CN211203170U

CN211203170U - Seamless steel pipe with excellent corrosion resistance

Info

Publication number: CN211203170U
Application number: CN201922473922.5U
Authority: CN
Inventors: 戴文俊
Original assignee: Guangzhou Borui Material Technology Co Ltd
Current assignee: Guangzhou Guoyao High Tech Materials Technology Co.,Ltd.
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a seamless steel pipe with corrosion resistance is good, including steel pipe main part, reinforcement, polytetrafluoroethylene layer, epoxy layer, sealing layer, nylon layer and glass fiber layer, the steel pipe main part is located the bottom of whole device, the steel pipe main part extexine is equipped with anticorrosive coating, the anticorrosive coating outside is equipped with the polytetrafluoroethylene layer, the polytetrafluoroethylene layer outside is equipped with the glass fiber layer, epoxy layer one side is equipped with the reinforcement. When specifically using, the utility model relates to a seamless steel pipe with corrosion resistance is good, this device prevents through having set up the polytetrafluoroethylene layer on the steel pipe top layer that the steel pipe from carrying on anticorrosive, buries and inlays on the outer wall on polytetrafluoroethylene layer and have the glass fiber layer, makes 3 pastes of polytetrafluoroethylene layer closely firmly and is linked together with the steel pipe through the glass fiber layer to make the steel pipe reach corrosion-resistant, anti negative pressure, high temperature resistance, the pipeline is unblocked, the purpose of life extension.

Description

Seamless steel pipe with excellent corrosion resistance

Technical Field

The utility model relates to a steel pipe technical field particularly, relates to a seamless steel pipe with corrosion resistance is good.

Background

In the existing life, along with the rapid development of industry, steel pipes are widely used, petroleum, mining and municipal construction need a large amount of steel pipe building materials, higher requirements are put forward on the processing of the steel pipes, in the application process of the steel pipes, the steel pipes are in a complex environment, and the medium flowing in the steel pipes contains corrosive elements, so that the steel pipes can be corroded, the service life of the steel pipes is further influenced, the corrosion of the inner walls of the steel pipes can cause the elements such as iron, sulfur and phosphorus contained in the steel pipes to enter circulation objects, the quality of the circulation objects is adversely affected, and the steel pipes are devices for conveying gas, liquid or fluid with solid particles. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, or the like, and then flows from a high-pressure portion to a low-pressure portion of a steel pipe, or is transported by the pressure of the fluid itself or gravity. The steel pipe has a wide application range, is mainly used in water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices, and the prior art has the technical scheme that the inner surface and the outer surface of the steel pipe are coated with epoxy resin coatings to increase the corrosion resistance of the steel pipe.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seamless steel pipe with corrosion resistance is good to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seamless steel pipe with corrosion resistance is good, includes steel pipe main part, reinforcement, polytetrafluoroethylene layer, epoxy layer, sealing layer, nylon layer and glass fiber layer, the steel pipe main part is located the bottom of whole device, steel pipe main part extexine is equipped with anticorrosive coating, the anticorrosive coating outside is equipped with the polytetrafluoroethylene layer, the polytetrafluoroethylene layer outside is equipped with the glass fiber layer, steel pipe main part inboard is equipped with the nylon layer, nylon layer one side is equipped with the epoxy layer, epoxy layer one side is equipped with the reinforcement.

Furthermore, the sealing layer is arranged on one side of the reinforcing piece, and the sealing layer is connected with the reinforcing piece in a seamless mode.

Furthermore, the outer side of the polytetrafluoroethylene layer and the glass fiber layer are embedded into a whole.

Further, the thickness of polytetrafluoroethylene layer is 0.25mm, the thickness of glass fiber layer is the same with the thickness of polytetrafluoroethylene layer.

Further, the thickness of epoxy layer is 0.15mm, the thickness of nylon layer is 0.15mm, the thickness on epoxy layer is the same with the thickness on nylon layer.

Further, the thickness of anticorrosive coating is 0.20mm, the thickness of sealing layer is 0.10 mm.

Further, the reinforcing piece is welded with the steel pipe main body.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a seamless steel pipe with corrosion resistance is good, this device prevents through having set up the polytetrafluoroethylene layer on the steel pipe top layer that the steel pipe from carrying on anticorrosive, it has the glass fiber layer to bury and inlay on the outer wall on polytetrafluoroethylene layer, it is firmly linked into an organic whole with the steel pipe to make the steel pipe reach corrosion-resistant through the glass fiber layer subsides of polytetrafluoroethylene layer, anti negative pressure, high temperature resistance, the pipeline is unblocked, the purpose of life extension, the nylon layer has been set up, the wearability of steel pipe has been strengthened and the steel pipe is prevented to age fast.

(2) The utility model discloses set up the reinforcement, come the inner structure of firm steel pipe to this security performance that strengthens the steel pipe is equipped with the sealing layer between reinforcement and steel pipe, prevents to appear the gap in the steel pipe, guarantees the seamless nature of steel pipe with this.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in 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 creative efforts.

FIG. 1 is a schematic structural view of a seamless steel pipe with excellent corrosion resistance according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the inside of a seamless steel pipe having excellent corrosion resistance according to an embodiment of the present invention.

Reference numerals:

1. a steel pipe body; 2. a reinforcement; 3. a polytetrafluoroethylene layer; 4. an anti-corrosion coating; 5. an epoxy resin layer; 6. a sealing layer; 7. a nylon layer; 8. a glass fiber layer.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

please refer to fig. 1-2, according to the embodiment of the present invention, a seamless steel pipe with excellent corrosion resistance comprises a steel pipe main body 1, a reinforcement 2, a teflon layer 3, an epoxy resin layer 5, a sealing layer 6, a nylon layer 7 and a glass fiber layer 8, wherein the steel pipe main body 1 is located at the bottom end of the whole device, an outer surface of the steel pipe main body 1 is provided with an anti-corrosion coating 4, the outer side of the anti-corrosion coating 4 is provided with the teflon layer 3, the outer side of the teflon layer 3 is provided with the glass fiber layer 8, the inner side of the steel pipe main body 1 is provided with the nylon layer 7, one side of the nylon layer 7 is provided with the epoxy resin layer 5, and one side of the epoxy resin layer 5 is provided with the.

By the above scheme of the utility model, the sealing layer 6 is arranged on one side of the reinforcement 2, the main function of the sealing layer 6 is to ensure the seamless property between the reinforcement 2 and the steel tube main body 1, the sealing layer 6 is connected with the reinforcing piece 2 in a seamless mode, the outer side of the polytetrafluoroethylene layer 3 is embedded with the glass fiber layer 8 into a whole, the polytetrafluoroethylene layer 3 mainly serves to enhance the corrosion resistance of the steel pipe main body 1, the thickness of the polytetrafluoroethylene layer 3 is 0.25mm, the thickness of the glass fiber layer 8 is 0.25mm, the thickness of the glass fiber layer 8 is the same as that of the polytetrafluoroethylene layer 3, the thickness of the epoxy resin layer 5 is 0.15mm, the thickness of the nylon layer 7 is 0.15mm, the thickness of the epoxy resin layer 5 is the same as that of the nylon layer 7, the thickness of anticorrosive coating 4 is 0.20mm, the thickness of sealing layer 6 is 0.10mm, reinforcement 2 and steel pipe main part 1 welding.

When specifically using, the utility model relates to a seamless steel pipe with corrosion resistance is good, this device prevents that the steel pipe from carrying on anticorrosive through having set up polytetrafluoroethylene layer 3 on the steel pipe top layer, it has glass fiber layer 8 to bury and inlay on polytetrafluoroethylene layer 3's outer wall, it is firmly even as an organic whole with the steel pipe to make polytetrafluoroethylene layer 3 paste closely through glass fiber layer 8, thereby it is corrosion-resistant to make the steel pipe reach, anti negative pressure, high temperature resistance, the pipeline is unblocked, the purpose of life extension, nylon layer 7 has been set up, the wearability of steel pipe has been strengthened and the steel pipe is prevented from ageing fast, reinforcement 2 has been set up, the inner structure of steel pipe is stabilized, with this security performance who strengthens the steel pipe, be equipped with sealing layer 6 between reinforcement 2 and steel pipe, prevent the gap from appearing in the steel pipe, guarantee the jointless quality nature of steel pipe with this.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a seamless steel pipe with corrosion resistance is good, its characterized in that, includes steel pipe main part (1), reinforcement (2), polytetrafluoroethylene layer (3), epoxy layer (5), sealing layer (6), nylon layer (7) and glass fiber layer (8), steel pipe main part (1) is located the bottom of whole device, steel pipe main part (1) extexine is equipped with anticorrosive coating (4), anticorrosive coating (4) outside is equipped with polytetrafluoroethylene layer (3), polytetrafluoroethylene layer (3) outside is equipped with glass fiber layer (8), steel pipe main part (1) inboard is equipped with nylon layer (7), nylon layer (7) one side is equipped with epoxy layer (5), epoxy layer (5) one side is equipped with reinforcement (2).

2. The seamless steel pipe excellent in corrosion resistance according to claim 1, wherein the sealant (6) is provided on the side of the reinforcing member (2), and the sealant (6) is joined to the reinforcing member (2) without a seam.

3. The seamless steel pipe having excellent corrosion resistance according to claim 1, wherein the polytetrafluoroethylene layer (3) is inlaid integrally with the glass fiber layer (8) on the outer side.

4. The seamless steel pipe having excellent corrosion resistance according to claim 1, wherein the polytetrafluoroethylene layer (3) has a thickness of 0.25mm, the glass fiber layer (8) has a thickness of 0.25mm, and the glass fiber layer (8) has the same thickness as the polytetrafluoroethylene layer (3).

5. The seamless steel pipe having excellent corrosion resistance according to claim 1, wherein the thickness of the epoxy resin layer (5) is 0.15mm, the thickness of the nylon layer (7) is 0.15mm, and the thickness of the epoxy resin layer (5) is the same as that of the nylon layer (7).

6. The seamless steel pipe excellent in corrosion resistance according to claim 1, wherein the thickness of the corrosion-resistant coating layer (4) is 0.20mm, and the thickness of the seal layer (6) is 0.10 mm.

7. The seamless steel pipe excellent in corrosion resistance according to claim 1, wherein the reinforcing member (2) is welded to the steel pipe body (1).