CN102409353A - Distributed titanium alloy pipeline electrolytic antifouling apparatus - Google Patents
Distributed titanium alloy pipeline electrolytic antifouling apparatus Download PDFInfo
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- CN102409353A CN102409353A CN201110359816XA CN201110359816A CN102409353A CN 102409353 A CN102409353 A CN 102409353A CN 201110359816X A CN201110359816X A CN 201110359816XA CN 201110359816 A CN201110359816 A CN 201110359816A CN 102409353 A CN102409353 A CN 102409353A
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- titanium alloy
- alloy pipeline
- electrolytic
- electrolytic anode
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Abstract
The invention belongs to the electrochemistry technical field, and relates to a distributed titanium alloy pipeline electrolytic antifouling apparatus. The apparatus comprises direct current source, electrolytic anodes, flange type cathode, cables, switch elements and a titanium alloy pipeline. The positive output terminal of direct current source is provided with the switch element with electrically communication, ten electrolytic anodes are respectively arranged on the titanium alloy pipeline at intervals, the switch elements are respectively and individually connected with the electrolytic anode through cable; a flange type cathode is provided at one end of the titanium alloy pipeline, the flange type cathode enables electric connection with the cathode output terminal of the direct current source; the inner wall of the titanium alloy pipeline is treated, the electrolytic anode capable of electrolyzing seawater for generating chlorine and secondary chlorate anions effective antifouling agent can be prepared; the electrolytic anode is positioned at the connection part of the titanium alloy pipelines, the interval length of electrolyzing anode is determined by maximal flow of water and the current output capability of direct current source. The distributed titanium alloy pipeline electrolytic antifouling apparatus has the advantages of simple integral structure, flexible usage operation, low cost, good antifouling effect, long usage life and wide application scope.
Description
Technical field:
The invention belongs to technical field of electrochemistry, relate to a kind of distributed titanium alloy pipeline electrolysis anti-soil apparatus.
Background technology:
Titanium alloy has in light weight and seawater corrosion resistance and the advantage of washing away, and can be widely used in the manufacturing of various salt water cooling systems and heat-exchange system or other key part, thereby dwindles caliber, increase flow velocity, reaches the effect that reduces weight and mitigate corrosion.Sea life adhered to very serious when but titanium alloy used in seawater; Directly electrolytic seawater is made strong oxidizing property stain control agents such as Youxiaolin, chlorine and is prevented sea marine organism pollution; Not only safer and economical than traditional interpolation chlorine, and device is also relatively simple.Present widely used electrolysis anti-soil apparatus is to adopt the electrolyzer large-current electric to separate seawater earlier, with the water-in of dense stain control agent filling line, guarantees anti-fouling effect through control water outlet stain control agent concentration then.The stain control agent hypochlorite is unstable, in pipeline, can lose owing to disproportionation reaction takes place, and loss amount prolongation in time strengthens.Therefore in the seawaterline of long distance, the electric current of system needs bigger allowance could guarantee anti-fouling effect, and simultaneously, owing to the dosing pipe more complicated, the occasion use of having relatively high expectations in space and weight has very big restriction.Taylor's David naval vessels ARDE has been carried out the marine biofouling test of titanium condenser; Showing when seawater velocity in the titanium Tube Sheet of Heat Exchanger is less than 1.2m/s to provide electrolysis antifouling, and the chloridized of the heat exchanger of under high flow velocities, working also is rational selection.Open communique (A) 61-120687 of japanese provides a kind of seawater pipeline to prevent the method that marine life adheres to; Adopt the direct electrolysis antifouling of hydrophobic cartridge type electrode; Adopt hydrophobic cartridge type lining to insulate; Cathode material is selected metal pipe-wall or hydrophobic cartridge type negative electrode for use; But these technology and equipments all are based on water-in adopts big electric current to prepare the legacy system of stain control agent and filling line, and needs to introduce the electrode assemblie in the electrolysis anti-soil system in addition, exists many improved technical problems that await.
Summary of the invention:
The objective of the invention is to overcome the shortcoming that prior art exists; Seek a kind of distributed titanium alloy pipeline electrolysis anti-soil technology and device; Through the design of distributed electrolysis anti-soil system and device, improve the current efficiency of pipeline electrolysis antifouling, prolong system work-ing life; Through utilizing the solid support material of titanium alloy pipeline itself as electrolytic anode, can not produce any influence to the function of pipeline, it is antifouling with electrolysis anodic cost effectively to reduce the titanium alloy pipeline.
To achieve these goals, the distributed titanium alloy pipeline electrolysis anti-soil apparatus that the present invention relates to is handled titanium alloy pipeline inwall, is prepared into the electrolytic anode that can electrolytic seawater produces chlorine and the effective stain control agent of hypochlorite; Electrolytic anode is positioned at titanium alloy pipeline junction; The gap length of electrolytic anode is confirmed by the peak flow of water and the electric current fan-out capability of direct supply; The agent structure of this distributed titanium alloy pipeline electrolysis anti-soil apparatus comprises direct supply, electrolytic anode, flange form negative electrode, cable, switching element and titanium alloy pipeline; Cathode output end on the direct supply of selecting electric connection respectively is equipped with ten switching elements; Constitute ten road relatively independent positive voltage output ends, the compartment branch is furnished with ten electrolytic anodes respectively on the titanium alloy pipeline, and switching element is through cable difference separate connection electrolytic anode; End place at the titanium alloy pipeline is equipped with the flange form negative electrode, and the flange form negative electrode is electrically connected with the cathode output end of direct supply.
The direct supply that the present invention relates to has adjustable electric current fan-out capability; Possess output voltage, short-circuit current defencive function; Multichannel output, and each road output is independent controlled, and the direct supply that includes galvanostat adopts modular design; Adopt power semiconductor as switching element, each modular unit is used as a galvanostat; Cause groove voltage rise high-amplitude excessive in order to prevent that electrolytic anode lost efficacy, design the output voltage limit of each modular unit, if exceeding the upper limit promptly stops outward current automatically, the direct supply of avoiding containing galvanostat burns; In order to prevent electrolytic anode and the short circuit of flange form negative electrode in the titanium alloy pipeline, guarantee good insulation, in the galvanostat modular unit, add the short-circuit protection module, promptly stop outward current automatically in case be short-circuited.
The electrolytic anode that the present invention relates to is covered with active electro catalytic activity material and makes through the segmentation of part titanium alloy pipeline is coated with, and the electro catalytic activity material is metal platinum type coating or mixed metal oxide coating, and wherein mixed metal oxide comprises RuO
2, IrO
2, SnO
2, PtO
2, Ta
2O
5In one or more, by ruthenium trichloride (RuCl
33H
2O), chloro-iridic acid (H
2IrCl
6XH
2O), dibutyl tin laurate (C
32H
64O
4Sn), Platinic chloride (H
2PtCl
6) and tantalum chloride (TaCl
5) thermooxidizing makes; Or adopt the compound that can form required oxide compound after the heating; Coat length on the titanium alloy pipeline is 50cm, is an end of longer titanium alloy pipeline, or an independent titanium alloy pipeline, and the reactive electro catalytic specie is the coating of 10～20 μ m, can not exert an influence to water passing capacity and other function of pipeline.
The flange form negative electrode that the present invention relates to is used for conducting the required electric current of anti-fouler, has excellent conducting performance, and the flange form negative electrode is processed tubular structure; With the flange place that is contained in titanium alloy pipeline link position after the electrolytic anode insulation; With electrolytic anode near to reduce volts lost, the material of flange form negative electrode is a nickel-base alloy, solidity to corrosion is better; Overpotential of hydrogen evolution is low, and is best with the HastelloyC nickelalloy.
