CN111118502A - Small-caliber heat exchange tube cathode protection potential measuring device and using method - Google Patents
Small-caliber heat exchange tube cathode protection potential measuring device and using method Download PDFInfo
- Publication number
- CN111118502A CN111118502A CN202010046765.4A CN202010046765A CN111118502A CN 111118502 A CN111118502 A CN 111118502A CN 202010046765 A CN202010046765 A CN 202010046765A CN 111118502 A CN111118502 A CN 111118502A
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- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- tube
- potential
- small
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 18
- 238000004210 cathodic protection Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract 2
- 239000000565 sealant Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 3
- 238000010349 cathodic reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Images
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
- 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
- C23F13/22—Monitoring arrangements therefor
-
- 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
- C23F2213/32—Pipes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
一种小口径换热管阴极保护电位测量装置及使用方法,该装置包括外壁开孔的换热管;金属管箍将置于传热管开孔部位上端的密封胶垫和压块压紧;电位测试探头依次穿过金属管箍、压块、密封胶垫和换热管加工预留的小孔,伸入到换热管内;电位测试探头上端与针型阀入口连接;引流管下端与针型阀出口连接;导流管一端直接在引流管上,另一端放入到电极杯中;参比电极也放入到电极杯中;换热管与参比电极通过导线与电位测试仪进行连接;测试过程中,当换热管内工质形成流动条件后,微开针型阀,使管内工质缓慢流入到电极杯中,打开电位测试仪,记录电位测试数据;本发明测量装置可靠且易于实现,解决了小口径管道阴极保护电位测量的问题。
A cathodic protection potential measuring device for a small-diameter heat exchange tube and a method for using the same, the device comprises a heat exchange tube with an opening on the outer wall; The potential test probe passes through the metal pipe hoop, the pressure block, the sealant gasket and the small hole reserved by the heat exchange tube in turn, and extends into the heat exchange tube; the upper end of the potential test probe is connected with the inlet of the needle valve; the lower end of the drainage tube is connected with the needle One end of the diversion tube is directly on the drainage tube, and the other end is placed in the electrode cup; the reference electrode is also placed in the electrode cup; the heat exchange tube and the reference electrode are connected with the potential tester through a wire During the test, when the working fluid in the heat exchange tube forms the flow condition, the needle valve is slightly opened, so that the working fluid in the tube slowly flows into the electrode cup, the potential tester is turned on, and the potential test data is recorded; the measuring device of the present invention is reliable and easy to use. It is realized, and the problem of cathodic protection potential measurement of small-diameter pipelines is solved.
Description
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010046765.4A CN111118502B (en) | 2020-01-16 | 2020-01-16 | Small-caliber heat exchange tube cathode protection potential measuring device and using method |
PCT/CN2020/115405 WO2021143170A1 (en) | 2020-01-16 | 2020-09-15 | Device for measuring cathode protection potential of small-caliber heat exchange pipe and usage method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010046765.4A CN111118502B (en) | 2020-01-16 | 2020-01-16 | Small-caliber heat exchange tube cathode protection potential measuring device and using method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111118502A true CN111118502A (en) | 2020-05-08 |
CN111118502B CN111118502B (en) | 2023-03-21 |
Family
ID=70489524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010046765.4A Active CN111118502B (en) | 2020-01-16 | 2020-01-16 | Small-caliber heat exchange tube cathode protection potential measuring device and using method |
Country Status (2)
Country | Link |
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CN (1) | CN111118502B (en) |
WO (1) | WO2021143170A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021143170A1 (en) * | 2020-01-16 | 2021-07-22 | 西安热工研究院有限公司 | Device for measuring cathode protection potential of small-caliber heat exchange pipe and usage method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1019825A (en) * | 1996-07-04 | 1998-01-23 | Hitachi Ltd | Potential measurement device and power plant piping system |
CN101074917A (en) * | 2007-06-20 | 2007-11-21 | 中国船舶重工集团公司第七二五研究所 | Method and apparatus for testing metal material deep-sea corrosion potential |
CN202214419U (en) * | 2011-08-05 | 2012-05-09 | 北京科技大学 | Multifunctional cathode protection test probe |
RU2011121760A (en) * | 2011-05-31 | 2012-12-10 | Наталия Каюмовна Шамшетдинова | DEVICE FOR MEASURING POLARIZATION POTENTIAL OF PIPELINES |
CN102912356A (en) * | 2011-08-05 | 2013-02-06 | 北京科技大学 | Multifunctional catholic protection test probe and test method |
CN106835150A (en) * | 2017-03-07 | 2017-06-13 | 佛山市天然气高压管网有限公司 | A kind of cathodic protection system polarization potential measuring instrument and evaluation method |
CN206580888U (en) * | 2017-03-07 | 2017-10-24 | 佛山市天然气高压管网有限公司 | A kind of cathodic protection system polarization potential measuring instrument |
CN111650117A (en) * | 2020-06-28 | 2020-09-11 | 中山大学 | A simulated heat transfer tube corrosion experiment and in-situ electrochemical test device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104419937B (en) * | 2013-09-06 | 2017-02-22 | 中石化洛阳工程有限公司 | Method and device for testing cathode protection potential of inner base plate of oil tank |
US9441307B2 (en) * | 2013-12-06 | 2016-09-13 | Saudi Arabian Oil Company | Cathodic protection automated current and potential measuring device for anodes protecting vessel internals |
CN105887096A (en) * | 2016-04-27 | 2016-08-24 | 天津智晟济科技发展有限公司 | Alternating current-direct current channel separation type intelligent cathodic protection potential data acquisition instrument |
CN109881203A (en) * | 2019-03-27 | 2019-06-14 | 中国石油工程建设有限公司北京设计分公司 | A cathodic protection potential monitoring device for a closed storage tank |
CN110118722A (en) * | 2019-06-04 | 2019-08-13 | 安科工程技术研究院(北京)有限公司 | The monitoring of storage tank bottom cathodic protection potential and early warning system and method |
CN211445905U (en) * | 2020-01-16 | 2020-09-08 | 西安热工研究院有限公司 | Small-caliber heat exchange tube cathode protection potential measuring device |
CN111118502B (en) * | 2020-01-16 | 2023-03-21 | 西安热工研究院有限公司 | Small-caliber heat exchange tube cathode protection potential measuring device and using method |
-
2020
- 2020-01-16 CN CN202010046765.4A patent/CN111118502B/en active Active
- 2020-09-15 WO PCT/CN2020/115405 patent/WO2021143170A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1019825A (en) * | 1996-07-04 | 1998-01-23 | Hitachi Ltd | Potential measurement device and power plant piping system |
CN101074917A (en) * | 2007-06-20 | 2007-11-21 | 中国船舶重工集团公司第七二五研究所 | Method and apparatus for testing metal material deep-sea corrosion potential |
RU2011121760A (en) * | 2011-05-31 | 2012-12-10 | Наталия Каюмовна Шамшетдинова | DEVICE FOR MEASURING POLARIZATION POTENTIAL OF PIPELINES |
CN202214419U (en) * | 2011-08-05 | 2012-05-09 | 北京科技大学 | Multifunctional cathode protection test probe |
CN102912356A (en) * | 2011-08-05 | 2013-02-06 | 北京科技大学 | Multifunctional catholic protection test probe and test method |
CN106835150A (en) * | 2017-03-07 | 2017-06-13 | 佛山市天然气高压管网有限公司 | A kind of cathodic protection system polarization potential measuring instrument and evaluation method |
CN206580888U (en) * | 2017-03-07 | 2017-10-24 | 佛山市天然气高压管网有限公司 | A kind of cathodic protection system polarization potential measuring instrument |
CN111650117A (en) * | 2020-06-28 | 2020-09-11 | 中山大学 | A simulated heat transfer tube corrosion experiment and in-situ electrochemical test device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021143170A1 (en) * | 2020-01-16 | 2021-07-22 | 西安热工研究院有限公司 | Device for measuring cathode protection potential of small-caliber heat exchange pipe and usage method |
Also Published As
Publication number | Publication date |
---|---|
WO2021143170A1 (en) | 2021-07-22 |
CN111118502B (en) | 2023-03-21 |
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