CN210566746U - Plastic-coated composite steel pipe - Google Patents
Plastic-coated composite steel pipe Download PDFInfo
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- CN210566746U CN210566746U CN201920516175.6U CN201920516175U CN210566746U CN 210566746 U CN210566746 U CN 210566746U CN 201920516175 U CN201920516175 U CN 201920516175U CN 210566746 U CN210566746 U CN 210566746U
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- steel pipe
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- tube
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Abstract
The utility model discloses a plastic-coated composite steel pipe, including the steel pipe parent tube, the steel pipe parent tube outside is provided with the first layer of moulding that covers, and the first layer of moulding closely wraps in the steel pipe parent tube outside of covering, steel pipe parent tube inboard is provided with the second and covers and mould the layer, and the second covers and moulds the layer and closely wrap in steel pipe parent tube inboard, the first layer of moulding and the second covers moulds the layer and establishes to polyethylene, epoxy, polyurethane or polyurea anticorrosive coating. The utility model discloses set up first, second at the inside and outside surface of steel pipe parent tube and cover and mould the layer and overcome steel pipe itself perishable, rusty defect, effectively prolong the life of steel pipe.
Description
Technical Field
The utility model relates to a pipe fitting especially relates to a plastic-coated composite steel pipe.
Background
The steel pipe is widely applied to conveying gas, fluid and powdery solid in daily life and construction engineering, the requirements on the performance of the pipeline are higher and higher due to the characteristics of high temperature, corrosivity and the like of a conveying medium, the common steel pipe has the defects of easy corrosion, pollution and scaling, and the plastic pipe is low in strength, easy to deform and poor in fire-fighting performance. The coated composite steel pipe overcomes the defects, can be widely applied to the conveying of various media, and has longer service life. The traditional coated composite steel pipe has the defects that the coating layer is easy to separate from the steel pipe, the coating layer is brittle and cannot resist collision and the like, and the service life of the steel pipe is influenced.
Disclosure of Invention
To the not enough of prior art, the utility model aims to provide a plastic-coated composite steel pipe.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a plastic-coated composite steel pipe, includes the steel pipe parent tube, the steel pipe parent tube outside is provided with the first layer of moulding that covers, and the first layer of moulding that covers closely wraps in the steel pipe parent tube outside, steel pipe parent tube inboard is provided with the second and covers the layer of moulding, and the second covers and moulds the layer and closely wrap in steel pipe parent tube inboard, the first layer of moulding and the second covers moulds the layer and establishes to polyethylene, epoxy, polyurethane or polyurea anticorrosive coating.
Preferably, the first plastic-coated layer is a polyethylene anticorrosive coating, and the second plastic-coated layer is an epoxy resin, polyurethane or polyurea anticorrosive coating.
Preferably, the first plastic-coated layer and the second plastic-coated layer are composite layers of a plurality of anti-corrosion coatings.
Preferably, the steel tube base tube is one of a straight seam steel tube, a seamless steel tube, a spiral steel tube, a submerged arc steel tube or a galvanized steel tube.
Preferably, the thickness of the first plastic-coated layer and the thickness of the second plastic-coated layer are both set to be 0.2-0.5 mm.
The utility model has the advantages that: the plastic-coated composite steel pipe of the utility model has the advantages that the plastic-coated layers are arranged on the inner side and the outer side of the base pipe of the steel pipe, so that the base pipe of the steel pipe is not easy to corrode and deform, and the plastic-coated composite steel pipe has longer service life and good use effect; the first plastic-coated layer and the second plastic-coated layer both adopt multilayer anticorrosive composite layers, and the performance is better than the overall performance of a single-layer structure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that 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 according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an embodiment of the plastic-coated composite steel pipe of the present invention.
Description of reference numerals: 1. a steel pipe base pipe; 2. a first plastic-coated layer; 3. and a second plastic-coated layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, this embodiment relates to a plastic-coated composite steel pipe, including steel pipe parent tube 1, the steel pipe parent tube outside is provided with first covering and moulds layer 2, and first covering is moulded layer 2 and is closely wrapped in the steel pipe parent tube 1 outside, 1 inboard of steel pipe parent tube is provided with the second and is covered and moulds layer 3, and the second covers and moulds layer 3 and closely wraps in steel pipe parent tube 1 inboard, and first covering is moulded layer 2 and is established to the polyethylene anticorrosive coating (also can establish to epoxy, polyurethane or polyurea anticorrosive coating), and the second covers and moulds layer 3 and establish to epoxy, polyurethane or polyurea anticorrosive coating. According to different purposes and parameter requirements, the first plastic coating layer and the second plastic coating layer can be set to be a composite layer of 2-4 anticorrosive coatings.
The steel tube base tube 1 is one of a straight seam steel tube, a seamless steel tube, a spiral steel tube, a submerged arc steel tube or a galvanized steel tube, the size and the specification can be determined according to specific use, the thicknesses of the first plastic coating layer 2 and the second plastic coating layer 3 are both set to be 0.2-0.5 mm, the plastic coating layer is easy to fall off when being too thin, the weight is increased when being too thick, the installation and the transportation are inconvenient, and the manufacturing cost is increased.
The technical solutions of the present invention have been described above with reference to specific embodiments, but it should be noted that the above descriptions are only for explaining the solutions of the present invention, and should not be interpreted as a specific limitation to the scope of the invention in any way. Based on the explanation here, those skilled in the art can conceive of other embodiments of the present invention or equivalent alternatives without creative efforts, and will fall into the protection scope of the present invention.
Claims (3)
1. The utility model provides a plastic-coated composite steel pipe, includes steel pipe parent tube, its characterized in that: the steel pipe parent tube outside is provided with the first layer of moulding of covering, and the first layer of moulding of covering closely wraps in the steel pipe parent tube outside, steel pipe parent tube inboard is provided with the second and covers the layer of moulding, and the second covers the layer of moulding closely wraps in steel pipe parent tube inboard, the first layer of moulding and the second covers the layer of moulding and establishes to polyethylene, epoxy, polyurethane or polyurea anticorrosive coating, the first layer of moulding and the second covers the composite bed that the layer of moulding established to a plurality of anticorrosive coating, the first thickness of covering the layer of moulding and the second and all establishing to 0.2 ~ 0.5 mm.
2. The plastic-coated composite steel pipe of claim 1, wherein: the first plastic coating layer is a polyethylene anticorrosive coating, and the second plastic coating layer is an epoxy resin, polyurethane or polyurea anticorrosive coating.
3. The plastic-coated composite steel pipe of claim 1, wherein: the steel tube base tube is one of a straight seam steel tube, a seamless steel tube, a spiral steel tube, a submerged arc steel tube or a galvanized steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516175.6U CN210566746U (en) | 2019-04-16 | 2019-04-16 | Plastic-coated composite steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516175.6U CN210566746U (en) | 2019-04-16 | 2019-04-16 | Plastic-coated composite steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566746U true CN210566746U (en) | 2020-05-19 |
Family
ID=70639625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920516175.6U Active CN210566746U (en) | 2019-04-16 | 2019-04-16 | Plastic-coated composite steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566746U (en) |
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2019
- 2019-04-16 CN CN201920516175.6U patent/CN210566746U/en active Active
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