CN220930412U - High-temperature corrosion-resistant coated steel pipe - Google Patents
High-temperature corrosion-resistant coated steel pipe Download PDFInfo
- Publication number
- CN220930412U CN220930412U CN202322720233.6U CN202322720233U CN220930412U CN 220930412 U CN220930412 U CN 220930412U CN 202322720233 U CN202322720233 U CN 202322720233U CN 220930412 U CN220930412 U CN 220930412U
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- Prior art keywords
- layer
- coating
- steel pipe
- resistant
- rust
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 230000007797 corrosion Effects 0.000 title claims description 15
- 239000010410 layer Substances 0.000 claims abstract description 91
- 239000011248 coating agent Substances 0.000 claims abstract description 72
- 238000000576 coating method Methods 0.000 claims abstract description 72
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000004593 Epoxy Substances 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 239000003094 microcapsule Substances 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 241000251468 Actinopterygii Species 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a high-temperature anti-corrosion coating steel pipe, and relates to the technical field of composite pipes, namely, the composite pipes are made of materials which are not fully included in any one of the groups. This high temperature anticorrosive coating steel pipe, which comprises a body, the body includes protective layer, central layer and inlayer, the protective layer sets up in the outermost side of body, the central layer is located the inboard of protective layer, the inlayer of inlayer in the central layer, the protective layer includes the wearing layer, first anticorrosive coating and rust-resistant coating, the wearing layer sets up in the outermost side of protective layer, first anticorrosive coating sets up the inboard at first anticorrosive coating, the central layer includes the steel pipe body, rust-resistant coating bonds the surface at the steel pipe body, can be so that when carrying the body, can promote the security of body, avoid leading to the risk increase of body surface being corroded because of fish tail surface coating back, rust-resistant coating also greatly reduced surface rusty risk simultaneously, thereby increase of service life.
Description
Technical Field
The utility model relates to the technical field of composite pipes, namely, the composite pipes are made of materials which are not fully included in any one of the groups, in particular to a high-temperature anti-corrosion coating steel pipe.
Background
The steel pipe is not only used for transporting fluid and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also an economical steel material. The steel pipe is used to manufacture the net frame, the support and the mechanical support of the building structure, which can reduce the weight, save the metal by 20-40%, and realize the industrialized mechanized construction. The steel pipe is used to make highway bridge, so that it not only can save steel material and simplify construction, but also can greatly reduce the area of coating protection layer and save investment and maintenance cost.
In the application process of the steel pipe, as the environment where the steel pipe is located is complex, the medium flowing in the steel pipe contains corrosive elements, so that the steel pipe is corroded, the service life of the steel pipe is further influenced, the elements such as iron, sulfur, phosphorus and the like contained in the steel pipe can enter the circulation object and adversely affect the quality of the circulation object, the epoxy resin coating is coated on the inner surface and the outer surface of the steel pipe in the prior art to increase the corrosion resistance of the steel pipe, the technical scheme has the defect of poor wear resistance, the surface of the steel pipe is damaged in the carrying or mounting process of the steel pipe, and the steel pipe is corroded.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art, and provides a high-temperature anti-corrosion coating steel pipe, which can solve the problem that a surface coating is easy to scratch and damage a steel pipe body.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature anticorrosion coating steel pipe, includes the body, the body includes protective layer, central layer and inlayer, and the protective layer sets up in the outside of body, and the central layer is located the inboard of protective layer, and the inlayer is located the inlayer of central layer, and the protective layer includes wearing layer, first anticorrosive coating and rust-resistant coating, and the wearing layer sets up in the outside of protective layer, and first anticorrosive layer sets up in the inboard of wearing layer, and rust-resistant coating sets up in the inboard of first anticorrosive layer, and rust-resistant coating, central layer include the steel pipe body, and rust-resistant coating bonds the surface at the steel pipe body.
Preferably, the inner layer comprises a microcapsule self-repairing layer, the outer surface of the microcapsule self-repairing layer is fixedly connected with the inner wall of the steel pipe body, and a second anti-corrosion layer is arranged on the inner side of the microcapsule self-repairing layer.
Preferably, the inner side of the second anti-corrosion layer is provided with a high temperature resistant layer, and the inner wall of the body positioned at the corner is fixedly connected with a buffer bulge.
Preferably, the outer surface of the buffer bulge is provided with a second high temperature resistant layer, and the first anti-corrosion layer and the second anti-corrosion layer are all three layers, including an epoxy powder coating, an adhesive layer and a polyethylene coating.
Preferably, the epoxy powder coating is arranged at the innermost side of the first anti-corrosion layer, the adhesive layer is arranged at the outer side of the epoxy powder coating, and the epoxy powder coating is adhered at the inner side of the wear-resistant layer.
