EP3491174A4 - Electrolysis cell and a method for repairing same - Google Patents

Electrolysis cell and a method for repairing same Download PDF

Info

Publication number: EP3491174A4
Authority: EP; European Patent Office
Prior art keywords: electrolysis cell; repairing same; repairing; same; electrolysis
Prior art date: 2016-07-13
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.): Pending

Application number

EP17828028.5A

Other languages

German (de)

French (fr)

Other versions

EP3491174A1 (en

Inventor

Anders Lilleby

Eirik Hagen

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

Original Assignee

Norsk Hydro ASA

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.)

2016-07-13

Filing date

2017-06-01

Publication date

2020-08-19

2017-06-01 Application filed by Norsk Hydro ASA filed Critical Norsk Hydro ASA

2019-06-05 Publication of EP3491174A1 publication Critical patent/EP3491174A1/en

2020-08-19 Publication of EP3491174A4 publication Critical patent/EP3491174A4/en

Status Pending legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/10—External supporting frames or structures
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Prevention Of Electric Corrosion (AREA)
Electrolytic Production Of Metals (AREA)

EP17828028.5A 2016-07-13 2017-06-01 Electrolysis cell and a method for repairing same Pending EP3491174A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NO20161170A NO20161170A1 (en)	2016-07-13	2016-07-13	Electrolysis cell and a method for repairing same
PCT/NO2017/000018 WO2018012981A1 (en)	2016-07-13	2017-06-01	Electrolysis cell and a method for repairing same

Publications (2)

Publication Number	Publication Date
EP3491174A1 EP3491174A1 (en)	2019-06-05
EP3491174A4 true EP3491174A4 (en)	2020-08-19

Family

ID=60952140

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17828028.5A Pending EP3491174A4 (en)	2016-07-13	2017-06-01	Electrolysis cell and a method for repairing same

Country Status (8)

Country	Link
EP (1)	EP3491174A4 (en)
AU (1)	AU2017297124B2 (en)
CA (1)	CA3030237C (en)
EA (1)	EA035328B1 (en)
NO (1)	NO20161170A1 (en)
NZ (1)	NZ749316A (en)
WO (1)	WO2018012981A1 (en)
ZA (1)	ZA201900087B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB596066A (en) *	1944-07-31	1947-12-29	Ind De L Aluminium Sa	Improvements relating to cells for the electrolytic production or refining of aluminium
US3719577A (en) *	1971-03-18	1973-03-06	Aluminum Co Of America	Magnetic field control in electrolysis cells using plates and/or bars
US3783121A (en) *	1972-03-24	1974-01-01	Aluminum Co Of America	Magnetic field control in electrolysis cells
GB2060705A (en) *	1979-10-17	1981-05-07	Alusuisse	Pots for electrolytic cells
US4561958A (en) *	1984-11-30	1985-12-31	Reynolds Metals Company	Alumina reduction cell
GB2182677A (en) *	1985-11-01	1987-05-20	Mosal Alu Elkem Spigerverk	Shell for electrolytic cell for molten salt electrolysis
US6245201B1 (en) *	1999-08-03	2001-06-12	John S. Rendall	Aluminum smelting pot-cell
AU769833B2 (en) *	1999-08-13	2004-02-05	Sra Technologies Pty Ltd	Anode assembly
US6977031B1 (en) *	1999-08-13	2005-12-20	Sra Technologies Pty Ltd.	Anode assembly
WO2011072544A1 (en) *	2009-12-18	2011-06-23	中国铝业股份有限公司	Electrolytic cell for producing primary aluminum by using inert anode
CN102230186A (en) *	2011-06-29	2011-11-02	东北大学设计研究院（有限公司）	Cell shell device of aluminum electrolytic cell
CN103397346A (en) *	2013-08-05	2013-11-20	甘肃工大电子科技有限公司	Automatic checkout device for bottoming of crust-breaking hammer of aluminum electrolytic cell

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB225494A (en) *	1923-11-30	1925-02-26	Aluminum Co Of America	Improvements in or relating to methods of operating and lining electrolytic cells for electrolytic refining
US4608135A (en) *	1985-04-22	1986-08-26	Aluminum Company Of America	Hall cell
DE10122326A1 (en) *	2001-05-08	2002-11-14	Norddeutsche Affinerie	Process for repairing electrolysis cathodes
DE60209150T2 (en) *	2002-10-14	2006-11-02	Aluminium Pechiney	SEALING SYSTEM FOR ELECTROLYSIS CELL

