Anti-aging polyethylene pipeline

Abstract

The utility model discloses an anti-aging polyethylene pipeline which comprises a pipeline main body, a heat exchange pipeline and an annular metal heat dissipation piece, the annular metal heat dissipation piece is fixedly connected outside the pipeline main body in a sleeved mode, and the pipeline main body comprises a polyethylene inner pipe body, connecting ribs, an elastic heat conductor, a polyethylene outer pipe body and a high-temperature-resistant protection layer. A high-temperature-resistant protective layer is fixed to the inner wall of the polyethylene inner pipe body, the polyethylene inner pipe body is sleeved with a polyethylene outer pipe body, a plurality of evenly-distributed connecting ribs are arranged between the polyethylene outer pipe body and the polyethylene inner pipe body, and the space between the polyethylene inner pipe body and the polyethylene outer pipe body is filled with an elastic heat conductor. The heat exchange pipeline is led into the elastic heat conductor, the interior of the annular metal heat dissipation piece is hollow and communicates with the heat exchange pipeline, and an evaporation opening and a water injection opening communicating with the interior of the annular metal heat dissipation piece are formed in the outer side of the annular metal heat dissipation piece. According to the anti-aging polyethylene pipeline, high-temperature-resistant cooling and heat dissipation protection can be carried out on the polyethylene pipeline, and the aging speed is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipelines, in particular to an anti-aging polyethylene pipeline. Background Art

[0002] PE is polyethylene plastic, the most basic type of plastic. Plastic bags, cling film, etc. are all PE. HDPE is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and it is translucent to a certain extent in the thin cross section. PE has excellent resistance to most domestic and industrial chemicals. The existing polyethylene pipes have been used for a long time to transport factory hot waste liquids, which sometimes leads to a significant acceleration of their aging speed, affecting the service life of the pipes. Utility Model Content

[0003] The purpose of the present application is to provide an anti-aging polyethylene pipe to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an anti-aging polyethylene pipe, comprising a pipe body, a heat exchange pipe and an annular metal heat sink, wherein the annular metal heat sink is fixedly sleeved on the outside of the pipe body, the pipe body comprises a polyethylene inner pipe body, connecting ribs, an elastic heat conductor, a polyethylene outer pipe body and a high-temperature resistant protective layer, the inner wall of the polyethylene inner pipe body is fixedly installed with a high-temperature resistant protective layer, the outer surface of the polyethylene inner pipe body is sleeved with a polyethylene outer pipe body, a number of evenly distributed connecting ribs are arranged between the polyethylene outer pipe body and the polyethylene inner pipe body, one end of the connecting rib is fixedly connected to the polyethylene outer pipe body, and the other end of the connecting rib is fixedly connected to the polyethylene inner pipe body, an elastic heat conductor is filled between the polyethylene inner pipe body and the polyethylene outer pipe body, the heat exchange pipe passes into the interior of the elastic heat conductor, the interior of the annular metal heat sink is hollow and is connected to the heat exchange pipe, and the outer side of the annular metal heat sink is provided with an evaporation port and a water injection port connected to the interior thereof.

[0005] Preferably, a plurality of the annular metal heat sinks are provided and are evenly spaced apart along the length direction of the pipe body.

[0006] Preferably, two opposite sides of one of the annular metal heat sinks are connected to a plurality of evenly distributed heat exchange pipes, and the annular metal heat sinks are connected via the heat exchange pipes.

[0007] Preferably, the high temperature resistant protective layer is made of polypropylene resin material.

[0008] Preferably, the exterior of the pipe body is coated with a UV absorber coating.

[0009] Preferably, the polyethylene inner tube body and the polyethylene outer tube body are both made of high-density polyethylene material.

[0010] In summary, the technical effects and advantages of the utility model are:

[0011] In the utility model, the inner wall of the pipeline body is protected by a high-temperature resistant protective layer, and the heat conducted inside the pipeline can be exchanged with the heat exchange pipeline at the elastic heat conductor. Water is passed into the heat exchange pipeline and connected to the annular metal heat sink. The heated water evaporates at the evaporation port of the annular metal heat sink, thereby achieving cooling and heat dissipation of the pipeline body and reducing the aging speed of the pipeline body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the cross-sectional structure of an anti-aging polyethylene pipe in an embodiment of the present application;

[0014] Figure 2 This is a schematic diagram of the external structure of an anti-aging polyethylene pipe in an embodiment of the present application.

[0015] In the figure: 1. Pipe body; 2. Polyethylene inner pipe body; 3. Connecting ribs; 4. Elastic heat conductor; 5. Heat exchange pipe; 6. Annular metal heat sink; 7. Evaporation port; 8. Water injection port; 9. Polyethylene outer pipe body; 10. UV absorber coating; 11. High temperature resistant protective layer. DETAILED DESCRIPTION

[0016] 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.

[0017] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.

[0019] In this article, the term "comprising" is 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 includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0020] Example: Reference Figure 1-2The anti-aging polyethylene pipe shown in the figure comprises a pipe body 1, a heat exchange pipe 5 and an annular metal heat sink 6, wherein the annular metal heat sink 6 is fixedly sleeved on the outside of the pipe body 1, the pipe body 1 comprises a polyethylene inner pipe body 2, connecting ribs 3, an elastic heat conductor 4, a polyethylene outer pipe body 9 and a high temperature resistant protective layer 11, the inner wall of the polyethylene inner pipe body 2 is fixedly installed with a high temperature resistant protective layer 11, the outer wall of the polyethylene inner pipe body 2 is sleeved with a polyethylene outer pipe body 9, a plurality of evenly distributed connecting ribs 3 are arranged between the polyethylene outer pipe body 9 and the polyethylene inner pipe body 2, one end of the connecting rib 3 is fixedly connected to the polyethylene outer pipe body 9, and the other end of the connecting rib 3 is fixedly connected to the polyethylene inner pipe body 2, the polyethylene inner pipe body 2 An elastic heat conductor 4 is filled between the outer polyethylene tube body 9, and the heat exchange pipe 5 is passed into the interior of the elastic heat conductor 4. The interior of the annular metal heat sink 6 is hollow and connected to the heat exchange pipe 5. The outer side of the annular metal heat sink 6 is provided with an evaporation port 7 and a water injection port 8 connected to the interior thereof. The water injection port is convenient for injecting cold water into the annular metal heat sink and the heat exchange pipe. The inner wall of the pipe body is protected by a high-temperature resistant protective layer. The heat conducted inside the pipe can be exchanged with the heat exchange pipe at the elastic heat conductor. Water is passed into the heat exchange pipe and connected to the annular metal heat sink. The heated water evaporates at the evaporation port of the annular metal heat sink, thereby achieving cooling and heat dissipation of the pipe body and reducing the aging rate of the pipe body.

[0021] With the above structure, a plurality of annular metal heat sinks 6 are provided and evenly spaced along the length direction of the pipeline body 1. The opposite sides of one annular metal heat sink 6 are connected to a plurality of evenly distributed heat exchange pipes 5, and each annular metal heat sink 6 is connected through the heat exchange pipes 5, so that the pipeline body can be evenly cooled over a long distance.

[0022] According to the above structure: the high temperature resistant protective layer 11 is made of polypropylene resin material.

[0023] With the above structure: the exterior of the pipe body 1 is coated with an ultraviolet absorbent coating.

[0024] By means of the above structure: the polyethylene inner tube body 2 and the polyethylene outer tube body 9 are both made of high-density polyethylene material, which itself has good heat resistance.

[0025] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-aging polyethylene pipe, characterized by: It includes a pipeline main body, a heat exchange pipeline and an annular metal heat sink, which is fixedly sleeved on the outside of the pipeline main body. The pipeline main body includes a polyethylene inner tube body, connecting ribs, an elastic heat conductor, a polyethylene outer tube body and a high-temperature resistant protective layer. The inner wall of the polyethylene inner tube body is fixedly installed with a high-temperature resistant protective layer. The outer tube body of the polyethylene inner tube body is sleeved on the outside of the polyethylene outer tube body. A number of evenly distributed connecting ribs are arranged between the polyethylene outer tube body and the polyethylene inner tube body. One end of the connecting rib is fixedly connected to the polyethylene outer tube body, and the other end of the connecting rib is fixedly connected to the polyethylene inner tube body. The space between the polyethylene inner tube body and the polyethylene outer tube body is filled with an elastic heat conductor, the heat exchange pipeline passes into the interior of the elastic heat conductor, the interior of the annular metal heat sink is hollow and communicated with the heat exchange pipeline, and the outer side of the annular metal heat sink is provided with an evaporation port and a water injection port communicated with the interior thereof.

2. The anti-aging polyethylene pipe according to claim 1, characterized in that: There are a plurality of annular metal heat sinks which are evenly spaced and distributed along the length direction of the pipeline body.

3. The anti-aging polyethylene pipe according to claim 1, characterized in that: The opposite sides of one of the annular metal heat sinks are connected to a plurality of evenly distributed heat exchange pipes, and the annular metal heat sinks are connected through the heat exchange pipes.

4. The anti-aging polyethylene pipe according to claim 1, characterized in that: The high temperature resistant protective layer is made of polypropylene resin material.

5. The anti-aging polyethylene pipe according to claim 1, characterized in that: The exterior of the pipe body is coated with a UV absorber coating.

6. The anti-aging polyethylene pipe according to claim 1, characterized in that: The polyethylene inner tube body and the polyethylene outer tube body are both made of high-density polyethylene material.

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