Corrosion-resistant polyethylene pipe

Abstract

The utility model discloses a corrosion-resistant polyethylene pipe, which belongs to the technical field of polyethylene pipes and comprises a polyethylene pipe body, a lining pipe is arranged in the polyethylene pipe body, a buffer layer is arranged between the lining pipe and the polyethylene pipe body, and a corrosion-resistant bottom layer is arranged on the inner wall of the lining pipe. The inner wall of the polyethylene pipe body can be protected by arranging the lining pipe in the polyethylene pipe body, and meanwhile, the buffer layer is arranged between the lining pipe and the inner wall of the polyethylene pipe body, so that the impact resistance of a pipeline can be improved, and the damping effect is achieved; meanwhile, the corrosion-resistant bottom layer, the corrosion-resistant middle layer and the corrosion-resistant surface layer are arranged on the inner wall of the lining pipe to achieve the corrosion-resistant effect, corrosion caused by corrosive liquid conveyed by a pipeline to the inner wall of the lining pipe is avoided, and the polyethylene pipe body can be protected by arranging the surface pipe on the outer side of the polyethylene pipe body.

Description

Technical Field

[0001] This utility model belongs to the field of polyethylene pipe technology, and specifically relates to a corrosion-resistant polyethylene pipe. Background Technology

[0002] Polyethylene pipes are pipes made of polyethylene, a highly crystalline, non-polar thermoplastic resin.

[0003] The existing technology has the following problems: the existing polyethylene pipe has low corrosion resistance, and when the polyethylene pipe is used to transport corrosive liquids, it is easy to cause corrosion to the inner wall of the polyethylene pipe. At the same time, the existing polyethylene pipe has poor sound insulation and heat insulation effects, and its practicality is low. Utility Model Content

[0004] To address the problems mentioned in the background section, this utility model provides a corrosion-resistant polyethylene pipe, which has the advantage of good corrosion resistance.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a corrosion-resistant polyethylene pipe, comprising a polyethylene pipe body, an inner liner pipe provided inside the polyethylene pipe body, a buffer layer provided between the inner liner pipe and the polyethylene pipe body, a corrosion-resistant bottom layer provided on the inner wall of the inner liner pipe, a corrosion-resistant top layer provided on one side of the corrosion-resistant bottom layer, and a corrosion-resistant middle layer provided between the corrosion-resistant top layer and the corrosion-resistant bottom layer.

[0006] Preferably, a face pipe is provided on the outside of the polyethylene pipe body, a sound insulation layer is provided between the face pipe and the polyethylene pipe body, and a heat insulation layer is provided between the sound insulation layer and the face pipe.

[0007] Preferably, the surface of the tube is provided with an anti-ultraviolet layer, and the surface of the anti-ultraviolet layer is provided with a wear-resistant layer.

[0008] Preferably, the corrosion-resistant top layer is an epoxy zinc yellow coating, the corrosion-resistant middle layer is an epoxy glass flake coating, and the corrosion-resistant bottom layer is a fluorocarbon coating.

[0009] Preferably, the sound insulation layer is made of sound insulation cotton, and the heat insulation layer is made of glass wool.

[0010] Preferably, the UV-resistant layer is a polysiloxane coating, and the wear-resistant layer is an alumina ceramic coating.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model protects the inner wall of the polyethylene pipe body by setting an inner liner inside the polyethylene pipe body. At the same time, the buffer layer between the inner liner and the inner wall of the polyethylene pipe body can improve the impact resistance of the pipe and play a vibration reduction role. Furthermore, the corrosion-resistant bottom layer, corrosion-resistant middle layer and corrosion-resistant top layer are set on the inner wall of the inner liner to play a corrosion-resistant role and prevent the inner wall of the inner liner from being corroded by the pipeline transporting corrosive liquids.

[0013] 2. This utility model protects the polyethylene pipe body by setting a face tube on the outside of the polyethylene pipe body. At the same time, the sound insulation layer between the face tube and the polyethylene pipe body can isolate the noise of liquid transportation. Meanwhile, the heat insulation layer prevents the heat from sunlight from being transferred to the polyethylene pipe body, thus preventing the polyethylene pipe body temperature from rising and improving the service life of the polyethylene pipe body. The anti-ultraviolet layer on the surface of the face tube prevents ultraviolet rays from aging the face tube, and the wear-resistant layer improves the wear resistance of the face tube. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model;

[0016] Figure 3 This utility model Figure 2 Enlarged view of point A;

[0017] In the diagram: 1. Polyethylene pipe body; 2. Inner lining pipe; 3. Buffer layer; 4. Corrosion-resistant bottom layer; 5. Corrosion-resistant middle layer; 6. Corrosion-resistant top layer; 7. Top pipe; 8. Sound insulation layer; 9. Heat insulation layer; 10. UV-resistant layer; 11. Wear-resistant layer. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-3 The present invention provides the following technical solution: a corrosion-resistant polyethylene pipe, comprising a polyethylene pipe body 1, an inner liner 2 inside the polyethylene pipe body 1, a buffer layer 3 between the inner liner 2 and the polyethylene pipe body 1, a corrosion-resistant bottom layer 4 on the inner wall of the inner liner 2, a corrosion-resistant surface layer 6 on one side of the corrosion-resistant bottom layer 4, and a corrosion-resistant middle layer 5 between the corrosion-resistant surface layer 6 and the corrosion-resistant bottom layer 4.

[0020] Specifically, a face pipe 7 is provided on the outside of the polyethylene pipe body 1, a sound insulation layer 8 is provided between the face pipe 7 and the polyethylene pipe body 1, and a heat insulation layer 9 is provided between the sound insulation layer 8 and the face pipe 7.

[0021] By adopting the above technical solution, the face pipe 7 installed on the outside of the polyethylene pipe body 1 can protect the polyethylene pipe body 1. At the same time, the sound insulation layer 8 installed between the face pipe 7 and the polyethylene pipe body 1 can isolate the noise of liquid transportation. Meanwhile, the heat insulation layer 9 prevents the heat from sunlight from being transferred to the polyethylene pipe body 1, which would cause the temperature of the polyethylene pipe body 1 to rise, thereby improving the service life of the polyethylene pipe body 1.

[0022] Specifically, the surface of the tube 7 is provided with an anti-ultraviolet layer 10, and the surface of the anti-ultraviolet layer 10 is provided with a wear-resistant layer 11.

[0023] By adopting the above technical solution, an anti-ultraviolet layer 10 is provided on the surface of the tube 7 to prevent ultraviolet rays from causing the tube 7 to age, and a wear-resistant layer 11 is provided to improve the wear resistance of the tube 7.

[0024] Specifically, the corrosion-resistant top layer 6 is an epoxy zinc yellow coating, the corrosion-resistant middle layer 5 is an epoxy glass flake coating, and the corrosion-resistant bottom layer 4 is a fluorocarbon coating.

[0025] By adopting the above technical solution, the corrosion-resistant surface layer 6 is an epoxy zinc yellow coating, the corrosion-resistant middle layer 5 is an epoxy glass flake coating, and the corrosion-resistant bottom layer 4 is a fluorocarbon coating, which provides better corrosion protection for the inner wall of the inner liner pipe 2.

[0026] Specifically, the sound insulation layer 8 is made of sound insulation cotton, and the heat insulation layer 9 is made of glass wool.

[0027] By adopting the above technical solutions, the sound insulation cotton material has a better sound insulation effect, and the glass wool material has a better heat insulation effect.

[0028] Specifically, the UV-resistant layer 10 is a polysiloxane coating, and the wear-resistant layer 11 is an alumina ceramic coating.

[0029] By adopting the above technical solutions, the polysiloxane coating has better UV resistance and the alumina ceramic coating has better wear resistance.

[0030] The working principle and usage process of this utility model are as follows: When using corrosion-resistant polyethylene pipes, the device is installed in a suitable position. By setting an inner liner 2 inside the polyethylene pipe body 1, the inner wall of the polyethylene pipe body 1 can be protected. At the same time, a buffer layer 3 is set between the inner liner 2 and the inner wall of the polyethylene pipe body 1 to improve the impact resistance of the pipe and achieve a vibration reduction effect. Meanwhile, a corrosion-resistant bottom layer 4, a corrosion-resistant middle layer 5, and a corrosion-resistant top layer 6 are set on the inner wall of the inner liner 2 to achieve a corrosion-resistant effect and prevent the inner wall of the inner liner 2 from being corroded by the pipeline transporting corrosive liquids. A face pipe 7 is set on the outside of the polyethylene pipe body 1 to protect the polyethylene pipe body 1. At the same time, a sound insulation layer 8 is set between the face pipe 7 and the polyethylene pipe body 1 to isolate the noise of liquid transportation. Meanwhile, a heat insulation layer 9 prevents the transfer of light and heat to the polyethylene pipe body 1, which would cause the temperature of the polyethylene pipe body 1 to rise and improve the service life of the polyethylene pipe body 1. An anti-ultraviolet layer 10 is set on the surface of the face pipe 7 to prevent ultraviolet rays from causing the face pipe 7 to age. At the same time, a wear-resistant layer 11 is set to improve the wear resistance of the face pipe 7.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistant polyethylene pipe comprising a polyethylene pipe body (1), characterized by: The polyethylene pipe body (1) is internally provided with a lining pipe (2), the lining pipe (2) and the polyethylene pipe body (1) are provided with a buffer layer (3), the inner wall of the lining pipe (2) is provided with a corrosion-resistant bottom layer (4), one side of the corrosion-resistant bottom layer (4) is provided with a corrosion-resistant surface layer (6), and the corrosion-resistant surface layer (6) and the corrosion-resistant bottom layer (4) are provided with a corrosion-resistant middle layer (5).

2. A corrosion resistant polyethylene pipe according to claim 1, characterized in that: The outer side of the polyethylene pipe body (1) is provided with a surface pipe (7), the surface pipe (7) and the polyethylene pipe body (1) are provided with a sound insulation layer (8), and the sound insulation layer (8) and the surface pipe (7) are provided with a heat insulation layer (9).

3. A corrosion resistant polyethylene pipe according to claim 2, characterized in that: The surface of the surface pipe (7) is provided with an anti-ultraviolet layer (10), and the surface of the anti-ultraviolet layer (10) is provided with a wear-resistant layer (11).

4. The corrosion resistant polyethylene pipe of claim 1, wherein: The corrosion-resistant surface layer (6) is an epoxy zinc yellow coating layer, the corrosion-resistant middle layer (5) is an epoxy glass flake coating layer, and the corrosion-resistant bottom layer (4) is a fluorocarbon coating layer.

5. A corrosion resistant polyethylene pipe according to claim 2, characterized in that: The sound insulation layer (8) is made of sound insulation cotton material, and the heat insulation layer (9) is made of glass cotton material.

6. A corrosion resistant polyethylene pipe according to claim 3, characterized in that: The anti-ultraviolet layer (10) is a polysiloxane coating layer, and the wear-resistant layer (11) is an alumina ceramic coating layer.

Images