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| New Type Sacrificial Anode Design and Performance Research Used in Marine Engineering (Ⅴ)—Cathode Protection Design of New Type Sacrificial Anode for Jacket Platform |
| Received:November 19, 2018 Revised:April 25, 2019 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2019.04.025 |
| KeyWord:marine engineering jacket platform cathodic protection sacrificial anode new type anode |
| Author | Institution |
| ZHANG Wei |
1. Qingdao NCS Testing and Protection Technology Co., Ltd., Qingdao , China; 2. Qingdao Research Institute for Marine Corrosion, China Iron and Steel Research Institute Group, Qingdao , China |
| LIU Fu-guo |
3. Offshore Oil Engineering Co., Ltd., Tianjin , China |
| YIN Peng-fei |
1. Qingdao NCS Testing and Protection Technology Co., Ltd., Qingdao , China; 2. Qingdao Research Institute for Marine Corrosion, China Iron and Steel Research Institute Group, Qingdao , China |
| ZHANG Guo-qing |
3. Offshore Oil Engineering Co., Ltd., Tianjin , China |
| YANG Zhao-hui |
1. Qingdao NCS Testing and Protection Technology Co., Ltd., Qingdao , China; 2. Qingdao Research Institute for Marine Corrosion, China Iron and Steel Research Institute Group, Qingdao , China |
| LI Xiang-yang |
4. Central Iron and Steel Research Institute, China Iron and Steel Research Institute Group, Beijing , China |
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| Abstract: |
| Objective To evaluate advantages and disadvantages of the new type anode by comparing with the conventional anode according to the jacket platform with different design service life. Methods For the 15 years and 30 years designed jacket platform, the demand for new type and conventional anodes that meet the needs of different stages of protection current were calculated. Results When the design life of the jacket platform was relatively short, such as 15 years, the amount of sacrificial anode was determined by the initial protection current demand. The use of new type anode can achieve the purpose of saving anode usage. When the design life of the jacket platform was relatively long, such as 30 years, the amount of sacrificial anode was determined by the holding current. The use of the new type anode cannot save anode usage. Conclusion Not all design life of the jacket platform using the new type anode can achieve the purpose of saving the amount. It depends on the actual calculation results. |
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