GB785932A - An improved method of and apparatus for protecting the cathodes of electrolytic cells - Google Patents
An improved method of and apparatus for protecting the cathodes of electrolytic cellsInfo
- Publication number
- GB785932A GB785932A GB6105/54A GB610554A GB785932A GB 785932 A GB785932 A GB 785932A GB 6105/54 A GB6105/54 A GB 6105/54A GB 610554 A GB610554 A GB 610554A GB 785932 A GB785932 A GB 785932A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cell
- cathode
- bar
- anode
- circuit
- 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
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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 Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
785,932. Electrolytic cells. ORONZIO DE NORA IMPIANTI ELECTROCHIMICI. March 2, 1954 [March 2, 1953; Dec. 19, 1953], No. 6105/54. Class 41. [Also in Group XXXVII] A method of protecting the cathode B of an electrolytic cell 2 during disconnection of the cell 2 out of a series of cells comprises breaking the electrical connection between the anode A of the cell 2 and the cathode B of the adjacent upstream cell 1 and connecting the cathode of the cell 2 to the cathode of the cell 1. Each cell 1 or 2 comprises an anode A and a mercury cathode B, the cells 1, 2 being connected in series from a bar 3 through a bar 4 to the first anode A and from the corresponding cathode B by a bar 31 to the second anode bar 41 and so on. The bar 31 has an extension 7. Members 5, 9 are fixed on a bar 8 which is rotatable to break the connection between bars 3<SP>1</SP>, 41 and to make a connection between bars 3<SP>1</SP>, 71, thus cutting the cell 2 out of the electrolysis circuit, whilst simultaneously completing a circuit from a battery 10 to the anode A and cathode B of the cell 2 through the bridging of contacts. 9a, 9b by the member 9 to supply a protective polarizing voltage, e.g. 1 volt, across the electrodes A, B of the cell 2. At a cathode current density of 0.15 amps./sq. ft. A contact B is automatically closed when the main circuit breaker is opened, e.g. manually or due to a power failure, to actuate a relay 14 and close the polarizing circuit. U.S.A. Specification 2,508,523 is referred to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT318436X | 1953-03-02 | ||
| IT191253X | 1953-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB785932A true GB785932A (en) | 1957-11-06 |
Family
ID=26327065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6105/54A Expired GB785932A (en) | 1953-03-02 | 1954-03-02 | An improved method of and apparatus for protecting the cathodes of electrolytic cells |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2834728A (en) |
| CH (1) | CH318436A (en) |
| DE (1) | DE1046587B (en) |
| GB (1) | GB785932A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL282584A (en) * | 1961-08-30 | |||
| BE642974A (en) * | 1964-01-24 | 1964-07-24 | ||
| US3316125A (en) * | 1964-09-21 | 1967-04-25 | Tyco Laboratories Inc | Electrochemical cells |
| US3409519A (en) * | 1964-10-10 | 1968-11-05 | Oronzio De Nora Impianti | Method of protecting electrolytic cells |
| NL147792B (en) * | 1965-10-04 | 1975-11-17 | Solvay | ELECTROLYSIS WITH FIXED WINCH-SHAPED CONTACTS, FIXED DIRECTLY TO THE BOTTOM PLATE OF EACH CELL, WHICH CAN COOPERATE WITH KNIFE-SHAPED MOVABLE CONTACTS OF A SHORT-CIRCUIT SWITCH AND DRIVE DEVICE FOR THOSE KNIVES. |
| US3475304A (en) * | 1966-03-28 | 1969-10-28 | Hooker Chemical Corp | Cathodic protection of reinforcing metals in electrolytic cells |
| US3847782A (en) * | 1969-03-24 | 1974-11-12 | Magyar Aluminium | Busbar system for electrolysis cells |
| CH566402A5 (en) * | 1972-07-18 | 1975-09-15 | Alusuisse | |
| US3914170A (en) * | 1973-03-19 | 1975-10-21 | United Aircraft Corp | Erosion prevention and fault detection for electrochemical machining apparatus |
| US4285787A (en) * | 1980-03-20 | 1981-08-25 | Pulp And Paper Research Institute Of Canada | Electrochemical corrosion protection of stainless steel bleach plant washers |
| US4561949A (en) * | 1983-08-29 | 1985-12-31 | Olin Corporation | Apparatus and method for preventing activity loss from electrodes during shutdown |
| US4589966A (en) * | 1985-10-03 | 1986-05-20 | Olin Corporation | Membrane cell jumper switch |
| FI124587B (en) | 2013-06-05 | 2014-10-31 | Outotec Finland Oy | Device for protecting anodes and cathodes in an electrolysis cell system |
| EP3982501A1 (en) * | 2020-10-12 | 2022-04-13 | Siemens Energy Global GmbH & Co. KG | Operation of an electrolysis device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH95753A (en) * | 1921-03-31 | 1922-08-01 | Oerlikon Maschf | Electrical contact device. |
| GB221036A (en) * | 1923-06-23 | 1924-09-04 | Jacob Backus | Improvements in and relating to electric switches |
| US1554090A (en) * | 1924-12-29 | 1925-09-15 | Hewitt John Herbert | Electric switch |
| US1759991A (en) * | 1927-06-02 | 1930-05-27 | American Brown Boveri Electric | Tap changer |
| US2227160A (en) * | 1940-05-16 | 1940-12-31 | Gen Electric | Electric switch |
| FR974074A (en) * | 1941-12-06 | 1951-02-19 | Cie Nat Matieres Colorantes | Method and device for preventing corrosion of iron or steel pads in idle electrolytic cells |
| US2508523A (en) * | 1946-09-11 | 1950-05-23 | Krebs & Co | Device for the protection of the cathodes of electrolytic cells |
-
1954
- 1954-02-26 CH CH318436D patent/CH318436A/en unknown
- 1954-03-01 US US413332A patent/US2834728A/en not_active Expired - Lifetime
- 1954-03-02 GB GB6105/54A patent/GB785932A/en not_active Expired
- 1954-03-02 DE DEO3466A patent/DE1046587B/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH318436A (en) | 1957-01-15 |
| US2834728A (en) | 1958-05-13 |
| DE1046587B (en) | 1958-12-18 |
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