CN201877160U - Cathode protective anti-corrosion cable - Google Patents
Cathode protective anti-corrosion cable Download PDFInfo
- Publication number
- CN201877160U CN201877160U CN2010202604588U CN201020260458U CN201877160U CN 201877160 U CN201877160 U CN 201877160U CN 2010202604588 U CN2010202604588 U CN 2010202604588U CN 201020260458 U CN201020260458 U CN 201020260458U CN 201877160 U CN201877160 U CN 201877160U
- Authority
- CN
- China
- Prior art keywords
- layer
- corrosion
- corrosion cable
- cathodic protection
- conductive polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model discloses a cathode protective anti-corrosion cable, which comprises a metal conductor, wherein a conductive polymer anode layer, an active carbon layer, an acid-resistant material layer and a fiber braid layer are covered outside of the metal conductor in sequence; the metal conductor is a copper single wire twisting body; and the conductive polymer anode layer is formed by conductive rubber and conductive polyesteramide polymer, and is 0.1mm-25mm in thickness. The conductive polymer anode material used in the cathode protective anti-corrosion cable has excellent acid-resisting and alkaline-resisting properties and is corrosion-resisting, therefore, with the structure, the copper core can be prevented from being corroded chemically, the current long-distance transmission is ensured, the continuous drip of the protected cathode is diffused into the conductive polymer, the uniform current permeates the auxiliary layer in whole length, and the cathode can be protected excellently. The high performance active carbon is arranged outside of the conductive polymer and the outer layer is wrapped by the acid-resistant material layer and the fiber braid layer, so the cable has excellent mechanical property and is convenient to mount and lay.
Description
Technical field
The utility model belongs to the cable technology field, and a kind of construction of cable that contains auxiliary anode of specific design is applicable to a kind of cathodic protection anti-corrosion cable of protecting buried steel pipeline, metal tank etc.
Background technology
Traditional protection to buried steel pipeline, metal tank etc. can be divided into impressed current method and sacrificial anode protection usually; but investment is big, expense is high, protection range is not wide simultaneously, and utmost point protection station need be repaired or increase to the anti-corrosion insulation cover layer after working long hours.Again apply cover layer, though effective, cost an arm and a leg, safeguard inconvenience; And increase the generation that utmost point protection standing-meeting causes fast, local overprotection of potential decay and shortcoming such as under proteciton.
The utility model content
The utility model purpose: technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of cathodic protection anti-corrosion cable is provided.
In order to solve the problems of the technologies described above, the utility model discloses a kind of cathodic protection anti-corrosion cable, comprise metallic conductor, outside metallic conductor, coat conducting polymer anode layer, active carbon layer, acid resisting material layer and fibrage layer successively.
In the utility model, preferably, described metallic conductor is a copper single line intertwist body.
In the utility model, preferably, described conducting polymer anode layer is conductive rubber and electrically conductive polyamide ester polymer, and thickness is 0.1mm～25mm.
In the utility model, preferably, described active carbon layer adopts the petroleum coke of calcining, bulk density 961kg/m
3, phosphorus content＞99%, thickness are 1.2～12.7mm.
In the utility model, preferably, described acid and alkali-resistance material layer is the silicon rubber sheath, and after process standard salt acid solution and standard caustic soda solution soaked a period of time, the dipping back was measured pull-off force and is not less than 7MPa, and elongation at break is not less than 100%.
In the utility model, preferably, described filament weight per unit area is 229g/m
2, rupture strength reaches 575N, and the anti-friction performance needs through 219 failure torsion tests (ASTMD-4157), and fluid impedance and chlorine-resistant property need be by 6 months immersion tests simultaneously, and the ultraviolet resistance test is passed through, and 60 ℃, 8 hours; 50 ℃, condensation in 4 hours test.This filament is network structure and is coated on the acid resisting material laminar surface.
Beneficial effect: a kind of cathodic protection anti-corrosion cable described in the utility model has the influence that following technological merit: a. can overcome environment, even in the environment of high soil resistivity, also can provide stable output current, keeps the stable of required protection potential; B. both can prevent the external interference corrosion, can avoid producing disturbance current influence to external world again; C. in special region, as usual the pipeline section of some strong corrosive environment plays specific protective effect on the pipeline; D. lower to the maintainability requirement of facility, electrical efficiency is very high, and energy consumption is little, and working life is longer; E. do not produce pollutant, environment is safe from harm.
The utility model can carry out effective anticorrosion control to the electrochemical corrosion of metallic structures systems such as metallic conduit, petroleum storage tank; have structurally flexible, easy for installation, protective current is even, economic benefit is high, long service life, can well be applicable to regional protection, old pipeline the remedial protection, irritate fields such as end protection, buried steel pipeline protection.The impressed current mode that adds cathodic protection system based on flexible anode can be used in steel pipe, storage tank protection.Flexible anode is a kind of impressed current cathodic protection auxiliary anode; what the flexible anode protection system produced in the field, ground is continuous, parallel with a pipeline column electric field; thereby protected pipeline is under the uniform electric field action, thereby has avoided protected body overprotection and generation under proteciton effectively.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done further to specify, above-mentioned and/or otherwise advantage of the present utility model will become apparent.
Fig. 1 is the cutaway view of a kind of cathodic protection anti-corrosion cable described in the utility model.
Fig. 2 is the utility model perspective view.
Fig. 3 a and Fig. 3 b are that the utility model is used schematic diagram.
Embodiment:
As depicted in figs. 1 and 2; a kind of cathodic protection anti-corrosion cable described in the utility model comprises metallic conductor 1 and conducting polymer anode layer 2 organization center conductors; described center conductor is filled with high performance active carbon layer 3 outward, is provided with acid and alkali-resistance material 4 and filament 5 wrappings outside high performance active carbon layer 3.
Above-mentioned metallic conductor 1 adopts the multicore copper stranded conductor that meets the AWG wire gauge.
The exhausted compound anode material 2 of above-mentioned conduction can be made specific insulation 1.5 Ω .cm by materials such as conductive rubber, electrically conductive polyamide esters.
Above-mentioned high performance active carbon material 3 adopts the petroleum coke of calcining, bulk density 961kg/m
3, phosphorus content＞99%, non-volatile under 950 ℃ of high temperature, thickness is between 1.2～12.7mm.
Above-mentioned acid and alkali-resistance material 4 is the silicon rubber sheath, soaks each after 7 days through standard salt acid solution and standard caustic soda solution, and the dipping back is measured pull-off force and is not less than 7MPa, and elongation at break is not less than 100%.
Above-mentioned braided fiber silk 5 weight per unit areas are 229g/m
2, rupture strength reaches 575N, and the anti-friction performance needs through 219 failure torsion tests (ASTM D-4157), and fluid impedance and chlorine-resistant property need be by 6 months immersion tests simultaneously, and the ultraviolet resistance test is passed through, and 60 ℃, 8 hours; 50 ℃, condensation in 4 hours test.
Concrete application mode when the utility model provides the cathodic protection anti-corrosion cable to use:
Shown in Fig. 3 a and Fig. 3 b; when the utility model is used; adopt the construction technology of common cable; shown in Fig. 3 b; cathodic protection anti-corrosion cable 20 is laid in the cable trough of degree of depth 1m; interval 3～5m; be installed in pipeline; near oil tank or other the protected structure 22; and be connected on the positive pole of external power supply 23; and oil tank; 22 of protected bodies such as pipeline are connected on the negative pole of external power supply 23, like this, just form a loop; make cathodic protection current can be evenly distributed in storage tank; the bottom of protected objects such as pipeline makes each position of bottom all be within the protective surface territory.Shown in Fig. 3 a, cathodic protection anti-corrosion cable 20 and protected structure 22 also are connected with potentiostat 21.
The utility model provides a kind of thinking and method of cathodic protection anti-corrosion cable; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.The all available prior art of each part not clear and definite in the present embodiment is realized.
Claims (6)
1. a cathodic protection anti-corrosion cable is characterized in that, comprises metallic conductor, coats conducting polymer anode layer, active carbon layer, acid resisting material layer and fibrage layer outside metallic conductor successively.
2. a kind of cathodic protection anti-corrosion cable according to claim 1 is characterized in that, described metallic conductor is a copper single line intertwist body.
3. a kind of cathodic protection anti-corrosion cable according to claim 1 is characterized in that described conducting polymer anode layer thickness is 0.1mm～25mm.
4. a kind of cathodic protection anti-corrosion cable according to claim 1 is characterized in that, described active carbon layer adopts the petroleum coke of calcining, and thickness is 1.2～12.7mm.
5. a kind of cathodic protection anti-corrosion cable according to claim 1 is characterized in that described acid and alkali-resistance material layer is the silicon rubber sheath.
6. a kind of cathodic protection anti-corrosion cable according to claim 1 is characterized in that described filament is network structure and is coated on the acid resisting material laminar surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202604588U CN201877160U (en) | 2010-07-15 | 2010-07-15 | Cathode protective anti-corrosion cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202604588U CN201877160U (en) | 2010-07-15 | 2010-07-15 | Cathode protective anti-corrosion cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877160U true CN201877160U (en) | 2011-06-22 |
Family
ID=44165073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202604588U Expired - Fee Related CN201877160U (en) | 2010-07-15 | 2010-07-15 | Cathode protective anti-corrosion cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360597A (en) * | 2011-09-14 | 2012-02-22 | 湖南金杯电缆有限公司 | Long flexible anode cable |
| CN103205933A (en) * | 2013-03-25 | 2013-07-17 | 河海大学 | Stay cable body utilizing impressed current cathodic protection |
| CN114016038A (en) * | 2021-10-28 | 2022-02-08 | 郑州大学 | CFRP-steel combined cable structure and electrochemical corrosion prevention method utilizing rainwater to conduct electricity |
-
2010
- 2010-07-15 CN CN2010202604588U patent/CN201877160U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360597A (en) * | 2011-09-14 | 2012-02-22 | 湖南金杯电缆有限公司 | Long flexible anode cable |
| CN103205933A (en) * | 2013-03-25 | 2013-07-17 | 河海大学 | Stay cable body utilizing impressed current cathodic protection |
| CN114016038A (en) * | 2021-10-28 | 2022-02-08 | 郑州大学 | CFRP-steel combined cable structure and electrochemical corrosion prevention method utilizing rainwater to conduct electricity |
| CN114016038B (en) * | 2021-10-28 | 2023-08-29 | 郑州大学 | CFRP-steel combined cable structure and electrochemical corrosion prevention method using rainwater for conduction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201877160U (en) | Cathode protective anti-corrosion cable | |
| CN202030826U (en) | Flexible auxiliary anode | |
| RU136805U1 (en) | MULTILAYER POLYMER PRODUCT ANODE GROUNDING ELECTRODE | |
| CN105448429A (en) | Production process of cable | |
| RU148604U1 (en) | LONG ANODE GROUNDING ELECTRODE | |
| CN102354821B (en) | Preparation method for corrosion-resistant metallic composite grounding body | |
| CN207381132U (en) | Seabed fiber composite cable | |
| CN101877437A (en) | Anti-saline alkali corrosion resistance-reduction combined grounding body | |
| CN202534796U (en) | Composite metal grounding body | |
| CN210200969U (en) | Compound graphite alkene ground connection downlead anticorrosive device | |
| CN105826705B (en) | A kind of anticorrosion high-carbon flexible ground body and preparation method | |
| CN201466233U (en) | Anti-corrosion resistance reducing module for protecting earth screen | |
| CN210404078U (en) | Long-acting resistance-reducing grounding module | |
| WO2015183133A1 (en) | Elongate anode grounding electrode | |
| CN208607923U (en) | A kind of compound ground connection cable | |
| CN201144286Y (en) | Flexible anti-corrosive anode | |
| CN201111974Y (en) | Conductive EVA elastic body insulation flexible anode cable | |
| CN202332353U (en) | Waterproof rubber jacket flexible cable for deep geothermal heat pump | |
| CN2753693Y (en) | Crude oil storage tank bottom plate external cathode protecting device | |
| CN201190184Y (en) | Flexible polymer anode | |
| CN101245463A (en) | Flexible corrosion protection anode | |
| RU173668U1 (en) | EXTENDED ANODE GROUNDING ELECTRODE | |
| CN101245464A (en) | Flexible corrosion protection anode with filler | |
| CN201144285Y (en) | Flexible anti-corrosive anode packing material | |
| CN218548098U (en) | Double-layer corrosion-resistant Teflon heat-shrinkable tube |
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 |
Granted publication date: 20110622 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |