CN204628832U - A kind of Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing - Google Patents

Abstract

The utility model provides an environment-friendly and corrosion-resistant conveying pipe. The conveying pipe includes an intermediate layer, an inner layer and an outer layer. The intermediate layer is a high-density polyethylene pipe body, and the inner layer is an anti-corrosion coating. The outer layer is an anti-aging coating; one end of the high-density polyethylene pipe body is provided with a socket, and the other end is provided with an interface corresponding to the shape and size of the socket. The high-density polyethylene pipe body is a lightweight material with good rigidity, toughness, heat resistance, cold resistance, acid and alkali resistance, good chemical stability, good mechanical strength and is more environmentally friendly. It can be recycled and reused when it is heated to the melting point ; The inner layer is an anti-corrosion coating, the purpose is to effectively prevent chemical corrosion; the outer layer is an anti-aging coating, the purpose is to effectively prevent the pipe from aging. The utility model has the advantages of light weight, pressure resistance, environmental protection, corrosion resistance and aging resistance, and is convenient for transportation, installation and long-term use.

Description

A kind of environment-friendly and corrosion-resistant conveying pipe

technical field

The utility model relates to the technical field of conveying pipes, in particular to an environment-friendly and corrosion-resistant conveying pipe.

Background technique

Conveying pipes are widely used in municipal sewage discharge, drainage, water supply, exhaust, mine ventilation, etc. There are many types of conveying pipes, such as cement pipes, steel pipes, concrete steel pipes, etc. These conveying pipes generally have problems such as heavy weight, difficult transportation and installation, and these conveying pipes cannot be recycled after damage, resulting in waste of resources , is not conducive to environmental protection. The pipes commonly used in chemical laboratories need to be replaced frequently due to their insufficient corrosion resistance.

Utility model content

The utility model provides an environment-friendly corrosion-resistant conveying pipe to overcome at least one defect described in the above-mentioned prior art.

For solving the problems of the technologies described above, the technical scheme of the utility model is as follows:

An environment-friendly and corrosion-resistant conveying pipe, the conveying pipe comprises a middle layer, an inner layer and an outer layer, the middle layer is a high-density polyethylene pipe body, the inner layer is an anti-corrosion coating, and the outer layer is an anti-corrosion Aging coating; one end of the high-density polyethylene pipe body is provided with a socket, and the other end is provided with an interface corresponding to the shape and size of the socket.

In a preferred solution, both the socket and the interface are annular, and the outer diameter of the socket is equal to the inner diameter of the interface. For two delivery pipes, the connection of the two pipes can be realized by inserting the socket of one pipe into the interface of the other pipe and fixing it.

In a preferred solution, a clip is sheathed on the outer wall of the interface. When connecting two pipes, the clamp is used to clamp the joint of the pipes.

In a preferred solution, the thickness of the high-density polyethylene pipe body is 40% to 90% of the total wall thickness of the pipe.

In a preferred solution, the anti-corrosion coating is a polytetrafluoroethylene coating, and its thickness is 5% to 30% of the total wall thickness of the pipe. PTFE coating is a very effective chemical resistant material with good corrosion resistance, especially chemical resistance.

In a preferred solution, the anti-aging coating is an anti-ultraviolet coating, and its thickness is 5% to 30% of the total wall thickness of the pipe. The anti-ultraviolet coating can effectively protect the pipe body from direct sunlight and ultraviolet rays, delay the aging speed of the conveying pipe, and thus prolong the service life of the conveying pipe.

Compared with the prior art, the beneficial effect of the technical solution of the utility model is: the utility model environmental protection and corrosion-resistant conveying pipe includes a middle layer, an inner layer and an outer layer, the middle layer is a high-density polyethylene pipe body, and the high-density polyethylene is A lightweight material with good rigidity, toughness, heat resistance, cold resistance, acid and alkali resistance, good chemical stability, good mechanical strength, and high-density polyethylene is more environmentally friendly, and can be recycled and reused when heated to the melting point; The inner layer is anti-corrosion coating, the purpose is to effectively prevent chemical corrosion; the outer layer is anti-aging coating, the purpose is to effectively prevent pipe aging. The utility model has the advantages of light weight, pressure resistance, environmental protection, corrosion resistance and aging resistance, and is convenient for transportation, installation and long-term use.

Description of drawings

Figure 1 is a cross-sectional view of the utility model's environmentally friendly corrosion-resistant transport pipe.

Fig. 2 is a structural schematic diagram of the environmental protection and corrosion-resistant conveying pipe of the present invention.

1. High-density polyethylene pipe body; 2. Anti-corrosion coating; 3. Anti-aging coating; 11. Socket; 12. Interface.

Detailed ways

The accompanying drawings are for illustrative purposes only and cannot be construed as limiting the patent;

In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

The technical scheme of the utility model is further described below in conjunction with the accompanying drawings and embodiments.

Example 1

An environment-friendly and corrosion-resistant transportation pipe, the transportation pipe includes a middle layer, an inner layer and an outer layer, the middle layer is a high-density polyethylene pipe body 1, the inner layer is an anti-corrosion coating 2, and the outer layer It is an anti-aging coating 3; one end of the high-density polyethylene pipe body is provided with a socket 11, and the other end is provided with an interface 12 corresponding to the shape and size of the socket.

In a specific implementation process, both the socket 11 and the interface 12 are annular, and the outer diameter of the socket 11 is equal to the inner diameter of the interface 12 . For two transport pipes, insert the socket 11 of one pipe into the interface 12 of the other pipe and fix it, so as to realize the connection of the two pipes.

In a specific implementation process, the outer wall of the interface 12 is covered with a hoop, and when two pipes are connected, the hoop is used to clamp the joint of the pipes.

In a specific implementation process, the thickness of the high-density polyethylene pipe body 1 is 40% to 90% of the total wall thickness of the pipe.

In a specific implementation process, the anti-corrosion coating 2 is a polytetrafluoroethylene coating, and its thickness is 5% to 30% of the total wall thickness of the pipe. PTFE coating is a very effective chemical resistant material with good corrosion resistance, especially chemical resistance.

In a specific implementation process, the anti-aging coating 3 is an anti-ultraviolet coating, and its thickness is 5% to 30% of the total wall thickness of the pipe. The anti-ultraviolet coating can effectively protect the pipe body from direct sunlight and ultraviolet rays, delay the aging speed of the conveying pipe, and prolong the service life of the conveying pipe.

The utility model environment-friendly and corrosion-resistant conveying pipe includes a middle layer, an inner layer and an outer layer. The middle layer is a high-density polyethylene pipe body 1, and the high-density polyethylene is a light material with good rigidity, toughness, heat resistance, and cold resistance. Good chemical stability, good mechanical strength, and high-density polyethylene is more environmentally friendly, it can be recycled and reused when it is heated to the melting point; the inner layer is an anti-corrosion coating 2, the purpose is to effectively prevent chemical corrosion ; The outer layer is an anti-aging coating 3, the purpose of which is to effectively prevent the aging of the pipe. The utility model has the advantages of light weight, environmental protection, corrosion resistance and aging resistance.

The same or similar reference numerals correspond to the same or similar components;

The terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be interpreted as limitations on this patent;

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (6)

1. an Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing, it is characterized in that, described conveying tubing comprises mesosphere, internal layer and skin, and described mesosphere is hdpe pipe body, and described internal layer is corrosion resistant coating, and described skin is antiaging coatings; One end of described hdpe pipe body is provided with socket, and the other end is provided with the interface corresponding with the shape and size of described socket.

2. Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing according to claim 1, it is characterized in that, described socket and interface are annular, and the external diameter of socket is equal with the internal diameter of interface.

3. Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing according to claim 2, it is characterized in that, on the outer wall of described interface, cover has clip.

4. Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing according to claim 1, it is characterized in that, the thickness of described hdpe pipe body is 40% to 90% of the total wall thickness of tubing.

5. Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing according to claim 1, it is characterized in that, described corrosion resistant coating is polytetrafluorethylecoatings coatings, and its thickness is 5% to 30% of the total wall thickness of tubing.

6. Environment-friendlycorrosion-resistant corrosion-resistant conveying tubing according to claim 1, it is characterized in that, described antiaging coatings is ultraviolet resistant, and its thickness is 5% to 30% of the total wall thickness of tubing.