CN214699794U - Anti-corrosion coating structure in pipeline - Google Patents
Anti-corrosion coating structure in pipeline Download PDFInfo
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- CN214699794U CN214699794U CN202120695067.7U CN202120695067U CN214699794U CN 214699794 U CN214699794 U CN 214699794U CN 202120695067 U CN202120695067 U CN 202120695067U CN 214699794 U CN214699794 U CN 214699794U
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- anticorrosive
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Abstract
The utility model relates to an anticorrosive coating structure in pipeline belongs to coating structure technical field. The technical problem of how to provide an anticorrosive coating structure in the pipeline with excellent anticorrosive performance is solved. The utility model discloses an anti-corrosion coating structure in a pipeline, which comprises a primer, a finish, a first anti-corrosion layer and a second anti-corrosion layer; the primer is zinc-rich epoxy anti-rust primer, and is coated on the inner surface of the pipeline; the finish paint is epoxy anticorrosive finish paint, and the finish paint is coated on the inner surface of the primer; the first anticorrosive layer is epoxy polyurethane anticorrosive finish paint, and is coated on the inner surface of the finish paint; the second anticorrosive layer is epoxy modified organic silicon heat-resistant anticorrosive paint, and is coated on the inner surface of the first anticorrosive layer. The anti-corrosion coating structure in the pipeline can block most chemicals, including caustic soda, dilute acid, salt solution, water, steam and petroleum solvent; the durability is good.
Description
Technical Field
The utility model belongs to the technical field of the coating structure, concretely relates to anticorrosive coating structure in pipeline.
Background
A pipe is a device for transporting a gas, a liquid or a fluid with solid particles. The pipeline has wide application range, and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices.
When the pipeline is used, particularly the pipeline for conveying oil and gas is mostly in a complex soil environment, the pipeline is easily corroded and deteriorated under the chemical and electrochemical actions of internal and external media or by the metabolic activity of microorganisms, once the pipeline is corroded and perforated, oil and gas are leaked, so that the transportation is interrupted, the environment is polluted, and even fire disasters are possibly caused to cause harm. Therefore, in order to prolong the service life of the pipeline and ensure the service performance of the pipeline, the pipeline needs to be subjected to anticorrosion treatment.
The coating is uniformly and densely coated on the inner surface of the metal pipeline to isolate the metal pipeline from various corrosive media, and is one of the most basic methods for pipeline corrosion prevention. But with the high requirements of people on the living quality, such as the temperature rise of a pipeline caused by heating and conveying oil products, the corrosion resistance of the coating is required to be higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem of how to provide an anticorrosive coating structure in pipeline that corrosion protection is excellent, provide an anticorrosive coating structure in pipeline.
The utility model provides a technical scheme as follows that above-mentioned technical problem took.
The utility model discloses an anti-corrosion coating structure in a pipeline, which comprises a primer, a finish, a first anti-corrosion layer and a second anti-corrosion layer;
the primer is a zinc-rich epoxy anti-rust primer, and is coated on the inner surface of the pipeline;
the finish paint is epoxy anticorrosive finish paint, and the finish paint is coated on the inner surface of the primer;
the first anticorrosive layer is epoxy polyurethane anticorrosive finish paint, and is coated on the inner surface of the finish paint;
the second anticorrosive layer is epoxy modified organic silicon heat-resistant anticorrosive paint, and is coated on the inner surface of the first anticorrosive layer.
Further, the thickness of the primer is 70-90 μm.
Further, the thickness of the finish paint is 38-50 μm.
Further, the thickness of the first anti-corrosion layer is 100-120 μm.
Further, the thickness of the second anticorrosive layer is 60-75 μm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an anticorrosive coating structure's priming paint is rich zinc epoxy anti-rust primer in the pipeline, and the finish paint is the anticorrosive finish paint of epoxy, and both matrixes possess fine affinity.
The utility model discloses an anticorrosive coating structure's in pipeline first anticorrosive coating is the anticorrosive finish paint of epoxy polyurethane, not only has fine resistant oily corrosion resistance, and all contains epoxy with the finish paint, possesses fine affinity.
The utility model discloses a second anticorrosive coating of anticorrosive coating structure in pipeline is the modified organosilicon heat-resisting anticorrosive paint of epoxy, not only has fine heat-resisting anticorrosive nature, and all contains epoxy with first anticorrosive coating, possesses fine affinity.
The utility model discloses an anticorrosive coating structure in the pipeline can block most chemicals, including caustic soda, dilute acid, salt solution, water, steam and petroleum solvent; the durability is good.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the present invention will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive labor.
FIG. 1 is a schematic structural view of the structure of the anti-corrosion coating in the pipeline of the present invention;
in the figure, 1, a pipeline, 2, a primer, 3, a finish, 4, a first anticorrosive layer, 5 and a second anticorrosive layer.
Detailed Description
For further understanding of the present invention, the following detailed description of the embodiments of the present invention is provided for the purpose of illustrating the features and advantages of the present invention, and is not intended to limit the scope of the claims.
As shown in figure 1, the utility model discloses an anticorrosive coating structure in pipeline, including priming paint 2, finish paint 3, first anticorrosive coating 4 and second anticorrosive coating 5. Among these, primer 2 is a zinc-rich epoxy anti-rust primer, which is available in a manner well known to those skilled in the art, such as commercially available, nyclei-waterborne epoxy zinc-rich primer; the primer 2 is coated on the inner surface of the pipeline 1; the thickness of the primer 2 is 70-90 μm. Topcoat 3 is an epoxy-based anti-corrosive topcoat, which is available in a manner well known to those skilled in the art, such as a commercially available, two-lion-epoxy based anti-corrosive topcoat; the finish paint 3 is coated on the inner surface of the primer 2; the thickness of the finish 3 is 38-50 μm. The first corrosion protection layer 4 is an epoxy polyurethane corrosion protection finish, which is available in a manner well known to those skilled in the art, such as a commercially available XLZ-1731 epoxy polyurethane heavy duty finish; the first anticorrosive layer 4 is coated on the inner surface of the finish paint 3; the thickness of the first anti-corrosion layer 4 is 100-120 μm. The second anticorrosive layer 5 is epoxy modified organic silicon heat-resistant anticorrosive paint, which can be obtained by a method well known by the technical personnel in the field, such as commercially available Sinomenium acutum-epoxy organic silicon high-temperature resistant paint; the second anticorrosive layer 5 is coated on the inner surface of the first anticorrosive layer 4; the thickness of the second anticorrosive layer 5 is 60 to 75 μm.
Claims (5)
1. The anti-corrosion coating structure in the pipeline is characterized by comprising a primer (2), a finish (3), a first anti-corrosion layer (4) and a second anti-corrosion layer (5);
the primer (2) is a zinc-rich epoxy anti-rust primer, and the primer (2) is coated on the inner surface of the pipeline (1);
the finish paint (3) is epoxy anticorrosive finish paint, and the finish paint (3) is coated on the inner surface of the primer (2);
the first anticorrosive layer (4) is epoxy polyurethane anticorrosive finish paint, and the first anticorrosive layer (4) is coated on the inner surface of the finish paint (3);
the second anticorrosive layer (5) is epoxy modified organic silicon heat-resistant anticorrosive paint, and the second anticorrosive layer (5) is coated on the inner surface of the first anticorrosive layer (4).
2. The corrosion-resistant coating structure in a pipe according to claim 1, wherein the primer (2) has a thickness of 70-90 μm.
3. The anticorrosion coating structure in pipes according to claim 1, wherein the thickness of said top coat (3) is 38-50 μm.
4. The structure of an anticorrosion coating in a pipe as claimed in claim 1, wherein the thickness of the first anticorrosion layer (4) is 100-120 μm.
5. The corrosion-resistant coating structure in a pipe according to claim 1, wherein the thickness of the second corrosion-resistant layer (5) is 60-75 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120695067.7U CN214699794U (en) | 2021-04-06 | 2021-04-06 | Anti-corrosion coating structure in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120695067.7U CN214699794U (en) | 2021-04-06 | 2021-04-06 | Anti-corrosion coating structure in pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214699794U true CN214699794U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120695067.7U Active CN214699794U (en) | 2021-04-06 | 2021-04-06 | Anti-corrosion coating structure in pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214699794U (en) |
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2021
- 2021-04-06 CN CN202120695067.7U patent/CN214699794U/en active Active
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