The present invention compared with prior art; When the fields such as electrolysis anti-soil, electrochemistry WWT and seawater sterilization of titanium alloy pipeline are widely used; Owing to directly utilize the solid support material of titanium alloy pipeline itself as electrolytic anode; Reduce the cost of titanium alloy pipeline electrolysis anti-soil technology, simplify the installation of conventional electrolysis anti-fouling system, avoid the use of weightening finish, corrosion and space problem that the dosing arm causes; Through distributed electrolysis anti-soil structure Design, reduce the requirement of available chlorine action length, thereby reduce the electrolytic current density of electrolytic anode, improve electrolytic efficiency, increase the service life; Through modular direct supply control, be convenient to understand the working order of electrolysis anti-soil system each several part, maintenance workload reduces; The sea marine organism pollution preventing field that can be widely used in the titanium alloy seawaterline; Be particularly useful for the long occasion of seawaterline; Also can in the seawaterline of other materials, promote distributed electrolysis anti-soil system, adopt independently titanium alloy pipeline formula anode, have the good prospect of promoting the use of; Its one-piece construction is simple, uses flexible operation, and installation cost is low, good antifouling effect, and automatically controlled ability is strong, long service life, applied range.
Description of drawings:
Fig. 1 is an agent structure principle schematic of the present invention.
Embodiment:
Also in conjunction with the accompanying drawings the present invention is further described below by embodiment.
Embodiment:
The distributed titanium alloy pipeline electrolysis anti-soil apparatus that present embodiment relates to is handled the inwall of titanium alloy pipeline 5 earlier, is prepared into the electrolytic anode 4 that can electrolytic seawater produces effective stain control agent (like chlorine, hypochlorite); Electrolytic anode 4 is positioned at the junction of titanium alloy pipeline 5, and the gap length of electrolytic anode 4 is confirmed by the peak flow of water and the fan-out capability of supply current; Apparatus structure comprises direct supply 1, electrolytic anode 4, flange form negative electrode 6, cable 3, switching element 2 and titanium alloy pipeline 5; Cathode output end on the direct supply of selecting 1 electric connection respectively is equipped with ten switching elements 2; Constitute independently ten road positive voltage output ends; The compartment branch is furnished with ten electrolytic anodes 4 respectively on titanium alloy pipeline 5, and switching element 2 is through cable 3 difference separate connection electrolytic anodes 4; End place at titanium alloy pipeline 5 is equipped with flange form negative electrode 6, and flange form negative electrode 6 is electrically connected with the cathode output end of direct supply 1.
The direct supply 1 of present embodiment has adjustable electric current fan-out capability and voltage, short-circuit current defencive function; Adopt multichannel output and the output of each road independent controlled; The inner direct supply 1 that is equipped with galvanostat of installing adopts modular design and adopts power semiconductor as switching element 2; Each module is used as the galvanostat of a simplification, for the inefficacy that prevents electrolytic anode 4 causes groove voltage rise high-amplitude excessive, designs the output voltage limit of each module; Promptly stop outward current automatically if exceed, avoid the galvanostat module to burn; In order to prevent flange form negative electrode 6 and electrolytic anode 4 short circuits in the titanium alloy pipeline 5, guarantee good insulation, in the galvanostat module, add the short-circuit protection module, promptly stop outward current automatically in case be short-circuited.
The electrolytic anode 4 of present embodiment is covered with active reactive electro catalytic specie and makes through part titanium alloy pipeline 5 is coated with, and the reactive electro catalytic specie is metal platinum type coating or mixed metal oxide coating, and wherein mixed metal oxide comprises RuO
2, IrO
2, SnO
2, PtO
2, Ta
2O
5In one or more, by ruthenium trichloride (RuCl
33H
2O), chloro-iridic acid (H
2IrCl
6XH
2O), dibutyl tin laurate (C
32H
64O
4Sn), Platinic chloride (H
2PtCl
6) and tantalum chloride (TaCl
5) thermooxidizing makes; Or can form the compound of required oxide compound after adopting other heating; The coat length of titanium alloy pipeline section is 50cm, is the end than the long tube section, or an independent pipeline section, because active electrocatalysis material is merely the coating of 10～20 μ m, so can not exert an influence to water passing capacity and other function of pipeline.
The flange form negative electrode 6 of present embodiment is used for conducting the required electric current of anti-fouling system; Has excellent conducting performance; Flange form negative electrode 6 is processed tubular structure; With the flange place that is contained in the link position of titanium alloy pipeline 5 after electrolytic anode 4 insulation, with electrolytic anode 4 near to reduce ohm voltage drop, the material of flange form negative electrode 6 is selected Hastelloy C nickelalloy.
The direct supply 1 of present embodiment adopts power semiconductor as switching element 2, and core design is become controlled constant flow module, makes outward current adjustable continuously from 0～5A, and ten the tunnel is controlled respectively; Adopt pipeline section type metal oxide anode coating as electrolytic anode 4, caliber is Φ 50mm, coated length 50cm, and Hastelloy C-276 is as flange form negative electrode 6; The galvanostat outward current is 4A in the laboratory simulationt test; If seawater does not flow, recording effective chlorine density after 10 minutes is 835ppm, with effective antifouling concentration minimum requirements 1ppm as mean concns in the pipe; If seawater velocity is 1m/s; Consider the factor that Youxiaolin decomposes, can protect the about 300m of pipeline, a cover power-supply system guard space is more than 3000m; Because the current density of the electrolytic anode 4 in this system is merely 52A/m
2, so be expected to improve greatly the work-ing life of electrolytic anode 4, or suitably increase the Faradaic current amount to adapt to the more requirement of high flow rate, longer guard space.
Claims (4)
1. distributed titanium alloy pipeline electrolysis anti-soil apparatus; It is characterized in that agent structure comprises direct supply, electrolytic anode, flange form negative electrode, cable, switching element and titanium alloy pipeline; Cathode output end on direct supply electric connection respectively is equipped with ten switching elements; Constitute ten road relatively independent positive voltage output ends, the compartment branch is furnished with ten electrolytic anodes respectively on the titanium alloy pipeline, and switching element is through cable difference separate connection electrolytic anode; End place at the titanium alloy pipeline is equipped with the flange form negative electrode, and the flange form negative electrode is electrically connected with the cathode output end of direct supply; Titanium alloy pipeline inwall is handled, be prepared into the electrolytic anode that can electrolytic seawater produces chlorine and the effective stain control agent of hypochlorite; Electrolytic anode is positioned at titanium alloy pipeline junction, and the gap length of electrolytic anode is confirmed by the peak flow of water and the electric current fan-out capability of direct supply.
2. distributed titanium alloy pipeline electrolysis anti-soil apparatus according to claim 1; It is characterized in that direct supply has adjustable electric current fan-out capability and output voltage, short-circuit current defencive function; Multichannel output, and each road output is independent controlled, and the direct supply that includes galvanostat adopts modular design; Adopt power semiconductor as switching element, each modular unit is used as a galvanostat; Cause groove voltage rise high-amplitude excessive in order to prevent that electrolytic anode lost efficacy, design the output voltage limit of each modular unit, if exceeding the upper limit promptly stops outward current automatically, the direct supply of avoiding containing galvanostat burns; In order to prevent electrolytic anode and the short circuit of flange form negative electrode in the titanium alloy pipeline, guarantee good insulation, in the galvanostat modular unit, add the short-circuit protection module, being short-circuited promptly stops outward current automatically.
3. distributed titanium alloy pipeline electrolysis anti-soil apparatus according to claim 1; It is characterized in that electrolytic anode is covered with active electro catalytic activity material and makes through the segmentation of part titanium alloy pipeline is coated with; The electro catalytic activity material is metal platinum type coating or mixed metal oxide coating, and wherein mixed metal oxide comprises RuO
2, IrO
2, SnO
2, PtO
2, Ta
2O
5In one or more, make by ruthenium trichloride, chloro-iridic acid, dibutyl tin laurate, Platinic chloride and tantalum chloride thermooxidizing; Or adopt the compound that can form oxide compound after the heating; Coat length on the titanium alloy pipeline is 50cm, is an end of longer titanium alloy pipeline, or an independent titanium alloy pipeline, and the reactive electro catalytic specie is the coating of 10～20 μ m, can not exert an influence to water passing capacity and other function of pipeline.
