SP-TNKB wear-resistant plastic-coated composite pipe

Abstract

The utility model belongs to the technical field of plastic-coated composite pipes, and particularly relates to an SP-TNKB wear-resistant plastic-coated composite pipe which comprises a main pipe body, an anti-corrosion layer is fixedly coated on the outer wall of the main pipe body, a first wear-resistant layer is fixedly connected to the side, away from the main pipe body, of the anti-corrosion layer, a reinforcing layer is fixedly connected to the inner wall of the main pipe body, and a second wear-resistant layer is fixedly connected to the inner wall of the reinforcing layer. The side, away from the main pipe body, of the reinforcing layer is coated with an antibacterial layer, and the side, away from the reinforcing layer, of the antibacterial layer is fixedly connected with a second wear-resistant layer. Through the arrangement of the first wear-resisting layer and the second wear-resisting layer, the wear-resisting capacity of the main pipe body can be effectively improved, meanwhile, the anti-corrosion capacity of the main pipe body can be improved through the arrangement of the anti-corrosion layer, the anti-bacterial capacity of the main pipe body can be improved through the arrangement of the anti-bacterial layer, and the exterior of the main pipe body can be protected through the arrangement of the strip-shaped rubber strips. Through the arrangement of the wear-resistant structure, the wear resistance of the plastic-coated composite pipe can be effectively improved, so that the use effect of the plastic-coated composite pipe is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic-coated composite pipes, in particular to an SP-TNKB wear-resistant plastic-coated composite pipe. Background Art

[0002] Plastic-coated composite pipe is a new type of pipeline material recently developed in China. It adopts a composite structure with plastic-coated protective layers inside and outside, and a reinforced welded steel pipe or seamless pressure-bearing steel pipe in the middle. It overcomes the defects of steel pipe itself, which are easy to rust, corrode, and highly pollute, and the low strength and easy deformation of plastic pipe. It integrates the common advantages of steel pipe and plastic products, and is an environmentally friendly product promoted and used by the country.

[0003] Plastic-coated composite pipe is a steel-plastic composite pipe made by melting a layer of organic substances such as polyethylene (PE) resin, ethylene-acrylic acid copolymer (EAA), epoxy (EP) powder, non-toxic polypropylene (PP) or non-toxic polyvinyl chloride (PVC) with a thickness of 0.5-1.0mm on the inner wall of the steel pipe. It not only has the advantages of high strength, easy connection and resistance to water impact of steel pipe, but also overcomes the shortcomings of steel pipe being easily corroded, polluted and scaled when in contact with water, and the low strength and poor fire-fighting performance of plastic pipe. The design life can reach 50 years.

[0004] However, the existing plastic-coated composite pipe has a relatively simple structure, and the wear resistance of the inside and outside of the plastic-coated composite pipe is relatively poor, which affects the use effect of the plastic-coated composite pipe. Utility Model Content

[0005] The utility model aims to solve the problem of poor wear resistance inside and outside the plastic-coated composite pipe proposed in the above background technology, and proposes an SP-TNKB wear-resistant plastic-coated composite pipe.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] SP-TNKB wear-resistant plastic-coated composite pipe comprises a main body, an outer wall of which is fixedly coated with an anti-corrosion layer, a side of the anti-corrosion layer away from the main body is fixedly connected to a first wear-resistant layer, an inner wall of the main body is fixedly connected to a reinforcement layer, a side of the reinforcement layer away from the main body is coated with an antibacterial layer, and a side of the antibacterial layer away from the reinforcement layer is fixedly connected to a second wear-resistant layer.

[0008] Preferably, the anti-corrosion layer is a polyethylene resin layer.

[0009] Preferably, the first wear-resistant layer and the second wear-resistant layer are both polyolefin thermoplastic elastomer layers.

[0010] Preferably, the reinforcement layer is a polyvinyl chloride layer.

[0011] Preferably, the antibacterial layer is an inorganic nanosilver antibacterial layer.

[0012] Preferably, a plurality of strip-shaped rubber strips are fixedly connected to the outer wall of the main pipe body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The first wear-resistant layer and the second wear-resistant layer are provided to effectively improve the wear resistance of the main pipe body. The anti-corrosion layer is provided to improve the anti-corrosion resistance of the main pipe body. The antibacterial layer is provided to improve the antibacterial ability of the main pipe body. The strip rubber strip is provided to protect the outside of the main pipe body. The wear-resistant structure in the utility model can effectively improve the wear resistance of the plastic-coated composite pipe, thereby effectively improving the use effect of the plastic-coated composite pipe.

