CN109957804B - 一种针对直流接地极附近埋地金属管道的排流方法 - Google Patents
一种针对直流接地极附近埋地金属管道的排流方法 Download PDFInfo
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- CN109957804B CN109957804B CN201910150469.6A CN201910150469A CN109957804B CN 109957804 B CN109957804 B CN 109957804B CN 201910150469 A CN201910150469 A CN 201910150469A CN 109957804 B CN109957804 B CN 109957804B
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
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CN201910150469.6A CN109957804B (zh) | 2019-02-28 | 2019-02-28 | 一种针对直流接地极附近埋地金属管道的排流方法 |
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CN108663408B (zh) * | 2018-05-18 | 2021-02-09 | 中国石油天然气集团有限公司 | 一种钢质油气管道定向钻防腐层破损率确定方法 |
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CN101761729A (zh) * | 2009-10-26 | 2010-06-30 | 上海青草沙投资建设发展有限公司 | 非开挖施工大口径管道腐蚀控制联合施工方法 |
CN103899883B (zh) * | 2014-04-03 | 2015-08-05 | 中国石油集团工程设计有限责任公司 | 油气管道针对高压直流接地极干扰的综合防护方法 |
CN103982752A (zh) * | 2014-05-14 | 2014-08-13 | 中工武大设计研究有限公司 | 一种pccp管道的双侧交互式阴极保护方法 |
CN203809954U (zh) * | 2014-05-14 | 2014-09-03 | 中工武大设计研究有限公司 | 一种双侧交互式阴极保护的pccp管道 |
CN104122196B (zh) * | 2014-07-15 | 2017-06-20 | 北京工业大学 | 应力条件下油气管道用高强钢直流杂散电流腐蚀评价方法 |
CN106676541B (zh) * | 2017-01-09 | 2019-02-01 | 国网浙江省电力公司电力科学研究院 | 一种金属管道杂散电流腐蚀防护方法 |
CN106544680A (zh) * | 2017-01-12 | 2017-03-29 | 阳江核电有限公司 | 一种用于核电站重要厂用水系统管道的防腐蚀装置 |
CN107805816B (zh) * | 2017-10-25 | 2018-12-07 | 中国石油工程建设有限公司 | 一种用于抑制地铁直流干扰的自动变频阴极保护站控方法 |
CN107893231B (zh) * | 2017-11-20 | 2019-11-12 | 中国能源建设集团广东省电力设计研究院有限公司 | 限制直流接地极腐蚀埋地金属管道的防护方法及埋地系统 |
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Address after: No.669, Hangtian Middle Road, Chang'an District, Xi'an City, Shaanxi Province Patentee after: STATE GRID SHAANXI ELECTRIC POWER Research Institute Country or region after: China Patentee after: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No.669, Hangtian Middle Road, Chang'an District, Xi'an City, Shaanxi Province Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute Country or region before: China Patentee before: XI'AN POWER TRANSMISSION AND TRANSFORMATION PROJECT ENVIRONMENTAL IMPACT CONTROL TECHNIQUE CENTER Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |
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Effective date of registration: 20240509 Address after: No. 669, Hangtian Middle Road, Xi'an national civil aerospace industry base, Shaanxi 710100 Patentee after: Electric Power Research Institute of State Grid Shaanxi Electric Power Co.,Ltd. Country or region after: China Patentee after: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No.669, Hangtian Middle Road, Chang'an District, Xi'an City, Shaanxi Province Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute Country or region before: China Patentee before: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |