CN201971899U - Flexible anode - Google Patents
Flexible anode Download PDFInfo
- Publication number
- CN201971899U CN201971899U CN2011200028371U CN201120002837U CN201971899U CN 201971899 U CN201971899 U CN 201971899U CN 2011200028371 U CN2011200028371 U CN 2011200028371U CN 201120002837 U CN201120002837 U CN 201120002837U CN 201971899 U CN201971899 U CN 201971899U
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- Prior art keywords
- flexible anode
- flexible
- anode
- fexible conductor
- core
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Abstract
The utility model discloses a flexible anode which comprises a flexible conductor and a covering layer made of chemical fiber materials and covers the outside of the flexible conductor. The material formed by the weaving the chemical fiber material is arranged outside the flexible conductor and to be used as the covering layer, therefore, flexible anode with different transverse/longitudinal resistance ratios can be conveniently and effectively produced, and the adjustability of current attenuation ratio of the flexible anode is increased. In addition, the problem that the traditional flexible anode product cannot meet the requirement under the condition of needing larger drainage density and longer protection distance is solved, and the application range of the flexible anode product in cathodic protection projects of buried pipelines and storage tanks is expanded.
Description
Technical field
The utility model relates to a kind of supplementary anode that is used for the pipeline corrosion protection galvanic protection, especially relates to a kind of flexible anode.
Background technology
Anodic protection is the effective measure of corrosion of control buried metal structures and storage tank, and at present, a kind of flexible anode technology of linear long-life anode core begins to obtain to use widely.
This flexible anode is usually near pipelining, makes protective current not be subjected to the condition of surface of protected body and buried condition effect and uniform distribution.Determine down that in the condition of flexible anode applied environment the outward current rate of fall-off of flexible anode (length of flexible anode single-point power supply unidirectional protection) the directly ratio by horizontal spreading resistance of the unit length of flexible anode and unit length longitudinal electrical resistance determines.The horizontal spreading resistance of unit length is big more, and the vertical spreading resistance of unit length is more little, and then the horizontal outward current rate of fall-off longitudinally of flexible anode is more little, and guard space is long more.For example, when soil resistivity lower, the occasion that the flexible anode stake resistance is less, flexible anode laterally loose the stream electric current can be very big, need flexible anode that relatively long single-point power supply unidirectional protection distance is provided with this understanding.
Existing flexible anode product is comparatively single, and the different laterally products of spreading resistance can not be provided, and makes the application of flexible anode be restricted.
The utility model content
The utility model purpose is to provide a kind of can provide different laterally spreading resistances according to ambient conditions, thereby regulates the flexible anode of current damping rate.
For this reason, the utility model provides a kind of flexible anode, comprises fexible conductor, and the integument of being made by fibers material that is wrapped in the fexible conductor outside.
Further, flexible anode also is provided with the carbon dust layer, and the carbon dust layer is arranged between integument and the fexible conductor.
Further, flexible anode also comprises the flexible anode core, and what the flexible anode core was parallel with fexible conductor is arranged in the carbon dust layer.
Further, integument is made by the fibers material of knitting tightness in 170T～430T scope.
Further, fibers material is polyamide fibre 210T, terylene 210T, polyvinyl or acrylic fibers.
Further, fibers material is polyvinyl chloride fibre, polypropylene fibre, polyethylene or waterproof terylene.
Further, fexible conductor is a copper core cable, comprises conductive copper core and the insulating sheath that is wrapped in conductive copper core outside.
Further, the sectional area of conductive copper core is 10mm
2To 70mm
2
Further, above-mentioned fexible conductor is electrically connected every 1-3 rice with the flexible anode core.
Further, above-mentioned fexible conductor is provided with waterproof insulating layer with the outside at the flexible anode core place of electrical connection.
The beneficial effects of the utility model: flexible anode provided by the utility model; by the material that forms by fibers material braiding in the fexible conductor outer setting as integument; can produce flexible anode easily and effectively with different transverse and longitudinal resistance ratios; increase the adjustability of the current damping rate of flexible anode; thereby solve the problem that under the situation of big current drainage density of needs and longer guard space, can not meet the demands of existing flexible anode product, improve the range of application of flexible anode product in buried pipeline and tank cathodic protection project.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.With reference to figure, the utility model is described in further detail below.
Description of drawings
Accompanying drawing constitute this specification sheets a part, be used for further understanding the utility model, preferred embodiment of the present utility model has been shown in the accompanying drawing, and has been used for illustrating principle of the present utility model with specification sheets.Among the figure:
Fig. 1 shows the structural representation according to the flexible anode of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but following embodiment and accompanying drawing only are in order to understand the utility model, and can not limit the utility model, the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
In a kind of embodiment of the present utility model, flexible anode comprises fexible conductor 1 and the integument of being made by fibers material 2 that is wrapped in fexible conductor 1 outside.The kind of fibers material is more; can be under the prerequisite of the anodic reaction that does not influence flexible anode; make flexible anode and ambient conditions better fit use; can be according to the ambient conditions of environment for use; change employed fibers material; change the outward current rate of fall-off (length of flexible anode single-point power supply unidirectional protection) of flexible anode, to meet of the requirement of protected body to foreign current.Also be provided with carbon dust layer 3 in the flexible anode, carbon dust layer 3 is arranged between lapping 2 and the fexible conductor 1.Also comprise flexible anode core 4 in the flexible anode, flexible anode core 4 is set in parallel in the carbon dust layer 3 with fexible conductor 1.In order to guarantee the stable connection of flexible anode of the present invention, preferably, fexible conductor 1 is electrically connected every 1-3 rice with flexible anode core 4.More preferably, fexible conductor 1 is provided with waterproof insulating layer with the outside at flexible anode core 4 places of electrical connection.Waterproof insulating layer is arranged on the inside of carbon dust layer 3 and integument 2.
Described as background parts, the outward current rate of fall-off of flexible anode (length of flexible anode single-point power supply unidirectional protection) the directly ratio by horizontal spreading resistance of the unit length of flexible anode and unit length longitudinal electrical resistance determines.The horizontal spreading resistance of unit length is big more, and the vertical spreading resistance of unit length is more little, and then the horizontal outward current rate of fall-off longitudinally of flexible anode is more little, and guard space is long more.
For the buried pipeline and the storage tank negative electrode of the big current drainage density of needs, preferably in the utility model flexible anode, adopt knitting tightness is little, water-permeable and air permeable is good fibers material as integument 2.Have the fibers material of this performance, but realize reducing the flexible anode stake resistance, thus reduce the horizontal spreading resistance of flexible anode, increase the current damping rate of flexible anode, at this moment, though shortened the guard space of flexible anode; But can realize increasing the purpose of flexible anode unit length electric current output; More preferably, above-mentioned integument 2 adopts the fibers material of knitting tightness at 170T～430T, is preferably 170T～210T.In this scope, can when reducing the horizontal spreading resistance of flexible anode, avoid the leakage of carbon dust layer 3.More preferably, fibers material is polyamide fibre, terylene, polyvinyl or acrylic fibers, is preferably polyamide fibre 210T, terylene 210T.
Buried pipeline and storage tank negative electrode for the big current drainage density of needs also can reduce the flexible anode stake resistance by another mode, promptly add the inorganic salts that the antianode reaction has no adverse effects in the carbon dust layer 3 of the utility model flexible anode.Also can add antianode and react in the inorganic salts that has no adverse effects in the carbon dust layer 3 of this flexible anode, the employing fibers material that knitting tightness is little, water-permeable and air permeable is good is as integument 2.Can reduce the flexible anode stake resistance this moment better, realizes increasing the purpose of flexible anode unit length electric current output.
For the buried pipeline and the storage tank negative electrode of needs increase guard space, preferably in the utility model flexible anode, adopt the fibers material of water-permeable and air permeable difference as integument 2.Use has the fibers material of this performance, can realize reducing flexible anode unit length longitudinal electrical resistance, increases the flexible anode stake resistance, thereby increases the horizontal spreading resistance of flexible anode, reduces the purpose of flexible anode unit length outward current rate of fall-off; And then the guard space of increase flexible anode.Preferably, fibers material is polyvinyl chloride fibre, polypropylene fibre, polyethylene or waterproof terylene.
Buried pipeline and storage tank negative electrode for the big current drainage density of needs, also can reduce flexible anode unit length longitudinal electrical resistance by another mode, as shown in Figure 1, fexible conductor 1 is a copper core cable in the utility model flexible anode, the insulating sheath 13 that comprises conductive copper core 11 and be wrapped in conductive copper core 11 outsides.Increase the sectional area of conductive copper core 11, also can reduce flexible anode unit length longitudinal electrical resistance.Preferably the sectional area of compliant conductive copper core 11 is 10mm
2To 70mm
2, preferably, the sectional area of compliant conductive copper core 11 is 25mm
2To 70mm
2In this scope, can lower the cost of manufacture of flexible anode at low flexible anode unit length longitudinal electrical resistance as far as possible.
Preferably, use the fibers material and the bigger conductive copper core 11 of sectional area of water-permeable and air permeable difference simultaneously in the utility model flexible anode, can reduce flexible anode unit length longitudinal electrical resistance this moment better, increases the guard space of flexible anode.
Flexible anode provided by the utility model; by adopting fibers material as the lapping layer; can produce easily and effectively and have different transverse and longitudinal resistance ratios; increase the adjustability of the current damping rate of flexible anode; thereby solve the problem that under the situation of big current drainage density of needs and longer guard space, can not meet the demands of existing flexible anode product, improve the range of application of flexible anode product in buried pipeline and tank cathodic protection project.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a flexible anode comprises fexible conductor (1), it is characterized in that, described flexible anode further comprises the integument of being made by fibers material (2) that is wrapped in described fexible conductor (1) outside.
2. flexible anode according to claim 1 is characterized in that, also is provided with carbon dust layer (3), and described carbon dust layer (3) is arranged between described integument (2) and the described fexible conductor (1).
3. flexible anode according to claim 2 is characterized in that, also comprises flexible anode core (4), and what described flexible anode core (4) was parallel with described fexible conductor (1) is arranged in the described carbon dust layer (3).
4. according to each described flexible anode in the claim 1 to 3, it is characterized in that described integument (2) is made at the fibers material of 170T～430T by knitting tightness.
5. flexible anode according to claim 4 is characterized in that, described fibers material is polyamide fibre 210T, terylene 210T, polyvinyl or acrylic fibers.
6. according to each described flexible anode in the claim 1 to 3, it is characterized in that described fibers material is polyvinyl chloride fibre, polypropylene fibre, polyethylene or waterproof terylene.
7. flexible anode according to claim 6 is characterized in that, described fexible conductor (1) is a copper core cable, comprising: conductive copper core (11) and the insulating sheath (13) that is wrapped in conductive copper core (11) outside.
8. flexible anode according to claim 7 is characterized in that, the sectional area of described conductive copper core (11) is that 10mm2 is to 70mm2.
9. flexible anode according to claim 3 is characterized in that, described fexible conductor (1) is electrically connected every 1-3 rice with described flexible anode core (4).
10. flexible anode according to claim 9 is characterized in that, described fexible conductor (1) is provided with waterproof insulating layer with the outside at described flexible anode core (4) place of electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200028371U CN201971899U (en) | 2011-01-06 | 2011-01-06 | Flexible anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200028371U CN201971899U (en) | 2011-01-06 | 2011-01-06 | Flexible anode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201971899U true CN201971899U (en) | 2011-09-14 |
Family
ID=44577006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200028371U Expired - Lifetime CN201971899U (en) | 2011-01-06 | 2011-01-06 | Flexible anode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201971899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823574A (en) * | 2018-05-23 | 2018-11-16 | 北京碧海舟腐蚀防护工业股份有限公司 | Flexible anode |
-
2011
- 2011-01-06 CN CN2011200028371U patent/CN201971899U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823574A (en) * | 2018-05-23 | 2018-11-16 | 北京碧海舟腐蚀防护工业股份有限公司 | Flexible anode |
| CN108823574B (en) * | 2018-05-23 | 2023-09-29 | 北京碧海云智新材料技术有限公司 | Flexible anode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |