GB803864A - Improvements in sacrificial anodes for use in cathode protection systems - Google Patents
Improvements in sacrificial anodes for use in cathode protection systemsInfo
- Publication number
- GB803864A GB803864A GB1295/56A GB129556A GB803864A GB 803864 A GB803864 A GB 803864A GB 1295/56 A GB1295/56 A GB 1295/56A GB 129556 A GB129556 A GB 129556A GB 803864 A GB803864 A GB 803864A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- cable
- cover
- perforations
- closely
- 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
- 238000000576 coating method Methods 0.000 abstract 3
- 229920002125 Sokalan® Polymers 0.000 abstract 2
- 229920003023 plastic Polymers 0.000 abstract 2
- 239000004033 plastic Substances 0.000 abstract 2
- 239000004584 polyacrylic acid Substances 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- 230000003373 anti-fouling effect Effects 0.000 abstract 1
- 238000004210 cathodic protection Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 150000001879 copper Chemical class 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000010422 painting Methods 0.000 abstract 1
- 229920001084 poly(chloroprene) Polymers 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/04—Preventing hull fouling
-
- 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
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/10—Electrodes characterised by the structure
-
- 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
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/18—Means for supporting electrodes
-
- 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
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/31—Immersed structures, e.g. submarine structures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
803,864. Preventing corrosion. DOW CHEMICAL CO. Jan. 13, 1956 [Feb. 1, 1955], No. 1295/56. Class 123(1) Sacrificial anodes for the cathodic protection of metallic structures are provided with closely-fitting electrically-insulating, liquid impervious coatings provided with perforations of such size, number and distribution that the total current flow to the cathodic structure and especially the flow to the parts thereof adjacent the anode are limited, whereby the anode life is extended and the area protected is increased. In one form, Figs. 1 and 4, the anode assembly 20 consists of a magnesium block 22 having two metal core straps 24 extending therefrom as mounting lugs 24a. The anode is encased in a closely-fitting cover 26, for example, of neoprene or polyvinyl chloride resin which also extends along part of the length of the lugs 24a, the cover being applied by dipping, spraying and painting. The top of the cover has holes 28 therethrough of a number and size to give the required current output from the anode. When the anode is to be used in sea water it may be provided with an anti-fouling coating, e.g. a copper salt of polyacrylic acid. Slowly soluble coatings such as polyacrylic acid or polyvinyl alcohol may also be used to provide a delayed action anode which will come into operation when an immediately operative anode has been consumed. In another form, Fig. 7, the anode assembly consists of an anode 42 in which is embedded the end of a cable 44, the anode having a plastic covering 46 provided with perforations 48. As shown in Fig. 8, the cable 64 extends right through the anode body 66, the perforated plastic covering 62 being extended along the cable to prevent strong local current flow. Specification 803,863 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US485373A US2855358A (en) | 1955-02-01 | 1955-02-01 | Galvanic anode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB803864A true GB803864A (en) | 1958-11-05 |
Family
ID=23927900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1295/56A Expired GB803864A (en) | 1955-02-01 | 1956-01-13 | Improvements in sacrificial anodes for use in cathode protection systems |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2855358A (en) |
| DE (1) | DE1258704B (en) |
| FR (1) | FR1146077A (en) |
| GB (1) | GB803864A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012958A (en) * | 1958-04-17 | 1961-12-12 | Patrol Valve Co | Vitreous lined water tanks with sacrificial anodes |
| US3022242A (en) * | 1959-01-23 | 1962-02-20 | Engelhard Ind Inc | Anode for cathodic protection systems |
| DE1223658B (en) * | 1962-05-19 | 1966-08-25 | Siemens Ag | Rod-shaped electrode composed of pieces, especially for cathodic protection |
| US4171254A (en) * | 1976-12-30 | 1979-10-16 | Exxon Research & Engineering Co. | Shielded anodes |
| US4175021A (en) * | 1978-03-06 | 1979-11-20 | C. E. Equipment Co., Inc. | Apparatus for preventing end effect in anodes |
| US4401540A (en) * | 1980-10-29 | 1983-08-30 | C.E. Equipment Co., Inc. | Apparatus for reducing end effect in anodes |
| DE3574769D1 (en) * | 1984-03-09 | 1990-01-18 | Czepek & Fentross Gmbh | WATER HEATER. |
| US6214203B1 (en) | 1999-12-06 | 2001-04-10 | United States Pipe Foundry | Anodic encasement corrosion protection system for pipe and appurtenances, and metallic components thereof |
| US6331242B1 (en) | 1999-12-06 | 2001-12-18 | United States Pipe And Foundry Company, Inc. | Anodic encasement corrosion protection system for underground storage tanks, and metallic components thereof |
| US8012616B2 (en) * | 2010-12-15 | 2011-09-06 | The United States Of America As Represented By The Secretary Of The Navy | Advanced apparatus for generating electrical power from aquatic sediment/water interfaces |
| US20210230752A1 (en) * | 2020-01-24 | 2021-07-29 | Richard L. Klopp | Corrosion Inhibitor Apparatus for Land Vehicles |
| CN111826661B (en) * | 2020-08-31 | 2025-03-07 | 大连科迈尔海洋科技有限公司 | A high current auxiliary anode structure for an external protective cover |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US915846A (en) * | 1907-03-26 | 1909-03-23 | Ernest Friedheim | Electrodeposition of metal on hollow articles. |
| US2435973A (en) * | 1941-08-19 | 1948-02-17 | Rusta Restor Corp | Method of and means for providing cathodic protection of metallic structures |
| US2645612A (en) * | 1950-06-15 | 1953-07-14 | American Smelting Refining | Sacrificial anode |
| BE504585A (en) * | 1950-07-12 | |||
| FR1081845A (en) * | 1953-05-06 | 1954-12-23 | Soc Gen Magnesium | Cathodic protection against corrosion |
-
1955
- 1955-02-01 US US485373A patent/US2855358A/en not_active Expired - Lifetime
-
1956
- 1956-01-13 GB GB1295/56A patent/GB803864A/en not_active Expired
- 1956-01-31 FR FR1146077D patent/FR1146077A/en not_active Expired
- 1956-01-31 DE DED22233A patent/DE1258704B/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1258704B (en) | 1968-01-11 |
| US2855358A (en) | 1958-10-07 |
| FR1146077A (en) | 1957-11-06 |
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