GB1347469A - Anodes for cathodic protection - Google Patents
Anodes for cathodic protectionInfo
- Publication number
- GB1347469A GB1347469A GB1347469DA GB1347469A GB 1347469 A GB1347469 A GB 1347469A GB 1347469D A GB1347469D A GB 1347469DA GB 1347469 A GB1347469 A GB 1347469A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- pipe
- plastics
- cathodic protection
- water
- 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
- 239000004033 plastic Substances 0.000 abstract 3
- 229920003023 plastic Polymers 0.000 abstract 3
- 238000004210 cathodic protection Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010405 anode material Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
1347469 Anode assembly for cathodic protection CORROSION & WELDING ENG Ltd 13 Dec 1971 [14 Dec 1970] 59311/70 Heading C7E An anode assembly for use in cathodic protection of underwater structures comprises a pipe 13 to be disposed with its lower end below- and its upper end above-water, an anode structure including an anode 1 of elongate form surrounded by a piston 14 freely slidable within pipe 13, sealing means 18, 19, 20, for co-operating between the anode structure and the pipe, and positioning means 23 for moving the anode between a lowered position (as shown) and a raised position in which the anode is within pipe 13. The anode material may be Si, Fe or Pb but is preferably platinized Ti, Nb, or Ta, usually in the form of a tube on a metallic support, e. g. of steel. Means 23 for raising the anode, e.g. to prevent damage in heavy seas, may be a plastics rope and winch; the upper end of pipe 13 may be sealed and provided with input means for fluid under pressure to drive out sea-water whilst the anode is raised and hold it in position when lowered; this latter function may also be carried out by filling tube 13 with water or by weighting the anode. Electrical conductor 22 is connected to the anode at 21 and to the corrodible structure, e.g. an off shore drilling rig. The anode may be encased in a plastics tube 10 packed with plastics filler 11.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5931170 | 1970-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1347469A true GB1347469A (en) | 1974-02-27 |
Family
ID=10483507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1347469D Expired GB1347469A (en) | 1970-12-14 | 1970-12-14 | Anodes for cathodic protection |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1347469A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2820033A1 (en) * | 1977-05-09 | 1978-12-14 | Marston Excelsior Ltd | CORROSION PROTECTION ANODE |
| DE2832003A1 (en) * | 1977-07-26 | 1979-02-22 | Marston Excelsior Ltd | ELECTRICAL CLUTCH |
| EP2864523A1 (en) * | 2012-06-20 | 2015-04-29 | E M&I (Maritime) Limited | Cathodic protection system |
| CN109338376A (en) * | 2018-11-20 | 2019-02-15 | 中核核电运行管理有限公司 | A kind of fixed device of novel impressed current anode |
-
1970
- 1970-12-14 GB GB1347469D patent/GB1347469A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2820033A1 (en) * | 1977-05-09 | 1978-12-14 | Marston Excelsior Ltd | CORROSION PROTECTION ANODE |
| DE2832003A1 (en) * | 1977-07-26 | 1979-02-22 | Marston Excelsior Ltd | ELECTRICAL CLUTCH |
| EP2864523A1 (en) * | 2012-06-20 | 2015-04-29 | E M&I (Maritime) Limited | Cathodic protection system |
| EP2864523B1 (en) * | 2012-06-20 | 2022-03-23 | E M & I (Maritime) Limited | Cathodic protection system |
| CN109338376A (en) * | 2018-11-20 | 2019-02-15 | 中核核电运行管理有限公司 | A kind of fixed device of novel impressed current anode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |