CA2467019A1 - A method for designing a pre-bake electrolysis cell system and an arrangement for use in this system - Google Patents

A method for designing a pre-bake electrolysis cell system and an arrangement for use in this system Download PDF

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Publication number
CA2467019A1
CA2467019A1 CA002467019A CA2467019A CA2467019A1 CA 2467019 A1 CA2467019 A1 CA 2467019A1 CA 002467019 A CA002467019 A CA 002467019A CA 2467019 A CA2467019 A CA 2467019A CA 2467019 A1 CA2467019 A1 CA 2467019A1
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CA
Canada
Prior art keywords
storage arrangements
cells
arrangement
storage
accordance
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
CA002467019A
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French (fr)
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CA2467019C (en
Inventor
Stig Laegreid
Lars Magne Bjorbekk
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.)
Norsk Hydro ASA
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2467019A1 publication Critical patent/CA2467019A1/en
Application granted granted Critical
Publication of CA2467019C publication Critical patent/CA2467019C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The present invention concerns a method and an arrangement for use in an electrolysis cell system, comprising a hall with electrolysis cells (C) that use anodes of the pre-bake type for the production of aluminium. The inventi on comprises temporary storage of consumed anodes and other material that are removed from the cells in closable storage arrangements (A, B) arranged in t he hall. The storage arrangements can be connected to an extraction system. Furthermore, during use, the storage arrangements (A, B) are placed at a distance from the cells (C) so that the operations performed on the cells ar e not obstructed by the storage arrangements. The storage arrangements (A, B) are also designed to be connected to an extraction system (4, 5) placed at a distance from the cells. The storage arrangements are specially designed wit h means to reduce emissions of gas to the surroundings and to enhance the efficiency of the cooling process. They are also designed to be transported by a vehicle (42).

Claims (10)

1. A method for the operation of an electrolysis cell system, comprising a hall with electrolysis cells (C) that use anodes of the pre-bake type for the production of aluminium, comprising temporary storage of consumed anodes and other material that are removed from the cells in closable storage arrangements (A, B) arranged in the hall, where the storage arrangements are connected to an extraction system, characterised in that the storage arrangements (A, B) are arranged at a distance from the cells (C) so that the operations performed on the cells are not obstructed by the storage arrangements, and the storage arrangements are also designed to be connected to an extraction system (4,5) placed at a distance from the cells (C).
2. A method in accordance with claim 1, where the electrolysis system consists of two parallel rows of electrolysis cells (1,2) at a distance from each other, characterised in that the storage arrangements (A,B) are arranged in a formation along a line (3) that is located between the cell rows and is symmetrical in relation to them.
3. A method in accordance with claims 1-2, characterised in that the storage arrangements (A, B) are also designed for transportation, and used anodes and material from the cells (C) are transported out of the hall in the storage arrangements, while new anodes are transported into the hall using the same arrangements.
4. An arrangement for use in an electrolysis cell system, comprising a hall with electrolysis cells (C) that use anodes of the pre-bake type for the production of aluminium, comprising temporary storage of consumed anodes and other material that are removed from the cells in closable storage arrangements (A,B) arranged in the hall, where the storage arrangements can be connected to an extraction system, characterised in that the storage arrangements (A, B) are arranged at a distance from the cells (C) so that the operations performed on the cells are not obstructed by the storage arrangements, and the storage arrangements (A,B) are also designed to be connected to an extraction system (4,5) placed at a distance from the cells.
5. An arrangement in accordance with claim 4, characterised in that the storage arrangements (A, B) are designed to be transported by a vehicle (42) comprising a manipulator arm (43) with a hook (40) at its end, and the storage arrangements are fitted with a bow (41).
6. An arrangement in accordance with claim 5, characterised in that the vehicle (42) comprises means (45) for handling one or more covers (25).
7. An arrangement in accordance with claim 4, characterised in that the storage arrangements (A, B) comprise at least one opening (12) with means (15) for rapid connection to the extraction system (4,5).
8. An arrangement in accordance with claim 7, characterised in that the means (15) comprise projections (15',15",15"') that interact with a flange (14) arranged on a hose (10) in the extraction system (4).
9. An arrangement in accordance with claim 4, characterised in that the storage arrangements (A, B) are provided with openings (30,31,32,33) to let in ambient air.
10. An arrangement in accordance with claim 4, characterised in that the storage arrangements (A, B) are fitted with extraction openings (36,37,38) in their upper parts.
CA2467019A 2001-11-14 2002-11-01 A method for designing a pre-bake electrolysis cell system and an arrangement for use in this system Expired - Lifetime CA2467019C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20015573A NO315278B1 (en) 2001-11-14 2001-11-14 Method of operating a pre-baked electrolytic cell system, as well as arrangement for use in the same
NO20015573 2001-11-14
PCT/NO2002/000399 WO2003042618A1 (en) 2001-11-14 2002-11-01 A method for operating a pre-bake electrolysis cell system and an arrangement for use in this system

