CN219571273U

CN219571273U - Novel sealed lining stainless steel coating composite steel pipe

Info

Publication number: CN219571273U
Application number: CN202223533176.2U
Authority: CN
Inventors: 朱镕
Original assignee: Xinghua Yading Stainless Steel Products Co ltd
Current assignee: Xinghua Yading Stainless Steel Products Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-22
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a novel sealed lining stainless steel coating composite steel pipe, which comprises a pipe body, wherein the pipe body comprises a protective layer, an anticorrosive layer, a carbon steel layer and a stainless steel layer, the carbon steel layer is positioned at the outer side of the stainless steel layer, the anticorrosive layer is positioned at the outer side of the carbon steel layer, the protective layer is positioned at the outer side of the anticorrosive layer, the anticorrosive layer comprises a surface layer and a bottom layer, the protective layer comprises a reticular layer, salient points are fixed at the nodes of the reticular layer, an anti-scratch layer is arranged at the inner side of the reticular layer, the PVC reticular layer is wrapped on the outer surface of the anticorrosive layer to form a protective cover, the anticorrosive layer on the surface of the pipe body is prevented from being scratched due to scratch when a pipeline is buried or the pipeline is moved, and the problem that the anticorrosive layer paint is scratched on the inner side of the reticular layer due to the manufacturing precision problem is prevented due to the fact that the reticular layer has no heat storage function, and the heat dissipation of the pipe body can be helped, and the paint is prevented from being denatured and damaged due to overhigh temperature.

Description

Novel sealed lining stainless steel coating composite steel pipe

Technical Field

The utility model belongs to the technical field of lining stainless steel composite steel pipes, and particularly relates to a novel sealed lining stainless steel coating composite steel pipe.

Background

The inner lining stainless steel composite steel pipe is a thin-wall stainless steel pipe which is composited on the inner wall of the steel pipe, the corrosion resistance of the steel pipe in the water conveying, hot water conveying, gas conveying, natural gas conveying and oil conveying processes is greatly improved, the surface is smooth, the fluid resistance is small, the mechanical strength of the steel pipe is high, the advantages of welding, groove and thread connection and good sealing performance can be adopted, and the defects that the galvanized steel pipe is easy to corrode, and the plastic pipe is easy to leak and age are overcome.

The lining stainless steel composite steel pipe is a bimetal pipe which takes a carbon steel pipe as a base pipe and is formed by compounding a stainless steel lining pipe and the base pipe through a process, because a carbon steel layer is not corrosion-resistant, an anti-corrosion paint is generally used for coating a pipe wall to protect a pipe body, but because the anti-corrosion paint can generate a large number of scratch behaviors when moving or burying, the damage condition of a paint surface is caused, a protective layer is required to be added on the outer layer of the anti-corrosion paint, and the existing protective measures have two types: the anti-corrosion layer is coated with a layer of wear-resistant paint, but the paint still can scratch and damage in the process of transportation and embedding.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a novel sealed lining stainless steel coating composite steel pipe, which has the advantages and further solves the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel inside lining stainless steel coating composite steel pipe of sealing, includes the body, the body includes protective layer, anticorrosive coating, carbon steel layer and stainless steel layer, the carbon steel layer is located the stainless steel layer outside, the anticorrosive coating is located the carbon steel layer outside, the protective layer is located the anticorrosive coating outside, the anticorrosive coating includes surface course and bottom, the protective layer includes the netted layer, netted layer node department all is fixed with the bump, netted layer inboard is provided with prevents scraping the layer.

As a preferable technical scheme of the utility model, the protective layer is of a net structure, and the uninterrupted sheet material is spirally wound on the outer side of the anti-corrosion layer.

As a preferable technical scheme of the utility model, flange connection discs are arranged at two ends of the pipe body.

As a preferable technical scheme of the utility model, the mesh layer and the salient points are made of PVC materials.

As a preferable technical scheme of the utility model, the scratch-resistant layer is made of rubber.

As a preferable technical scheme of the utility model, the anti-corrosion layer comprises a surface layer and a bottom layer, and the surface layer is sprayed on the outer side of the bottom layer.

As a preferable technical scheme of the utility model, the surface layer is made of perchloroethylene coating, and the bottom layer is made of epoxy resin coating.

Compared with the prior art, the utility model has the beneficial effects that: the PVC mesh layer is wrapped on the outer surface of the anti-corrosion layer to form a protective cover, so that the anti-corrosion layer on the surface of the pipe body is prevented from being scratched when the pipe is buried or the pipe is moved, the problem that the anti-corrosion layer paint is scratched on the inner side of the mesh layer due to the problem of manufacturing precision is prevented by the inner side rubber anti-scratch layer, and the mesh-shaped structure of the mesh layer does not have a heat storage function, so that the heat dissipation of the pipe body can be helped, the excessive temperature, denaturation and damage of the anti-corrosion layer paint caused by the fact that hot water is conveyed in the pipe are prevented, and the bump structure can play a buffering and fixing role when the pipe is buried, so that the pipe is prevented from shifting; the anticorrosive layer comprises a surface layer and a bottom layer, and the surface layer is used as a primer, and is sealed by perchloroethylene coating to be used as a finishing paint because the epoxy resin paint is light-lost and atomized when being sun-cured.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is an overall cross-sectional view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure at A in the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

in the figure: 1. a flange connection disc; 2. a tube body; 3. a bump; 4. a mesh layer; 5. a scratch-resistant layer; 6. a surface layer; 7. a bottom layer; 8. a carbon steel layer; 9. a stainless steel layer; 10. a protective layer; 11. and 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.

Examples

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a novel inside lining stainless steel coating composite steel pipe of sealing, includes body 2, body 2 includes protective layer 10, anticorrosive coating 11, carbon steel layer 8 and stainless steel layer 9, carbon steel layer 8 is located the stainless steel layer 9 outside, anticorrosive coating 11 is located the carbon steel layer 8 outside, protective layer 10 is located the anticorrosive coating 11 outside, anticorrosive coating 11 includes surface course 6 and bottom 7, protective layer 10 includes netted layer 4, netted layer 4 node department all is fixed with bump 3, netted layer 4 inboard is provided with prevents scrapes layer 15, in this embodiment, wraps up at anticorrosive layer 11 external surface through netted layer 4 and forms one deck safety cover, prevents to scratch anticorrosive coating 11 on body 2 surface because of scraping when burying or removing the pipeline, and prevents through inboard rubber scratch-proof layer 5 that netted layer 4 inboard scratch-proof layer 11 paint that leads to because netted layer 4 makes the problem of precision problem, because netted layer 4's structure does not possess the function, can help body 2, prevents that anticorrosive coating 11 from scratch the bump because of high temperature, can prevent that the heat dissipation from damaging at 3, can prevent the pipeline from shifting when the effect when burying the pipeline.

For the convenience of production, in this embodiment, as a preferred embodiment of the present utility model, the protective layer 10 is a mesh structure and the uninterrupted sheet is spirally wound on the outer side of the anti-corrosive layer 11.

In order to facilitate the connection and sealing of the pipe body 2, in this embodiment, as a preferred technical scheme of the present utility model, flange connection discs 1 are provided at two ends of the pipe body 2.

In order to reduce the production cost, and the PVC is low in price and corrosion resistant, in this embodiment, as a preferred technical scheme of the present utility model, the mesh layer 4 and the bump 3 are both made of PVC.

In order to prevent the mesh layer from damaging the paint on the surface of the pipe body 2 due to the manufacturing precision problem, in this embodiment, as a preferred technical scheme of the present utility model, the scratch-resistant layer 15 is made of rubber.

In order to facilitate construction of the anticorrosive layer 11 outside the carbon steel layer 8, in this embodiment, as a preferred technical scheme of the present utility model, the anticorrosive layer 11 includes a surface layer 6 and a bottom layer 7, the surface layer 6 is sprayed on the outer side of the bottom layer 7, the surface layer 6 is made of perchloroethylene paint, and the bottom layer 7 is made of epoxy resin paint.

In summary, by means of the above technical scheme of the present utility model, the PVC mesh layer 4 wraps the outer surface of the anti-corrosion layer 11 to form a protective cover, so as to prevent the anti-corrosion layer 11 on the surface of the pipe body 2 from being scratched when the pipe is buried or moved, and prevent the anti-corrosion layer 11 paint from being scratched on the inner side of the mesh layer 4 due to the manufacturing precision problem by the inner side rubber anti-scratch layer 5, because the mesh structure of the mesh layer 4 does not have a heat storage function, the heat dissipation of the pipe body 2 can be assisted, the excessive temperature and denaturation damage of the anti-corrosion layer 11 paint due to the hot water transportation in the pipe can be prevented, and the bump 3 structure can play a buffering and fixing role when the pipe is buried, so as to prevent the pipe displacement; the anti-corrosion layer 11 comprises a surface layer 6 and a bottom layer 7, wherein the surface layer is used as a primer, and the surface layer is used as a finishing paint by sealing through perchloroethylene coating due to light loss and pulverization of the epoxy resin paint when the epoxy resin paint is sun-cured.

Finally, it should be noted that: in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Novel sealed lining stainless steel coating composite steel pipe, including body (2), its characterized in that: the pipe body (2) comprises a protection layer (10), an anti-corrosion layer (11), a carbon steel layer (8) and a stainless steel layer (9), wherein the carbon steel layer (8) is located on the outer side of the stainless steel layer (9), the anti-corrosion layer (11) is located on the outer side of the carbon steel layer (8), the protection layer (10) is located on the outer side of the anti-corrosion layer (11), the protection layer (10) comprises a mesh layer (4), protruding points (3) are fixed at the positions of nodes of the mesh layer (4), and an anti-scraping layer (15) is arranged on the inner side of the mesh layer (4).

2. The novel sealed lined stainless steel coated composite steel pipe of claim 1, wherein: the protective layer (10) is of a net structure, and the uninterrupted sheet material is spirally wound on the outer side of the anti-corrosion layer (11).

3. The novel sealed lined stainless steel coated composite steel pipe of claim 1, wherein: and flange connection discs (1) are arranged at two ends of the pipe body (2).

4. The novel sealed lined stainless steel coated composite steel pipe of claim 1, wherein: the mesh layer (4) and the salient points (3) are made of PVC.

5. The novel sealed lined stainless steel coated composite steel pipe of claim 1, wherein: the scratch-resistant layer (15) is made of rubber.

6. The novel sealed lined stainless steel coated composite steel pipe of claim 1, wherein: the anti-corrosion layer (11) comprises a surface layer (6) and a bottom layer (7), and the surface layer (6) is sprayed on the outer side of the bottom layer (7).

7. The novel sealed lined stainless steel coated composite steel pipe of claim 6, wherein: the surface layer (6) is made of perchloroethylene coating, and the bottom layer (7) is made of epoxy resin coating.