CN211942340U

CN211942340U - Hinder oxygen PE-RT pipe

Info

Publication number: CN211942340U
Application number: CN202020209062.4U
Authority: CN
Inventors: 吴芬; 胡广宇; 吴海曌; 殷健
Original assignee: Airfit Shanghai Heat Energy Equipment Co ltd
Current assignee: Airfit Shanghai Heat Energy Equipment Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-11-17
Anticipated expiration: 2030-02-26

Abstract

The utility model relates to a PE-RT manages technical field, and discloses a hinder oxygen PE-RT pipe, including PE-RT pipe body, the surface of PE-RT pipe body bonds and has the EVOH barrier layer, the surface of EVOH barrier layer bonds and has the back up coat, the surface of back up coat bonds and has the butadiene-acrylonitrile rubber layer. This hinder oxygen PE-RT pipe, can be very big improvement PE-RT pipe body hinder the oxygen performance through the EVOH barrier layer, avoid it to cause great corruption to it inside too much oxygen infiltration in the use, influence its life, then improve the heat resistance of PE-RT pipe body through the butyronitrile rubber layer, the sun-proof thermal insulation material layer of rethread makes PE-RT pipe body more convenient at the in-process of transportation and storage, then further improve the intensity of PE-RT pipe body through polyethylene coating and back up coat, make its life more increase, thereby simple structure has been reached, high durability and convenient to use, hinder the purpose that the oxygen performance is more strengthened and more high.

Description

Hinder oxygen PE-RT pipe

Technical Field

The utility model relates to a PE-RT manages technical field, specifically is a hinder oxygen PE-RT pipe.

Background

The PE-RT pipe is commonly called as a heat-resistant polyethylene pipe, is polymerized by medium-density polyethylene (mdpe) and octene, has the characteristic of high-temperature and freeze resistance, is transparent as the natural color of the raw material, does not add any color master and filler, is a special linear medium-density ethylene copolymer prepared by copolymerizing ethylene and octene, is added with a proper amount of auxiliary agent, and has good flexibility, small bending radius which is 5 times of the outer diameter of the pipe after extrusion molding of a thermoplastic heating pipe, no rebound after the bending of special stress relaxation, convenient laying operation, good impact resistance and thermal stability, hot melt connection, convenient installation and maintenance and excellent molding and processing performance.

The PE-RT tube in the prior art has poor oxygen resistance, so that a great deal of inconvenience exists in the use process, and the PE-RT tube is easily stressed and exposed to heavy pressure and the like in the transportation and storage processes to cause great damage to the PE-RT tube, so that the problem is solved by the oxygen resistance PE-RT tube.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a hinder oxygen PE-RT pipe possesses simple structure, and convenient to use hinders advantages such as oxygen performance more strengthens and the durability is higher, and it is relatively poor to have solved PE-RT pipe among the prior art and hinder oxygen performance, leads to it to have a great deal of inconvenience in the use, and it receives the heavy load easily and shines the circumstances such as insolate in transportation and storage process, leads to the fact the problem of great damage for it.

(II) technical scheme

For realizing above-mentioned simple structure, convenient to use hinders the purpose that oxygen performance is more strengthened and the durability is higher, the utility model provides a following technical scheme: the utility model provides a hinder oxygen PE-RT pipe, includes PE-RT pipe body, the surface bonding of PE-RT pipe body has the EVOH barrier layer, the surface bonding of EVOH barrier layer has the back up coat, the surface bonding of back up coat has the butadiene-acrylonitrile rubber layer, the surface bonding of butadiene-acrylonitrile rubber layer has sun-proof thermal insulation material layer, the surface bonding of sun-proof thermal insulation material layer has the polyethylene coating.

Preferably, the polyethylene coating layer is spirally adhered to the outer surface of the sun-proof heat-insulating material layer, and the thickness of the polyethylene coating layer is 0.2 mm.

Preferably, the thickness of the nitrile rubber layer is 0.4mm, and the thickness of the sun-proof heat-insulating material layer is 0.3 mm.

Preferably, a cavity is formed in the middle of the PE-RT pipe body, and the thickness of the EVOH barrier layer is 0.2 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a hinder oxygen PE-RT pipe possesses following beneficial effect:

1. the oxygen-barrier PE-RT pipe can greatly improve the oxygen-barrier property of the PE-RT pipe body through the EVOH barrier layer, avoid the phenomenon that excessive oxygen permeates into the interior of the PE-RT pipe body in the using process to cause larger corrosion to the PE-RT pipe body and influence the service life of the PE-RT pipe body, then the nitrile rubber layer improves the heat resistance of the PE-RT pipe body, so that the PE-RT pipe body can keep better using effect in the long-term heat transmission process, and the sun-proof heat insulation material layer is used for facilitating the transportation and storage of the PE-RT pipe body, so that the PE-RT pipe body is prevented from being greatly damaged under the conditions of heavy pressure or insolation and the like, and further larger economic loss is caused, then the strength of the PE-RT pipe body is further improved through the polyethylene coating layer and the reinforcing layer, so that the service life of the PE-RT pipe body is longer, thereby achieving the purposes of simple structure, convenient use, stronger oxygen resistance and higher durability.