Publications (2)

Publication Number Publication Date
CA2467019A1 true CA2467019A1 (en) 2003-05-22
CA2467019C CA2467019C (en) 2012-08-21

Family

ID=19913026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2467019A Expired - Lifetime CA2467019C (en) 2001-11-14 2002-11-01 A method for designing a pre-bake electrolysis cell system and an arrangement for use in this system

Country Status (4)

Country Link
EP (1) EP1446625A1 (en)
CA (1) CA2467019C (en)
NO (1) NO315278B1 (en)
WO (1) WO2003042618A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015059558A1 (en) * 2013-10-25 2015-04-30 Rio Tinto Alcan International Limited Handling device, aluminium smelter comprising the device and handling unit for using said device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO328467B1 (en) * 2005-12-09 2010-02-22 Norsk Hydro As Method and apparatus for encapsulating an electrolysis cell
SI2074242T1 (en) * 2006-10-18 2018-04-30 Alcoa Inc. Electrode containers and associated methods
CA2673431C (en) * 2006-12-21 2012-07-03 Danieli Corus Technical Services Bv Apparatus and method for the removal of gasses
FR2953223B1 (en) 2009-12-02 2012-01-27 Alcan Int Ltd METHOD FOR CHANGING A WEEE ANODE AND SUPPORT AND SYSTEM FOR TEMPORARILY STORING SUCH A WASTE ANODE
FR3012389B1 (en) 2013-10-25 2015-10-30 Rio Tinto Alcan Int Ltd SYSTEM FOR MANAGING LOGISTIC FLOW OF AN ELECTROLYSIS FACTORY, ALUMINUM COMPRISING THIS SYSTEM, VEHICLE FOR IMPLEMENTING SAID SYSTEM AND METHOD FOR IMPLANTING IT IN AN ELECTROLYSIS FACTORY
FR3016892B1 (en) * 2014-01-27 2016-01-15 Rio Tinto Alcan Int Ltd DEVICE FOR PREHEATING AN ANODE ASSEMBLY.
FR3016891B1 (en) * 2014-01-27 2017-08-04 Rio Tinto Alcan Int Ltd DEVICE FOR STORING A CHARGE ABOVE AN ELECTROLYSIS TANK
FR3030580B1 (en) * 2014-12-23 2018-10-12 Rio Tinto Alcan International Limited CONTAINMENT SYSTEM FOR AN ANODE ASSEMBLY
NO20181483A1 (en) 2018-11-20 2020-05-21 Norsk Hydro As A method and equipment for storing and transporting hot gas emitting components

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033713A1 (en) * 1990-10-24 1992-04-30 Westfalia Becorit Ind Tech DEVICE FOR COOLING THE BURNED ANODES OF ELECTROLYTIC MELTING BATHS
DE4221882A1 (en) * 1992-07-03 1994-01-05 Westfalia Becorit Ind Tech Transport device for removing used anodes in aluminium@ melting furnaces - comprises containers provided with gas filter units and closable door to prevent fluorine@ emission
FR2754832B1 (en) * 1996-10-23 1998-11-27 Pechiney Aluminium PROCESS FOR CHANGING ANODES USED IN ALUMINUM ELECTROLYSIS TANKS AND GAS EFFLUENT COLLECTION DEVICE ALLOWING IT TO BE USED
NO980430L (en) * 1998-01-30 1999-08-02 Norsk Hydro As Process and equipment for handling ball bodies and other material
FR2806742B1 (en) * 2000-03-24 2002-05-03 Pechiney Aluminium INSTALLATION OF FACILITIES OF AN ELECTROLYSIS PLANT FOR THE PRODUCTION OF ALUMINUM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015059558A1 (en) * 2013-10-25 2015-04-30 Rio Tinto Alcan International Limited Handling device, aluminium smelter comprising the device and handling unit for using said device

Also Published As

Publication number Publication date
EP1446625A1 (en) 2004-08-18
CA2467019C (en) 2012-08-21
NO20015573D0 (en) 2001-11-14
WO2003042618A1 (en) 2003-05-22
NO315278B1 (en) 2003-08-11
NO20015573L (en) 2003-05-15

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Effective date: 20221101