CN217441131U

CN217441131U - Polyethylene heat supply pipeline with high temperature resistant structure

Info

Publication number: CN217441131U
Application number: CN202221283776.5U
Authority: CN
Inventors: 雒建伍; 李云云; 马军林; 李�杰; 韩孟杰
Original assignee: Henan Qinglong Plastic Pipe Co ltd
Current assignee: Henan Qinglong Plastic Pipe Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-16
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a polyethylene heat supply pipeline with high temperature resistant structure, including the pipeline body, the pipeline body is the bilayer structure of compriseing outer pipe layer and interior pipe layer, be equipped with high temperature resistant layer on the inner wall of interior pipe layer, high temperature resistant layer is polytetrafluoroethylene coating respectively, polyimide coating and organosilicon coating, polyimide coating scribbles the inboard of locating polytetrafluoroethylene coating, the inboard of locating polyimide coating is scribbled to the organosilicon coating, and polytetrafluoroethylene coating, polyimide coating and organosilicon coating and interior pipe layer constitute the integral type structure, and be equipped with the clearance between outer pipe layer and the interior pipe layer, the clearance between outer pipe layer and the interior pipe layer is filled with ceramic fibre. This polyethylene heat supply pipeline with high temperature resistant structure can effectual improvement self high temperature resistance, prolongs its life and guarantees the safety in utilization.

Description

Polyethylene heat supply pipeline with high temperature resistant structure

Technical Field

The utility model relates to a polyethylene heat supply pipeline technical field specifically is a polyethylene heat supply pipeline with high temperature resistant structure.

Background

The polyethylene pipe is made of polyethylene, and the polyethylene is a thermoplastic resin with high crystallinity and non-polarity. The original polyethylene is milk white in appearance, and is semitransparent to a certain extent on a micro-thin section. PE has excellent resistance to most domestic and industrial chemicals. At present, polyethylene pipes are widely used as heat supply pipelines.

The existing polyethylene heat supply pipeline usually needs to continuously convey heat energy with higher temperature, but because the pipeline body lacks an effective structure for conveying heat energy and resisting high temperature, the heat energy with higher temperature can easily damage the inner wall of the pipeline, thereby reducing the service life and the use safety of the pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyethylene heat supply pipeline with high temperature resistant structure to solve present polyethylene heat supply pipeline that above-mentioned background art provided and lack effectual heat energy high temperature resistant structure to carrying, this makes the higher heat energy of temperature cause the problem of damage to the pipeline inner wall very easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polyethylene heat supply pipeline with high temperature resistant structure, which comprises a pipeline body, the pipeline body is the bilayer structure of compriseing outer pipe layer and interior pipe layer, be equipped with high temperature resistant layer on the inner wall of interior pipe layer, high temperature resistant layer is polytetrafluoroethylene coating respectively, polyimide coating and organosilicon coating, polyimide coating scribbles the inboard of locating polytetrafluoroethylene coating, the inboard of locating polyimide coating is scribbled to the organosilicon coating, and polytetrafluoroethylene coating, polyimide coating and organosilicon coating and interior pipe layer constitute the integral type structure, and be equipped with the clearance between outer pipe layer and the interior pipe layer, the clearance between outer pipe layer and the interior pipe layer is filled with ceramic fiber.

Preferably, a plurality of rubber support rings are further arranged in the gap between the outer pipe layer and the inner pipe layer at equal intervals, and the inner wall and the outer wall of each rubber support ring are respectively bonded and fixed with the outer wall of the inner pipe layer and the inner wall of the outer pipe layer.

Preferably, a plurality of notches are arranged on the inner wall of the inner pipe layer in a surrounding mode, and the notches on the inner wall of the inner pipe layer are of circular arc-shaped structures.

Preferably, the outer wall of the outer tube layer is coated with an epoxy resin layer, and the thickness of the epoxy resin layer is 0.1-0.3 mm.

Preferably, a plurality of annular notches are equidistantly formed in the outer wall of the outer pipe layer, and metal reinforcing rings are sleeved in the annular notches in the outer wall of the outer pipe layer.

Preferably, the polytetrafluoroethylene coating, the polyimide coating and the silicone coating are all the same thickness.

Compared with the prior art, the beneficial effects of the utility model are that: this polyethylene heat supply pipeline with high temperature resistant structure can effectual improvement self high temperature resistance, prolongs its life and guarantees the safety in utilization. The device is through scribbling multilayer structure's high temperature resistant layer on the inner wall on inner tube layer, high temperature resistant layer can loop through polytetrafluoroethylene coating, polyimide coating and organosilicon coating play multilayer protection's effect to the inner wall on inner tube layer, and ceramic fiber also can play high temperature resistant effect to pipeline body whole between outer tube layer and inner tube layer, this makes the pipeline body can be under the effectual high temperature resistant of improvement self under multiple protection, avoid the heat energy of carrying to cause the damage to pipeline body and influence life and security of use.

Drawings

FIG. 1 is a schematic view of a polyethylene heat supply pipeline with a high temperature resistant structure according to the present invention;

fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 of a polyethylene heat supply pipeline with a high temperature resistant structure according to the present invention;

fig. 3 is a schematic diagram of the internal structure of the outer pipe layer of the polyethylene heat supply pipeline with the high temperature resistant structure of the present invention.

In the figure: 1. a pipe body; 2. an outer tube layer; 3. an inner tube layer; 4. a high temperature resistant layer; 401. a polytetrafluoroethylene coating; 402. a polyimide coating; 403. an organosilicon coating; 5. ceramic fibers; 6. an epoxy resin layer; 7. a rubber support ring; 8. a metal reinforcing ring.

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, the present invention provides a technical solution: a polyethylene heat supply pipeline with a high temperature resistant structure comprises a pipeline body 1, wherein the pipeline body 1 is of a double-layer structure consisting of an outer pipe layer 2 and an inner pipe layer 3, the outer pipe layer 2 and the inner pipe layer 3 are both high-molecular polyethylene pipes, a high temperature resistant layer 4 is coated on the inner wall of the inner pipe layer 3, the high temperature resistant layer 4 is respectively a polytetrafluoroethylene coating 401 (which is a high-molecular compound polymerized by tetrafluoroethylene and has the characteristic of high temperature resistance), a polyimide coating 402 (which is a polymer containing imide rings on the existing main chain and has strong high temperature resistance) and an organosilicon coating 403 (which is prepared by the existing organosilicon resin and has the characteristic of high temperature resistance), the polyimide coating 402 is coated on the inner side of the polytetrafluoroethylene coating 401, the organosilicon coating 403 is coated on the inner side of the polyimide coating 402, and the polytetrafluoroethylene coating 401, The polyimide coating 402 and the organic silicon coating 403 form an integrated structure with the inner pipe layer 3, the thicknesses of the polytetrafluoroethylene coating 401, the polyimide coating 402 and the organic silicon coating 403 are the same, a gap is formed between the outer pipe layer 2 and the inner pipe layer 3, and ceramic fibers 5 (which are existing fibrous light refractory materials and have the characteristic of high temperature resistance) are filled in the gap between the outer pipe layer 2 and the inner pipe layer 3 The high temperature resistance effect is achieved, the high temperature resistance of the pipeline body 1 can be effectively improved under the dual protection of the high temperature resistant layer 4 and the ceramic fiber 5, the service life and the use safety of the pipeline body are prolonged, a plurality of rubber support rings 7 are further arranged at intervals between the outer pipe layer 2 and the inner pipe layer 3, the inner wall and the outer wall of each rubber support ring 7 are respectively bonded and fixed with the outer wall of the inner pipe layer 3 and the inner wall of the outer pipe layer 2, the structural rubber support rings 7 can effectively support the gap between the outer pipe layer 2 and the inner pipe layer 3, the overall strength of the pipeline body 1 is improved, the pipeline body is not prone to deformation, a plurality of notches are arranged on the inner wall of the inner pipe layer 3 in a surrounding mode, the notches on the inner wall of the inner pipe layer 3 are of an arc-shaped structure, the high temperature resistant layer 4 of the structure can be attached to the plurality of notches on the inner wall of the inner pipe layer 3, realize more effective guard action with the adhesive force that increases high temperature resistant layer 4, coat epoxy layer 6 on the outer wall of outer pipe layer 2, and the thickness of epoxy layer 6 is 0.1-0.3mm, this structure epoxy layer 6 can play anticorrosive effect to the outer wall of outer pipe layer 2, thereby further improve pipeline body 1's life, a plurality of annular notch has been seted up to the equidistant on the outer wall of outer pipe layer 2, and all overlap in the annular notch on the outer wall of outer pipe layer 2 and establish and be fixed with metal reinforcing ring 8, metal reinforcing ring 8 is the alloy metal material, this structure metal reinforcing ring 8 can further improve the intensity of outer pipe layer 2, in order to guarantee the good resistance to compression effect of outer pipe layer 2.

