CN211897125U - Buried pipeline cathode protection device - Google Patents
Buried pipeline cathode protection device Download PDFInfo
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- CN211897125U CN211897125U CN201922367026.0U CN201922367026U CN211897125U CN 211897125 U CN211897125 U CN 211897125U CN 201922367026 U CN201922367026 U CN 201922367026U CN 211897125 U CN211897125 U CN 211897125U
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- pipeline
- protective sleeve
- banding
- protection device
- magnesium
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Abstract
The utility model discloses a buried pipeline cathodic protection device, it includes protective sleeve and banding magnesium anode, is equipped with two banding magnesium anodes in the protective sleeve, and every banding magnesium anode wraps up the steel core, and the upper end that is located the banding magnesium anode of pipeline top is connected to protective sleeve through insulating connecting block. The beneficial effects of the utility model are that: the sleeve is internally provided with a strip-shaped magnesium anode, gypsum is filled in the sleeve, and the steel core is connected to a protection circuit, so that cathode protection is formed, and the oxidation corrosion of a pipeline is avoided; the strip-shaped magnesium anode is connected to the sleeve through the insulating connecting block, so that the installation is convenient and fast; the filling material adopts gypsum and sodium sulfate, so that the resistivity can be reduced, and the anode is uniformly corroded.
Description
Technical Field
The utility model relates to a buried pipeline cathodic protection device belongs to pipeline protection technical field.
Background
The cathodic protection technology is one of electrochemical protection technologies, and the principle of the cathodic protection technology is that an external current is applied to the surface of a corroded metal structure, and the corroded metal structure becomes a cathode, so that the electronic migration caused by metal corrosion is inhibited, and the corrosion is avoided or weakened. However, when the pipeline passes through a railway or an expressway, the sleeve is often required to be arranged, and the sleeve can play a role in shielding a cathode protection circuit of the pipeline, so that the pipeline is easy to corrode.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a buried pipeline cathodic protection device, and this protection device adopts and sets up banded magnesium anode in the sleeve, packs the gypsum in the sleeve simultaneously, and on the steel core was connected to protection circuit, formed cathodic protection like this, avoided pipeline oxidation corrosion.
The utility model discloses a following scheme realizes: the utility model provides a buried pipeline cathodic protection device, its includes protective sleeve and banding magnesium anode, the pipeline passes protective sleeve, be equipped with two in the protective sleeve banding magnesium anode, every banding magnesium anode parcel steel core is located the pipeline top the upper end of banding magnesium anode is connected to through insulating connecting block protective sleeve, is located the pipeline below the lower extreme of banding magnesium anode is connected to through insulating connecting block protective sleeve.
A filling material layer is arranged between the protective sleeve and the pipeline, and the strip-shaped magnesium anode and the insulating connecting block are positioned inside the filling material layer.
The filler layer is a filled structure formed by gypsum and sodium sulfate.
The protective sleeve is of a hollow cylindrical structure, the lower sides of the left end and the right end of the protective sleeve are connected with the pipeline through sealing layers, and the protective sleeve, the sealing layers and the pipeline form a closed cavity structure.
One end of the steel core penetrates through the strip-shaped magnesium anode and penetrates through the sealing layer to be connected to an external protection current.
The utility model has the advantages that:
1. the utility model relates to a buried pipeline cathodic protection device, which adopts the technical scheme that a strip-shaped magnesium anode is arranged in a sleeve, gypsum is filled in the sleeve, and a steel core is connected to a protection circuit, so that cathodic protection is formed, and the oxidative corrosion of the pipeline is avoided;
2. the utility model relates to a band-shaped magnesium anode of a buried pipeline cathode protection device is connected on a sleeve through an insulating connecting block, and the installation is convenient;
3. the utility model relates to a buried pipeline cathodic protection device's stopping adopts the gypsum to add the sodium sulfate, can reduce resistivity like this for anodic corrosion is even.
Drawings
Fig. 1 is a schematic view of the front view section structure of the cathode protection device for buried pipeline of the present invention.
Fig. 2 is a schematic view of the front view cross-sectional structure of the cathode protection device for buried pipelines connected with the pipeline of the present invention.
In the figure: the device comprises a protective sleeve 1, a strip-shaped magnesium anode 2, a pipeline 3, a steel core 4, an insulating connecting block 5, a filling material layer 6 and a sealing layer 7.
Detailed Description
The present invention will be further described with reference to fig. 1-2, but the scope of the present invention is not limited to the description.
In which like parts are designated by like reference numerals. It is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
The utility model provides a buried pipeline cathodic protection device, its includes protective sleeve 1 and banding magnesium anode 2, and pipeline 3 passes protective sleeve 1, is equipped with two banding magnesium anodes 2 in the protective sleeve 1, and every banding magnesium anode 2 wraps up steel core 4, and the upper end that lies in banding magnesium anode 2 of pipeline 3 top is connected to protective sleeve 1 through insulating connecting block 5, and the lower extreme that lies in banding magnesium anode 2 of pipeline 3 below is connected to protective sleeve 1 through insulating connecting block 5.
A filler layer 6 is arranged between the protective sleeve 1 and the pipeline 3, and the strip-shaped magnesium anode 2 and the insulating connecting block 5 are positioned inside the filler layer 6.
The filler layer 6 is a filled structure formed by gypsum and sodium sulphate.
Protective sleeve 1 is hollow cylindrical structure, and the downside at both ends is connected with pipeline 3 through sealing layer 7 about protective sleeve 1, and protective sleeve 1, sealing layer 7 and pipeline 3 form inclosed cavity structure.
One end of the steel core 4 passes through the strip-shaped magnesium anode 2 and is connected to an external protection current through the sealing layer 7.
Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a buried pipeline cathodic protection device which characterized in that: it includes protective sleeve (1) and banding magnesium positive pole (2), and pipeline (3) pass protective sleeve (1), be equipped with two in protective sleeve (1) banding magnesium positive pole (2), every banding magnesium positive pole (2) parcel steel core (4) are located pipeline (3) top the upper end of banding magnesium positive pole (2) is connected to through insulating connecting block (5) protective sleeve (1), is located pipeline (3) below the lower extreme of banding magnesium positive pole (2) is connected to through insulating connecting block (5) protective sleeve (1).
2. A buried pipeline cathodic protection device as defined in claim 1 wherein: a filling material layer (6) is arranged between the protective sleeve (1) and the pipeline (3), and the strip-shaped magnesium anode (2) and the insulating connecting block (5) are positioned inside the filling material layer (6).
3. A buried pipeline cathodic protection device as defined in claim 1 wherein: protective sleeve (1) is hollow cylindrical structure, the downside at both ends about protective sleeve (1) pass through sealing layer (7) with pipeline (3) are connected, protective sleeve (1), sealing layer (7) with pipeline (3) form inclosed cavity structure.
4. A buried pipeline cathodic protection device as defined in claim 3 wherein: one end of the steel core (4) penetrates through the strip-shaped magnesium anode (2) and penetrates through the sealing layer (7) to be connected to external protection current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922367026.0U CN211897125U (en) | 2019-12-25 | 2019-12-25 | Buried pipeline cathode protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922367026.0U CN211897125U (en) | 2019-12-25 | 2019-12-25 | Buried pipeline cathode protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211897125U true CN211897125U (en) | 2020-11-10 |
Family
ID=73292804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922367026.0U Active CN211897125U (en) | 2019-12-25 | 2019-12-25 | Buried pipeline cathode protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211897125U (en) |
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2019
- 2019-12-25 CN CN201922367026.0U patent/CN211897125U/en active Active
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