CN221569704U - Natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance - Google Patents
Natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance Download PDFInfo
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- CN221569704U CN221569704U CN202323454152.2U CN202323454152U CN221569704U CN 221569704 U CN221569704 U CN 221569704U CN 202323454152 U CN202323454152 U CN 202323454152U CN 221569704 U CN221569704 U CN 221569704U
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Abstract
The utility model discloses a natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance, which comprises a metal natural gas pipeline, wherein two ends of the metal natural gas pipeline are communicated with connecting flanges, and a high strength pressure bearing layer is arranged on the surface of the metal natural gas pipeline. According to the utility model, the high-strength bearing layer, the metal titanium alloy layer, the metal aluminum alloy layer, the corrosion-resistant layer, the polyurethane coating layer and the solidified asphalt rubber coating layer are mutually matched, so that the advantages of improving the strength bearing performance and the corrosion resistance of the natural gas pipeline are achieved, the strength and the bearing performance of the natural gas pipeline can be effectively improved when the natural gas pipeline is pressed by external force, the natural gas pipeline is prevented from being broken and damaged, the service life of the natural gas pipeline is prolonged, and meanwhile, the corrosion resistance of the natural gas pipeline can be effectively improved when the natural gas pipeline is used for a long time, the corrosion damage of the natural gas pipeline is prevented, and the service life of the natural gas pipeline is prolonged.
Description
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a treatment plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas pipeline.
When natural gas is conveyed, the natural gas pipeline is required to be used, the strength and the pressure-bearing performance of the existing natural gas pipeline are poor at present, so that the natural gas pipeline is easy to break and damage when being pressed by external force, the service life of the natural gas pipeline is shortened, meanwhile, the corrosion resistance of the natural gas pipeline is poor, the natural gas pipeline is easy to corrode and damage when being used for a long time, and the service life of the natural gas pipeline is shortened, therefore, the natural gas pipeline with good high-strength corrosion resistance and pressure-bearing performance is provided.
Disclosure of utility model
The utility model aims to provide a natural gas pipeline with high strength, corrosion resistance and bearing performance, which has the advantages of improving the strength, bearing performance and corrosion resistance of the natural gas pipeline, and solves the problems that the natural gas pipeline is easy to crack and damage when the natural gas pipeline is pressed by external force and is easy to corrode and damage when the natural gas pipeline is used for a long time due to the poor corrosion resistance of the natural gas pipeline.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the natural gas pipeline with the high-strength corrosion resistance and good pressure bearing performance comprises a metal natural gas pipeline, wherein two ends of the metal natural gas pipeline are communicated with connecting flanges, a high-strength pressure bearing layer is arranged on the surface of the metal natural gas pipeline, and a corrosion resistance layer is arranged on the surface of the high-strength pressure bearing layer;
The high-strength bearing layer comprises a metal titanium alloy layer, and a metal aluminum alloy layer is welded on the surface of the metal titanium alloy layer;
The corrosion-resistant layer comprises a polyurethane coating layer, and the surface of the polyurethane coating layer is coated with a cured asphalt rubber coating layer.
Preferably, the inner wall of the metal titanium alloy layer is welded with the surface of the metal natural gas pipeline, and the thicknesses of the metal titanium alloy layer and the metal aluminum alloy layer are the same.
Preferably, the inner cavity of the high-strength bearing layer is positioned on the surface of the metal natural gas pipeline, and the diameter of the high-strength bearing layer is larger than that of the metal natural gas pipeline.
Preferably, the inner wall of the polyurethane coating layer is coated on the surface of the metal aluminum alloy layer, and the thickness of the polyurethane coating layer is the same as that of the cured asphalt rubber coating layer.
Preferably, the inner cavity of the corrosion-resistant layer is positioned on the surface of the high-strength bearing layer, and the diameter of the corrosion-resistant layer is larger than that of the high-strength bearing layer.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the high-strength bearing layer, the metal titanium alloy layer, the metal aluminum alloy layer, the corrosion-resistant layer, the polyurethane coating layer and the solidified asphalt rubber coating layer are mutually matched, so that the advantages of improving the strength bearing performance and the corrosion resistance of the natural gas pipeline are achieved, the strength and the bearing performance of the natural gas pipeline can be effectively improved when the natural gas pipeline is pressed by external force, the natural gas pipeline is prevented from being broken and damaged, the service life of the natural gas pipeline is prolonged, and meanwhile, the corrosion resistance of the natural gas pipeline can be effectively improved when the natural gas pipeline is used for a long time, the corrosion damage of the natural gas pipeline is prevented, and the service life of the natural gas pipeline is prolonged.
2. According to the utility model, the high-strength bearing layer, the metal titanium alloy layer and the metal aluminum alloy layer are mutually matched, so that the effects of improving the strength and bearing performance of the metal natural gas pipeline are achieved, the strength and bearing performance of the metal natural gas pipeline can be effectively improved, the metal natural gas pipeline is prevented from being broken and damaged, the service life of the metal natural gas pipeline is prolonged, and the corrosion resistance of the metal natural gas pipeline is improved by mutually matched the corrosion-resistant layer, the polyurethane coating layer and the solidified asphalt rubber coating layer, so that the corrosion resistance of the metal natural gas pipeline is effectively improved, the corrosion damage of the metal natural gas pipeline is prevented, and the service life of the metal natural gas pipeline is prolonged.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a right side view in cross section of the present utility model;
FIG. 3 is an enlarged cross-sectional view of the inner structure of the high-strength bearing layer of the present utility model;
FIG. 4 is an enlarged cross-sectional view of the inner structure of the corrosion-resistant layer of the present utility model.
In the figure: 1. a metal natural gas pipeline; 2. a connecting flange; 3. a high-strength pressure-bearing layer; 31. a metallic titanium alloy layer; 32. a metal aluminum alloy layer; 4. a corrosion resistant layer; 41. a polyurethane coating layer; 42. and curing the asphalt rubber coating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a natural gas pipeline with good high-strength corrosion resistance and pressure resistance comprises a metal natural gas pipeline 1, wherein two ends of the metal natural gas pipeline 1 are communicated with a connecting flange 2, a high-strength pressure bearing layer 3 is arranged on the surface of the metal natural gas pipeline 1, and a corrosion resistance layer 4 is arranged on the surface of the high-strength pressure bearing layer 3;
The high-strength bearing layer 3 comprises a metal titanium alloy layer 31, and a metal aluminum alloy layer 32 is welded on the surface of the metal titanium alloy layer 31;
The corrosion-resistant layer 4 comprises a polyurethane coating layer 41, the surface of the polyurethane coating layer 41 is coated with a cured asphalt rubber coating layer 42, and the high-strength bearing layer 3, the metal titanium alloy layer 31, the metal aluminum alloy layer 32, the corrosion-resistant layer 4, the polyurethane coating layer 41 and the cured asphalt rubber coating layer 42 are mutually matched, so that the advantages of improving the strength bearing performance and the corrosion resistance of the natural gas pipeline are achieved, the strength and the bearing performance of the natural gas pipeline can be effectively improved when the natural gas pipeline is pressed by external force, the natural gas pipeline is prevented from being broken and damaged, the service life of the natural gas pipeline is prolonged, meanwhile, the corrosion resistance of the natural gas pipeline can be effectively improved when the natural gas pipeline is used for a long time, the service life of the natural gas pipeline is prolonged.
The inner wall of the metal titanium alloy layer 31 is welded with the surface of the metal natural gas pipeline 1, the thicknesses of the metal titanium alloy layer 31 and the metal aluminum alloy layer 32 are the same, the inner cavity of the high-strength bearing layer 3 is positioned on the surface of the metal natural gas pipeline 1, and the diameter of the high-strength bearing layer 3 is larger than that of the metal natural gas pipeline 1.
Through above-mentioned technical scheme, through setting up high strength pressure-bearing layer 3, metallic titanium alloy layer 31 and metallic aluminum alloy layer 32 mutually support, play the effect that improves metallic natural gas pipeline 1 intensity and pressure-bearing performance, can effectually improve metallic natural gas pipeline 1's intensity and pressure-bearing performance, prevent that metallic natural gas pipeline 1 from breaking and damaging, prolonged metallic natural gas pipeline 1's life.