Preferably, the polyethylene coating is arranged on the outer side of the adhesive layer, and the polyethylene coating is adhered to the outer surface of the antirust coating.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The high-temperature corrosion-resistant coated steel pipe has the advantages that when the steel pipe is carried, if the outer surface of the body is carelessly scratched, the steel pipe can be firstly contacted with the abrasion-resistant layer made of the fluorocarbon coating, so that the outer surface of the body has the characteristics of high surface hardness, impact resistance, buckling resistance and good abrasion resistance, the probability of the surface of the body being scratched is reduced, meanwhile, the first corrosion-resistant layer made of the polyethylene corrosion-resistant layer can reduce the risk of the surface of the body being corroded after the scratching occurs, the service life is prolonged, the outer surface of the body is not easy to rust due to the rust-resistant coating formed by mixing red lead and drying oil, and the service life is further prolonged.
(2) When the liquid flowing at high speed in the steel pipe body passes through the corner, the liquid can firstly contact the buffer bulge, the buffer bulge absorbs the impact force generated by the liquid, so that the inner wall of the corner is protected, the risk of damage caused by water flow impact at the corner of the body can be reduced, the service life is prolonged, the heat inside the body can be isolated by the second high-temperature resistant layer made of glass fibers, the insulativity, the heat resistance, the corrosion resistance and the mechanical strength of the body are improved, and meanwhile, when cracks are generated on the inner wall of the body, the cracks are filled and repaired by the microcapsule self-repairing layer, so that the risk of cracking is reduced.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural view of a high temperature corrosion resistant coated steel pipe according to the present utility model;
FIG. 2 is a schematic view of a passivation layer according to the present utility model;
FIG. 3 is a schematic view of an inner layer of the present utility model;
FIG. 4 is a schematic view of a first corrosion protection layer according to the present utility model;
FIG. 5 is a schematic view of a bump of the present utility model.
Reference numerals: 1. a body; 2. a protective layer; 3. a center layer; 4. an inner layer; 5. a wear-resistant layer; 6. a first corrosion protection layer; 7. an anti-rust coating; 8. a steel pipe body; 9. a microcapsule self-healing layer; 10. a second anti-corrosion layer; 11. a buffer protrusion; 12. a second high temperature resistant layer; 13. an epoxy powder coating; 14. an adhesive layer; 15. a polyethylene coating; 16. and a high temperature resistant layer.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a high temperature anticorrosive coating steel pipe, including body 1, body 1 includes protective layer 2, central layer 3 and inlayer 4, protective layer 2 sets up in the outermost side of body 1, central layer 3 is located the inboard of protective layer 2, inlayer 4 is located the inlayer of central layer 3, protective layer 2 includes wearing layer 5, first anticorrosive layer 6 and rust-resistant coating 7, wearing layer 5 sets up the outermost side at protective layer 2, first anticorrosive layer 6 sets up the inboard at wearing layer 5, rust-resistant coating 7 sets up the inboard at first anticorrosive layer 6, rust-resistant coating 7, central layer 3 includes steel pipe body 8, rust-resistant coating 7 bonds in the surface of steel pipe body 8, if carelessly produce the scratch to the surface of body 1 when carrying, can contact the wearing layer of being made by fluorocarbon coating at first, make the surface of body 1 have the surface hardness height, shock resistance, buckling resistance, characteristics that the wearability is good, reduce the probability that body 1 surface is scratched, simultaneously after the scratch takes place by the first anticorrosive layer 6 that the polyethylene anticorrosive layer was made can reduce the body 1 surface by the risk of corroding, thereby increase life, and by rust-resistant coating 7 also can lead to the rust-resistant coating 1 to the surface to rust-resistant coating 1 when carrying the surface is greatly to the surface 1 to be carried out, and the rust-resistant coating 1 is further can be improved by the life, the life is further can be improved to the surface 1, and rust-resistant coating 1 is greatly can be carried out to the surface 1.
Further, inlayer 4 includes microcapsule self-repairing layer 9, microcapsule self-repairing layer 9 is located inlayer 4's the most outside, microcapsule self-repairing layer 9's surface and the inner wall fixed connection of steel pipe body 8, microcapsule self-repairing layer 9's inboard is provided with second anticorrosive coating 10, the inboard of second anticorrosive coating 10 is provided with high temperature resistant layer 16, the inner wall fixedly connected with buffering arch 11 that body 1 is located the corner, buffering arch 11's surface is provided with and sets up second high temperature resistant layer 12, first anticorrosive coating 6 and second anticorrosive coating 10 all set up to the three-layer, including epoxy powder coating 13, adhesive layer 14 and polyethylene coating 15, epoxy powder coating 13 sets up the most inboard at first anticorrosive coating 6, adhesive layer 14 sets up the outside at epoxy powder coating 13, the adhesion of polyethylene coating 15 is at the surface of rust-resistant coating 7, when the liquid corner that the inner high-speed of steel pipe body 8 flows, will contact at first the buffering arch 11, the inner wall can produce the buffering 11 and produce the impact strength at the same time of the thermal shock resistance 1 can also be made to the thermal shock-resistant layer 1 at the inner wall of the thermal shock-resistant layer 1 when the thermal-resistant layer 1 is broken, the crack 1 is produced to the thermal-insulated, the crack resistance 1 can be further is made to the inside to the thermal-insulated body, the crack 1 is produced to the thermal-insulated, the crack is reduced, the thermal resistance is further is reduced, the thermal-shock resistance is reduced and the thermal-resistant 1 is produced at the inner side of the thermal-resistant body is broken.
Working principle: if the outer surface of the body 1 is scratched carelessly during carrying, the outer surface of the body 1 is contacted with the wear-resistant layer made of fluorocarbon paint firstly, so that the outer surface of the body 1 has the characteristics of high surface hardness, impact resistance, buckling resistance and good wear resistance, the probability of the surface of the body 1 being scratched is reduced, meanwhile, the first anti-corrosion layer 6 made of the polyethylene anti-corrosion layer can reduce the risk of the surface of the body 1 being corroded after the scratching occurs, the service life is prolonged, the outer surface of the body 1 is not easy to rust due to the anti-rust coating 7 formed by mixing red lead and drying oil, the service life is further prolonged, when liquid flowing at a high speed in the steel pipe body 8 passes through corners, the outer surface of the body is contacted with the buffer bulge 11 firstly, and the buffer bulge 11 absorbs the impact force generated by the liquid, so that the inner wall at the corners is protected.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (6)
1. The utility model provides a high temperature anticorrosive coating steel pipe, includes body (1), its characterized in that: the body (1) includes protective layer (2), central layer (3) and inlayer (4), protective layer (2) set up in the outside of body (1), central layer (3) are located the inboard of protective layer (2), inlayer (4) are located the inlayer of central layer (3), protective layer (2) include wearing layer (5), first anticorrosive coating (6) and rust-resistant coating (7), wearing layer (5) set up in the outside of protective layer (2), first anticorrosive coating (6) set up in the inboard of wearing layer (5), rust-resistant coating (7) set up in the inboard of first anticorrosive coating (6), rust-resistant coating (7), central layer (3) include steel pipe body (8), rust-resistant coating (7) bond the surface at steel pipe body (8).
2. A high temperature corrosion resistant coated steel pipe according to claim 1, wherein: the inner layer (4) comprises a microcapsule self-repairing layer (9), the outer surface of the microcapsule self-repairing layer (9) is fixedly connected with the inner wall of the steel pipe body (8), and a second anti-corrosion layer (10) is arranged on the inner side of the microcapsule self-repairing layer (9).
3. A high temperature corrosion resistant coated steel pipe according to claim 2, wherein: the inner side of the second anti-corrosion layer (10) is provided with a high temperature resistant layer (16), and the inner wall of the body (1) positioned at the corner is fixedly connected with a buffer bulge (11).
4. A high temperature corrosion resistant coated steel pipe according to claim 3, wherein: the outer surface of the buffer bulge (11) is provided with a second high-temperature resistant layer (12), and the first anti-corrosion layer (6) and the second anti-corrosion layer (10) are all three layers, including an epoxy powder coating (13), an adhesive layer (14) and a polyethylene coating (15).
5. A high temperature corrosion resistant coated steel pipe according to claim 4, wherein: the epoxy powder coating (13) is arranged at the innermost side of the first anti-corrosion layer (6), the adhesive layer (14) is arranged at the outer side of the epoxy powder coating (13), and the epoxy powder coating (13) is adhered at the inner side of the wear-resistant layer (5).
6. A high temperature corrosion resistant coated steel pipe according to claim 5, wherein: the polyethylene coating (15) is arranged on the outer side of the adhesive layer (14), and the polyethylene coating (15) is adhered to the outer surface of the antirust coating (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720233.6U CN220930412U (en) | 2023-10-11 | 2023-10-11 | High-temperature corrosion-resistant coated steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720233.6U CN220930412U (en) | 2023-10-11 | 2023-10-11 | High-temperature corrosion-resistant coated steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930412U true CN220930412U (en) | 2024-05-10 |
Family
ID=90936030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322720233.6U Active CN220930412U (en) | 2023-10-11 | 2023-10-11 | High-temperature corrosion-resistant coated steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930412U (en) |
-
2023
- 2023-10-11 CN CN202322720233.6U patent/CN220930412U/en active Active
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