[0015] 2. The setting of polyethylene resin can improve the anti-corrosion ability of the anti-corrosion layer, the setting of polyolefin thermoplastic elastomer can improve the wear resistance of the first wear-resistant layer and the second wear-resistant layer, and the setting of inorganic nanosilver antibacterial layer can improve the antibacterial effect of the antibacterial layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the SP-TNKB wear-resistant plastic-coated composite pipe proposed by the utility model.

[0017] In the figure: 1 main body, 2 anti-corrosion layer, 3 first wear-resistant layer, 4 reinforcement layer, 5 antibacterial layer, 6 second wear-resistant layer, 7 rubber strip. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1 , SP-TNKB wear-resistant plastic-coated composite pipe, including a main body 1, a plurality of strip-shaped rubber strips 7 are fixedly connected to the outer wall of the main body 1, which are used to protect the outside of the main body 1, and an anti-corrosion layer 2 is fixedly coated on the outer wall of the main body 1, and the anti-corrosion layer 2 is a polyethylene resin layer to improve the anti-corrosion ability of the main body 1;

[0020] In this embodiment, a first wear-resistant layer 3 is fixedly connected to the side of the anti-corrosion layer away from the main body 1 to improve the wear resistance of the outer wall of the main body 1. A reinforcing layer 4 is fixedly connected to the inner wall of the main body 1. The reinforcing layer 4 is a polyvinyl chloride layer and is used to improve the oxidation resistance of the main body 1.

[0021] In this embodiment, the side of the reinforcing layer 4 away from the main pipe 1 is coated with an antibacterial layer 5, and the antibacterial layer 5 is an inorganic nano-silver antibacterial layer, which is used to enhance the antibacterial ability of the main pipe 1;

[0022] In this embodiment, the second wear-resistant layer 6 is fixedly connected to the side of the antibacterial layer 5 away from the reinforcing layer 4 . The first wear-resistant layer 3 and the second wear-resistant layer 6 are both polyolefin thermoplastic elastomer layers, which are used to improve the wear resistance of the main pipe 1 .

[0023] In this embodiment, by setting the first wear-resistant layer 3 and the second wear-resistant layer 6, the wear resistance of the main body 1 can be effectively improved. At the same time, the setting of the anti-corrosion layer 2 can improve the anti-corrosion ability of the main body 1. The setting of the antibacterial layer 5 can improve the antibacterial ability of the main body 1. The setting of the strip rubber strip 7 can protect the outside of the main body 1.

[0024] In this embodiment, by providing a wear-resistant structure, the wear resistance of the plastic-coated composite pipe can be effectively improved, thereby effectively improving the use effect of the plastic-coated composite pipe.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. SP-TNKB wear-resistant plastic-coated composite pipe, comprising a main pipe body (1), characterized in that: An anti-corrosion layer (2) is fixedly coated on the outer wall of the main pipe (1), a first wear-resistant layer (3) is fixedly connected to the side of the anti-corrosion layer away from the main pipe (1), a reinforcement layer (4) is fixedly connected to the inner wall of the main pipe (1), an antibacterial layer (5) is coated on the side of the reinforcement layer (4) away from the main pipe (1), and a second wear-resistant layer (6) is fixedly connected to the side of the antibacterial layer (5) away from the reinforcement layer (4).

2. The SP-TNKB wear-resistant plastic-coated composite pipe according to claim 1 is characterized in that: The anti-corrosion layer (2) is a polyethylene resin layer.

3. The SP-TNKB wear-resistant plastic-coated composite pipe according to claim 1 is characterized in that: The first wear-resistant layer (3) and the second wear-resistant layer (6) are both polyolefin thermoplastic elastomer layers.

4. The SP-TNKB wear-resistant plastic-coated composite pipe according to claim 1 is characterized in that: The reinforcement layer (4) is a polyvinyl chloride layer.

5. The SP-TNKB wear-resistant plastic-coated composite pipe according to claim 1 is characterized in that: The antibacterial layer (5) is an inorganic nano-silver antibacterial layer.

6. The SP-TNKB wear-resistant plastic-coated composite pipe according to claim 1 is characterized in that: A plurality of strip-shaped rubber strips (7) are fixedly connected to the outer wall of the main pipe (1).

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