The inner wall of the polyurethane coating layer 41 is coated on the surface of the metal aluminum alloy layer 32, the thickness of the polyurethane coating layer 41 is the same as that of the cured asphalt rubber coating layer 42, the inner cavity of the corrosion-resistant layer 4 is positioned on the surface of the high-strength bearing layer 3, and the diameter of the corrosion-resistant layer 4 is larger than that of the high-strength bearing layer 3.
Through above-mentioned technical scheme, through setting up corrosion-resistant layer 4, polyurethane dope layer 41 and solidification asphalt rubber dope layer 42 mutually support, play the effect that improves metal natural gas pipeline 1 corrosion resistance, can effectually improve metal natural gas pipeline 1's corrosion resistance, prevent that metal natural gas pipeline 1 from appearing corroding the damage, prolonged metal natural gas pipeline 1's life.
The working principle of the utility model is as follows: through setting up high strength bearing layer 3, metallic titanium alloy layer 31 and metallic aluminum alloy layer 32 mutually support, play the effect that improves metallic natural gas pipeline 1 intensity and bearing capacity, can effectually improve metallic natural gas pipeline 1 intensity and bearing capacity, prevent that metallic natural gas pipeline 1 from breaking the damage, prolonged metallic natural gas pipeline 1's life, through setting up corrosion-resistant layer 4, polyurethane coating layer 41 and solidification asphalt rubber coating layer 42 mutually support, play the effect that improves metallic natural gas pipeline 1 corrosion resistance, can effectually improve metallic natural gas pipeline 1's corrosion resistance, prevent metallic natural gas pipeline 1 to appear corroding the damage, metallic natural gas pipeline 1's life has been prolonged, thereby the advantage that improves natural gas pipeline intensity bearing capacity and corrosion resistance has been reached.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high strength corrosion-resistant pressure-bearing performance good natural gas pipeline, includes metal natural gas pipeline (1), its characterized in that: connecting flanges (2) are communicated with two ends of the metal natural gas pipeline (1), a high-strength bearing layer (3) is arranged on the surface of the metal natural gas pipeline (1), and a corrosion-resistant layer (4) is arranged on the surface of the high-strength bearing layer (3);
The high-strength bearing layer (3) comprises a metal titanium alloy layer (31), and a metal aluminum alloy layer (32) is welded on the surface of the metal titanium alloy layer (31);
The corrosion-resistant layer (4) comprises a polyurethane coating layer (41), and the surface of the polyurethane coating layer (41) is coated with a cured asphalt rubber coating layer (42).
2. The natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance according to claim 1, wherein: the inner wall of the metal titanium alloy layer (31) is welded with the surface of the metal natural gas pipeline (1), and the thicknesses of the metal titanium alloy layer (31) and the metal aluminum alloy layer (32) are the same.
3. The natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance according to claim 1, wherein: the inner cavity of the high-strength bearing layer (3) is positioned on the surface of the metal natural gas pipeline (1), and the diameter of the high-strength bearing layer (3) is larger than that of the metal natural gas pipeline (1).
4. The natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance according to claim 1, wherein: the inner wall of the polyurethane coating layer (41) is coated on the surface of the metal aluminum alloy layer (32), and the thickness of the polyurethane coating layer (41) is the same as that of the solidified asphalt rubber coating layer (42).
5. The natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance according to claim 1, wherein: the inner cavity of the corrosion-resistant layer (4) is positioned on the surface of the high-strength bearing layer (3), and the diameter of the corrosion-resistant layer (4) is larger than that of the high-strength bearing layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323454152.2U CN221569704U (en) | 2023-12-18 | 2023-12-18 | Natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323454152.2U CN221569704U (en) | 2023-12-18 | 2023-12-18 | Natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221569704U true CN221569704U (en) | 2024-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323454152.2U Active CN221569704U (en) | 2023-12-18 | 2023-12-18 | Natural gas pipeline with high strength, corrosion resistance and good pressure bearing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221569704U (en) |
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2023
- 2023-12-18 CN CN202323454152.2U patent/CN221569704U/en active Active
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