High-toughness PE pipe
The PE pipe designed with a multi-layer composite structure solves the problem of insufficient toughness of existing PE pipes, achieves high toughness and functional enhanced corrosion resistance, and improves the toughness and functionality of the pipe.
Patent Information
- Application Number
- CN202422093537.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-08-28
AI Technical Summary
Existing PE pipes may not be able to meet the usage requirements of different environments in urban infrastructure, industrial construction or agricultural construction due to their poor toughness, and their single structure leads to poor functionality.
It adopts a multi-layer composite structure design, including a PE outer tube, carbon fiber layer, glass fiber layer, aramid fiber layer, steel mesh layer, polypropylene layer, polystyrene layer, sound insulation cotton layer, damping layer, polytetrafluoroethylene anti-corrosion layer, epoxy resin anti-corrosion layer, quaternary ammonium salt antibacterial layer and PE inner tube. Each layer of material is fixed and installed to form a multi-layer structure to improve toughness and functionality.
The toughness and functionality of PE pipes are improved, making them able to withstand strong stretching and extrusion, reduce noise, enhance corrosion resistance, improve antibacterial properties, and meet the needs of various usage environments.
Smart Images

Figure CN223375290U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PE pipes, in particular to a high-toughness PE pipe. Background Art
[0002] PE is a thermoplastic resin made by polymerizing ethylene. Industrially, it also includes copolymers of ethylene with small amounts of α-olefins. Polyethylene is odorless, non-toxic, and waxy to the touch. It has excellent low-temperature resistance (minimum operating temperature can reach -70 to -100°C), good chemical stability, and resistance to most acids and bases. It is insoluble in common solvents at room temperature, has low water absorption, and offers excellent electrical insulation properties. PE is often used in pipe manufacturing, so high-toughness PE pipe is in demand.
[0003] Operators often use corresponding PE pipes when carrying out urban infrastructure construction, industrial construction or agricultural construction. Although existing PE pipes can achieve the purpose of construction, they may not meet the use requirements of different environments due to their poor toughness during actual use. In addition, the single structure of the pipes may lead to poor functionality. Utility Model Content
[0004] The purpose of the present utility model is to provide a high-toughness PE pipe to solve the problem raised in the above background technology that operators often use corresponding PE pipes when carrying out urban infrastructure construction, industrial construction or agricultural construction. Although the existing PE pipes can achieve the purpose of construction, they may not meet the use requirements of different environments due to their poor toughness during actual use, and the single structure of the pipe may lead to its poor functionality.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solution: a high-toughness PE pipe, comprising a PE outer pipe, a carbon fiber layer fixedly installed inside the PE outer pipe, a glass fiber layer fixedly installed inside the carbon fiber layer, an aramid fiber layer fixedly installed inside the glass fiber layer, and a steel mesh layer fixedly installed inside the aramid fiber layer.
[0006] Preferably, a polypropylene layer is fixedly installed inside the steel mesh layer, and a polystyrene layer is fixedly installed inside the polypropylene layer.
[0007] Preferably, a sound insulation cotton layer is fixedly installed inside the polystyrene layer, and a damping layer is fixedly installed inside the sound insulation cotton layer.
[0008] Preferably, a polytetrafluoroethylene anti-corrosion layer is fixedly installed inside the damping layer, and an epoxy resin anti-corrosion layer is fixedly installed inside the polytetrafluoroethylene anti-corrosion layer.
[0009] Preferably, a quaternary ammonium salt antibacterial layer is fixedly installed inside the epoxy resin anticorrosion layer, and a PE inner tube is fixedly installed inside the quaternary ammonium salt antibacterial layer.
[0010] Preferably, the shape of the PE inner tube is circular, and the material of the PE inner tube is polyethylene.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] This high-toughness PE pipe has a high toughness outer tube that can withstand strong stretching and extrusion during daily use. The carbon fiber layer, glass fiber layer and aramid fiber layer have the characteristics of high strength, high toughness and high modulus. The steel mesh layer is a rectangular grid-type steel mesh, which can further improve the toughness of the pipe. By being composed of multiple high-toughness materials, the toughness of the pipe is improved to meet the needs of various usage environments.
[0013] This high-toughness PE pipe has excellent toughness, tensile strength and impact strength in the polypropylene layer and the polystyrene layer during daily use. The sound insulation cotton layer and the damping layer can partially isolate the noise of the water flow. The polytetrafluoroethylene anti-corrosion layer and the epoxy resin anti-corrosion layer can improve the corrosion resistance of the pipe. The PE inner pipe can improve the antibacterial ability of the pipe, enriching the structure of the pipe and increasing the functionality of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the main view of the utility model;
[0015] Figure 2 It is a front sectional view of the utility model;
[0016] Figure 3 For the utility model Figure 2 A partial enlarged view of the middle part;
[0017] Figure 4 It is a side sectional view of the present utility model.
[0018] In the figure: 1. PE outer tube; 2. Carbon fiber layer; 3. Glass fiber layer; 4. Aramid fiber layer; 5. Steel mesh layer; 6. Polypropylene layer; 7. Polystyrene layer; 8. Sound insulation cotton layer; 9. Damping layer; 10. Polytetrafluoroethylene anti-corrosion layer; 11. Epoxy resin anti-corrosion layer; 12. Quaternary ammonium salt antibacterial layer; 13. PE inner tube. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] See also Figure 1-4 The utility model provides a technical solution: a high-toughness PE pipe, including a PE outer pipe 1, a carbon fiber layer 2 is fixedly installed inside the PE outer pipe 1, the carbon fiber layer 2 is mainly composed of carbon elements, has the characteristics of high temperature resistance and friction resistance, and has a fibrous appearance. Because its graphite microcrystalline structure is preferentially oriented along the fiber axis, it has high strength and toughness. A glass fiber layer 3 is fixedly installed inside the carbon fiber layer 2. The glass fiber layer 3 is an inorganic non-metallic material with excellent performance, which has the advantages of strong heat resistance, good corrosion resistance, and high mechanical strength, thereby improving the toughness of the pipe. An aramid fiber layer 4 is fixedly installed inside the glass fiber layer 3. The aramid fiber layer 4 has high strength, high toughness and high modulus. and other characteristics, thereby improving the strength of the pipe, and a steel mesh layer 5 is fixedly installed inside the aramid fiber layer 4, and the steel mesh layer 5 is a rectangular grid-type steel mesh, which can further improve the toughness of the pipe, and a polypropylene layer 6 is fixedly installed inside the steel mesh layer 5. The polypropylene layer 6 is a polymer formed by polyaddition reaction of propylene, which has high tensile strength and impact resistance, and a polystyrene layer 7 is fixedly installed inside the polypropylene layer 6. The polystyrene layer 7 refers to a polymer synthesized by free radical polyaddition reaction of styrene monomer, which has good formability, high rigidity, excellent chemical properties and electrical insulation, and low hygroscopicity. Due to the design of the polypropylene layer 6 and the polystyrene layer 7, the toughness and strength of the pipe can be further improved.
