CN203259493U - Reference electrode for protecting and monitoring cathode of offshore wind power foundation - Google Patents
Reference electrode for protecting and monitoring cathode of offshore wind power foundation Download PDFInfo
- Publication number
- CN203259493U CN203259493U CN 201320291556 CN201320291556U CN203259493U CN 203259493 U CN203259493 U CN 203259493U CN 201320291556 CN201320291556 CN 201320291556 CN 201320291556 U CN201320291556 U CN 201320291556U CN 203259493 U CN203259493 U CN 203259493U
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- Prior art keywords
- sleeve pipe
- wind power
- offshore wind
- power foundation
- electrode
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000004210 cathodic protection Methods 0.000 claims description 28
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 15
- 229910052709 silver Inorganic materials 0.000 claims description 14
- 239000004332 silver Substances 0.000 claims description 14
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 10
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003411 electrode reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006253 efflorescence Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 206010037844 rash Diseases 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
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- Prevention Of Electric Corrosion (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a reference electrode for protecting and monitoring a cathode of an offshore wind power foundation. The reference electrode comprises a sleeve and an electrode wire arranged in the sleeve, a sealing medium is filled in the upper end of the sleeve, the upper end of the electrode wire is connected with a cable in the sealing medium, the cable is extended in from the outer side of the sleeve, the lower end, exposed out of the sealing medium, of the electrode wire is spiral, and a protective screen is arranged at the bottom of the sleeve. The sealing medium is arranged at the upper end of the sleeve, the joint of the cable and the electrode wire are prevented from exposing outside and being corroded and damaged, and the sealing medium can play roles in fixing the working electrode wire and ensuring that the sealing medium can isolate the non-working part (namely the upper end of the electrode wire) of the electrode wire in the sleeve from contacting with the outside so as to play an insulation role.
Description
Technical field
The utility model relates to a kind of offshore wind power foundation cathodic protection monitoring device, particularly relates to a kind of offshore wind power foundation cathodic protection monitoring contrast electrode.
Background technology
Marine structure mainly comprises harbour, harbour, bridge, offshore oil platform, offshore wind power foundation etc., these buildings brace foundations all comprise steel construction, and substantially all exist steel-pipe pile as supporting pile, these metal constructions are in marine environment for a long time can be subject to heavy corrosion.For the marine corrosion that slows down steel construction destroys, the safeguard procedures that usually adopt are the Combined Protection method of anticorrosive paint and cathodic protection.But due to abominable and the anti-corrosion measure uncertainty affected by environment of its environment of living in, cause anticorrosion coat and in carrying, piling process and after using after a while, coating damage can occur; And cathodic protection its protection effect after lower water is installed is among continuous variation always.In order to analyze the corrosion and protection situation of protected steel construction, need to measure its protection potential.As with reference to electrode relatively, with the contrast electrode formation battery of determined electrode with accurate known electrodes electromotive force numerical value, measure cell emf numerical value when contrast electrode is the various electrode potential of measurement, just can calculate the electrode potential of determined electrode.Contrast electrode as measuring basis of reference electrode, must be that electrode reaction is single reversible reaction, and electrode potential is stable, favorable reproducibility, anti-polarization performance are high, the characteristics such as enough physical strengths and long service life are arranged.
Along with the marine structure construction; the reliability of its corrosion protection measure is authenticated gradually; with regard to cathodic protection; the marine site anxious for current, that sediment charge is high often can occur that protected steel construction is under proteciton, anode excessive loss or peel off and phenomenons such as situation generation that other is difficult to expect, therefore require in the anticorrosion technique standard regularly it to be carried out Inspection and maintenance.For the inspection of cathodic protection mainly by measuring current potential between steel construction and contrast electrode whether in the design protection claimed range, to avoid occuring overprotection or under proteciton.The marine structure cathodic protection make regular check on maintenance, particularly offshore steel construction, it is higher that it makes regular check on maintenance cost, has a big risk.Development along with science and technology; in order to reduce costs, to reduce risks; to marine structure Cathodic Protection System design remote supervision system; protection potential is carried out long-term Real-Time Monitoring, and this just requires to design a kind of contrast electrode and can adapt to long period of soaking anticathode protection potential in abominable briny environment and accurately monitor.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of offshore wind power foundation cathodic protection monitoring contrast electrode, is used for solving the prior art contrast electrode and is difficult to adapt to the problem of long period of soaking in abominable briny environment.
Reach for achieving the above object other relevant purposes; the utility model provides a kind of offshore wind power foundation cathodic protection monitoring contrast electrode; described contrast electrode comprises sleeve pipe and is placed in the interior wire electrode of sleeve pipe; the upper end of described sleeve pipe is filled with sealing medium; the upper end of described wire electrode is connected with the cable that stretches into outside sleeve pipe in described sealing medium; wire electrode is exposed at the lower end curl of described sealing medium outward, and the bottom of described sleeve pipe is provided with protection network.
Preferably, described wire electrode is silver/silver chloride electrode, mainly consists of by the filamentary silver matrix and at the silver chloride of described filamentary silver matrix lower end outside surface coating.
Preferably, comprise that also one is sheathed on the protective sleeve of described sleeve pipe upper end, described protective sleeve is connected with described casing threads.
Preferably, described protection network is the teflon net.
Preferably, the lower end of described sleeve pipe is filled with absorbent cotton.
Preferably, described sealing medium is epoxy resin.
Preferably, the lower end of described sleeve pipe is provided with a plurality of water seepage holes.
As mentioned above, offshore wind power foundation cathodic protection monitoring contrast electrode of the present utility model, has following beneficial effect: adopt in the sleeve pipe upper end sealing medium is set, the joint of avoiding cable to be connected with wire electrode is exposed to corrosion destruction in the external world, and play the steady job wire electrode, guarantee that its isolated wire electrode inoperative position (being the upper end of wire electrode) in sleeve pipe contacts with the external world to play insulating effect; The lower end of wire electrode is positioned at the cavity of sleeve pipe lower end, and wire electrode can directly contact with seawater, thereby forms contrast electrode; Use absorbent cotton to fill in the sleeve pipe lower end, purpose is guard electrode silk working portion but does not affect measurements, gets rid of generation bubble in cavity; Purpose at the jacket application protective sleeve is protective casing and improves physical strength, carries out coupling for installing and using in addition.Offshore wind power foundation cathodic protection monitoring contrast electrode of the present utility model, it has, and current potential is stable, mechanical property is strong, anti-efflorescence is effective, has longer serviceable life.
Description of drawings
Fig. 1 is shown as offshore wind power foundation cathodic protection monitoring of the present utility model contrast electrode the first embodiment schematic diagram.
Fig. 2 is shown as offshore wind power foundation cathodic protection monitoring of the present utility model contrast electrode the second embodiment schematic diagram.
Fig. 3 is shown as the use view that offshore wind power foundation cathodic protection monitoring of the present utility model is used contrast electrode.
The element numbers explanation
1 cable
2 sleeve pipes
21 water seepage holes
22 external threads
3 sealing mediums
4 wire electrodes
5 protection networks
6 absorbent cotton
7 protective sleeves
8 joint flanges
9 standby contrast electrodes
10 in-service contrast electrodes
11 protective jackets
Embodiment
Below by particular specific embodiment explanation embodiment of the present utility model, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this instructions.
