Corrosion-resistant PPR pipe

Abstract

The utility model discloses a corrosion-resistant PPR pipe which comprises a water pipe base body, a blocking layer is arranged on the surface of the water pipe base body, a supporting structure is arranged on the surface of the blocking layer, a waterproof layer is arranged on the surface of the supporting structure, and a protective layer is arranged on the surface of the waterproof layer. The blocking layer comprises an aluminum foil blocking film wound on the surface of the water pipe base body. By arranging the blocking layer, water vapor in the water pipe base body can be blocked, meanwhile, the phenomenon of leakage of the cracked water pipe base body can be prevented, the supporting structure, the waterproof layer and the protective layer can greatly reduce the contact area between the water pipe base body and the external environment, corrosion of the external environment is reduced, and the service life of the water pipe is prolonged. According to the PPR pipe, the structural functionality of an existing PPR pipe can be improved, the single-layer PPR plastic is assisted in blocking the external environment, the situation that the overall weight of the PPR pipe is greatly improved due to metal materials is prevented, and the PPR pipe can meet the installation requirements of different suspended environments.

Description

Technical Field

[0001] The utility model relates to the technical field of PPR pipes, in particular to a corrosion-resistant PPR pipe. Background Art

[0002] PPR pipe, also known as type III polypropylene pipe, is a pipe made of random copolymer polypropylene as raw material, mixed with appropriate amounts of antioxidants, nucleating agents, etc., and then pressed through processes such as cooling. PPR pipe has a series of advantages, such as hygiene and non-toxicity, corrosion resistance, no scaling, high temperature resistance, and high pressure resistance. PPR pipe has a wide range of applications, including household water, industrial water, agricultural irrigation, construction water and other fields such as shipbuilding industry, medical facilities and food processing. In the field of household water, PPR pipe can be used for the connection of tap water pipes, water heaters, toilets, washing machines and other equipment.

[0003] For example, the patent number published on the China Patent Network is: 201920952899.5, and the patent name is: Reinforced PPR pipe, including an outer protective layer and a PPR pipe body, characterized in that: the outer protective layer is coated on the outside of the PPR pipe body, a stainless steel reinforcement layer is provided between the outer protective layer and the PPR pipe body, the outer side of the stainless steel reinforcement layer is uniformly filled with reinforcing ribs, an antibacterial layer is provided on the inner side of the PPR pipe body, and an anti-oxidation layer is provided on the outer side of the outer protective layer. The antibacterial layer, PPR pipe body, stainless steel reinforcement layer, outer protective layer and anti-oxidation layer arranged in sequence in the utility model improve the rigidity and impact resistance of the PPR pipe and extend its service life.

[0004] However, the structure of existing PPR pipes is relatively simple, mainly using a single layer of PPR plastic and metal materials to block the external environment. The metal material will cause the overall weight of the PPR pipe to increase significantly, and it cannot meet the installation requirements of different suspended environments.

[0005] Therefore, it is necessary to redesign the corrosion-resistant PPR pipe. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present utility model is to provide a corrosion-resistant PPR pipe, which has the advantage of improving the corrosion resistance effect, and solves the problem that the structure of the existing PPR pipe is relatively simple, and the external environment is mainly blocked by a single layer of PPR plastic and metal materials. The metal material will cause the overall weight of the PPR pipe to increase significantly, and it cannot meet the installation requirements of different suspended environments.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant PPR pipe, comprising a water pipe substrate;

[0008] A barrier layer is arranged on the surface of the water pipe substrate, a support structure is arranged on the surface of the barrier layer, a waterproof layer is arranged on the surface of the support structure, and a protective layer is arranged on the surface of the waterproof layer.

[0009] As a preferred embodiment of the present invention, the barrier layer comprises an aluminum foil barrier film wound on the surface of the water pipe substrate, the material of the aluminum foil barrier film is metallic aluminum, and a PET barrier film is wound on the surface of the aluminum foil barrier film.

[0010] As a preferred embodiment of the utility model, the support structure includes a nano coil fixedly connected to the outer surface of the PET barrier film, the nano coil has an inner cavity, the inner cavity has a support plate fixedly connected thereto, and the support plates are multiple and evenly arranged around.

[0011] As a preferred embodiment of the utility model, the waterproof layer comprises a fiber fabric wound on the surface of the nano coiled material, and the surface of the fiber fabric is wound with a polymer waterproof coiled material.

[0012] As a preferred embodiment of the utility model, the protective layer includes an outer jacket sleeved on the surface of the polymer waterproof membrane, the outer jacket is made of PPR material, the inner surface of the outer jacket is fixedly connected with an adhesive layer, and the adhesive layer is adhered to the surface of the polymer waterproof membrane.

[0013] As a preferred embodiment of the present invention, the inner cavity is filled with a bearing tube, the bearing tube is elastic, and the bearing tube is located on the inner side of the support plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model can block the water vapor inside the water pipe matrix by setting a barrier layer, and at the same time prevent the cracked water pipe matrix from leaking. The supporting structure, waterproof layer and protective layer can greatly reduce the contact area between the water pipe matrix and the external environment, and reduce external environmental corrosion. The utility model can improve the structural functionality of the existing PPR pipe, assist the single-layer PPR plastic to block the external environment, and prevent the metal material from significantly increasing the overall weight of the PPR pipe, so that it can meet the installation requirements of different suspended environments.

[0016] 2. The utility model shields the water pipe substrate through the surface aluminum foil barrier film and the PET barrier film, so that it has excellent moisture-proof, oxygen-proof, odor-proof and fresh-keeping effects, and has good corrosion resistance and moisturizing properties. The nano coil on the surface can use its own elastic force for support to reduce the impact of external vibration and collision on it.

[0017] 3. The nano coiled material on the surface of the utility model can use its own elastic force for support, thereby reducing the impact of external vibration and collision on it.

[0018] 4. The utility model provides fiber fabrics and polymer waterproof coiled materials to make the water pipe matrix have good water resistance, temperature stability and atmospheric stability, and possess necessary mechanical strength, elongation, flexibility and anti-fracture ability.

[0019] 5. The utility model can improve the external structural strength of the water pipe matrix and avoid excessive extrusion by providing the outer jacket and the adhesive layer.

[0020] 6. The utility model can improve the supporting effect of the nano coil by providing a bearing tube, so that the nano coil has an elastic reset effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0023] Figure 3 It is a schematic cross-sectional view of the local structure of the utility model.

[0024] In the figure: 1. water pipe matrix; 2. barrier layer; 3. support structure; 4. waterproof layer; 5. protective layer; 6. aluminum foil barrier film; 7. PET barrier film; 8. nano coil; 9. inner cavity; 10. support plate; 11. fiber fabric; 12. polymer waterproof coil; 13. outer jacket; 14. adhesive layer; 15. bearing pipe. DETAILED DESCRIPTION

[0025] 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.

[0026] like Figures 1 to 3 As shown, the utility model provides a corrosion-resistant PPR pipe, comprising a water pipe substrate 1;

[0027] A barrier layer 2 is arranged on the surface of the water pipe substrate 1 , a support structure 3 is arranged on the surface of the barrier layer 2 , a waterproof layer 4 is arranged on the surface of the support structure 3 , and a protective layer 5 is arranged on the surface of the waterproof layer 4 .

[0028] refer to Figure 3 The barrier layer 2 includes an aluminum foil barrier film 6 wound on the surface of the water pipe substrate 1. The material of the aluminum foil barrier film 6 is metal aluminum, and a PET barrier film 7 is wound on the surface of the aluminum foil barrier film 6.

[0029] As a technical optimization scheme of the utility model, the water pipe substrate 1 is shielded by the surface aluminum foil barrier film 6 and the PET barrier film 7, so that it has excellent moisture-proof, oxygen-proof, odor-proof and fresh-keeping effects, and has good corrosion resistance and moisturizing properties. The surface nano coil 8 can use its own elastic force for support to reduce the impact of external vibration and collision on it.

[0030] refer to Figure 3 The support structure 3 includes a nano coil 8 fixedly connected to the outer surface of the PET barrier film 7, an inner cavity 9 is provided inside the nano coil 8, a support plate 10 is fixedly connected inside the inner cavity 9, and the number of the support plates 10 is several and evenly arranged around.

[0031] As a technical optimization solution of the utility model, the nano coiled material 8 on the surface can use its own elastic force to provide support, thereby reducing the impact of external vibration and collision on it.

[0032] refer to Figure 3 The waterproof layer 4 includes a fiber fabric 11 wound on the surface of the nano coiled material 8, and a polymer waterproof coiled material 12 is wound on the surface of the fiber fabric 11.

[0033] As a technical optimization scheme of the utility model, by arranging the fiber fabric 11 and the polymer waterproof coiled material 12, the water pipe substrate 1 has good water resistance, temperature stability and atmospheric stability, and has the necessary mechanical strength, elongation, flexibility and anti-fracture ability.

[0034] refer to Figure 3 The protective layer 5 includes a jacket 13 which is sleeved on the surface of the polymer waterproofing membrane 12 . The jacket 13 is made of PPR material. An adhesive layer 14 is fixedly connected to the inner surface of the jacket 13 . The adhesive layer 14 is adhered to the surface of the polymer waterproofing membrane 12 .

[0035] As a technical optimization solution of the present invention, by providing the outer jacket 13 and the adhesive layer 14, the external structural strength of the water pipe base 1 can be improved to avoid excessive extrusion.

[0036] refer to Figure 3 The inner cavity 9 is filled with a supporting tube 15 . The supporting tube 15 is elastic and is located on the inner side of the supporting plate 10 .

[0037] As a technical optimization solution of the present invention, by providing the supporting tube 15, the supporting effect of the nano coil 8 can be improved, so that it has the effect of elastic reset.

[0038] The working principle and use process of the utility model: when in use, the water pipe base 1 is shielded by the surface aluminum foil barrier film 6 and the PET barrier film 7, so that it has excellent moisture-proof, oxygen-proof, odor-proof and fresh-keeping effects, and has good corrosion resistance and moisturizing properties. The surface nano coil 8 can use its own elastic force for support to reduce the impact of external vibration and collision on it. By arranging the fiber fabric 11 and the polymer waterproof coil 12, the water pipe base 1 has good water resistance, temperature stability and atmospheric stability, and has the necessary mechanical strength, elongation, flexibility and fracture resistance. By arranging the outer jacket 13 and the adhesive layer 14, the external structural strength of the water pipe base 1 can be improved to avoid excessive extrusion.

[0039] To sum up: the corrosion-resistant PPR pipe, by setting the barrier layer 2, can block the water vapor inside the water pipe base 1, and at the same time prevent the cracked water pipe base 1 from leaking. The supporting structure 3, the waterproof layer 4 and the protective layer 5 can greatly reduce the contact area between the water pipe base 1 and the external environment, and reduce external environmental corrosion. The utility model can improve the structural functionality of the existing PPR pipe, assist the single-layer PPR plastic to block the external environment, and prevent the metal material from causing a significant increase in the overall weight of the PPR pipe, so that it can meet the installation requirements of different suspended environments.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant PPR pipe, comprising a water pipe substrate (1); Features: The surface of the water pipe substrate (1) is provided with a barrier layer (2), the surface of the barrier layer (2) is provided with a support structure (3), the surface of the support structure (3) is provided with a waterproof layer (4), and the surface of the waterproof layer (4) is provided with a protective layer (5).

2. The corrosion-resistant PPR pipe according to claim 1, characterized in that: The barrier layer (2) comprises an aluminum foil barrier film (6) wound on the surface of the water pipe substrate (1); the material of the aluminum foil barrier film (6) is metal aluminum; and a PET barrier film (7) is wound on the surface of the aluminum foil barrier film (6).

3. The corrosion-resistant PPR pipe according to claim 2, characterized in that: The support structure (3) comprises a nano coil (8) fixedly connected to the outer surface of a PET barrier film (7), an inner cavity (9) is provided inside the nano coil (8), a support plate (10) is fixedly connected inside the inner cavity (9), and the number of the support plates (10) is several and they are evenly arranged around.

4. The corrosion-resistant PPR pipe according to claim 3, characterized in that: The waterproof layer (4) comprises a fiber fabric (11) wound on the surface of a nano coiled material (8), and a polymer waterproof coiled material (12) is wound on the surface of the fiber fabric (11).

5. The corrosion-resistant PPR pipe according to claim 4, characterized in that: The protective layer (5) comprises an outer jacket (13) which is sleeved on the surface of the polymer waterproof coiled material (12); the outer jacket (13) is made of PPR material; an adhesive layer (14) is fixedly connected to the inner surface of the outer jacket (13); and the adhesive layer (14) is adhered to the surface of the polymer waterproof coiled material (12).

6. The corrosion-resistant PPR pipe according to claim 3, characterized in that: The inner cavity (9) is filled with a bearing tube (15), the bearing tube (15) is elastic, and the bearing tube (15) is located on the inner side of the support plate (10).

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