2016
- 2016-07-13 NO NO20161170A patent/NO20161170A1/en unknown
2017
- 2017-06-01 AU AU2017297124A patent/AU2017297124B2/en active Active
- 2017-06-01 NZ NZ749316A patent/NZ749316A/en unknown
- 2017-06-01 EA EA201990280A patent/EA035328B1/en not_active IP Right Cessation
- 2017-06-01 WO PCT/NO2017/000018 patent/WO2018012981A1/en not_active Ceased
- 2017-06-01 EP EP17828028.5A patent/EP3491174A4/en active Pending
- 2017-06-01 CA CA3030237A patent/CA3030237C/en active Active
2019
- 2019-01-07 ZA ZA201900087A patent/ZA201900087B/en unknown

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB596066A (en) *	1944-07-31	1947-12-29	Ind De L Aluminium Sa	Improvements relating to cells for the electrolytic production or refining of aluminium
US3719577A (en) *	1971-03-18	1973-03-06	Aluminum Co Of America	Magnetic field control in electrolysis cells using plates and/or bars
US3783121A (en) *	1972-03-24	1974-01-01	Aluminum Co Of America	Magnetic field control in electrolysis cells
GB2060705A (en) *	1979-10-17	1981-05-07	Alusuisse	Pots for electrolytic cells
US4561958A (en) *	1984-11-30	1985-12-31	Reynolds Metals Company	Alumina reduction cell
GB2182677A (en) *	1985-11-01	1987-05-20	Mosal Alu Elkem Spigerverk	Shell for electrolytic cell for molten salt electrolysis
US6245201B1 (en) *	1999-08-03	2001-06-12	John S. Rendall	Aluminum smelting pot-cell
AU769833B2 (en) *	1999-08-13	2004-02-05	Sra Technologies Pty Ltd	Anode assembly
US6977031B1 (en) *	1999-08-13	2005-12-20	Sra Technologies Pty Ltd.	Anode assembly
WO2011072544A1 (en) *	2009-12-18	2011-06-23	中国铝业股份有限公司	Electrolytic cell for producing primary aluminum by using inert anode
CN102230186A (en) *	2011-06-29	2011-11-02	东北大学设计研究院（有限公司）	Cell shell device of aluminum electrolytic cell
CN103397346A (en) *	2013-08-05	2013-11-20	甘肃工大电子科技有限公司	Automatic checkout device for bottoming of crust-breaking hammer of aluminum electrolytic cell

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018012981A1 *

Also Published As

Publication number	Publication date
CA3030237C (en)	2023-08-08
NO20161170A1 (en)	2018-01-15
ZA201900087B (en)	2019-10-30
AU2017297124A1 (en)	2019-01-03
EP3491174A1 (en)	2019-06-05
CA3030237A1 (en)	2018-01-18
BR112018076872A2 (en)	2019-04-02
AU2017297124B2 (en)	2022-07-14
EA201990280A1 (en)	2019-07-31
EA035328B1 (en)	2020-05-28
NZ749316A (en)	2019-08-30
WO2018012981A1 (en)	2018-01-18

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Legal Events

Date	Code	Title	Description
2018-01-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2019-05-03	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2019-05-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2019-06-05	17P	Request for examination filed	Effective date: 20190213
2019-06-05	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2019-06-05	AX	Request for extension of the european patent	Extension state: BA ME
2019-10-23	DAV	Request for validation of the european patent (deleted)
2019-10-23	DAX	Request for extension of the european patent (deleted)
2020-04-01	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/22 20060101ALI20200222BHEP Ipc: C25C 3/08 20060101AFI20200222BHEP Ipc: C22C 38/04 20060101ALI20200222BHEP Ipc: B32B 15/01 20060101ALI20200222BHEP Ipc: C22C 38/18 20060101ALI20200222BHEP Ipc: C22C 38/48 20060101ALI20200222BHEP Ipc: C22C 38/50 20060101ALI20200222BHEP Ipc: C22C 38/44 20060101ALI20200222BHEP Ipc: C22C 38/28 20060101ALI20200222BHEP Ipc: C22C 38/26 20060101ALI20200222BHEP
2020-08-19	A4	Supplementary search report drawn up and despatched	Effective date: 20200721
2020-08-19	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/44 20060101ALI20200715BHEP Ipc: C22C 38/48 20060101ALI20200715BHEP Ipc: C22C 38/18 20060101ALI20200715BHEP Ipc: B32B 15/01 20060101ALI20200715BHEP Ipc: C22C 38/28 20060101ALI20200715BHEP Ipc: C22C 38/50 20060101ALI20200715BHEP Ipc: C25C 3/08 20060101AFI20200715BHEP Ipc: C22C 38/04 20060101ALI20200715BHEP Ipc: C22C 38/22 20060101ALI20200715BHEP Ipc: C22C 38/26 20060101ALI20200715BHEP
2023-07-12	P01	Opt-out of the competence of the unified patent court (upc) registered	Effective date: 20230607
2023-07-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2023-08-23	17Q	First examination report despatched	Effective date: 20230720