CN2432576Y - Multifunctional corrosion real-time detection probe - Google Patents
Multifunctional corrosion real-time detection probe Download PDFInfo
- Publication number
- CN2432576Y CN2432576Y CN 00212445 CN00212445U CN2432576Y CN 2432576 Y CN2432576 Y CN 2432576Y CN 00212445 CN00212445 CN 00212445 CN 00212445 U CN00212445 U CN 00212445U CN 2432576 Y CN2432576 Y CN 2432576Y
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- China
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- corrosion
- electrode
- mobile jib
- detection probe
- time detection
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- 230000007797 corrosion Effects 0.000 title claims abstract description 77
- 238000005260 corrosion Methods 0.000 title claims abstract description 77
- 239000000523 sample Substances 0.000 title claims abstract description 13
- 238000011897 real-time detection Methods 0.000 title claims description 12
- 238000005259 measurement Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 16
- 229910052751 metal Inorganic materials 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 9
- 239000002609 medium Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007769 metal material Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a multifunctional corrosion real-time detecting probe, which is composed of a main rod pipe, electrodes and an insulating washer, wherein, the electrodes A and B and a reference electrode are successively sheathed on the main rod pipe through the insulating washer in a lamination type. The reference electrode is positioned at the rear side; one end of the main rod pipe is installed in the pipeline through a screw cap A, a screw nut and the insulating washer; the other end thereof is provided with a screw cap B for fixation. The utility model can realize the integration of self corrosion and galvanic corrosion measuring of the metal and reduces the effects of the IR dropping on measuring.
Description
The utility model relates to the galvanic corrosion detection technique, the real-time detection probe of specifically a kind of multi-functional corrosion.
The in situ detection of corrosion condition can in time be understood the corrosion present situation of commercial unit, the validity of evaluation anticorrosive measure, and industrial practice is had directive function.At present, in water solution flow moving medium systems such as seawater and industrial circulating water, the in situ detection of metal material equipment corrosion situation is very important.The corrosion of metal material in aqueous medium is galvanic corrosion, its corrosion speed and corrosion potential can obtain by electrochemical measuring technique, therefore, in recent years, electrochemical measuring technique such as linear polarization and weak polarization has obtained using widely and developing at corrosion prison, the detection range of water solution system.The correct design of devices such as the real-time detection probe of multi-functional corrosion is the important step that electrochemical measuring technique is used, document: (1) Wu Yinshun, Fang Zhi etc.Corrosion test method and anticorrosion detection technique, Chemical Industry Press, 1996, p97,289 (2) X.G.Zhang, M.Valeriote.Corrosion Science, 1993,34 (12): existing relevant pick-up unit report in 1957.But, the function of existing these devices is comparatively single, can not detect the bimetallic corrosion that contacts with dissimilar metal of corrosion certainly (metal is called from corrosion in no any corrosion that adds under the polarization condition) of metal simultaneously, and medium IR falls and brings than mistake usually for the measurement result of corrosion speed, thereby is difficult to satisfy the needs of practical application.
In order to overcome above-mentioned deficiency, the purpose of this utility model provides a kind of metal of realizing and falls the real-time detection probe of multi-functional corrosion to the influence of measuring from corrosion and the integrated measurement of bimetallic corrosion, minimizing IR.
The technical solution of the utility model is: be made up of mobile jib pipe, electrode, insulating washer, it is characterized in that: wherein said electrode A, B, contrast electrode are sleeved on the mobile jib pipe by insulating washer laminated type successively, described contrast electrode postposition, mobile jib Guan Yiduan is installed in the pipeline by nut A, nut and insulating washer, and its other end is equipped with nut B to be fixed;
The electrode cable of described electrode A, B, contrast electrode set hole on the mobile jib tube wall leads to multi-functional corrosion measurement instrument; The contact conductor of described electrode A, B set hole on the mobile jib tube wall leads to zero resistance galvanometer.
The utlity model has following advantage:
(1) the utlity model has multiple measuring ability, realized that it can detect corrosion potential, corrosion speed, bimetallic corrosion electric current and the coupling potential of different metal, and measurement result is reliable to the integrated detection of metal material from corrosion and bimetallic corrosion.
(2) the utility model adopts the contrast electrode postposition, has reduced solution medium IR effectively and has fallen influence to electrochemical measurement, has improved the reliability that records data (being corrosion of metal speed).
(3) the utility model is easy to control test parameters, as can change the flow velocity of medium by pump and valve, to obtain corresponding corrosion information; In tank, add corrosion inhibiter and can study its corrosion inhibition equipment corrosion; Change the area of endless metal specimen electrode, can study the bimetallic corrosion of different the moon/annode area ratio.
(4) the utility model adopts composite design, and is rational in infrastructure; Its making and operation are all very simple; In the repeatability corrosion detected and tests, a circular metal electrode that only needs to change in the real-time detection probe of multi-functional corrosion just can achieve the goal, thereby can reduce the expense of experiment widely.
(5) the utility model applied range can be used for the life prediction of prison, detection and the material of water solution flow moving medium systems such as seawater and industrial circulating water.
Description of drawings:
Fig. 1 is the utility model embodiment process flow diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 carries out the corrosion measurement schematic diagram for adopting the utility model.
Below in conjunction with accompanying drawing the utility model structure and principle thereof are described in further detail.
As shown in Figure 1, 2, 3, form by mobile jib pipe, electrode, insulating washer, wherein: described electrode A E1, B E2, contrast electrode E3 are sleeved on the mobile jib pipe 33 by insulating washer 34 laminated type successively, described contrast electrode E3 postposition, mobile jib pipe 33 1 ends are installed in the pipeline by nut A31, nut 32 and insulating washer 34, and its other end is equipped with nut B35 to be fixed; The electrode cable of described electrode A E1, B E2, contrast electrode E3 set hole on mobile jib pipe 33 walls leads to multi-functional corrosion measurement instrument 4; The contact conductor of described electrode A E1, B E2 set hole on mobile jib pipe 33 walls leads to zero resistance galvanometer 5;
Its pipeline mounting structure: tank 1 outlet that medium is housed is connected with the real-time detection probe 3 of described multi-functional corrosion with pump 2 with flange successively by pipeline, valve, real-time detection probe 3 other ends of described multi-functional corrosion divide two-way through pipeline: the one tunnel is the dewatering outlet, and another road enters the mouth through valve to tank 1.
Two electrode A E1 and electrode B E2 as test button are ring electrodes that metal material to be measured is made, contrast electrode E3 is the Ag/AgCl wire electrode, be installed on the mobile jib pipe 33 with corresponding plastic washer 34, the square opening of the lead of connection electrode on mobile jib pipe 33 drawn; Nut A 31 and mobile jib pipe 33 are fixed on three electrode E1-E3 and plastic washer 34 on the mobile jib pipe 33; Plastic mattress encloses the effect of insulation and sealing.
As shown in Figure 3, the utility model can the in situ detection metal from the corrosion speed of corrosion and the bimetallic corrosion electric current and the coupling potential of corrosion potential and dissimilar metal bimetallic corrosion, described multi-functional corrosion measurement instrument 4 is used to measure corrosion speed and corrosion potential (the multi-functional corrosion measurement instrument of CMB-1510b that adopts Chinese Academy of Sciences's corrosion to be developed), described zero resistance galvanometer 5 is used to measure bimetallic corrosion electric current and coupling potential (adopting Americanized Keithley195 multimeter (containing zero resistance galvanometer)), when measuring corrosion speed and corrosion potential, with electrode A E1 is auxiliary electrode, with electrode B E2 serves as that the research electrode is in conjunction with contrast electrode E3, link to each other with the corresponding joint of multi-functional corrosion measurement instrument 4 and just can measure, electrode B E2 makes of carbon steel; When measuring bimetallic corrosion electric current and coupling potential, electrode A E1 and electrode B E2 do with two kinds of metal carbon steels intending coupling, copper respectively, can measure corrosion speed and the corrosion potential of two kinds of metals earlier with multi-functional corrosion measurement instrument 4 before the coupling from corrosion, subsequently, with zero resistance galvanometer 5 two kinds of metal pairs merged measure the bimetallic corrosion electric currents, this moment, just available multi-functional corrosion measurement instrument 4 was directly measured coupling potential, certainly, also can be with electrode A E1 and the direct coupling of electrode B E2, and measure coupling potentials with zero resistance galvanometer 5.
As shown in Figure 1, variable valve F1 can study velocity of medium to corrosion speed, current potential, the influence of bimetallic corrosion electric current and coupling potential parameter; Also can in tank 1, add materials such as corrosion inhibiter and study its influence parameter; Can or allow the medium of measuring in the pipeline return tank 1 with the media discharge in the tank 1 by open and close valve F2 and valve F3.
The utility model has carried out the in situ detection of a large amount of seawaterlines in Certain Navy Yard experiment base, test material relates to carbon steel, low alloy steel and aldary, and the result is being quick on the draw of 3 pairs of parameters to be measured of the real-time detection probe of multi-functional corrosion, and it is reliable to record data.
The utility model also can be measured the corrosion certainly and the bimetallic corrosion situation of hardware in the water solution flow moving medium systems such as seawater and industrial circulating water, and then instructs industrial practice.
Two kinds of metals of the plan coupling that electrode A E1 described in the utility model, electrode B E2 adopt respectively can also be aldary and titanium or titanium alloy and stainless steel and other metal materials.
If the utility model does not carry out galvanizing corrosion test, when only detecting the corrosion certainly of metal, electrode A E1 can arbitrarily adopt suitable auxiliary electrode material in theory, but preferably identical with electrode B E2.