[0021] A sound insulation cotton layer 8 is fixedly installed inside the polystyrene layer 7. The sound insulation cotton layer 8 reflects sound waves through its fiber structure, effectively reducing the noise generated by the pipe when in use, and a damping layer 9 is fixedly installed inside the sound insulation cotton layer 8. The damping layer 9 is a material that converts mechanical vibration energy into heat energy and dissipates it, and is mainly used for vibration and noise control. Due to the design of the sound insulation cotton layer 8 and the damping layer 9, the propagation of noise inside the pipe can be reduced. A polytetrafluoroethylene anti-corrosion layer 10 is fixedly installed inside the damping layer 9. The polytetrafluoroethylene anti-corrosion layer 10 is a high molecular polymer obtained by polymerization of tetrafluoroethylene as a monomer. It has the characteristics of acid and alkali resistance and resistance to various organic solvents. It is almost insoluble in all solvents, which can prevent the solvent inside it from corroding the pipe during drainage, thereby increasing the strength of the pipe. Epoxy resin is fixedly installed inside the polytetrafluoroethylene anti-corrosion layer 10. The anti-corrosion layer 11, the epoxy resin anti-corrosion layer 11 is a condensation product of epichlorohydrin and bisphenol A or polyol, has excellent chemical resistance, can reduce the erosion of water sources on the pipeline, and thus ensure the service life of the pipeline. Due to the design of the polytetrafluoroethylene anti-corrosion layer 10 and the epoxy resin anti-corrosion layer 11, the corrosion resistance of the pipe can be improved. The interior of the epoxy resin anti-corrosion layer 11 is fixedly installed with a quaternary ammonium salt antibacterial layer 12. The quaternary ammonium salt antibacterial layer 12 is a compound generated by replacing the four hydrogen atoms in the ammonium ion with hydrocarbon groups. It can be used for antibacterial work on the water source inside the pipe, and the interior of the quaternary ammonium salt antibacterial layer 12 is fixedly installed with a PE inner tube 13. The shape of the PE inner tube 13 is circular, and the material of the PE inner tube 13 is polyethylene. Polyethylene is a thermoplastic resin made by polymerization reaction of ethylene monomer. It has good chemical stability and can prevent the pipe from being corroded.
[0022] Working principle: The PE outer tube 1 has high toughness and can withstand strong stretching and extrusion. The carbon fiber layer 2, the glass fiber layer 3 and the aramid fiber layer 4 have the characteristics of high strength, high toughness and high modulus. The steel mesh layer 5 is a rectangular grid steel mesh, which can further improve the toughness of the pipe. The polypropylene layer 6 and the polystyrene layer 7 have excellent toughness, tensile strength and impact strength. The sound insulation cotton layer 8 and the damping layer 9 can partially isolate the noise of the water flow. The polytetrafluoroethylene anti-corrosion layer 10 and the epoxy resin anti-corrosion layer 11 can improve the corrosion resistance of the pipeline. The PE inner tube 13 can improve the antibacterial ability of the pipeline. The pipe is made of a variety of materials, which enriches the structure of the pipe, not only improves the toughness of the pipe, but also improves the functionality of the pipe.
[0023] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-toughness PE pipe, comprising a PE outer pipe (1), characterized in that: A carbon fiber layer (2) is fixedly installed inside the PE outer tube (1), a glass fiber layer (3) is fixedly installed inside the carbon fiber layer (2), an aramid fiber layer (4) is fixedly installed inside the glass fiber layer (3), and a steel mesh layer (5) is fixedly installed inside the aramid fiber layer (4).
2. The high-toughness PE pipe according to claim 1, characterized in that: A polypropylene layer (6) is fixedly installed inside the steel mesh layer (5), and a polystyrene layer (7) is fixedly installed inside the polypropylene layer (6).
3. The high-toughness PE pipe according to claim 2, characterized in that: A sound insulation cotton layer (8) is fixedly installed inside the polystyrene layer (7), and a damping layer (9) is fixedly installed inside the sound insulation cotton layer (8).
4. The high-toughness PE pipe according to claim 3, characterized in that: A polytetrafluoroethylene anti-corrosion layer (10) is fixedly installed inside the damping layer (9), and an epoxy resin anti-corrosion layer (11) is fixedly installed inside the polytetrafluoroethylene anti-corrosion layer (10).
5. The high-toughness PE pipe according to claim 4, characterized in that: A quaternary ammonium salt antibacterial layer (12) is fixedly installed inside the epoxy resin anticorrosive layer (11), and a PE inner tube (13) is fixedly installed inside the quaternary ammonium salt antibacterial layer (12).
6. The high-toughness PE pipe according to claim 5, characterized in that: The shape of the PE inner tube (13) is circular, and the material of the PE inner tube (13) is polyethylene.