2. This hinder oxygen PE-RT pipe makes its cladding in the outer lane of this pipeline that can be more convenient and complete through spiral helicine polyethylene coating, makes its compressive capacity more strengthen, improves its life, makes the use of PE-RT pipe body more convenient through the cavity.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the front structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a PE-RT tube body; 2. a cavity; 3. an EVOH barrier layer; 4. a reinforcement layer; 5. a nitrile rubber layer; 6. a layer of sun-blocking thermal insulation material; 7. a polyethylene coating 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.

Referring to fig. 1-3, an oxygen-barrier PE-RT tube comprises a PE-RT tube body 1, wherein an EVOH barrier layer 3 is bonded to the outer surface of the PE-RT tube body 1, a reinforcing layer 4 is bonded to the outer surface of the EVOH barrier layer 3, a nitrile rubber layer 5 is bonded to the outer surface of the reinforcing layer 4, a sunscreen thermal insulation material layer 6 is bonded to the outer surface of the nitrile rubber layer 5, and a polyethylene coating layer 7 is bonded to the outer surface of the sunscreen thermal insulation material layer 6, so that the oxygen-barrier performance of the PE-RT tube body 1 can be greatly improved by the EVOH barrier layer 3 during use, the PE-RT tube body 1 is prevented from being greatly corroded by excessive oxygen permeating into the EVOH barrier layer during use, the service life of the PE-RT tube body is prolonged, the heat resistance of the PE-RT tube body 1 is improved by the nitrile rubber layer 5, the PE-RT tube body can maintain a good use effect during long-term warm-transport, and the PE-RT tube body 1 is more convenient Avoid under the circumstances such as heavy pressure or insolate to cause great damage to it to lead to great economic loss, then further improve PE-RT pipe body 1's intensity through polyethylene coating 7 and back up coat 4, make its life more increase, thereby reached simple structure, convenient to use, the purpose that oxygen resistance performance is more strengthened and the durability is higher.

In this embodiment, specifically, polyethylene coating 7 is the heliciform and bonds at sun-proof thermal insulation material layer 6's surface, and the thickness of polyethylene coating 7 is 0.2mm, makes it can be more convenient and complete cladding at the outer lane of this pipeline through heliciform polyethylene coating 7, makes its compressive capacity more strengthen, improves its life.

In this embodiment, specifically, the thickness of the nitrile rubber layer 5 is 0.4mm, and the thickness of the sun-screening and heat-insulating material layer 6 is 0.3 mm.

In this embodiment, specifically, the middle part of the PE-RT pipe body 1 is provided with the cavity 2, the thickness of the EVOH barrier layer 3 is 0.2mm, and the use of the PE-RT pipe body 1 is more convenient through the cavity 2.

The working principle is as follows: when in use, the EVOH barrier layer 3 can greatly improve the oxygen resistance of the PE-RT pipe body 1, avoid the phenomenon that excessive oxygen permeates into the interior of the PE-RT pipe body to cause larger corrosion to the PE-RT pipe body in the use process and influence the service life of the PE-RT pipe body, then the nitrile rubber layer 5 improves the heat resistance of the PE-RT pipe body 1, so that the PE-RT pipe body 1 can keep better use effect in the long-term heat transmission process, and then the sun-proof heat insulation material layer 6 ensures that the PE-RT pipe body 1 is more convenient in the transportation and storage processes, avoids great damage to the PE-RT pipe body under the conditions of heavy pressure or insolation and the like, thereby causing great economic loss, then the strength of the PE-RT pipe body 1 is further improved through the polyethylene coating layer 7 and the reinforcing layer 4, so that the service life is longer, thereby achieving the purposes of simple structure, convenient use, stronger oxygen resistance and higher durability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hinder oxygen PE-RT pipe, includes PE-RT pipe body (1), its characterized in that: the outer surface bonding of PE-RT pipe body (1) has EVOH barrier layer (3), the outer surface bonding of EVOH barrier layer (3) has back up coat (4), the outer surface bonding of back up coat (4) has butadiene-acrylonitrile rubber layer (5), the outer surface bonding of butadiene-acrylonitrile rubber layer (5) has sun-proof thermal insulation material layer (6), the outer surface bonding of sun-proof thermal insulation material layer (6) has polyethylene coating (7).

2. The oxygen barrier PE-RT tube of claim 1, wherein: the polyethylene coating layer (7) is spirally adhered to the outer surface of the sun-proof heat-insulating material layer (6), and the thickness of the polyethylene coating layer (7) is 0.2 mm.

3. The oxygen barrier PE-RT tube of claim 1, wherein: the thickness of the nitrile rubber layer (5) is 0.4mm, and the thickness of the sun-proof heat-insulation material layer (6) is 0.3 mm.

4. The oxygen barrier PE-RT tube of claim 1, wherein: the middle part of the PE-RT pipe body (1) is provided with a cavity (2), and the thickness of the EVOH barrier layer (3) is 0.2 mm.