High molecular weight and high density polyethylene (HMWHDPE) double-wall corrugated pipe

Abstract

The utility model belongs to the technical field of polyethylene double-wall corrugated pipes, and provides a high molecular weight high density polyethylene (HMWHDPE) double-wall corrugated pipe which comprises a pipeline body, and the pipeline body is composed of a first strength layer, a second strength layer, a third strength layer, a waterproof layer, a first wear-resistant layer and a second wear-resistant layer. According to the polyethylene double-wall corrugated pipe, the first strength layer, the second strength layer and the third strength layer are arranged in the pipe body, and the first strength layer, the second strength layer and the third strength layer have high strength, so that the strength of the polyethylene double-wall corrugated pipe can be improved; the first wear-resistant layer and the second wear-resistant layer are arranged in the pipeline body, and the first wear-resistant layer and the second wear-resistant layer have good wear resistance, so that the wear resistance of the polyethylene double-wall corrugated pipe can be improved, and the service life of the polyethylene double-wall corrugated pipe is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene double-wall corrugated pipes, in particular to a high molecular weight high density polyethylene (HMWHDPE) double-wall corrugated pipe. Background Art

[0002] The component of polyethylene (HMWHDPE) double-wall corrugated pipe is high-density polyethylene (HMWHDPE). This pipe is made of high-density polyethylene and is produced through three processes: pipe forming, cutting and expanding. Its inner wall is smooth and the outer wall has a ring-shaped corrugated structure. It is a new type of pipe. According to the different ring stiffness, polyethylene double-wall corrugated pipe is divided into S1 type (ring stiffness ≥4KN / ㎡) and S2 type (ring stiffness ≥8KN / ㎡).

[0003] However, most of the existing polyethylene (HMWHDPE) double-wall corrugated pipes have low strength, poor waterproofness and poor wear resistance. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high molecular weight high density polyethylene (HMWHDPE) double-wall corrugated pipe, including a pipe body, the pipe body is composed of strength layer one, strength layer two, strength layer three, a waterproof layer, wear-resistant layer one, and wear-resistant layer two, and the strength layer one, strength layer two, strength layer three, waterproof layer, wear-resistant layer one, and wear-resistant layer two are arranged in sequence in the pipe body.

[0006] As a further description of the above technical solution:

[0007] The pipe body is provided with corrugations, and the corrugations are provided in a plurality of groups, and the plurality of groups of corrugations are evenly distributed on the pipe body.

[0008] As a further description of the above technical solution:

[0009] The material of the strength layer 1 is carbon fiber, and the strength layer 2 is tightly attached to one side of the strength layer 1, and the material of the strength layer 2 is polyimide.

[0010] As a further description of the above technical solution:

[0011] The material of the strength layer three is boron fiber, and the two sides of the strength layer three are tightly attached to the strength layer two and the waterproof layer, and the material of the waterproof layer is polyurethane.

[0012] As a further description of the above technical solution:

[0013] The material of the wear-resistant layer 1 is polyethylene, and the two sides of the wear-resistant layer 1 are tightly attached to the waterproof layer and the wear-resistant layer 2, and the material of the wear-resistant layer 2 is polytetrafluoroethylene.

[0014] As a further description of the above technical solution:

[0015] The shape of the pipe body is a striped pipe.

[0016] As a further description of the above technical solution:

[0017] The strength layer 1, the strength layer 2, the strength layer 3, the waterproof layer, the wear-resistant layer 1 and the wear-resistant layer 2 are connected to each other by glue.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, strength layer 1, strength layer 2 and strength layer 3 are provided in the pipe body, and the strength layer 1, strength layer 2 and strength layer 3 have high strength, so that the strength of the polyethylene double-wall corrugated pipe can be improved. A waterproof layer is provided in the pipe body, and the waterproof layer has good waterproofness, so that the waterproofness of the polyethylene double-wall corrugated pipe can be improved. Wear-resistant layer 1 and wear-resistant layer 2 are provided in the pipe body, and the wear-resistant layer 1 and wear-resistant layer 2 have good wear resistance, so that the wear resistance of the polyethylene double-wall corrugated pipe can be improved, and the service life of the polyethylene double-wall corrugated pipe can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of a high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe proposed in the utility model Figure 1 ;

[0021] Figure 2 The utility model provides a schematic diagram of the internal structure of a high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe.

[0022] Legend:

[0023] 1. Pipeline body; 2. Strength layer one; 3. Strength layer two; 4. Strength layer three; 5. Waterproof layer; 6. Wear-resistant layer one; 7. Wear-resistant layer two; 8. Corrugation. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-Figure 2 The utility model provides an embodiment: a high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe, including a pipe body 1, the pipe body 1 is composed of a strength layer 1 2, a strength layer 2 3, a strength layer 3 4, a waterproof layer 5, a wear-resistant layer 1 6, and a wear-resistant layer 2 7. The strength layer 1 2, the strength layer 2 3, the strength layer 3 4, the waterproof layer 5, the wear-resistant layer 1 6, and the wear-resistant layer 2 7 are arranged in sequence in the pipe body 1. By arranging the strength layer 1 2, the strength layer 2 3, the strength layer 3 4 in the pipe body 1, and the strength Layer one 2, strength layer two 3, and strength layer three 4 have high strength, thereby improving the strength of the polyethylene double-wall corrugated pipe. A waterproof layer 5 is provided in the pipe body 1, and the waterproof layer 5 has excellent waterproofness, thereby improving the waterproofness of the polyethylene double-wall corrugated pipe. Wear-resistant layer one 6 and wear-resistant layer two 7 are provided in the pipe body 1, and the wear-resistant layer one 6 and wear-resistant layer two 7 have excellent wear resistance, thereby improving the wear resistance of the polyethylene double-wall corrugated pipe and improving the service life of the polyethylene double-wall corrugated pipe.

[0026] The pipe body 1 is provided with corrugations 8, and the corrugations 8 are provided with several groups. The several groups of corrugations 8 are evenly distributed on the pipe body 1. The material of the strength layer 1 2 is carbon fiber. One side of the strength layer 1 2 is tightly fitted with the strength layer 2 3. The material of the strength layer 2 3 is polyimide. The material of the strength layer 3 4 is boron fiber. The two sides of the strength layer 3 4 are tightly fitted with the strength layer 2 3 and the waterproof layer 5. The material of the waterproof layer 5 is polyurethane. The material of the wear-resistant layer 1 6 is polyethylene. The two sides of the wear-resistant layer 1 6 are tightly fitted with the waterproof layer 5 and the wear-resistant layer 2 7. The material of the wear-resistant layer 2 7 is polytetrafluoroethylene. The shape of the pipe body 1 is a striped tube. The strength layer 1 2, the strength layer 2 3, the strength layer 3 4, the waterproof layer 5, the wear-resistant layer 1 6, and the wear-resistant layer 2 7 are interconnected by glue.

[0027] Working principle: First, by arranging strength layer 1 2, strength layer 2 3, strength layer 3 4 in the pipe body 1, and the strength layer 1 2, strength layer 2 3, strength layer 3 4 have high strength, so that the strength of the polyethylene double-wall corrugated pipe can be improved. By arranging a waterproof layer 5 in the pipe body 1, and the waterproof layer 5 has good waterproof property, so that the waterproof property of the polyethylene double-wall corrugated pipe can be improved, and the rainwater erosion of the polyethylene double-wall corrugated pipe can be prevented, causing damage. By arranging wear-resistant layer 1 6 and wear-resistant layer 2 7 in the pipe body 1, and the wear-resistant layer 1 6 and wear-resistant layer 2 7 have good wear resistance, so that the wear resistance of the polyethylene double-wall corrugated pipe can be improved, and the service life of the polyethylene double-wall corrugated pipe can be improved.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe, comprising a pipe body (1), characterized in that: The pipeline body (1) is composed of a strength layer 1 (2), a strength layer 2 (3), a strength layer 3 (4), a waterproof layer (5), a wear-resistant layer 1 (6), and a wear-resistant layer 2 (7); the strength layer 1 (2), the strength layer 2 (3), the strength layer 3 (4), the waterproof layer (5), the wear-resistant layer 1 (6), and the wear-resistant layer 2 (7) are arranged in sequence in the pipeline body (1).

2. A high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe according to claim 1, characterized in that: The pipe body (1) is provided with corrugations (8), and the corrugations (8) are provided in a plurality of groups, and the plurality of groups of corrugations (8) are evenly distributed on the pipe body (1).

3. The high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe according to claim 1, characterized in that: The material of the strength layer one (2) is carbon fiber, and the strength layer two (3) is tightly attached to one side of the strength layer one (2), and the material of the strength layer two (3) is polyimide.

4. The high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe according to claim 1, characterized in that: The material of the strength layer three (4) is boron fiber, and the two sides of the strength layer three (4) are tightly attached to the strength layer two (3) and the waterproof layer (5), and the material of the waterproof layer (5) is polyurethane.

5. The high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe according to claim 1, characterized in that: The material of the wear-resistant layer 1 (6) is polyethylene, and the two sides of the wear-resistant layer 1 (6) are tightly attached to the waterproof layer (5) and the wear-resistant layer 2 (7), and the material of the wear-resistant layer 2 (7) is polytetrafluoroethylene.

6. The high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe according to claim 1, characterized in that: The pipe body (1) is in the shape of a striped tube.

7. The high molecular weight high density polyethylene (HMWHDPE) double wall corrugated pipe according to claim 1, characterized in that: The strength layer 1 (2), the strength layer 2 (3), the strength layer 3 (4), the waterproof layer (5), the wear-resistant layer 1 (6), and the wear-resistant layer 2 (7) are connected to each other by glue.

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