GB1312606A - Methods of controlling the operation of electrolytic cells for the production of aluminium - Google Patents
Methods of controlling the operation of electrolytic cells for the production of aluminiumInfo
- Publication number
- GB1312606A GB1312606A GB2376971*A GB2376971A GB1312606A GB 1312606 A GB1312606 A GB 1312606A GB 2376971 A GB2376971 A GB 2376971A GB 1312606 A GB1312606 A GB 1312606A
- Authority
- GB
- United Kingdom
- Prior art keywords
- interpolar distance
- predetermined value
- potential
- aluminium
- movement
- 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
Links
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
- C25C3/20—Automatic control or regulation of cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
1312606 Producing aluminium by fusion electrolysis SWISS ALUMINIUM Ltd 19 April 1971 [17 Feb 1970] 23769/71 Heading C7B In the electrolytic production of Al from an alumina containing fluoride melt into which anodes fixed to a current-conducting beam dip, the interpolar distance is adjusted to equal a predetermined value by changing the height of the beam with the anodes fixed to it by a measured amount, measuring the resultant change in cell potential, and calculating the interpolar distance (d) before the beam movement from the values of the cell potential before the beam movement (U) and at infinitely small interpolar distance (Uo), the stroke of the beam (#d) and the corresponding change in potential (#U), from the equation d = (U-Uo). #d/#U, then the further movement of the beam necessary to attain the predetermined value, and making that further movement. Preferably the beam is first lowered by a definite amount, then raised by a definite but higher amount, the potential being measured each time. The interpolar distance is adjusted to and maintained at a constant predetermined value, with alumina being added to the melt when the cell potential rises due to the anode effect.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH229670A CH533687A (en) | 1970-02-17 | 1970-02-17 | Method for determining the interpolar distance in aluminum electrolysis in fluoride melt flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1312606A true GB1312606A (en) | 1973-04-04 |
Family
ID=4230459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2376971*A Expired GB1312606A (en) | 1970-02-17 | 1971-04-19 | Methods of controlling the operation of electrolytic cells for the production of aluminium |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT302677B (en) |
| BE (1) | BE762815A (en) |
| CH (1) | CH533687A (en) |
| DE (1) | DE2107613A1 (en) |
| FR (1) | FR2080573B3 (en) |
| GB (1) | GB1312606A (en) |
| IS (1) | IS877B6 (en) |
| NL (1) | NL7100514A (en) |
| NO (1) | NO126137B (en) |
| ZA (1) | ZA71796B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2483965A1 (en) * | 1980-06-06 | 1981-12-11 | Aluminium Grece | METHOD AND APPARATUS FOR CONTROLLING ALUMINUM POWER IN A CELL FOR THE PRODUCTION OF ALUMINUM BY ELECTROLYSIS |
| CN105463512B (en) * | 2015-05-28 | 2018-02-06 | 贵阳铝镁设计研究院有限公司 | Aluminum cell aluminum liquor interface fluctuation and pole span on-line monitoring method and its device |
-
1970
- 1970-02-17 CH CH229670A patent/CH533687A/en not_active IP Right Cessation
-
1971
- 1971-01-12 IS IS1979A patent/IS877B6/en unknown
- 1971-01-14 NL NL7100514A patent/NL7100514A/xx unknown
- 1971-01-29 AT AT76571A patent/AT302677B/en active
- 1971-02-09 ZA ZA710796A patent/ZA71796B/en unknown
- 1971-02-11 BE BE762815A patent/BE762815A/en unknown
- 1971-02-16 FR FR7105269A patent/FR2080573B3/fr not_active Expired
- 1971-02-16 NO NO0562/71A patent/NO126137B/no unknown
- 1971-02-17 DE DE19712107613 patent/DE2107613A1/en active Pending
- 1971-04-19 GB GB2376971*A patent/GB1312606A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA71796B (en) | 1971-10-27 |
| CH533687A (en) | 1973-02-15 |
| DE2107613A1 (en) | 1971-09-09 |
| IS877B6 (en) | 1974-07-19 |
| AT302677B (en) | 1972-10-25 |
| FR2080573B3 (en) | 1973-10-19 |
| NO126137B (en) | 1972-12-27 |
| IS1979A7 (en) | 1971-08-18 |
| BE762815A (en) | 1971-07-16 |
| FR2080573A3 (en) | 1971-11-19 |
| NL7100514A (en) | 1971-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |