CN220980554U - Special-shaped seamless steel pipe - Google Patents
Special-shaped seamless steel pipe Download PDFInfo
- Publication number
- CN220980554U CN220980554U CN202323187055.1U CN202323187055U CN220980554U CN 220980554 U CN220980554 U CN 220980554U CN 202323187055 U CN202323187055 U CN 202323187055U CN 220980554 U CN220980554 U CN 220980554U
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- steel pipe
- seamless steel
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- pipe body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 106
- 239000010959 steel Substances 0.000 title claims abstract description 106
- 238000005260 corrosion Methods 0.000 claims abstract description 28
- 230000007797 corrosion Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 9
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- MECMQNITHCOSAF-UHFFFAOYSA-N manganese titanium Chemical compound [Ti].[Mn] MECMQNITHCOSAF-UHFFFAOYSA-N 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 4
- 229920006334 epoxy coating Polymers 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to the technical field of seamless steel pipes and discloses a special-shaped seamless steel pipe, which comprises a steel pipe body, wherein an outer layer is arranged on the outer side surface of the steel pipe body, an inner layer is arranged on the inner surface of the steel pipe body, a base is fixedly arranged on the inner surface of the inner layer, a water-resisting layer is arranged on the outer ring of the inner layer, and an anti-corrosion layer is arranged on the inner ring of the inner layer. According to the utility model, the steel pipe body is manufactured into the form of the equilateral triangle in section, so that the steel pipe body has higher strength to adapt to larger load, has good bending and compression resistance, can lighten the dead weight of the steel pipe body, reduces manufacturing cost, is convenient to stack during transportation, and can improve the strength of the special-shaped seamless steel pipe and prevent the special-shaped seamless steel pipe from being deformed due to impact in the use process, thereby improving the use safety of the special-shaped seamless steel pipe.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a special-shaped seamless steel pipe.
Background
The special-shaped seamless steel pipe is a general term of seamless steel pipes with other cross-sectional shapes except round pipes, and can be divided into special-shaped seamless steel pipes with equal wall thickness, special-shaped seamless steel pipes with unequal wall thickness and special-shaped seamless steel pipes with variable diameters according to the different cross-sectional shapes and sizes of the steel pipes.
According to the search, chinese patent literature, bulletin number: CN210739585U discloses a special-shaped seamless steel pipe, comprising two end pipes and a middle pipe. The end pipes are of unequal wall thickness and have an inner diameter that decreases or increases uniformly from one end to the other. The inner diameter of the middle pipe is fixed, and the inner diameter of the middle pipe is the same as the smallest inner diameter of the end pipe. The two ends of the middle pipe are fixedly connected with one ends of the two end pipes with small inner diameters. The inner walls of the end pipe and the middle pipe are also provided with bright annealing layers. Compared with the prior art, the utility model can realize acceleration when liquid flows through the structural design, can effectively reduce the risk of pipeline blockage through the increase of the flow velocity, and does not need to newly add devices such as a booster and the like.
However, when the utility model is used, the pipe wall is easy to be corroded by liquid, and the strength of the seamless steel pipe can be influenced after long-time use.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a special-shaped seamless steel tube which has good corrosion resistance and strength and solves the technical problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the special-shaped seamless steel pipe comprises a steel pipe body, wherein an outer layer is arranged on the outer side surface of the steel pipe body, and an inner layer is arranged on the inner surface of the steel pipe body;
The inner surface of inlayer fixed mounting has the base, just the outer lane of inlayer is provided with the water barrier, just the inner circle of inlayer is provided with the corrosion-resistant layer.
Preferably, the section of the steel pipe body is an equilateral triangle.
Through above-mentioned technical scheme, through making the steel pipe body into the section for equilateral triangle's style, can make the steel pipe body possess higher intensity, adapt to great load, have good bending resistance compressive property to can alleviate the dead weight of steel pipe body, reduce manufacturing cost.
Preferably, the surface of the base is welded with a reinforcing pipe, and the reinforcing pipe is made of stainless steel.
Through above-mentioned technical scheme, through setting up the strengthening pipe of stainless steel, can improve the intensity of special-shaped seamless steel pipe, prevent that special-shaped seamless steel pipe from receiving the condition emergence that the striking took place to warp in the use to the security when increasing special-shaped seamless steel pipe and using.
Preferably, the outer layer is a titanium-manganese alloy coating, and aluminum powder antirust paint is sprayed on the surface of the outer layer.
Through the technical scheme, the hardness and corrosion resistance of the material can be improved through the titanium-manganese alloy coating, so that the service life of the special-shaped seamless steel pipe is prolonged, and the rust resistance of the special-shaped seamless steel pipe can be improved through the aluminum powder antirust paint, so that the special-shaped seamless steel pipe is suitable for a wet installation environment.
Preferably, the water-resistant layer is a glass fiber reinforced plastic layer.
Through above-mentioned technical scheme, can avoid the outside steam infiltration of dysmorphism seamless steel pipe to advance its inside through setting up the water barrier for the inside difficult erosion of steel pipe, and glass steel material has good leakproofness and corrosion resistance, provides dual insurance for the steel pipe is inside.
Preferably, the corrosion-resistant layer is an epoxy coating.
Through above-mentioned technical scheme, can protect special-shaped seamless steel pipe to avoid erosion through setting up anti corrosion coating to epoxy possesses good wearability, corrosion resistance, and intensity is higher, can bear great pressure and impact, in order to improve special-shaped seamless steel pipe's life.
Compared with the prior art, the utility model provides the special-shaped seamless steel tube, which has the following beneficial effects:
1. according to the utility model, the steel pipe body is manufactured into the form of the equilateral triangle in section, so that the steel pipe body has higher strength, is suitable for larger load, has good bending and compression resistance, can lighten the dead weight of the steel pipe body, reduces manufacturing cost, and can improve the strength of the special-shaped seamless steel pipe and prevent the special-shaped seamless steel pipe from being impacted and deformed in the use process by arranging the reinforcing pipe made of stainless steel, thereby improving the use safety of the special-shaped seamless steel pipe.
2. According to the utility model, the hardness and corrosion resistance of the material can be increased through the titanium manganese alloy coating, so that the service life of the special-shaped seamless steel pipe is prolonged, the rust resistance of the special-shaped seamless steel pipe can be increased through the aluminum powder rust-proof paint, so that the special-shaped seamless steel pipe is suitable for a more humid installation environment, the special-shaped seamless steel pipe can be protected from corrosion through the corrosion-resistant layer, the epoxy resin has good wear resistance and corrosion resistance, and the strength is higher, so that the service life of the special-shaped seamless steel pipe is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the steel pipe body of the present utility model;
FIG. 4 is a schematic cross-sectional view of the inner layer of the present utility model.
Wherein: 1. a steel pipe body; 2. an outer layer; 3. a base; 4. a reinforcing tube; 5. an inner layer; 51. a water-resistant layer; 52. an anti-corrosion 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.
Embodiment one:
As shown in fig. 1-2, the special-shaped seamless steel pipe provided by the utility model comprises a steel pipe body 1, wherein the outer side surface of the steel pipe body 1 is provided with an outer layer 2, and the inner surface of the steel pipe body 1 is provided with an inner layer 5;
The base 3 is fixedly arranged on the inner surface of the inner layer 5, the outer ring of the inner layer 5 is provided with a water-resisting layer 51, and the inner ring of the inner layer 5 is provided with an anti-corrosion layer 52.
Specifically, the steel pipe body 1 has an equilateral triangle in cross section. The steel pipe body 1 is manufactured into the form that the section is of the equilateral triangle, so that the steel pipe body 1 has higher strength, is suitable for larger load, has good bending resistance and compression resistance, can lighten the dead weight of the steel pipe body 1 and reduces manufacturing cost.
Specifically, the surface welding of base 3 has the stiffening tube 4, and stiffening tube 4 is stainless steel material. The special-shaped seamless steel pipe has the advantages that the strength of the special-shaped seamless steel pipe can be improved by arranging the reinforcing pipe 4 made of stainless steel, and the special-shaped seamless steel pipe is prevented from being deformed due to impact in the use process, so that the use safety of the special-shaped seamless steel pipe is improved.
Embodiment two:
As shown in fig. 3-4, as a modification of the previous embodiment, specifically, the outer layer 2 is a titanium-manganese alloy coating, and the surface of the outer layer 2 is sprayed with aluminum powder antirust paint. The aluminum powder rust-proof paint has the advantages that the hardness and corrosion resistance of the material can be increased through the titanium manganese alloy coating, so that the service life of the special-shaped seamless steel tube is prolonged, and the rust resistance of the special-shaped seamless steel tube can be increased through the aluminum powder rust-proof paint, so that the aluminum powder rust-proof paint is suitable for a wet installation environment.
Specifically, the water-blocking layer 51 is a glass fiber reinforced plastic layer. The advantage is, can avoid the outside steam infiltration of dysmorphism seamless steel pipe to enter its inside through setting up water barrier 51 for the inside difficult erosion of steel pipe, and glass steel material has good leakproofness and corrosion resistance, provides dual insurance for the steel pipe is inside.
Specifically, the corrosion resistant layer 52 is an epoxy coating. The special-shaped seamless steel pipe has the advantages that the special-shaped seamless steel pipe can be protected from corrosion by the anti-corrosion layer 52, the epoxy resin has good wear resistance and corrosion resistance, is high in strength, can bear large pressure and impact, and accordingly the service life of the special-shaped seamless steel pipe is prolonged.
Working principle: when the special-shaped seamless steel pipe is used, the steel pipe body 1 is manufactured into a mode that the section is equilateral triangle, the steel pipe body 1 can be provided with higher strength to adapt to larger load, good bending resistance and compression resistance are achieved, the dead weight of the steel pipe body 1 can be reduced, manufacturing cost is reduced, the strength of the special-shaped seamless steel pipe can be improved through the reinforcing pipe 4 made of stainless steel materials, the special-shaped seamless steel pipe is prevented from being deformed due to impact in the use process, the safety of the special-shaped seamless steel pipe is improved, the hardness and corrosion resistance of materials can be improved through the titanium manganese alloy plating, the service life of the special-shaped seamless steel pipe is prolonged, the corrosion resistance of the special-shaped seamless steel pipe can be improved through aluminum powder rust-proof paint, so that the special-shaped seamless steel pipe is suitable for a damp installation environment, the inside of the special-shaped seamless steel pipe can be prevented from being penetrated through the waterproof layer 51, the inside of the steel pipe is not easy to erode, the glass fiber reinforced plastic material has good sealing performance and corrosion resistance, double insurance is provided for the inside the steel pipe, the special-shaped seamless steel pipe can be protected through the anti-corrosion layer 52, the epoxy resin is not eroded, the special-shaped seamless steel pipe is well, the special-shaped seamless steel pipe is high in wear resistance and the special-shaped seamless steel pipe can bear the pressure and corrosion resistance and has high corrosion resistance, and the service life performance.
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 (6)
1. The utility model provides a special-shaped seamless steel pipe, includes steel pipe body (1), its characterized in that: an outer layer (2) is arranged on the outer side surface of the steel pipe body (1), and an inner layer (5) is arranged on the inner surface of the steel pipe body (1);
The inner surface of the inner layer (5) is fixedly provided with a base (3), the outer ring of the inner layer (5) is provided with a water-resisting layer (51), and the inner ring of the inner layer (5) is provided with an anti-corrosion layer (52).
2. A profiled seamless steel tube according to claim 1, wherein: the section of the steel pipe body (1) is an equilateral triangle.
3. A profiled seamless steel tube according to claim 1, wherein: the surface welding of base (3) has strengthening pipe (4), strengthening pipe (4) are stainless steel material.
4. A profiled seamless steel tube according to claim 1, wherein: the outer layer (2) is a titanium-manganese alloy coating, and aluminum powder antirust paint is sprayed on the surface of the outer layer (2).
5. A profiled seamless steel tube according to claim 1, wherein: the water-resisting layer (51) is a glass fiber reinforced plastic layer.
6. A profiled seamless steel tube according to claim 1, wherein: the corrosion resistant layer (52) is an epoxy coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323187055.1U CN220980554U (en) | 2023-11-24 | 2023-11-24 | Special-shaped seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323187055.1U CN220980554U (en) | 2023-11-24 | 2023-11-24 | Special-shaped seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980554U true CN220980554U (en) | 2024-05-17 |
Family
ID=91042801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323187055.1U Active CN220980554U (en) | 2023-11-24 | 2023-11-24 | Special-shaped seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980554U (en) |
-
2023
- 2023-11-24 CN CN202323187055.1U patent/CN220980554U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |