CN216715452U - Wear-resisting type PP-R feed pipe - Google Patents
Wear-resisting type PP-R feed pipe Download PDFInfo
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- CN216715452U CN216715452U CN202122670046.2U CN202122670046U CN216715452U CN 216715452 U CN216715452 U CN 216715452U CN 202122670046 U CN202122670046 U CN 202122670046U CN 216715452 U CN216715452 U CN 216715452U
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Abstract
The wear-resistant PP-R water supply pipe comprises an inner pipe, wherein a chemical-resistant layer is bonded on the inner side of the inner pipe, a heat-resistant insulating layer is bonded on the outer side of the inner pipe, an anti-aging layer is bonded on the outer side of the heat-resistant insulating layer, and a wear-resistant layer is bonded on the outer side of the anti-aging layer. The water supply pipe has the advantages that the wear-resistant layer is arranged, so that the water supply pipe has super wear resistance, electric insulation, toughness and chemical stability, the anti-aging performance of the water supply pipe is improved through the anti-aging layer, the cracking phenomenon of the water supply pipe is reduced, the water supply pipe has excellent temperature resistance and heat insulation performance through the heat-resistant heat-insulation layer, the chemical-resistant layer arranged in the water supply pipe has acid resistance, alkali resistance and organic solvent resistance, the water supply pipe can resist corrosion of various media, and the service life of the water supply pipe is effectively prolonged.
Description
Technical Field
The utility model belongs to the field of PP-R water supply pipes, and particularly relates to an abrasion-resistant PP-R water supply pipe.
Background
The PP-R pipe is also called a tripropylene polypropylene pipe, a polypropylene random copolymer pipe or a PPR pipe, and is a pipe material using polypropylene random copolymer as a raw material. Compared with the traditional cast iron pipe, galvanized steel pipe, cement pipe and other pipelines, the PPR pipe has the advantages of energy conservation, material saving, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, no scaling, simple and convenient construction and maintenance, long service life and the like, and is widely applied to the building industry, municipal administration, industry and agricultural field such as building water supply and drainage, urban and rural water supply and drainage, urban gas, electric power and optical cable sheaths, industrial fluid delivery, agricultural irrigation and the like.
However, the existing PP-R water supply pipe has poor wear resistance and low strength, has general ageing resistance, is easy to cause wear and tear in long-term use, reduces the service life, and has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wear-resistant PP-R water supply pipe to solve the technical problems of non-wear resistance, low anti-aging performance and poor temperature resistance and heat preservation performance of the PP-R pipe.
In order to realize the purpose, the specific technical scheme of the wear-resistant PP-R water supply pipe is as follows:
the wear-resistant PP-R water supply pipe comprises an inner pipe, wherein a chemical-resistant layer is bonded on the inner side of the inner pipe, a heat-resistant insulating layer is bonded on the outer side of the inner pipe, an anti-aging layer is bonded on the outer side of the heat-resistant insulating layer, and a wear-resistant layer is bonded on the outer side of the anti-aging layer.
Further, the temperature-resistant heat-insulating layer comprises high-temperature glass wool, a composite silicate heat-insulating material and rubber and plastic sponge, the inner side of the high-temperature glass wool is connected with the inner pipe, the outer side of the high-temperature glass wool is connected with the composite silicate heat-insulating material, and the outer side of the composite silicate heat-insulating material is connected with the rubber and plastic sponge.
Further, the anti-aging layer comprises a polyurethane elastomer and anti-aging resin, the anti-aging resin is located in the middle of the anti-aging layer, and the polyurethane elastomer has two parts which are respectively used as the inner surface and the outer surface of the anti-aging layer.
Further, the chemical-resistant layer is made of fluorocarbon resin.
Further, the wear-resistant layer is made of high-strength polyethylene.
Further, the thickness ratio of the chemical-resistant layer to the inner pipe to the heat-resistant insulating layer to the anti-aging layer to the wear-resistant layer is 0.5:4:2:2: 1.
Further, the high-temperature glass wool, the composite silicate heat-insulating material and the rubber-plastic sponge have the same thickness.
The wear-resistant PP-R water supply pipe has the following advantages: the water supply pipe has the advantages that the wear-resistant layer is arranged, so that the water supply pipe has super wear resistance, electric insulation, toughness and chemical stability, the anti-aging performance of the water supply pipe is improved through the anti-aging layer, the cracking phenomenon of the water supply pipe is reduced, the water supply pipe has excellent temperature resistance and heat insulation performance through the temperature-resistant heat insulation layer, the chemical-resistant layer arranged inside the water supply pipe has acid resistance, alkali resistance and organic solvent resistance, the water supply pipe can resist corrosion of various media, and the service life of the water supply pipe is effectively prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the temperature-resistant insulating layer of the present invention;
FIG. 3 is a schematic cross-sectional view of an anti-aging layer according to the present invention;
the notation in the figure is: 1. an inner tube; 2. a chemical resistant layer; 3. a heat-resistant insulating layer; 31. high-temperature glass wool; 32. composite silicate heat insulating material; 33. rubber-plastic sponge; 4. an anti-aging layer; 41. a polyurethane elastomer; 42. anti-aging resin; 5. and a wear-resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The wear-resistant PP-R water supply pipe of the utility model is described in further detail below with reference to the accompanying drawings.
As shown in figure 1, the wear-resistant PP-R water supply pipe comprises an inner pipe 1, wherein a chemical resistant layer 2 is bonded to the inner layer of the inner pipe 1 by using an adhesive, the chemical resistant layer 2 is made of fluorocarbon resin, and the chemical resistant layer 2 can resist corrosion of various media, such as chemicals such as acid, alkali, salt, organic solvent and the like.
The outer layer of the inner pipe 1 is bonded with a temperature-resistant insulating layer 3 by adopting an adhesive, the temperature-resistant insulating layer 3 comprises high-temperature glass wool 31, a composite silicate insulating material 32 and rubber and plastic sponge 33, the inner side of the high-temperature glass wool 31 is fixedly connected with the inner pipe 1, the outer side of the high-temperature glass wool 31 is fixedly connected with the composite silicate insulating material 32, the outer side of the composite silicate insulating material 32 is fixedly connected with the rubber and plastic sponge 33, and the thicknesses of the high-temperature glass wool 31, the composite silicate insulating material 32 and the rubber and plastic sponge 33 are equal. The high-temperature glass wool 31 has high temperature resistance, the rubber-plastic sponge 33 has heat insulation performance, the composite silicate heat insulation material 32 has both high temperature resistance and heat insulation performance, and the high-temperature glass wool 31, the composite silicate heat insulation material 32 and the rubber-plastic sponge 33 are jointly used as the heat-resistant heat insulation layer 3, so that the heat-resistant heat insulation composite material has excellent high temperature resistance and heat insulation performance.
The outer layer of the temperature-resistant heat-preservation layer 3 is bonded with an anti-aging layer 4 by adopting an adhesive, the anti-aging layer 4 comprises a polyurethane elastomer 41 and an anti-aging resin 42, the anti-aging resin 42 is positioned in the middle of the anti-aging layer 4, and the polyurethane elastomer 41 comprises two parts which are respectively used as the inner surface and the outer surface of the anti-aging layer 4. The anti-aging resin 42 has good anti-aging performance, and is distributed in the middle of the polyurethane elastomer 41 by taking the polyurethane elastomer 41 as a carrier, so that the anti-aging performance of the polyurethane elastomer 41 is improved, the anti-aging performance of the anti-aging layer 4 is improved, and the phenomenon that the water supply pipe is broken is reduced.
The outer layer of the anti-aging layer 4 is bonded with the wear-resistant layer 5 by adopting an adhesive, the wear-resistant layer 5 is made of high-strength polyethylene, and the anti-aging layer has super-strong wear resistance, electric insulation, toughness and chemical stability, and the service life of the anti-aging layer is effectively prolonged.
The thickness ratio of the chemical-resistant layer 2 to the inner pipe 1 to the heat-resistant insulating layer 3 to the anti-aging layer 4 to the wear-resistant layer 5 is 0.5:4:2:2: 1.
When the wear-resistant PP-R water supply pipe is used, the wear-resistant layer 5 is arranged, so that the water supply pipe has super wear resistance, electric insulation, toughness and chemical stability, the anti-aging performance of the water supply pipe is improved through the anti-aging layer 4, the cracking phenomenon of the water supply pipe is reduced, the heat-resistant heat-insulating layer 3 is used for ensuring that the wear-resistant PP-R water supply pipe has excellent high-temperature resistance and heat-insulating performance, the chemical-resistant layer 2 arranged inside the water supply pipe has acid resistance, alkali resistance and organic solvent resistance, so that the water supply pipe can resist corrosion of various media, and the service life of the water supply pipe is effectively prolonged.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The wear-resistant PP-R water supply pipe comprises an inner pipe (1) and is characterized in that a chemical-resistant layer (2) is bonded on the inner side of the inner pipe (1), a heat-resistant heat-insulating layer (3) is bonded on the outer side of the inner pipe (1), an anti-aging layer (4) is bonded on the outer side of the heat-resistant heat-insulating layer (3), and a wear-resistant layer (5) is bonded on the outer side of the anti-aging layer (4).
2. The wear-resistant PP-R water supply pipe according to claim 1, characterized in that the temperature-resistant and heat-insulating layer (3) comprises high-temperature glass wool (31), composite silicate heat-insulating material (32) and rubber-plastic sponge (33), wherein the inner side of the high-temperature glass wool (31) is connected with the inner pipe (1), the outer side of the high-temperature glass wool (31) is connected with the composite silicate heat-insulating material (32), and the outer side of the composite silicate heat-insulating material (32) is connected with the rubber-plastic sponge (33).
3. A wear-resistant PP-R water pipe according to claim 1, wherein the aging resistant layer (4) comprises a polyurethane elastomer (41) and an anti-aging resin (42), the anti-aging resin (42) is located at a middle position of the aging resistant layer (4), and the polyurethane elastomer (41) has two parts as inner and outer surfaces of the aging resistant layer (4).
4. A wear resistant PP-R service pipe according to claim 1, characterized in that said chemical resistant layer (2) is made of fluorocarbon resin.
5. A wear resistant PP-R service pipe according to claim 1, characterized in that the wear layer (5) is made of high strength polyethylene.
6. The wear-resistant PP-R water supply pipe according to claim 1, characterized in that the thickness ratio of the chemical-resistant layer (2), the inner pipe (1), the temperature-resistant insulating layer (3), the anti-aging layer (4) and the wear-resistant layer (5) is 0.5:4:2:2: 1.
7. A wear-resistant PP-R service pipe according to claim 2, characterized in that the high temperature glass wool (31), the composite silicate insulation (32) and the rubber-plastic sponge (33) are of equal thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122670046.2U CN216715452U (en) | 2021-11-03 | 2021-11-03 | Wear-resisting type PP-R feed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122670046.2U CN216715452U (en) | 2021-11-03 | 2021-11-03 | Wear-resisting type PP-R feed pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715452U true CN216715452U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122670046.2U Active CN216715452U (en) | 2021-11-03 | 2021-11-03 | Wear-resisting type PP-R feed pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715452U (en) |
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2021
- 2021-11-03 CN CN202122670046.2U patent/CN216715452U/en active Active
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