See also Fig. 1 to Fig. 3.Notice, the appended graphic structure that illustrates of this instructions, ratio, size etc., equal contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, be not to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
As shown in Figure 1; the utility model provides a kind of offshore wind power foundation cathodic protection monitoring contrast electrode; contrast electrode comprises sleeve pipe 2 and is placed in the interior wire electrode 4 of sleeve pipe 2; the upper end of sleeve pipe 2 is filled with sealing medium 3; the upper end of wire electrode 4 is connected with the cable 1 that stretches into outside sleeve pipe 2 in sealing medium 3; the outer lower end curl that is exposed at sealing medium 3 of wire electrode 4, and the bottom of sleeve pipe 2 is provided with protection network 5.Offshore wind power foundation cathodic protection monitoring contrast electrode of the present utility model adopts in the sleeve pipe upper end sealing medium is set, and the joint of avoiding cable to be connected with wire electrode is exposed to corrosion destruction in the external world, and plays the effect of fixed electorde silk; Guarantee it in sleeve pipe, isolated wire electrode inoperative position (being the upper end of wire electrode) contacts with the external world, plays insulating effect, makes this contrast electrode current potential stable, the serviceable life of also having improved this contrast electrode.
Above-mentioned wire electrode 4 is silver/silver chloride electrode, mainly consists of by the filamentary silver matrix and at the silver chloride of filamentary silver matrix lower end outside surface coating.The concrete method for making of this wire electrode is: take out after the filamentary silver matrix is dipped in the silver chloride melt, repeat more than four times, make silver chloride fully contact with the filamentary silver matrix and improve in conjunction with thickness, then cooling filamentary silver matrix is passed through little electric current in electrolytic solution as negative electrode, make partial oxidation silver be reduced to argent, thereby consist of silver/silver chloride electrode.The anti-efflorescence of Ben Yin/silver chloride electrode is effective, and current potential is stable.
Above-mentioned protection network 5 is the teflon net, and it can make seawater enter in sleeve pipe and the wire electrode reaction, and it has the effect of resisting external force, and this protection network is combined with the sleeve pipe lower end and is formed a cavity simultaneously, is convenient at the lower end of sleeve pipe 2 filling absorbent cotton 6.Use absorbent cotton 6 to fill, purpose is the guard electrode silk, but does not affect the bubble that produces in measurement, eliminating cavity.Above-mentioned sleeve pipe can adopt nylon material to make, and its corrosion resistivity is higher.
Above-mentioned sealing medium 3 is epoxy resin, adopts epoxy resin as sealing medium, and the joint of avoiding cable to be connected with wire electrode is exposed to corrosion destruction in the external world.For making this contrast electrode better and contact with sea water, the lower end of above-mentioned sleeve pipe 2 is provided with a plurality of water seepage holes 21.
As shown in Figure 2; offshore wind power foundation cathodic protection monitoring of the present utility model comprises also that with contrast electrode one is sheathed on the protective sleeve 7 of sleeve pipe upper end; protective sleeve 7 is connected with sleeve pipe 2 screw threads; adopt the protective sleeve structure both to play the effect of protective casing, play again and be convenient to this contrast electrode is used the effect of installing.In the present embodiment; process external thread 22 in the upper end of sleeve pipe 2; process in addition the steel pillar that contains internal thread of a thick 5mm of endwall; this steel pillar is above-mentioned protective sleeve 7; the steel pillar is connected with casing threads, and sleeve pipe 2 can be inserted in the steel pillar and the screw thread coupling guarantees that sleeve pipe can be fixed in and plays protected effect in the steel pillar.Then at the top of steel pillar, joint flange 8 is set, can easy to usely installs.
As shown in Figure 3, in use, the general contrast electrode of two basic utility models that adopts is installed on the offshore wind power foundation that will monitor, wherein one is the use state, be in-service contrast electrode 10, other one is stand-by state, i.e. standby contrast electrode 9, and in the lower end of backup electrode, protective jacket 11 is set, prevents that seawater from entering in contrast electrode and the wire electrode reaction.Contrast electrode is connected on offshore wind power foundation cathodic protection remote supervision system equipment; as the contrast electrode of measuring the steel-pipe pile protection potential; access after the energising of this monitoring system working stability always, the steel-pipe pile protection potential in-0.9V left and right fluctuation, is in the good protection state always.
In sum, offshore wind power foundation cathodic protection monitoring contrast electrode of the present utility model adopts in the sleeve pipe upper end sealing medium is set, and the joint of avoiding cable to be connected with wire electrode is exposed to corrosion destruction in the external world, and plays the effect of fixed electorde silk; Guarantee it in sleeve pipe, isolated wire electrode inoperative position (being the upper end of wire electrode) contacts with the external world, plays insulating effect, makes this contrast electrode current potential stable, the serviceable life of also having improved this contrast electrode.So the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of completing under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (7)
1. offshore wind power foundation cathodic protection monitoring contrast electrode; it is characterized in that; described contrast electrode comprises sleeve pipe (2) and is placed in the interior wire electrode (4) of sleeve pipe (2); the upper end of described sleeve pipe (2) is filled with sealing medium (3); the upper end of described wire electrode (4) is connected with the cable that stretches into outside sleeve pipe (1) in described sealing medium (3); the outer lower end curl that is exposed at described sealing medium (3) of wire electrode (4), and the bottom of described sleeve pipe (2) is provided with protection network (5).
2. offshore wind power foundation cathodic protection monitoring contrast electrode according to claim 1 is characterized in that: described wire electrode (4) is silver/silver chloride electrode, mainly consists of by the filamentary silver matrix and at the silver chloride of described filamentary silver matrix lower end outside surface coating.
3. offshore wind power foundation cathodic protection monitoring contrast electrode according to claim 1, it is characterized in that: comprise that also one is sheathed on the protective sleeve (7) of described sleeve pipe upper end, described protective sleeve (7) is connected with described sleeve pipe (2) screw thread.
4. offshore wind power foundation cathodic protection monitoring contrast electrode according to claim 1, it is characterized in that: described protection network (5) is the teflon net.
5. offshore wind power foundation cathodic protection monitoring contrast electrode according to claim 1, it is characterized in that: the lower end of described sleeve pipe (2) is filled with absorbent cotton (6).
6. offshore wind power foundation cathodic protection monitoring contrast electrode according to claim 1, it is characterized in that: described sealing medium (3) is epoxy resin.
7. offshore wind power foundation cathodic protection monitoring contrast electrode according to claim 1, it is characterized in that: the lower end of described sleeve pipe (2) is provided with a plurality of water seepage holes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291556 CN203259493U (en) | 2013-05-24 | 2013-05-24 | Reference electrode for protecting and monitoring cathode of offshore wind power foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320291556 CN203259493U (en) | 2013-05-24 | 2013-05-24 | Reference electrode for protecting and monitoring cathode of offshore wind power foundation |
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| Publication Number | Publication Date |
|---|---|
| CN203259493U true CN203259493U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320291556 Expired - Fee Related CN203259493U (en) | 2013-05-24 | 2013-05-24 | Reference electrode for protecting and monitoring cathode of offshore wind power foundation |
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| Country | Link |
|---|---|
| CN (1) | CN203259493U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098483A (en) * | 2020-09-11 | 2020-12-18 | 中山大学 | Watertight reference electrode |
| CN114023500A (en) * | 2021-10-28 | 2022-02-08 | 大连理工大学 | Mesh-shaped auxiliary anode and reference electrode composite cable device for floating platform |
| US20230228669A1 (en) * | 2020-05-29 | 2023-07-20 | Wisegrow Investments Pty Ltd | Surface corrosion monitoring system |
-
2013
- 2013-05-24 CN CN 201320291556 patent/CN203259493U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230228669A1 (en) * | 2020-05-29 | 2023-07-20 | Wisegrow Investments Pty Ltd | Surface corrosion monitoring system |
| CN112098483A (en) * | 2020-09-11 | 2020-12-18 | 中山大学 | Watertight reference electrode |
| CN112098483B (en) * | 2020-09-11 | 2022-02-18 | 中山大学 | Watertight reference electrode |
| CN114023500A (en) * | 2021-10-28 | 2022-02-08 | 大连理工大学 | Mesh-shaped auxiliary anode and reference electrode composite cable device for floating platform |
| CN114023500B (en) * | 2021-10-28 | 2022-07-26 | 大连理工大学 | Mesh auxiliary anode and reference electrode composite cable device for floating platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20200524 |