CN211550779U

CN211550779U - Corrosion-resistant PE water supply pipe

Info

Publication number: CN211550779U
Application number: CN201921925708.2U
Authority: CN
Inventors: 周同林; 韩正伟; 周清; 吕俊杰; 陈亮亮; 李建强
Original assignee: Zhejiang Shenkang Tube Industry Co ltd
Current assignee: Zhejiang Shenkang Tube Industry Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-09-22
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a corrosion-resistant PE water supply pipe relates to the tubular product field, including water supply pipe main part, water supply pipe main part's inner chamber lateral wall is provided with the water conservancy diversion post that the multiunit is spiral setting, water supply pipe main part includes inner tube layer and outer pipe layer, and inner tube layer encircles and sets up in the inner wall on outer pipe layer, in addition it has a plurality of resistance to compression joint pads to be annular array distribution between inner tube layer and the outer pipe layer, and inner tube layer and outer pipe layer carry out fixed connection through resistance to compression joint pad, the inner tube layer comprises inner body layer and interior anticorrosive coating. The utility model discloses utilize inboard and the inside anticorrosive coating and the outer anticorrosive coating that the outside set up, not only can improve feedwater tubular product main part through outer anticorrosive coating to external annular fire resistance, wearability and corrosion resistance, but also can utilize the inside anticorrosive coating to improve the corrosion resistance of the strong acid that the feedwater tubular product main part passes through and strong base to the result of use of feedwater tubular product main part under adverse circumstances has been improved greatly.

Description

Corrosion-resistant PE water supply pipe

Technical Field

The utility model relates to a tubular product field, in particular to corrosion-resistant PE water supply tubular product.

Background

The PE material is widely applied to the field of water supply pipe manufacturing due to the characteristics of high strength, corrosion resistance, no toxicity and the like. Because it does not rust, it is an ideal pipe material for replacing general iron water supply pipe. Another reason why polyethylene can be used is that polyvinyl chloride is increasingly under pressure from the environmental point of view. Firstly, the hygiene properties of polyvinyl chloride itself are a problem: it is known that the production of polyvinyl chloride pipes, under regular production and strict control, allows to guarantee hygienic performances, allowing applications in the field of drinking water. There is concern that problems may occur in poorly controlled places: if the content of vinyl chloride monomer in polyvinyl chloride resin exceeds the standard, toxic auxiliary agents are misused in the formula of the polyvinyl chloride pipe for water supply. Water supply pipes and pipe fittings and the like are mistakenly used for the polyvinyl chloride pipes and pipe fittings for drainage which are not guaranteed to be nontoxic. Secondly, the problem of recycling the polyvinyl chloride pipe is as follows: polyvinyl chloride is thermoplastic plastic like polyethylene and can be used theoretically, but the proportion of old plastic products which can be recycled is limited, the main treatment mode is incineration for recycling energy, polyvinyl chloride contains chlorine, harmful substances can be generated when the control is not good during incineration, and polyethylene only contains carbon hydrogen and generates water and carbon dioxide after incineration. The flexibility of polyethylene pipe systems has great technical and economic value. The flexibility of polyethylene is an important property, which greatly increases the value of the material for pipeline engineering.

However, the existing PE water supply pipe has low corrosion resistance, is easy to rot and electrochemically corrode under the corrosive media of acid, alkali, oil and the like, greatly prolongs the service life of the PE pipe, and limits the application range of the PE pipe. Therefore, it is necessary to develop a corrosion-resistant PE water supply pipe material to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant PE feeds water tubular product to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant PE water supply pipe, includes water supply pipe main part, water supply pipe main part's inner chamber lateral wall is provided with the water conservancy diversion post that the multiunit is spiral setting, water supply pipe main part includes interior body layer and outer pipe layer, and interior body layer encircles and sets up in the inner wall on outer pipe layer, in addition it has a plurality of resistance to compression joint pads to be distributed to be annular array between interior body layer and the outer pipe layer, and interior body layer and outer pipe layer carry out fixed connection through resistance to compression joint pad, interior body layer comprises interior body layer and interior anticorrosive coating, and interior body layer encircles and sets up on the outer wall of interior anticorrosive coating, outer pipe layer comprises outer body layer, anti-cutting layer and outer anticorrosive coating, and outer body layer, anti-cutting layer and outer anticorrosive coating encircle the setting from inside to outside in proper order.

Preferably, gaps between adjacent pressure-resistant connecting pads are filled with insulating layers, and the insulating layers are made of polyurethane foam.

Preferably, the flow guiding column and the pressure-resistant connecting pad are both made of elastic rubber.

Preferably, the inner body layer and the outer body layer are both made of PE material.

Preferably, the inner anticorrosive layer and the outer anticorrosive layer are both made of nylon materials.

Preferably, the cutting-proof layer is made of a steel wire mesh.

The utility model discloses a technological effect and advantage:

the utility model has the advantages that the spiral arrangement of the multiple groups of flow guide columns is favorable for spiral flow guide of the liquid conveyed by the water supply pipe main body, the damage caused by the impact of huge impact force on the inner wall of the water supply pipe main body in liquid transportation is reduced, and the service life of the water supply pipe main body is greatly prolonged; and by utilizing the inner anticorrosive layer and the outer anticorrosive layer which are arranged on the inner side and the outer side, the annular flame retardance, the wear resistance and the corrosion resistance of the water supply pipe main body to the outside can be improved through the outer anticorrosive layer, and the corrosion resistance of strong acid and strong base which pass through the water supply pipe main body can be improved by utilizing the inner anticorrosive layer, so that the use effect of the water supply pipe main body in severe environment is greatly improved.

Drawings

Fig. 1 is a schematic view of a part of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

In the figure: 1. a water supply pipe body; 2. a flow guide column; 3. an inner tube layer; 4. an outer tube layer; 5. a pressure-resistant connecting pad; 6. an inner body layer; 7. an inner corrosion resistant layer; 8. an outer body layer; 9. a cut-resistant layer; 10. an outer corrosion resistant layer; 11. and (7) an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a as shown in fig. 1 to fig. 2 corrosion-resistant PE water supply pipe, including water supply pipe main part 1, water supply pipe main part 1's inner chamber lateral wall is provided with the water conservancy diversion post 2 that the multiunit is spiral setting, and water conservancy diversion post 2 is made by elastic rubber, through the spiral setting of multiunit water conservancy diversion post 2, be favorable to carrying out spiral water conservancy diversion to the liquid of water supply pipe main part 1 transport, the injury that the impact of the huge impact force that contains in the liquid transportation to water supply pipe main part 1 inner wall caused has been reduced, the service life of water supply pipe main part 1 has been improved greatly.

More specifically, the water supply pipe body 1 comprises an inner pipe layer 3 and an outer pipe layer 4, the inner pipe layer 3 is arranged in the inner wall of the outer pipe layer 4 in a surrounding manner, a plurality of pressure-resistant connecting pads 5 made of elastic rubber are distributed between the inner pipe layer 3 and the outer pipe layer 4 in an annular array manner, and the inner pipe layer 3 and the outer pipe layer 4 are fixedly connected through the pressure-resistant connecting pads 5; further, the gap between the adjacent pressure-resistant connecting pads 5 is filled with a heat-insulating layer 11, and the heat-insulating layer 11 is made of polyurethane foam, thereby being beneficial to being used under the frozen soil environment, and the heat-insulating layer 11 made of polyurethane foam can isolate the external cold air and transmit the cold air to the inside through the water supply pipe body 1, thereby avoiding the liquid to be conveyed from freezing in the water supply pipe body 1.

Wherein, the inner pipe layer 3 is composed of an inner main body layer 6 and an inner anti-corrosion layer 7, the inner main body layer 6 is arranged on the outer wall of the inner anti-corrosion layer 7 in a surrounding way, the outer pipe layer 4 is composed of an outer main body layer 8, a cutting-proof layer 9 and an outer anti-corrosion layer 10, wherein, the inner main body layer 6 and the outer main body layer 8 are both made of PE materials, and the outer main body layer 8, the cutting-proof layer 9 and the outer anti-corrosion layer 10 are arranged in a surrounding way from inside to outside in sequence, wherein, the inner anti-corrosion layer 7 and the outer anti-corrosion layer 10 are both made of nylon materials, the nylon has good comprehensive performance, including mechanical property, heat resistance, wear resistance, chemical resistance and self-lubricity, and low friction coefficient, has certain flame retardance, is easy to process, is suitable for being filled with glass fiber and other fillers for reinforcing modification, improves the performance and expands the application range, and not only can improve the flame retardance, annular flame retardance, The wear resistance and the corrosion resistance, and the corrosion resistance of strong acid and strong base passing through the water supply pipe material main body 1 can be improved by utilizing the inner anti-corrosion layer 7; further, the anti-cutting layer 9 is made of a steel wire mesh, so that the strength of the water supply pipe body 1 is greatly improved, and the water supply pipe body 1 is prevented from being cut off by external sharp objects, so that the using effect of the water supply pipe body 1 is influenced.

This practical theory of operation:

the utility model has the advantages that the spiral arrangement of the multiple groups of the diversion columns 2 is beneficial to the spiral diversion of the liquid conveyed by the water supply pipe main body 1, the damage caused by the impact of the huge impact force contained in the liquid transportation to the inner wall of the water supply pipe main body 1 is reduced, and the service life of the water supply pipe main body 1 is greatly prolonged; and by utilizing the inner anticorrosive layer 7 and the outer anticorrosive layer 10 arranged on the inner side and the outer side, the fire resistance, the wear resistance and the corrosion resistance of the water supply pipe body 1 to the external ring can be improved through the outer anticorrosive layer 10, and the corrosion resistance of strong acid and strong base passing through the water supply pipe body 1 can be improved by utilizing the inner anticorrosive layer 7, so that the use effect of the water supply pipe body 1 in severe environment is greatly improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a corrosion-resistant PE feedwater tubular product, includes feedwater tubular product main part (1), its characterized in that: a plurality of groups of spirally arranged flow guide columns (2) are arranged on the side wall of the inner cavity of the water supply pipe body (1), the water supply pipe body (1) comprises an inner pipe layer (3) and an outer pipe layer (4), the inner pipe layer (3) is arranged in the inner wall of the outer pipe layer (4) in a surrounding manner, in addition, a plurality of pressure-resistant connecting pads (5) are distributed between the inner pipe layer (3) and the outer pipe layer (4) in an annular array, the inner pipe layer (3) and the outer pipe layer (4) are fixedly connected through a pressure-resistant connecting pad (5), the inner pipe layer (3) is composed of an inner main body layer (6) and an inner anti-corrosion layer (7), and the inner main body layer (6) is arranged on the outer wall of the inner anti-corrosion layer (7) in a surrounding way, the outer pipe layer (4) is composed of an outer main body layer (8), a cutting-proof layer (9) and an outer corrosion-proof layer (10), and the outer main body layer (8), the anti-cutting layer (9) and the outer anti-corrosion layer (10) are arranged in a surrounding way from inside to outside in sequence.

2. A corrosion resistant PE water supply pipe material according to claim 1, characterized in that: gaps between the adjacent pressure-resistant connecting pads (5) are filled with heat-insulating layers (11), and the heat-insulating layers (11) are made of polyurethane foam.

3. A corrosion resistant PE water supply pipe material according to claim 1, characterized in that: the flow guide column (2) and the pressure-resistant connecting pad (5) are both made of elastic rubber.

4. A corrosion resistant PE water supply pipe material according to claim 1, characterized in that: the inner body layer (6) and the outer body layer (8) are both made of PE material.

5. A corrosion resistant PE water supply pipe material according to claim 1, characterized in that: the inner anticorrosive layer (7) and the outer anticorrosive layer (10) are both made of nylon materials.

6. A corrosion resistant PE water supply pipe material according to claim 1, characterized in that: the anti-cutting layer (9) is made of a steel wire mesh.