EP1443128A1 - Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion - Google Patents

Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion Download PDF

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Publication number
EP1443128A1
EP1443128A1 EP03356013A EP03356013A EP1443128A1 EP 1443128 A1 EP1443128 A1 EP 1443128A1 EP 03356013 A EP03356013 A EP 03356013A EP 03356013 A EP03356013 A EP 03356013A EP 1443128 A1 EP1443128 A1 EP 1443128A1
Authority
EP
European Patent Office
Prior art keywords
rotary
chassis
rotation
fixed
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.)
Granted
Application number
EP03356013A
Other languages
English (en)
French (fr)
Other versions
EP1443128B1 (de
Inventor
Patrick Delescluse
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.)
Fives ECL SAS
Original Assignee
ECL 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
Application filed by ECL SAS filed Critical ECL SAS
Priority to DE60300977T priority Critical patent/DE60300977T2/de
Priority to EP03356013A priority patent/EP1443128B1/de
Priority to AT03356013T priority patent/ATE299193T1/de
Priority to ARP040100126A priority patent/AR042735A1/es
Priority to CA2512745A priority patent/CA2512745C/fr
Priority to CNB2004800028800A priority patent/CN100485094C/zh
Priority to PCT/FR2004/000189 priority patent/WO2004070086A2/fr
Priority to BR0407135-2A priority patent/BRPI0407135A/pt
Priority to US10/539,116 priority patent/US20060060469A1/en
Publication of EP1443128A1 publication Critical patent/EP1443128A1/de
Application granted granted Critical
Publication of EP1443128B1 publication Critical patent/EP1443128B1/de
Priority to IS8000A priority patent/IS8000A/is
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 the Hall-Héroult process. It relates more particularly to service machines overhead crane used in said factories.
  • Aluminum metal is produced industrially by igneous electrolysis, namely by electrolysis of alumina in solution in a molten cryolite bath, called bath electrolyte, according to the well-known Hall-Héroult process.
  • the electrolyte bath is contained in cells, 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. Carbon material anodes are partially submerged in the electrolyte bath.
  • the unit formed by a tank electrolysis cell, its anodes and the electrolyte bath is called an electrolysis cell.
  • the factories 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 floor space factories.
  • the cells are usually arranged so as to form two or several parallel lines which are electrically linked together by conductors end. The electrolysis current thus cascades from one cell to the next.
  • an electrolysis plant requires interventions on the cells electrolysis which include, in particular, the replacement of anodes worn by new anodes, the removal of liquid metal from the cells and the electrolyte samples or additions.
  • the factories more modern are equipped with one or more service units including a movable bridge which can be translated above 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 mobile bridge.
  • tools often called "electrolysis service machines” or “M.S.E” (“PTA” or “Pot Tending Assembly “or” PTM “or” Pot Tending Machine "in English).
  • the subject of the invention is a rotary mechanical and electrical connection device between a transport module, typically a trolley, and handling components and intervention of an aluminum production plant by igneous electrolysis, characterized in that it comprises a so-called “fixed” chassis provided with a straight hub or shaft, a sleeve surrounding the hub and able to rotate around it, a first and a second so-called “rotary” chassis able to rotate around the sleeve, contacts electric rotary sliding between the chassis and drive systems for cause the chassis to rotate relative to each other about an axis common.
  • the two rotary chassis and the sleeve of the connection device of the invention are intended to rotate around a common axis of rotation, which is typically vertical in use, and independently of each other.
  • the rotation of the chassis and sleeve is then called “coaxial".
  • the sleeve is rotated by the first rotary chassis, typically by mechanical means, such as a finger.
  • the connecting device according to the invention allows unlimited angular rotation between the three chassis, while ensuring a permanent electrical connection between them.
  • the independence of chassis rotation increases the comfort and efficiency of the operator.
  • FIG. 1 illustrates a typical electrolysis room, seen in section, intended for the production of aluminum and including a service unit represented so schematic.
  • Figure 2 illustrates, schematically and in side view, a service module an aluminum production plant by igneous electrolysis according to the invention.
  • FIG. 3 illustrates a connection device according to the invention, seen in section.
  • Electrolysis plants for the production of aluminum include a liquid aluminum production area which includes one or more rooms electrolysis (1). As illustrated in Figure 1, each electrolysis room (1) has electrolysis cells (2) and at least one "service unit” or “machine for service "(3).
  • the electrolysis cells (2) are normally arranged in rows or lines (typically side-by-side or head-to-head), each row or line comprising typically more than a hundred cells.
  • Said cells (2) include a series of anodes (21) provided with a metal rod (22) intended for fixing and electrical connection of the anodes to a metallic anode frame (not shown).
  • the service unit (3) is used to carry out operations on the cells (2) such as changing the anode or filling the feed hoppers with ground bath 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 mobile carriage (6) capable of being moved on the mobile bridge (4) and several handling and intervention devices (7, 8, 9, 10, 11), such as tools (shovels, keys, biters, ...) and control booths.
  • 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 of the cell line). The movable 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 chassis (101) is typically above the rotary chassis (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 rotary sliding electrical contacts (113, 114) comprise typically rings or tracks attached to the sleeve (121) and brushes or wipers fixed to the chassis (101, 120).
  • the number of sliding electrical contacts rotary is typically from a few tens to several tens. They allow including transferring 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 include openings for passing said external and distribution conductors.
  • Distribution conductors (118, 1181, 1182, 119) are conductors of the connection device which are likely to be driven by the rotation of the rotating frames (110, 120).
  • Distribution conductors 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 chassis rotary (120).
  • the annular bearings (111, 112) are typically rolling bearings, such as roller crowns.
  • connection device (100) advantageously comprises one or more assembly means for holding said frames (101, 110, 120) in a determined axial position.
  • assembly means can be in whole or in part integrated into the annular bearings (111, 112).
  • the drive 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 (152).
  • the motor (140, 150) and the crown (142, 152) can be fixed respectively to the fixed frame (101) and to one of the rotating frames (110, 120), or vice versa.
  • the motor (140, 150) can be fixed to the rotating chassis or fixed by mechanical means such as an arm (153).
  • the drive systems may include one or more drive rollers by grip 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 illustrated in Figure 3 - And / or complementary annular bearings (170, 171) between the sleeve (121) and the second rotating frame (120). These additional bearings make it possible to avoid lateral displacements of the rotary elements (110, 120, 121).
  • connection device comprises also rotary pneumatic and / or hydraulic connection means (130, 131, 132, 133) between the fixed chassis (101) and at least one of the rotary chassis (110, 120), and preferably both, and therefore for at least one of the turrets.
  • These means of connection allow in particular a supply of compressed air to the organs of handling and intervention.
  • These means advantageously include a cavity axial (130) in the central unit shaft (102), watertight rotary joints (131, 132) and additional pipes (133, 134).
  • the first rotating frame (110) is located between the fixed frame (101) and the second rotating frame (120).
  • the drive system of the second rotary frame (120) preferably comprises a toothed wheel (152) fixed to the hub (102) and a motor (150) fixed to the second rotary chassis (120) and provided with a pinion (151).
  • the first turret (110 ') typically includes a control (11) and a hopper (10) containing the anode covering product.
  • the second turret (120 ′) typically includes the various service tools for electrolytic cells, such as a stitching device (8) intended to break the crust alumina and cryolite which 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 an anode change and an anode handling system (9) intended for the extraction of spent anodes and for the installation of new anodes.
  • the connecting device (100) is then typically placed so that the rotating frames (110, 120) are located below the fixed frame (101) when the carriage (6) is in the position of use on the overhead 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 compared to its original 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 aluminum by igneous electrolysis comprising an overhead crane (4) and at least one service module (5) according to the invention.
  • the invention also relates to the use of a service module (5) or a service unit (3) according to the invention for interventions on cells electrolysis (2) intended 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)
EP03356013A 2003-01-31 2003-01-31 Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion Expired - Lifetime EP1443128B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE60300977T DE60300977T2 (de) 2003-01-31 2003-01-31 Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion
EP03356013A EP1443128B1 (de) 2003-01-31 2003-01-31 Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion
AT03356013T ATE299193T1 (de) 2003-01-31 2003-01-31 Bedienungsmaschine für elektrolysezellen bei der aluminiumproduktion
ARP040100126A AR042735A1 (es) 2003-01-31 2004-01-16 Maquina de servicio de celulas de electrolisis para la produccion de aluminio
CNB2004800028800A CN100485094C (zh) 2003-01-31 2004-01-28 用于生产铝的电解池的操作器
PCT/FR2004/000189 WO2004070086A2 (fr) 2003-01-31 2004-01-28 Machine de service de cellules d'electrolyse pour la production d'aluminium
CA2512745A CA2512745C (fr) 2003-01-31 2004-01-28 Machine de service de cellules d'electrolyse pour la production d'aluminium
BR0407135-2A BRPI0407135A (pt) 2003-01-31 2004-01-28 Máquina de serviço de células de eletrólise para produção de alumìnio
US10/539,116 US20060060469A1 (en) 2003-01-31 2004-01-28 Serving machine for electrolysis cells for producing aluminium
IS8000A IS8000A (is) 2003-01-31 2005-08-29 Vél sem hefur eftirlit með rafgreiningarkerum semeru notuð við álframleiðslu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03356013A EP1443128B1 (de) 2003-01-31 2003-01-31 Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion

Publications (2)

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

Family

ID=32605450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03356013A Expired - Lifetime EP1443128B1 (de) 2003-01-31 2003-01-31 Bedienungsmaschine für Elektrolysezellen bei der Aluminiumproduktion

Country Status (10)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2872175B1 (fr) * 2004-06-25 2006-07-28 Ecl Soc Par Actions Simplifiee Module de service compact destine aux usines de production d'aluminium par electrolyse
FR2913985B1 (fr) * 2007-03-23 2009-08-28 Ecl Soc Par Actions Simplifiee Module de service muni d'au moins une pince a anode et d'un moyen permettant d'exercer une force ou un choc sur la tige d'anode.
CN101503808B (zh) * 2009-03-25 2014-03-26 贵阳铝镁设计研究院有限公司 一种电解多功能机组工具小车的配置方法及装置
CN102616665B (zh) * 2011-01-27 2014-03-19 中国有色（沈阳）冶金机械有限公司 铝电解多功能起重机的下料系统
RU208323U1 (ru) * 2021-07-30 2021-12-14 Общество с ограниченной ответственностью "Инжиниринг Строительство Обслуживание" Устройство для загрузки сыпучего сырья в электролизер для получения алюминия
EP4293141A1 (de) * 2022-06-13 2023-12-20 Dubai Aluminium PJSC Anodenwartungsanordnung für eine aluminium-elektrolyseanlage und verfahren zum betreiben dafür

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663411A (en) * 1969-10-24 1972-05-16 Alusuisse Mobile furnace manipulator
FR2494724A1 (fr) * 1980-11-27 1982-05-28 Slovacke Strojirny Np Dispositif pour le service d'electrolyseurs et anodes precuites
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590457A (en) * 1969-09-15 1971-07-06 Eaton Yale & Towne Apparatus for assembling anodes for electrolytic cells
BE757942A (fr) * 1969-10-24 1971-04-01 Alusuisse Machine mobile pour le piquage des croutes de cuves d'electrolyse
FR2357765A1 (fr) * 1976-07-05 1978-02-03 Poclain Sa Verin a tige de piston en deux parties
US4400815A (en) * 1982-01-26 1983-08-23 Owens-Corning Fiberglas Corporation Electrode aligning apparatus
US5560474A (en) * 1994-08-15 1996-10-01 Southern Electrical Equipment Company Electro/mechanical actuator for circuit disconnect/connect apparatus for overhead power lines
DE10100872A1 (de) * 2001-01-11 2002-07-18 Ltn Servotechnik Gmbh Vorrichtung zum Drehen eines Körpers um zwei Achsen
FR2872175B1 (fr) * 2004-06-25 2006-07-28 Ecl Soc Par Actions Simplifiee Module de service compact destine aux usines de production d'aluminium par electrolyse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663411A (en) * 1969-10-24 1972-05-16 Alusuisse Mobile furnace manipulator
FR2494724A1 (fr) * 1980-11-27 1982-05-28 Slovacke Strojirny Np Dispositif pour le service d'electrolyseurs et anodes precuites
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

Also Published As

Publication number Publication date
DE60300977D1 (de) 2005-08-11
CA2512745C (fr) 2011-11-29
CN1742117A (zh) 2006-03-01
WO2004070086A8 (fr) 2004-10-21
ATE299193T1 (de) 2005-07-15
BRPI0407135A (pt) 2006-02-07
CN100485094C (zh) 2009-05-06
CA2512745A1 (fr) 2004-08-19
US20060060469A1 (en) 2006-03-23
WO2004070086A2 (fr) 2004-08-19
AR042735A1 (es) 2005-06-29
EP1443128B1 (de) 2005-07-06
WO2004070086A3 (fr) 2004-11-18
DE60300977T2 (de) 2006-04-20
IS8000A (is) 2005-08-29

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