4. distributed titanium alloy pipeline electrolysis anti-soil apparatus according to claim 1; It is characterized in that the flange form negative electrode is used for conducting the required electric current of anti-fouler; Have conductivity, the flange form negative electrode is processed tubular structure, with the flange place that is contained in titanium alloy pipeline link position after the electrolytic anode insulation; With electrolytic anode near to reduce volts lost, the material of flange form negative electrode is a nickel-base alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110359816XA CN102409353B (en) | 2011-11-15 | 2011-11-15 | Distributed titanium alloy pipeline electrolytic antifouling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110359816XA CN102409353B (en) | 2011-11-15 | 2011-11-15 | Distributed titanium alloy pipeline electrolytic antifouling apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN102409353A true CN102409353A (en) | 2012-04-11 |
| CN102409353B CN102409353B (en) | 2013-12-11 |
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ID=45911686
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110359816XA Expired - Fee Related CN102409353B (en) | 2011-11-15 | 2011-11-15 | Distributed titanium alloy pipeline electrolytic antifouling apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862067A (en) * | 2016-04-27 | 2016-08-17 | 中国船舶重工集团公司第七二五研究所 | Biological fouling preventing device and method for underwater optimal window based on electrochemistry in-situ chlorine evolution |
| CN106082396A (en) * | 2016-08-09 | 2016-11-09 | 南京福碧源环境技术有限公司 | A kind of softening control valve with chlorine residue function |
| CN106222692A (en) * | 2016-08-22 | 2016-12-14 | 中国科学院海洋研究所 | Anti-fouler based on platform piling bar ring type electrolysis anti-soil electrode and its implementation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120687A (en) * | 1984-11-16 | 1986-06-07 | Chiyoda Chem Eng & Constr Co Ltd | Method for preventing fouling of marine organisms to seawater piping |
| CN1888141A (en) * | 2006-05-24 | 2007-01-03 | 中国船舶重工集团公司第七二五研究所 | Sea water pollution resisting oxide anode and its prepn |
| CN101423267A (en) * | 2008-11-02 | 2009-05-06 | 中国船舶重工集团公司第七二五研究所 | A kind of non-maintaining long life electrolysis anti-soil apparatus |
-
2011
- 2011-11-15 CN CN201110359816XA patent/CN102409353B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120687A (en) * | 1984-11-16 | 1986-06-07 | Chiyoda Chem Eng & Constr Co Ltd | Method for preventing fouling of marine organisms to seawater piping |
| CN1888141A (en) * | 2006-05-24 | 2007-01-03 | 中国船舶重工集团公司第七二五研究所 | Sea water pollution resisting oxide anode and its prepn |
| CN101423267A (en) * | 2008-11-02 | 2009-05-06 | 中国船舶重工集团公司第七二五研究所 | A kind of non-maintaining long life electrolysis anti-soil apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 张桂芳: "电解海水防污技术", 《材料开发与应用》 * |
| 胡德仁等: "电解海水防止海生物污损船舶的研究", 《交通部上海船舶运输科学研究所学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862067A (en) * | 2016-04-27 | 2016-08-17 | 中国船舶重工集团公司第七二五研究所 | Biological fouling preventing device and method for underwater optimal window based on electrochemistry in-situ chlorine evolution |
| CN105862067B (en) * | 2016-04-27 | 2018-01-16 | 中国船舶重工集团公司第七二五研究所 | The anti-biological of underwater optics window based on electrochemical in-situ analysis chlorine is stained apparatus and method |
| CN106082396A (en) * | 2016-08-09 | 2016-11-09 | 南京福碧源环境技术有限公司 | A kind of softening control valve with chlorine residue function |
| CN106222692A (en) * | 2016-08-22 | 2016-12-14 | 中国科学院海洋研究所 | Anti-fouler based on platform piling bar ring type electrolysis anti-soil electrode and its implementation |
| CN106222692B (en) * | 2016-08-22 | 2018-11-13 | 中国科学院海洋研究所 | Anti-fouler and its implementation based on platform piling bar ring type electrolysis anti-soil electrode |
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| CN102409353B (en) | 2013-12-11 |
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