Claims (3)
1. real-time detection probe of multi-functional corrosion, form by mobile jib pipe, electrode, insulating washer, it is characterized in that: wherein said electrode A, B (E1, E2), contrast electrode (E3) are sleeved on the mobile jib pipe (33) by insulating washer (34) laminated type successively, described contrast electrode (E3) postposition, mobile jib pipe (33) one ends are installed in the pipeline by nut A (31), nut (32) and insulating washer (34), and it is fixing that its other end is equipped with nut B (35).
2. according to the real-time detection probe of the described multi-functional corrosion of claim 1, it is characterized in that: the electrode cable of described electrode A, B (E1, E2), contrast electrode (E3) leads to multi-functional corrosion measurement instrument (4) in set hole on mobile jib pipe (33) wall.
3. according to the real-time detection probe of the described multi-functional corrosion of claim 1, it is characterized in that: the contact conductor of described electrode A, B (E1, E2) set hole on mobile jib pipe (33) wall leads to zero resistance galvanometer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212445 CN2432576Y (en) | 2000-06-28 | 2000-06-28 | Multifunctional corrosion real-time detection probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212445 CN2432576Y (en) | 2000-06-28 | 2000-06-28 | Multifunctional corrosion real-time detection probe |
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| Publication Number | Publication Date |
|---|---|
| CN2432576Y true CN2432576Y (en) | 2001-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00212445 Expired - Fee Related CN2432576Y (en) | 2000-06-28 | 2000-06-28 | Multifunctional corrosion real-time detection probe |
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| CN (1) | CN2432576Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299018B (en) * | 2007-09-24 | 2010-11-03 | 哈尔滨工业大学 | Complete solid-state beam current type reinforcing steel corrosion monitoring sensor and method for producing the same |
| CN102305817A (en) * | 2011-07-20 | 2012-01-04 | 苏州热工研究院有限公司 | Multi-functional probe for monitoring corrosion of water pipeline and protecting water pipeline |
| CN102539497A (en) * | 2010-12-09 | 2012-07-04 | 中国科学院金属研究所 | Variable-diameter rotating ring electrode |
| CN102072873B (en) * | 2009-11-25 | 2012-11-14 | 中国石油天然气集团公司 | Experiment device for couple corrosion |
| CN103207143A (en) * | 2012-01-13 | 2013-07-17 | 沈阳中科韦尔腐蚀控制技术有限公司 | Metal corrosion rate detection device with temperature detection double-test piece probe |
| CN103278442A (en) * | 2013-05-17 | 2013-09-04 | 中国海洋石油总公司 | Underground pipe column galvanic corrosion detecting device |
| CN104390907A (en) * | 2014-10-24 | 2015-03-04 | 海南电力技术研究院 | Four-electrode soil corrosion detection probe |
| CN104749094A (en) * | 2013-12-27 | 2015-07-01 | 北京有色金属研究总院 | Manufacturing method of atmospheric corrosion monitoring sensor |
| CN110178023A (en) * | 2016-12-14 | 2019-08-27 | 意大利纳米材料公司 | A kind of miniaturization electrochemical cell |
-
2000
- 2000-06-28 CN CN 00212445 patent/CN2432576Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299018B (en) * | 2007-09-24 | 2010-11-03 | 哈尔滨工业大学 | Complete solid-state beam current type reinforcing steel corrosion monitoring sensor and method for producing the same |
| CN102072873B (en) * | 2009-11-25 | 2012-11-14 | 中国石油天然气集团公司 | Experiment device for couple corrosion |
| CN102539497A (en) * | 2010-12-09 | 2012-07-04 | 中国科学院金属研究所 | Variable-diameter rotating ring electrode |
| CN102539497B (en) * | 2010-12-09 | 2014-03-05 | 中国科学院金属研究所 | Variable-diameter rotating ring electrode |
| CN102305817A (en) * | 2011-07-20 | 2012-01-04 | 苏州热工研究院有限公司 | Multi-functional probe for monitoring corrosion of water pipeline and protecting water pipeline |
| CN103207143A (en) * | 2012-01-13 | 2013-07-17 | 沈阳中科韦尔腐蚀控制技术有限公司 | Metal corrosion rate detection device with temperature detection double-test piece probe |
| CN103278442A (en) * | 2013-05-17 | 2013-09-04 | 中国海洋石油总公司 | Underground pipe column galvanic corrosion detecting device |
| CN103278442B (en) * | 2013-05-17 | 2016-02-17 | 中国海洋石油总公司 | A kind of underground pipe column galvanic corrosion pick-up unit |
| CN104749094A (en) * | 2013-12-27 | 2015-07-01 | 北京有色金属研究总院 | Manufacturing method of atmospheric corrosion monitoring sensor |
| CN104749094B (en) * | 2013-12-27 | 2018-02-23 | 北京有色金属研究总院 | A kind of manufacture method of atmospheric corrosion monitoring sensor |
| CN104390907A (en) * | 2014-10-24 | 2015-03-04 | 海南电力技术研究院 | Four-electrode soil corrosion detection probe |
| CN110178023A (en) * | 2016-12-14 | 2019-08-27 | 意大利纳米材料公司 | A kind of miniaturization electrochemical cell |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |