
  • the drive systems may comprise one or more drive rollers by adhesion and at least one track.
  • the connecting device (100) advantageously comprises annular bearings complementary (160, 161, 162, 163, 164) between the sleeve (121) and the fixed frame (101), possibly via the hub (102) - as shown in FIG. 3 and / or complementary annular bearings (170, 171) between the sleeve (121) and the second rotary frame (120). These complementary levels make it possible to avoid lateral movements of the rotating elements (110, 120, 121).
  • the connecting device comprises also pneumatic and / or hydraulic rotary connection means (130, 131, 132, 133) between the fixed frame (101) and at least one of the rotary frames (110, 120), and preferably both, and therefore for at least one of the turrets.
  • pneumatic and / or hydraulic rotary connection means 130, 131, 132, 133 between the fixed frame (101) and at least one of the rotary frames (110, 120), and preferably both, and therefore for at least one of the turrets.
  • These means of particularly allow a supply of compressed air to the handling and intervention.
  • These means advantageously comprise a cavity axial (130) in the central shaft (102), sealed rotating joints (131, 132) and complementary lines (133, 134).
  • rotary frame (110) is located between the fixed frame (101) and the second rotary frame (120).
  • the drive system of the second rotary frame (120) preferably comprises a toothed wheel (152) attached to the hub (102) and a motor (150) attached to the second rotary frame (120) and provided with a pinion (151).
  • the first turret (110 ') typically comprises a cabin of control (11) and a hopper (10) containing the anode cover product.
  • the second turret (120 ') typically comprises the various service tools of the electrolysis cells, such as a quilting device (8) intended to break the crust of alumina and cryolite that forms around and between the anodes, a shovel (7) intended for the removal of solid elements contained in an electrolysis cell at the time of anode change and anode handling system (9) intended for the extraction of spent anodes and the placement of new anodes.
  • the linking device (100) is then typically placed so that the rotary frames (110, 120) are located below the fixed frame (101) when the carriage (6) is in use position on the traveling crane (4).
  • the service module according to the invention allows the operator to have a large visibility on the electrolysis cell and on the tools or handling devices and intervention during his interventions. It also simplifies the task of the operator, in particular by avoiding significant angular rotations by report at its initial point. It also makes it possible to use the same module in separate electrolysis rooms in which the electrolysis cells are not oriented in the same way.
  • the invention also relates to a service unit (3) of a production plant of igneous electrolysis aluminum comprising a crane (4) and at least one service module (5) according to the invention.
  • Another subject of the invention is the use of a service module (5) or a service unit (3) according to the invention for interventions on cells electrolysis process (2) for the production of aluminum by igneous electrolysis.

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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)
  • Mechanical Engineering (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Description

Domaine de l'inventionField of the invention

L'invention concerne la production d'aluminium par électrolyse ignée selon le procédé de Hall-Héroult. Elle concerne plus particulièrement les machines de service sur pont roulant utilisées dans lesdites usines.The invention relates to the production of aluminum by igneous electrolysis according to Hall-Héroult process. It relates more particularly to service machines overhead crane used in said factories.

Etat de la techniqueState of the art

L'aluminium métal est produit industriellement par électrolyse ignée, à savoir par électrolyse de l'alumine en solution dans un bain de cryolithe fondue, appelé bain d'électrolyte, selon le procédé bien connu de Hall-Héroult. Le bain d'électrolyte est contenu dans des cuves, dites « cuves d'électrolyse », comprenant un caisson en acier, qui est revêtu intérieurement de matériaux réfractaires et/ou isolants, et un ensemble cathodique situé au fond de la cuve. Des anodes en matériau carboné sont partiellement immergées dans le bain d'électrolyte. L'ensemble formé par une cuve d'électrolyse, ses anodes et le bain d'électrolyte est appelé une cellule d'électrolyse.Aluminum metal is produced industrially by igneous electrolysis, ie by electrolysis of the alumina in solution in a bath of molten cryolite, called bath electrolyte, according to the well-known Hall-Héroult process. The electrolyte bath is contained in tanks, called "electrolysis cells", comprising a box in steel, which is coated internally with refractory and / or insulating materials, and a cathodic assembly located at the bottom of the tank. Anodes made of carbonaceous material are partially immersed in the electrolyte bath. The whole formed by a tank electrolysis, its anodes and the electrolyte bath is called an electrolysis cell.

Les usines contiennent un grand nombre de cellules d'électrolyse disposées en ligne, dans des bâtiments appelés halls ou salles d'électrolyse, et raccordées électriquement en série à l'aide de conducteurs de liaison, de façon à optimiser l'occupation au sol des usines. Les cellules sont généralement disposées de manière à former deux ou plusieurs files parallèles qui sont électriquement liées entre elles par des conducteurs d'extrémité. Le courant d'électrolyse passe ainsi en cascade d'une cellule à la suivante.Plants contain a large number of electrolysis cells arranged in line, in buildings called halls or electrolysis rooms, and electrically connected in series using connecting conductors, so as to optimize ground occupancy factories. The cells are generally arranged to form two or several parallel lines that are electrically interconnected by drivers end. The electrolysis current thus cascades from a cell to the next.

En fonctionnement, une usine d'électrolyse nécessite des interventions sur les cellules d'électrolyse parmi lesquelles figurent, notamment, le remplacement des anodes usées par des anodes neuves, le prélèvement de métal liquide des cellules et les prélèvements ou ajouts d'électrolyte. Afin d'effectuer ces interventions, les usines les plus modernes sont équipées d'une ou plusieurs unités de service comprenant un pont mobile qui peut être translaté au-dessus des cellules d'électrolyse, et le long de celles-ci, et un module de service comprenant un chariot et des organes de manutention et d'intervention (souvent appelés « outils »), tels que des pelles et des palans, et apte à être déplacé sur le pont mobile. Ces unités de service sont souvent appelées "machines de service électrolyse" ou "M.S.E" ("PTA" ou "Pot Tending Assembly" ou "PTM" ou "Pot Tending Machine" en langue anglaise).In operation, an electrolysis plant requires interventions on the cells electrolysis, including, in particular, the replacement of anodes new anodes, the removal of liquid metal from the cells and the samples or additions of electrolyte. In order to carry out these interventions, the factories more modern are equipped with one or more service units including a movable bridge that can be translated over the electrolysis cells, and along these, and a service module comprising a trolley and handling and intervention (often called "tools"), such as shovels and hoists, and able to be moved on the moving bridge. These service units are often termed "electrolysis service machines" or "M.S.E" ("PTA" or "Pot Tending Assembly "or" PTM "or" Pot Tending Machine "in English).

Les capacités de mouvement des unités de service connues sont toutefois limitées, notamment à cause des câbles d'alimentation électriques qui ne permettent que des mouvements linéaires ou rotatifs limités.The movement capabilities of known service units are however limited, especially because of the power cables that allow only limited linear or rotary movements.

La demanderesse a donc recherché des unités de service qui permettent d'éviter ces inconvénients tout en restant fiables.The plaintiff has therefore sought service units which make it possible to avoid disadvantages while remaining reliable.

Description de l'inventionDescription of the invention

L'invention a pour objet un dispositif de liaison mécanique et électrique rotatif entre un module de transport, typiquement un chariot, et des organes de manutention et d'intervention d'une usine de production d'aluminium par électrolyse ignée, caractérisé en ce qu'il comprend un châssis dit "fixe" muni d'un moyeu ou arbre droit, un manchon entourant le moyeu et apte à tourner autour de celui-ci, un premier et un deuxième châssis dits "rotatifs" aptes à tourner autour du manchon, des contacts électriques glissants rotatifs entre les châssis et des systèmes d'entraínement pour provoquer la rotation des châssis les uns par rapport aux autres autour d'un axe commun.The subject of the invention is a device for mechanical and electrical connection rotating between a transport module, typically a trolley, and handling and intervention of an igneous electrolysis aluminum production plant, characterized in that it comprises a chassis called "fixed" provided with a hub or straight shaft, a sleeve surrounding the hub and able to rotate around it, a first and a second so-called "rotary" chassis able to turn around the sleeve, contacts sliding electric motors between chassis and drive systems for cause the chassis to rotate relative to one another about an axis common.

Plus précisément, le dispositif de liaison mécanique et électrique rotatif selon l'invention est caractérisé en ce qu'il comprend :

  • un châssis dit "fixe" comprenant un moyeu ou arbre dit "central" définissant un axe de rotation,
  • un manchon entourant ledit moyeu et apte à tourner autour de celui-ci et autour dudit axe de rotation,
  • un premier châssis dit "rotatif" tournant avec ledit manchon et apte à tourner autour de l'axe de rotation,
  • un deuxième châssis dit "rotatif" apte à tourner autour dudit manchon et de l'axe de rotation,
  • une première pluralité de contacts électriques glissants rotatifs dont un membre, destiné aux raccordements à des conducteurs extérieurs, est fixé au châssis fixe et l'autre membre, destiné aux raccordements à des conducteurs du système susceptibles d'être entraínés en rotation, est fixé au manchon,
  • une deuxième pluralité de contacts électriques glissants rotatifs dont un membre est fixé au deuxième châssis rotatif et l'autre membre est fixé au manchon, chaque membre étant destiné aux raccordements à des conducteurs du système susceptibles d'être entraínés en rotation,
  • un premier système d'entraínement apte à provoquer la rotation du premier châssis rotatif autour dudit axe de rotation,
  • un deuxième système d'entraínement apte à provoquer la rotation du deuxième châssis rotatif autour dudit axe de rotation.
More specifically, the mechanical and electrical rotary connection device according to the invention is characterized in that it comprises:
  • a so-called "fixed" chassis comprising a hub or "central" shaft defining an axis of rotation,
  • a sleeve surrounding said hub and able to rotate around it and around said axis of rotation,
  • a first "rotary" frame rotating with said sleeve and able to rotate about the axis of rotation,
  • a second so-called "rotary" chassis able to rotate around said sleeve and the axis of rotation,
  • a first plurality of rotary sliding electrical contacts, one member for connection to outer conductors, is attached to the fixed frame and the other member for connection to system conductors capable of being rotated is fixed to muff,
  • a second plurality of rotating sliding electrical contacts, one member of which is fixed to the second rotary frame and the other member is attached to the sleeve, each member being intended for connections to system conductors which may be rotated,
  • a first drive system adapted to cause rotation of the first rotary frame about said axis of rotation,
  • a second drive system adapted to cause the rotation of the second rotary frame about said axis of rotation.

Ainsi, les deux châssis rotatifs et le manchon du dispositif de liaison de l'invention sont destinés à tourner autour d'un axe de rotation commun, qui est typiquement vertical en utilisation, et indépendamment l'un de l'autre. La rotation des châssis et du manchon est alors dite "coaxiale". Le manchon est entraíné en rotation par le premier châssis rotatif, typiquement par l'intermédiaire d'un moyen mécanique, tel qu'un doigt.Thus, the two rotary frames and the sleeve of the connecting device of the invention are intended to rotate around a common axis of rotation, which is typically vertical in use, and independently of one another. The rotation of the chassis and the sleeve is then called "coaxial". The sleeve is rotated by the first rotary frame, typically via a mechanical means, such as a finger.

Le dispositif de liaison selon l'invention permet une rotation angulairement illimitée entre les trois châssis, tout en assurant une liaison électrique permanente entre ceux-ci. L'indépendance de rotation des châssis augmente le confort et l'efficacité de l'opérateur. The connecting device according to the invention allows an angularly unlimited rotation between the three frames, while ensuring a permanent electrical connection between them. The chassis rotation independence increases the comfort and efficiency of the operator.

L'invention sera mieux comprise à l'aide de la description détaillée d'un mode de réalisation préféré de celle-ci qui est exposé ci-dessous et qui est illustré à l'aide des figures annexées.The invention will be better understood with the help of the detailed description of a mode of preferred embodiment of this which is set out below and which is illustrated with the aid of annexed figures.

La figure 1 illustre une salle d'électrolyse typique, vue en section, destinée à la production d'aluminium et comprenant une unité de service représentée de manière schématique.FIG. 1 illustrates a typical electrolysis room, seen in section, intended for aluminum production and including a service unit represented in such a way schematic.

La figure 2 illustre, de manière schématique et en vue de côté, un module de service d'une usine de production d'aluminium par électrolyse ignée selon l'invention.FIG. 2 schematically illustrates, in side view, a service module of an igneous electrolysis aluminum production plant according to the invention.

La figure 3 illustre un dispositif de liaison selon l'invention, vue en section.FIG. 3 illustrates a connection device according to the invention, seen in section.

Les usines d'électrolyse destinées à la production d'aluminium comprennent une zone de production d'aluminium liquide qui comprend une ou plusieurs salles d'électrolyse (1). Tel qu'illustré à la figure 1, chaque salle d'électrolyse (1) comporte des cellules d'électrolyse (2) et au moins une "unité de service" ou "machine de service" (3). Les cellules d'électrolyse (2) sont normalement disposées en rangées ou files (typiquement côte-à-côte ou tête-à-tête), chaque rangée ou file comportant typiquement plus d'une centaine de cellules. Lesdites cellules (2) comprennent une série d'anodes (21) munies d'une tige métallique (22) destinée à la fixation et au raccordement électrique des anodes à un cadre anodique métallique (non illustré).Electrolysis plants for aluminum production include a liquid aluminum production area that includes one or more rooms electrolysis (1). As illustrated in FIG. 1, each electrolysis room (1) comprises electrolysis cells (2) and at least one "service unit" or "machine of "(3) Electrolysis cells (2) are normally arranged in rows or queues (typically side-by-side or head-to-head), each row or file comprising typically more than a hundred cells. Said cells (2) comprise a series of anodes (21) provided with a metal rod (22) for fixing and electrical connection of the anodes to a metal anode frame (not shown).

L'unité de service (3) sert à effectuer des opérations sur les cellules (2) telles que les changements d'anode ou le remplissage des trémies d'alimentation en bain broyé et en AlF3 des cellules d'électrolyse. Elle peut également servir à manutentionner des charges diverses, telles que des éléments de cuve, des poches de métal liquide ou des anodes.The service unit (3) is used to carry out operations on the cells (2) such as anode changes or the filling of ground feed hoppers and AlF 3 of the electrolysis cells. It can also be used to handle various loads, such as tank elements, pockets of liquid metal or anodes.

L'unité de service (3) comprend un pont mobile (4) qui peut être translaté au-dessus des cellules d'électrolyse (2), et le long de celles-ci, et un module de service (5) comprenant un chariot mobile (6) apte à être déplacé sur le pont mobile (4) et plusieurs organes de manutention et d'intervention (7, 8, 9, 10, 11), tels que des outils (pelles, clés, piqueurs,...) et des cabines de commande.The service unit (3) comprises a movable bridge (4) which can be translated above electrolysis cells (2), and along them, and a service module (5) comprising a movable carriage (6) movable on the movable bridge (4) and several handling and intervention devices (7, 8, 9, 10, 11), such as tools (shovels, keys, biters, ...) and control cabins.

Le pont mobile (4) repose et circule sur des chemins de roulement (30, 30') disposés parallèlement l'un à l'autre et à l'axe principal du hall (et de la file de cellules). Le pont mobile (4) peut ainsi être déplacé le long de la salle d'électrolyse (1).The movable bridge (4) rests and circulates on raceways (30, 30 ') arranged parallel to each other and to the main axis of the hall (and the queue of cells). The moving bridge (4) can thus be moved along the electrolysis room (1).

Selon l'invention, le dispositif de liaison mécanique et électrique rotatif (100) entre un module de transport, typiquement un chariot, (6) et des organes de manutention et d'intervention (7, 8, 9, 10, 11) d'une usine de production d'aluminium par électrolyse ignée, est caractérisé en ce qu'il comprend :

  • un châssis dit "fixe" (101) destiné à être fixé audit module de transport (6) et comprenant un moyeu (102) définissant un axe de rotation (103), lequel axe est typiquement perpendiculaire au plan principal dudit châssis fixe;
  • un manchon (121) entourant ledit moyeu (102) et apte à tourner autour dudit moyeu (102) et autour dudit axe de rotation (103),
  • un premier châssis dit "rotatif" (110) apte à tourner autour dudit axe de rotation (103) et à entraíner ledit manchon (121) en rotation, et destiné à porter au moins un organe de manutention et d'intervention (7, 8, 9, 10, 11);
  • un deuxième châssis dit "rotatif" (120) apte à tourner autour dudit manchon (121) et dudit axe de rotation (103), et destiné à porter au moins un organe de manutention et d'intervention (7, 8, 9, 10, 11);
  • une première pluralité de contacts électriques glissants rotatifs (113) comportant chacun au moins un premier membre (1131) fixé au châssis fixe (101) et raccordé à au moins un conducteur extérieur (117), et au moins un deuxième membre (1132) fixé au manchon (121) et raccordé à au moins un conducteur de distribution (118, 1181, 1182);
  • une deuxième pluralité de contacts électriques glissants rotatifs (114) comportant chacun au moins un premier membre (1141) fixé au deuxième châssis rotatif (120) et raccordé à au moins un conducteur de distribution (119), et au moins un deuxième membre (1142) fixé au manchon (121) et raccordé à au moins un conducteur de distribution (1181, 1182);
  • un premier système d'entraínement (140, 141, 142) apte à provoquer la rotation du premier châssis rotatif (110) autour dudit axe (103);
  • un deuxième système d'entraínement (150, 151, 152) apte à provoquer la rotation du deuxième châssis rotatif (120) autour dudit axe (103).
According to the invention, the mechanical and electrical rotary connection device (100) between a transport module, typically a carriage, (6) and handling and intervention members (7, 8, 9, 10, 11) of an igneous electrolysis aluminum production plant is characterized in that it comprises:
  • a "fixed" frame (101) intended to be fixed to said transport module (6) and comprising a hub (102) defining an axis of rotation (103), which axis is typically perpendicular to the main plane of said fixed frame;
  • a sleeve (121) surrounding said hub (102) and rotatable about said hub (102) and about said axis of rotation (103),
  • a first "rotary" chassis (110) rotatable about said axis of rotation (103) and driving said sleeve (121) in rotation, and intended to carry at least one handling and intervention member (7, 8 , 9, 10, 11);
  • a second so-called "rotary" chassis (120) rotatable about said sleeve (121) and said axis of rotation (103), and intended to carry at least one handling and intervention member (7, 8, 9, 10 , 11);
  • a first plurality of rotatable sliding electrical contacts (113) each having at least one first member (1131) attached to the fixed frame (101) and connected to at least one outer conductor (117), and at least one second fixed member (1132) to the sleeve (121) and connected to at least one distribution conductor (118, 1181, 1182);
  • a second plurality of rotatable sliding electrical contacts (114) each having at least one first member (1141) attached to the second rotatable frame (120) and connected to at least one distribution conductor (119), and at least one second member (1142) ) attached to the sleeve (121) and connected to at least one distribution conductor (1181, 1182);
  • a first drive system (140, 141, 142) adapted to cause rotation of the first rotatable frame (110) about said axis (103);
  • a second drive system (150, 151, 152) adapted to cause rotation of the second rotating frame (120) about said axis (103).

Le moyeu (102) est bloqué en rotation par rapport au châssis fixe (101). En utilisation, le châssis fixe (101) est typiquement au-dessus des châssis rotatifs (110, 120). L'axe de rotation (103) est normalement sensiblement vertical.The hub (102) is locked in rotation relative to the fixed frame (101). In use, the fixed frame (101) is typically above the rotary frames (110, 120). The axis of rotation (103) is normally substantially vertical.

Le premier châssis rotatif (110) tourne avec le manchon (121) et l'entraíne en rotation typiquement par un moyen mécanique (123) tel qu'un doigt.The first rotary frame (110) rotates with the sleeve (121) and drives it in rotation typically by mechanical means (123) such as a finger.

Lesdites pluralités de contacts électriques glissants rotatifs (113, 114) comprennent typiquement des bagues ou des pistes fixées au manchon (121) et des balais ou des frotteurs fixés aux châssis (101, 120). Le nombre de contacts électriques glissants rotatifs est typiquement de quelques dizaines à plusieurs dizaines. Ils permettent notamment de transférer des signaux de contrôle et de la puissance électrique. Lesdites pluralités de contacts électriques (113, 114) sont avantageusement protégées par un caisson (115, 116). Les châssis (101, 110, 120) comprennent typiquement des ouvertures pour faire passer lesdits conducteurs extérieurs et de distribution.Said pluralities of rotating sliding electrical contacts (113, 114) comprise typically rings or tracks attached to the sleeve (121) and brooms or wipers attached to the frames (101, 120). The number of sliding electrical contacts rotary is typically from a few tens to several tens. They allow in particular to transfer control signals and electrical power. Said pluralities of electrical contacts (113, 114) are advantageously protected by a box (115, 116). The frames (101, 110, 120) typically comprise openings for passing said outer conductors and distribution.

Les conducteurs extérieurs (117) sont normalement fixes par rapport au châssis fixe. Les conducteurs de distribution (118, 1181, 1182, 119) sont des conducteurs électriques du dispositif de liaison qui sont susceptibles d'être entraínés par la rotation des châssis rotatifs (110, 120). Les conducteurs de distribution comprennent une première série de conducteurs (118, 1181, 1182) qui sont normalement fixes par rapport au manchon (121) et au premier châssis rotatif (110), et une deuxième série de conducteurs (119) qui sont normalement fixes par rapport au deuxième châssis rotatif (120).The outer conductors (117) are normally fixed relative to the fixed frame. The distribution conductors (118, 1181, 1182, 119) are conductors electrical devices of the connecting device which are likely to be driven by the rotation of the rotary frames (110, 120). Distribution drivers include a first series of conductors (118, 1181, 1182) which are normally fixed by relative to the sleeve (121) and to the first rotary frame (110), and a second series conductors (119) which are normally fixed relative to the second frame rotary (120).

Dans un mode de réalisation avantageux de l'invention, le dispositif de liaison (100) comprend en outre :

  • un premier palier annulaire (111) entre le châssis fixe (101) et le premier châssis rotatif (110) apte à permettre la rotation entre ces deux châssis autour de l'axe de rotation (103);
  • un deuxième palier annulaire (112) entre le premier châssis rotatif (110) et le deuxième châssis rotatif (120) apte à permettre la rotation entre ces deux châssis autour de l'axe de rotation (103).
In an advantageous embodiment of the invention, the connecting device (100) further comprises:
  • a first annular bearing (111) between the fixed frame (101) and the first rotary frame (110) adapted to allow rotation between these two frames about the axis of rotation (103);
  • a second annular bearing (112) between the first rotary frame (110) and the second rotary frame (120) adapted to allow rotation between these two frames about the axis of rotation (103).

Les paliers annulaires (111, 112) sont typiquement des paliers à roulement, tels que des couronnes à rouleaux.The annular bearings (111, 112) are typically rolling bearings, such as roller crowns.

Le dispositif de liaison (100) selon l'invention comprend avantageusement un ou des moyens d'assemblage pour maintenir lesdits châssis (101, 110, 120) dans une position axiale déterminée. Ces moyens d'assemblages peuvent être en tout ou partie intégrés aux paliers annulaires (111, 112).The connecting device (100) according to the invention advantageously comprises one or more joining means for holding said frames (101, 110, 120) in a determined axial position. These assembly means may be in whole or in part integrated in the annular bearings (111, 112).

Les systèmes d'entraínement (140, 141, 142, 150, 151, 152) comprennent typiquement un moteur (140, 150), un pignon (141, 151) et une couronne dentée (142) ou une roue dentée (152). Le moteur (140, 150) et la couronne (142, 152) peuvent être fixés respectivement au châssis fixe (101) et à l'un des châssis rotatifs (110, 120), ou inversement. Le moteur (140, 150) peut être fixé au châssis rotatif ou fixe par un moyen mécanique tel qu'un bras (153).Training systems (140, 141, 142, 150, 151, 152) include typically a motor (140, 150), a pinion (141, 151) and a ring gear (142) or a gear wheel (152). The engine (140, 150) and the crown (142, 152) can be fixed respectively to the fixed frame (101) and to one of the rotary frames (110, 120), or vice versa. The motor (140, 150) can be attached to the rotating frame or fixed by a mechanical means such as an arm (153).

Selon une autre variante possible de l'invention, les systèmes d'entraínement (140, 141, 142, 150, 151, 152) peuvent comprendre un ou des galets d'entraínement par adhérence et au moins une piste.According to another possible variant of the invention, the drive systems (140, 141, 142, 150, 151, 152) may comprise one or more drive rollers by adhesion and at least one track.

Le dispositif de liaison (100) comprend avantageusement des paliers annulaires complémentaires (160, 161, 162, 163, 164) entre le manchon (121) et le châssis fixe (101), éventuellement par l'intermédiaire du moyeu (102) - tel qu'illustré à la figure 3 - et/ou des paliers annulaires complémentaires (170, 171) entre le manchon (121) et le deuxième châssis rotatif (120). Ces paliers complémentaires permettent d'éviter les déplacements latéraux des éléments rotatifs (110, 120, 121). The connecting device (100) advantageously comprises annular bearings complementary (160, 161, 162, 163, 164) between the sleeve (121) and the fixed frame (101), possibly via the hub (102) - as shown in FIG. 3 and / or complementary annular bearings (170, 171) between the sleeve (121) and the second rotary frame (120). These complementary levels make it possible to avoid lateral movements of the rotating elements (110, 120, 121).

Selon une variante avantageuse de l'invention, le dispositif de liaison comporte également des moyens de liaison pneumatique et/ou hydraulique rotatifs (130, 131, 132, 133) entre le châssis fixe (101) et au moins un des châssis rotatif (110, 120), et de préférence les deux, et donc pour au moins une des tourelles. Ces moyens de liaison permettent notamment une alimentation en air comprimé des organes de manutention et d'intervention. Ces moyens comportent avantageusement une cavité axiale (130) dans l'arbre de central (102), des joints tournants étanches (131, 132) et des canalisations complémentaires (133, 134).According to an advantageous variant of the invention, the connecting device comprises also pneumatic and / or hydraulic rotary connection means (130, 131, 132, 133) between the fixed frame (101) and at least one of the rotary frames (110, 120), and preferably both, and therefore for at least one of the turrets. These means of particularly allow a supply of compressed air to the handling and intervention. These means advantageously comprise a cavity axial (130) in the central shaft (102), sealed rotating joints (131, 132) and complementary lines (133, 134).

Dans un mode de réalisation préféré de l'invention illustré à la figure 3, le premier châssis rotatif (110) se situe entre le châssis fixe (101) et le deuxième châssis rotatif (120). Dans ce mode de réalisation de l'invention, le système d'entraínement du deuxième châssis rotatif (120) comporte de préférence une roue dentée (152) fixée au moyeu (102) et un moteur (150) fixé au deuxième châssis rotatif (120) et muni d'un pignon (151).In a preferred embodiment of the invention illustrated in FIG. rotary frame (110) is located between the fixed frame (101) and the second rotary frame (120). In this embodiment of the invention, the drive system of the second rotary frame (120) preferably comprises a toothed wheel (152) attached to the hub (102) and a motor (150) attached to the second rotary frame (120) and provided with a pinion (151).

L'invention a également pour objet un module de service (5) destiné à être utilisé dans une usine de production d'aluminium par électrolyse ignée et comprenant un chariot (6) et des organes de manutention et d'intervention (7, 8, 9, 10, 11), caractérisé en ce qu'il comprend en outre:

  • un dispositif de liaison (100) selon l'invention, relié au dit chariot (6) par ledit châssis fixe (101);
  • une première tourelle (110') formée par ledit premier châssis rotatif (110) ou reliée au dit premier châssis rotatif (110) et comportant au moins un premier organe de manutention et d'intervention (7, 8, 9, 10, 11);
  • une deuxième tourelle (120') formée par ledit deuxième châssis rotatif (120) ou reliée au dit deuxième châssis rotatif (120) et comportant au moins un deuxième organe de manutention et d'intervention (7, 8, 9, 10, 11).
The invention also relates to a service module (5) intended to be used in an igneous electrolysis aluminum production plant and comprising a trolley (6) and handling and intervention members (7, 8, 9, 10, 11), characterized in that it further comprises:
  • a connecting device (100) according to the invention, connected to said carriage (6) by said fixed frame (101);
  • a first turret (110 ') formed by said first rotary frame (110) or connected to said first rotary frame (110) and having at least a first handling and intervention member (7, 8, 9, 10, 11) ;
  • a second turret (120 ') formed by said second rotary frame (120) or connected to said second rotary frame (120) and having at least one second handling and intervention member (7, 8, 9, 10, 11) .

Par exemple, la première tourelle (110') comprend typiquement une cabine de commande (11) et une trémie (10) contenant le produit de couverture des anodes. La deuxième tourelle (120') comprend typiquement les différents outils de service des cellules d'électrolyse, tels qu'un dispositif de piquage (8) destiné à casser la croûte d'alumine et de cryolithe qui se forme autour et entre les anodes, une pelle (7) destinée à l'enlèvement des éléments solides contenus dans une cellule d'électrolyse au moment d'un changement d'anode et un système de manutention des anodes (9) destiné à l'extraction des anodes usées et à la mise en place des anodes neuves.For example, the first turret (110 ') typically comprises a cabin of control (11) and a hopper (10) containing the anode cover product. The second turret (120 ') typically comprises the various service tools of the electrolysis cells, such as a quilting device (8) intended to break the crust of alumina and cryolite that forms around and between the anodes, a shovel (7) intended for the removal of solid elements contained in an electrolysis cell at the time of anode change and anode handling system (9) intended for the extraction of spent anodes and the placement of new anodes.

Le dispositif de liaison (100) est alors typiquement placé de manière à ce que les châssis rotatifs (110, 120) se situent en dessous du châssis fixe (101) lorsque le chariot (6) est en position d'utilisation sur le pont roulant (4).The linking device (100) is then typically placed so that the rotary frames (110, 120) are located below the fixed frame (101) when the carriage (6) is in use position on the traveling crane (4).

Le module de service selon l'invention permet à l'opérateur d'avoir une grande visibilité sur la cellule d'électrolyse et sur les outils ou organes de manutention et d'intervention de lors de ses interventions. Il permet également de simplifier la tâche de l'opérateur, en lui évitant notamment des rotations angulaires importantes par rapport à son point initial. Il permet en outre d'utiliser un même module dans des salles d'électrolyse distinctes dans lesquelles les cellules d'électrolyse ne sont pas orientées de la même manière.The service module according to the invention allows the operator to have a large visibility on the electrolysis cell and on the tools or handling devices and intervention during his interventions. It also simplifies the task of the operator, in particular by avoiding significant angular rotations by report at its initial point. It also makes it possible to use the same module in separate electrolysis rooms in which the electrolysis cells are not oriented in the same way.

L'invention a également pour objet une unité de service (3) d'une usine de production d'aluminium par électrolyse ignée comprenant un pont roulant (4) et au moins un module de service (5) selon l'invention.The invention also relates to a service unit (3) of a production plant of igneous electrolysis aluminum comprising a crane (4) and at least one service module (5) according to the invention.

L'invention a encore pour objet l'utilisation d'un module de service (5) ou d'une unité de service (3) selon l'invention pour les interventions sur des cellules d'électrolyse (2) destinées à la production d'aluminium par électrolyse ignée.Another subject of the invention is the use of a service module (5) or a service unit (3) according to the invention for interventions on cells electrolysis process (2) for the production of aluminum by igneous electrolysis.

Liste des repères numériquesList of numerical references

11
Salle d'électrolyseElectrolysis room
22
Cellule d'électrolyseElectrolysis cell
33
Unité de service Service unit
44
Pont roulantOverhead crane
55
Module de serviceService module
66
Chariottrolley
77
PelleShovel
88
Dispositif de piquageQuilting device
99
Système de manutention des anodesAnode handling system
1010
Trémiehopper
1111
Cabine de commandeCommand booth
2121
AnodeAnode
2222
Tige d'anodeAnode rod
30, 30'30, 30 '
Chemins de roulement du pont mobileRunways of the moving bridge
100100
Dispositif de liaison mécanique et électriqueMechanical and electrical connection device
101101
Châssis fixeFixed frame
102102
MoyeuHub
103103
Axe de rotation du moyeuHub rotation axis
110110
Premier châssis rotatifFirst rotating chassis
110'110 '
Première tourelleFirst turret
111111
Premier palier annulaireFirst annular bearing
112112
Deuxième palier annulaireSecond annular bearing
113113
Première pluralité de contacts électriques glissants rotatifsFirst plurality of rotating sliding electrical contacts
114114
Deuxième pluralité de contacts électriques glissants rotatifsSecond plurality of rotating sliding electrical contacts
1131,11411131.1141
Premiers membres, dits "extérieurs", de chaque contact électriqueFirst members, called "outside", of each electrical contact
1132, 11421132, 1142
Deuxièmes membres, dits "intérieurs", de chaque contact électriqueSecond members, called "interiors", of each electrical contact
115, 116115, 116
Caissons de protectionProtective boxes
117117
Conducteurs électriques extérieursOutdoor electrical conductors
118, 1181, 1182118, 1181, 1182
Conducteurs de distributionDistribution conductors
119119
Conducteurs de distributionDistribution conductors
120120
Deuxième châssis rotatifSecond rotary chassis
120'120 '
Deuxième tourelleSecond turret
121121
ManchonMuff
122122
Corps du joint tournantRotating joint body
123123
Moyen d'entraínement en rotation Means of rotational drive
130130
Cavité axiale du moyeuAxial cavity of the hub
131, 132131, 132
Joints tournants étanchesSealed rotating joints
133, 134133, 134
Canalisationspipelines
140, 150140, 150
Moteur d'entraínementDriving motor
141, 151141, 151
PignonPinion
142142
Couronne dentéeToothed crown
152152
Roue dentéeGear wheel
153153
BrasArms
160,..., 164160, ..., 164
Paliers annulaires complémentairesSupplementary annular bearings
170, 171170, 171
Paliers annulaires complémentairesSupplementary annular bearings

Claims (14)

  1. Rotating mechanical and electrical connecting device (100) between a transport module, typically a trolley, (6) and handling and working devices (7, 8, 9, 10, 11) in a fused bath electrolysis aluminium production plant, characterised in that it comprises:
    a "fixed" frame (101) designed to be fitted to the said transport module (6) and comprising a hub (102) defining a rotation axis (103);
    a sleeve (121) surrounding the said hub (102) and capable of rotating about the hub (102) and about the said rotation axis (103),
    a first "rotating" frame (110) capable of rotating about the said rotation axis (103) and driving the said sleeve (121) in rotation, and designed to carry at least one handling and working device (7, 8, 9, 10, 11);
    a second "rotating" frame (120) capable of rotating about the said sleeve (121) and the said rotation axis (103), and designed to carry at least one handling and working device (7, 8, 9, 10, 11);
    a first plurality of sliding and rotating electrical contacts (113) each comprising at least one first member (1131) fixed to the fixed frame (101) and connected to at least one external conductor (117), and at least one second member (1132) fixed to the sleeve (121) and connected to at least one distribution conductor (118, 1181, 1182);
    a second plurality of sliding and rotating electrical contacts (114) each comprising at least one first member (1141) fixed to the second rotating frame (120) and connected to at least one distribution conductor (119), and at least one second member (1142) fixed to the sleeve (121) and connected to at least one distribution conductor (1181, 1182);
    a first drive system (140, 141, 142) capable of rotating the first rotating frame (110) about the said axis (103);
    a second drive system (150, 151, 152) capable of rotating the second rotating frame (120) about the said axis (103).
  2. Connecting device (100) according to claim 1, characterised in that it also comprises:
    a first annular bearing (111) between the fixed frame (101) and the first rotating frame (110) enabling rotation between these two frames about the rotation axis (103);
    a second annular bearing (112) between the first rotating frame (110) and the second rotating frame (120) enabling rotation between these two frames about the rotation axis (103).
  3. Connecting device (100) according to either of claim 1 or 2, characterised in that the drive systems (140, 141, 142, 150, 151, 152) comprise a motor (140, 150), a gear (141, 151) and a toothed ring (142) or a toothed wheel (152).
  4. Connecting device (100) according to either of claim 1 or 2, characterised in that the drive systems (140, 141, 142, 150, 151, 152) comprise one or more drive wheels based on surface grip and at least one track.
  5. Connecting device (100) according to any one of claims 1 to 4, characterised in that it comprises complementary annular bearings (160, 161, 162, 163, 164) between the sleeve (121) and the fixed frame (101), possibly through the hub (102) and/or complementary annular bearings (170, 171) between the sleeve (121) and the second rotating frame (120).
  6. Connecting device (100) according to any one of claims 1 to 5, characterised in that it also comprises rotating pneumatic and/or hydraulic connecting means (130, 131, 132, 133, 134) between the fixed frame (101) and at least one of the rotating frames (110, 120).
  7. Connecting device (100) according to claim 6, characterised in that the rotating pneumatic connecting means (130, 131, 132, 133) comprise an axial cavity (130) in the central shaft (102), sealed rotating joints (131, 132) and complementary conduits (133, 134).
  8. Connecting device (100) according to any one of claims 1 to 7, characterised in that the first rotating frame (110) is located between the fixed frame (101) and the second rotating frame (120).
  9. Connecting device (100) according to claim 8, characterised in that the drive system of the second rotating frame (120) comprises a toothed wheel (152) fixed to the hub (102) and a motor (150) fixed to the second rotating frame (120) and fitted with a gear (151).
  10. Pot tending module (5) for use in a fused bath electrolysis aluminium production plant and comprising a trolley (6) and handling and working devices (7, 8, 9, 10, 11), characterised in that it also comprises:
    a connecting device (100) according to any one of claims 1 to 9, linked to the said trolley (6) through the said fixed frame (101);
    a first turret (110') formed by the said first rotating frame (110) or linked to the said first rotating frame (110) and comprising at least one first handling and working device (7, 8, 9, 10, 11);
    a second turret (120') formed by the said second rotating frame (120) or linked to the said second rotating frame (120) and comprising at least one second handling and working device (7, 8, 9, 10, 11).
  11. Pot tending module (5) according to claim 10, characterised in that the connecting device (100) is placed so that the rotating frames (110, 120) are located below the fixed frame (101) when the trolley (6) is in working position on the travelling crane (4).
  12. Pot-tending unit (3) for a fused bath electrolysis aluminium production plant comprising a travelling crane (4) and at least one pot tending module (5) according to either of claim 10 or 11.
  13. Use of a pot-tending module (5) according to either of claim 10 or 11 for doing work on electrolytic cells (2) designed for the production of aluminium by fused bath electrolysis.
  14. Use of a pot-tending unit (3) according to claim 12 for doing work on electrolytic cells (2) designed for the production of aluminium by fused bath electrolysis.
EP03356013A 2003-01-31 2003-01-31 Service machine for electrolytic cells in aluminium production Expired - Lifetime EP1443128B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE60300977T DE60300977T2 (en) 2003-01-31 2003-01-31 Operating machine for electrolysis cells in aluminum production
EP03356013A EP1443128B1 (en) 2003-01-31 2003-01-31 Service machine for electrolytic cells in aluminium production
AT03356013T ATE299193T1 (en) 2003-01-31 2003-01-31 OPERATING MACHINE FOR ELECTROLYSIS CELLS IN ALUMINUM PRODUCTION
ARP040100126A AR042735A1 (en) 2003-01-31 2004-01-16 ELECTROLYSIS CELL SERVICE SERVICE FOR ALUMINUM PRODUCTION
US10/539,116 US20060060469A1 (en) 2003-01-31 2004-01-28 Serving machine for electrolysis cells for producing aluminium
CNB2004800028800A CN100485094C (en) 2003-01-31 2004-01-28 Serving machine for electrolysis cells for producing aluminium
CA2512745A CA2512745C (en) 2003-01-31 2004-01-28 Servicing machine for electrolysis cells for producing aluminium
PCT/FR2004/000189 WO2004070086A2 (en) 2003-01-31 2004-01-28 Servicing machine for electrolysis cells for producing aluminium
BR0407135-2A BRPI0407135A (en) 2003-01-31 2004-01-28 Aluminum Production Electrolysis Cell Service Machine
IS8000A IS8000A (en) 2003-01-31 2005-08-29 An engine that monitors semerical electrolytic cells used in aluminum production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03356013A EP1443128B1 (en) 2003-01-31 2003-01-31 Service machine for electrolytic cells in aluminium production

Publications (2)

Publication Number Publication Date
EP1443128A1 EP1443128A1 (en) 2004-08-04
EP1443128B1 true EP1443128B1 (en) 2005-07-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03356013A Expired - Lifetime EP1443128B1 (en) 2003-01-31 2003-01-31 Service machine for electrolytic cells in aluminium production

Country Status (10)

Country Link
US (1) US20060060469A1 (en)
EP (1) EP1443128B1 (en)
CN (1) CN100485094C (en)
AR (1) AR042735A1 (en)
AT (1) ATE299193T1 (en)
BR (1) BRPI0407135A (en)
CA (1) CA2512745C (en)
DE (1) DE60300977T2 (en)
IS (1) IS8000A (en)
WO (1) WO2004070086A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU208323U1 (en) * 2021-07-30 2021-12-14 Общество с ограниченной ответственностью "Инжиниринг Строительство Обслуживание" DEVICE FOR LOADING FLUID RAW MATERIALS INTO ELECTROLYSER FOR PRODUCING ALUMINUM

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RU208323U1 (en) * 2021-07-30 2021-12-14 Общество с ограниченной ответственностью "Инжиниринг Строительство Обслуживание" DEVICE FOR LOADING FLUID RAW MATERIALS INTO ELECTROLYSER FOR PRODUCING ALUMINUM

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WO2004070086A8 (en) 2004-10-21
IS8000A (en) 2005-08-29
DE60300977T2 (en) 2006-04-20
WO2004070086A2 (en) 2004-08-19
US20060060469A1 (en) 2006-03-23
AR042735A1 (en) 2005-06-29
BRPI0407135A (en) 2006-02-07
CA2512745C (en) 2011-11-29
ATE299193T1 (en) 2005-07-15
DE60300977D1 (en) 2005-08-11
CN100485094C (en) 2009-05-06
CA2512745A1 (en) 2004-08-19
EP1443128A1 (en) 2004-08-04
WO2004070086A3 (en) 2004-11-18
CN1742117A (en) 2006-03-01

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