CN220337851U - Antioxidant plastic-coated composite steel pipe - Google Patents
Antioxidant plastic-coated composite steel pipe Download PDFInfo
- Publication number
- CN220337851U CN220337851U CN202321871517.9U CN202321871517U CN220337851U CN 220337851 U CN220337851 U CN 220337851U CN 202321871517 U CN202321871517 U CN 202321871517U CN 220337851 U CN220337851 U CN 220337851U
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- Prior art keywords
- steel pipe
- layer
- wear
- coating
- resistant
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 116
- 239000010959 steel Substances 0.000 title claims abstract description 116
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 229920003023 plastic Polymers 0.000 title claims abstract description 31
- 239000003963 antioxidant agent Substances 0.000 title description 7
- 230000003078 antioxidant effect Effects 0.000 title description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 43
- 238000000576 coating method Methods 0.000 claims abstract description 43
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 60
- 230000007797 corrosion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model relates to an anti-oxidation plastic-coated composite steel pipe, which comprises a steel pipe body, wherein a heat insulation layer is arranged on the outer side of the steel pipe body, the heat insulation layer is formed by a first heat insulation coating and a second heat insulation coating, a reinforcing layer is arranged on the outer side of the heat insulation layer, a wear-resistant layer is arranged on the outer side of the reinforcing layer, the wear-resistant layer is formed by the first wear-resistant coating and the second wear-resistant coating, an anti-oxidation layer is arranged on the outer side of the wear-resistant layer, and the steel pipe body is formed by combining the heat insulation layer, the wear-resistant layer and the anti-oxidation layer. The utility model solves the problems that the surface of the steel pipe is easy to corrode, the steel pipe body is further damaged, the service life of the steel pipe is influenced, and the long-term use of the steel pipe is further limited to a certain extent, so that the later maintenance cost of the steel pipe is increased, the practicability of the steel pipe is reduced, and the practical use is not facilitated.
Description
Technical Field
The utility model relates to the technical field of anti-oxidation composite steel pipes, in particular to an anti-oxidation plastic-coated composite steel pipe.
Background
The antioxidation plastic-coated composite steel pipe is a steel material with a hollow section, the length of which is far greater than the diameter or the perimeter, and is divided into round, square, rectangular and special-shaped steel pipes according to the section shape; the materials are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes; the steel pipe is divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, mechanical manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process is divided into a seamless steel pipe and a welded steel pipe, wherein the seamless steel pipe is further divided into two types of hot rolling and cold rolling, the welded steel pipe is further divided into a straight seam welded steel pipe and a spiral seam welded steel pipe, wherein the steel pipe further comprises a multi-element composite steel pipe, and the multi-element composite steel pipe is generally composed of two or more different materials such as steel, polymer, ceramic and the like. The composite material technology relates to reasonable combination and bonding technology of different materials so as to realize excellent performance of the composite material, and the antioxidation plastic-coated composite steel pipe mainly provides additional protection and functions through a plastic coating on the basis of protecting the steel pipe from oxidization and corrosion. The technology is widely applied to the fields of petroleum, chemical industry, water supply, water discharge and the like, and has important economic and environmental significance.
The existing steel pipe is poor in wear-resisting and corrosion-resisting capabilities, and the oxidation resistance of the surface of the steel pipe is weak, so that the steel pipe is subjected to oxidation reaction after long-time use, the steel pipe is easy to corrode, the steel pipe body is further damaged, the service life of the steel pipe is influenced, the long-time use of the steel pipe is further limited to a certain extent, the later maintenance cost of the steel pipe is increased, the practicability of the steel pipe is reduced, and the steel pipe is unfavorable for practical use.
Disclosure of Invention
In view of the above problems in the prior art, a main object of the present utility model is to provide an oxidation-resistant plastic-coated composite steel pipe.
The technical scheme of the utility model is as follows: the anti-oxidation plastic-coated composite steel pipe comprises a steel pipe body, wherein a heat insulation layer is arranged on the outer side of the steel pipe body and is composed of a first heat insulation coating and a second heat insulation coating, a reinforcing layer is arranged on the outer side of the heat insulation layer, a wear-resistant layer is arranged on the outer side of the reinforcing layer and is composed of a first wear-resistant coating and a second wear-resistant coating, an anti-oxidation layer is arranged on the outer side of the wear-resistant layer, and the steel pipe body is composed of the heat insulation layer, the wear-resistant layer and the anti-oxidation layer.
As a preferred embodiment, the reinforcing layer is composed of a steel strip, a bonding layer and a corrosion-preventing layer.
In a preferred embodiment, the first thermal insulation coating is made of polystyrene, and the second thermal insulation coating is made of silicate.
As a preferred embodiment, the first wear-resistant coating is a thermoplastic powder coating and the second wear-resistant coating is a polyethylene plastic layer.
As a preferred embodiment, the antioxidation layer is an aluminum coating.
As a preferred embodiment, the adhesive layer is made of epoxy resin.
In a preferred embodiment, the anticorrosive layer is made of an anticorrosive paint, and the anticorrosive paint is made of an inner epoxy outer polyethylene material.
Compared with the prior art, when the anti-oxidation plastic-coated composite steel pipe is used daily, the anti-oxidation plastic-coated composite steel pipe is installed on the appointed communication device, the stable service performance of the anti-oxidation plastic-coated composite steel pipe is utilized to facilitate long-term use, the anti-oxidation layer is used for contacting with the outside through the long-term use, the good anti-oxidation performance of the anti-oxidation layer is achieved, the composite steel pipe is further prevented from being damaged by oxidation reaction, then the reinforcing layer is matched to protect the steel pipe body, the abrasion of the steel pipe body is prevented by the abrasion-resistant layer outside the reinforcing layer in use, the damage to the pipe body is avoided, the service life of the composite steel pipe is further prolonged, the problem of the later maintenance cost of the steel pipe is solved, the service efficiency of the composite steel pipe is improved, the limitation of the steel pipe in the use process is further reduced, and the composite steel pipe is more beneficial to practical use.
Drawings
FIG. 1 is a schematic diagram of a semi-sectional structure of an antioxidant plastic-coated composite steel pipe provided by the utility model;
FIG. 2 is a schematic diagram of a front view cross-section structure of an antioxidant plastic-coated composite steel pipe provided by the utility model;
FIG. 3 is a schematic diagram of a layered structure of a heat insulating layer of the antioxidant plastic-coated composite steel pipe provided by the utility model;
FIG. 4 is a schematic diagram of a layered structure of a wear-resistant layer of the antioxidant plastic-coated composite steel pipe provided by the utility model;
FIG. 5 is a schematic diagram of the layered structure of the reinforcing layer of the antioxidant plastic-coated composite steel pipe.
Legend description: 1. a steel pipe body; 2. a thermal insulation layer; 3. a wear-resistant layer; 4. an oxidation resistant layer; 5. a reinforcing layer; 201. a first thermal barrier coating; 202. a second thermal barrier coating; 301. a first wear-resistant coating; 302. a second wear-resistant coating; 501. a steel strip; 502. a bonding layer; 503. and an anti-corrosion layer.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
It should be noted that where used, the description of upper, lower, left, right, front, rear, top, bottom, forward, reverse, clockwise and counterclockwise are used for convenience only and do not imply any particular orientation of securement. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that, where used, the terms "mounted," "secured," "connected," and "connected" are to be construed broadly, as well as being either fixedly connected, detachably connected, or integrally connected, unless explicitly stated and limited otherwise; the structure connection can be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium; may be a communication between the interiors of the two elements. The specific meaning of the above-described procedure in the present utility model can be understood in a specific case by those skilled in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
It is noted that these and other figures are merely examples, which are not drawn to scale and should not be construed as limiting the scope of the utility model as it is actually claimed. In addition, the conversion modes in the different embodiments may be appropriately combined.
Example 1
As shown in fig. 1 to 5, the present utility model provides a technical solution: the anti-oxidation plastic-coated composite steel pipe comprises a steel pipe body 1, wherein a heat insulation layer 2 is arranged on the outer side of the steel pipe body 1, the heat insulation layer 2 is formed by a first heat insulation coating 201 and a second heat insulation coating 202, a reinforcing layer 5 is arranged on the outer side of the heat insulation layer 2, a wear-resistant layer 3 is arranged on the outer side of the reinforcing layer 5, the wear-resistant layer 3 is formed by a first wear-resistant coating 301 and a second wear-resistant coating 302, an anti-oxidation layer 4 is arranged on the outer side of the wear-resistant layer 3, and the steel pipe body 1 is formed by combining the heat insulation layer 2, the wear-resistant layer 3 and the anti-oxidation layer 4.
Through the embodiment, when the anti-oxidation plastic-coated composite steel pipe is used daily, the anti-oxidation plastic-coated composite steel pipe is installed on the appointed communication device, the stable service performance of the anti-oxidation plastic-coated composite steel pipe is utilized to facilitate long-term use, the anti-oxidation layer 4 outside is used for contacting with the outside through long-term use, the good anti-oxidation performance of the anti-oxidation layer 4 is achieved, the composite steel pipe is further prevented from being damaged by oxidation reaction, then the reinforcing layer 5 is matched to protect the steel pipe body 1, the wear-resistant layer 3 outside the reinforcing layer 5 is utilized to prevent the steel pipe body 1 from being worn in use, so that the damage to the pipe body is avoided, the service life of the composite steel pipe is further prolonged, the problem of later maintenance cost of the steel pipe is reduced, the service efficiency of the composite steel pipe is improved, and the limitation of the steel pipe in the use process is further reduced, and the composite steel pipe is more beneficial to practical use.
Example 2
As shown in fig. 1 to 5, the reinforcing layer 5 is composed of a steel strip 501, a bonding layer 502, and a corrosion preventing layer 503. Through set up tie coat 502 in steel pipe body 1 outside for become firm relation of connection between steel pipe body 1 and the steel band 501, through set up anticorrosive coating 503 on the surface of steel band 501, make steel band 501 combine steel pipe body 1 have stronger anti-corrosion capacity, and then make the practicality of this compound steel pipe improve, more convenient to use.
Wherein, the first thermal insulation coating 201 is made of polystyrene, and the second thermal insulation coating 202 is made of silicate. Silicate has good heat insulation performance and high temperature resistance, and polystyrene has good heat insulation performance and compression resistance.
Wherein the first wear-resistant coating 301 is a thermoplastic powder coating and the second wear-resistant coating 302 is a polyethylene plastic layer. The polyethylene layer can effectively isolate the contact between the steel pipe and the external environment, and prevent the steel pipe from being corroded by external oxidation, corrosion and the like.
Wherein the antioxidation layer 4 is an aluminum coating. The aluminum coating is prepared by a thermal spraying mode, aluminum has good oxidation performance, and an oxide film can be formed to protect the surface of steel from oxidation and corrosion.
Wherein the adhesive layer 502 is made of epoxy resin. The steel strip 501 is bonded to the steel pipe body 1 by spraying an adhesive of epoxy resin material on the outer wall of the pipe and forming a firm bond between the steel strip 501 and the outer wall of the pipe through the adhesive layer 502.
Wherein the anticorrosive layer 503 is made of anticorrosive paint, and the anticorrosive paint is made of inner epoxy and outer polyethylene. The inner epoxy outer polyethylene has excellent corrosion resistance. The internal epoxy coating can effectively isolate the medium in the pipeline from directly contacting with the steel pipe, so that the condition that the steel pipe is corroded by the medium is prevented.
Working principle: firstly, an aluminum coating is sprayed on the surface of steel in a thermal spraying mode, so that an antioxidation layer 4 is constructed on the surface of the steel, an oxide film is formed on the surface of the steel through the antioxidation layer 4 to perform antioxidation protection on the steel pipe body 1, then the thermoplastic powder coating and the polyethylene plastic layer in the wear-resistant layer 3 are utilized to perform wear-resistant protection on the steel pipe body 1, the strength and corrosion resistance of the steel pipe body 1 are improved through the reinforcing layer 5, and finally the polystyrene coating and the silicate coating in the heat insulation layer 2 are utilized to enable the composite steel pipe to be more practical.
Claims (7)
1. The anti-oxidation plastic-coated composite steel pipe comprises a steel pipe body (1), and is characterized in that: the steel pipe body is characterized in that a heat insulation layer (2) is arranged on the outer side of the steel pipe body (1), the heat insulation layer (2) is formed by a first heat insulation coating (201) and a second heat insulation coating (202), a reinforcing layer (5) is arranged on the outer side of the heat insulation layer (2), a wear-resistant layer (3) is arranged on the outer side of the reinforcing layer (5), the wear-resistant layer (3) is formed by a first wear-resistant coating (301) and a second wear-resistant coating (302), an antioxidation layer (4) is arranged on the outer side of the wear-resistant layer (3), and the steel pipe body (1) is formed by combining the heat insulation layer (2), the wear-resistant layer (3) and the antioxidation layer (4).
2. An oxidation resistant plastic coated composite steel pipe according to claim 1, wherein: the reinforcing layer (5) is composed of a steel belt (501), a bonding layer (502) and an anti-corrosion layer (503).
3. An oxidation resistant plastic coated composite steel pipe according to claim 1, wherein: the first heat-insulating coating (201) is made of polystyrene, and the second heat-insulating coating (202) is made of silicate.
4. An oxidation resistant plastic coated composite steel pipe according to claim 1, wherein: the first wear-resistant coating (301) is a thermoplastic powder coating and the second wear-resistant coating (302) is a polyethylene plastic layer.
5. An oxidation resistant plastic coated composite steel pipe according to claim 1, wherein: the antioxidation layer (4) is an aluminum coating.
6. An oxidation resistant plastic coated composite steel pipe according to claim 2, wherein: the bonding layer (502) is made of epoxy resin.
7. An oxidation resistant plastic coated composite steel pipe according to claim 2, wherein: the anticorrosive coating (503) is composed of anticorrosive paint, and the anticorrosive paint is made of inner epoxy and outer polyethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321871517.9U CN220337851U (en) | 2023-07-17 | 2023-07-17 | Antioxidant plastic-coated composite steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321871517.9U CN220337851U (en) | 2023-07-17 | 2023-07-17 | Antioxidant plastic-coated composite steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337851U true CN220337851U (en) | 2024-01-12 |
Family
ID=89449399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321871517.9U Active CN220337851U (en) | 2023-07-17 | 2023-07-17 | Antioxidant plastic-coated composite steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337851U (en) |
-
2023
- 2023-07-17 CN CN202321871517.9U patent/CN220337851U/en active Active
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