The working principle is as follows: when the polyethylene heat supply pipeline with the high temperature resistant structure is used, firstly, when the pipeline body 1 conveys heat energy with higher temperature through the inner pipe layer 3, the high temperature resistant layer 4 can play a role of multi-layer high temperature resistant protection for the inner wall of the inner pipe layer 3 through the polytetrafluoroethylene coating 401, the polyimide coating 402 and the organic silicon coating 403, namely, after the organic silicon coating 403 is damaged, the polyimide coating 402 plays a role of second layer protection, after the polyimide coating 402 is damaged again, the polytetrafluoroethylene coating 401 plays a role of third layer protection, and the ceramic fiber 5 is filled between the outer pipe layer 2 and the inner pipe layer 3 and can further play a role of high temperature resistance for the whole pipeline body 1, so that the heat energy conveyed in the inner pipe layer 3 is not easy to damage the pipeline body, and meanwhile, when the pipeline body 1 is used for a long time, the epoxy resin layer 6 can play an effective anticorrosion role for the outer wall of the outer pipe layer 2, when outer pipe layer 2 received pressure, at first metal reinforcing ring 8 can effectual improvement outer pipe layer 2's intensity to rubber support ring 7 also can play effectual supporting role to the clearance between outer pipe layer 2 and the interior pipe layer 3, in order to guarantee the good resistance to compression effect of outer pipe layer 2, thereby accomplishes a series of work.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a polyethylene heat supply pipeline with high temperature resistant structure, includes pipeline body (1), its characterized in that: the pipeline body (1) is of a double-layer structure consisting of an outer pipe layer (2) and an inner pipe layer (3), a high temperature resistant layer (4) is arranged on the inner wall of the inner pipe layer (3), the high temperature resistant layer (4) is respectively a polytetrafluoroethylene coating (401), a polyimide coating (402) and an organic silicon coating (403), the polyimide coating (402) is coated on the inner side of the polytetrafluoroethylene coating (401), the organic silicon coating (403) is coated on the inner side of the polyimide coating (402), the polytetrafluoroethylene coating (401), the polyimide coating (402), the organic silicon coating (403) and the inner pipe layer (3) form an integrated structure, a gap is formed between the outer pipe layer (2) and the inner pipe layer (3), and ceramic fibers (5) are filled in the gap between the outer pipe layer (2) and the inner pipe layer (3).

2. The polyethylene heat supply pipeline with high temperature resistant structure as claimed in claim 1, wherein: a plurality of rubber support rings (7) are further arranged in the gap between the outer pipe layer (2) and the inner pipe layer (3) at equal intervals, and the inner wall and the outer wall of each rubber support ring (7) are fixedly bonded with the outer wall of the inner pipe layer (3) and the inner wall of the outer pipe layer (2) respectively.

3. The polyethylene heat supply pipeline with high temperature resistant structure as claimed in claim 1, wherein: a plurality of notches are formed in the inner wall of the inner pipe layer (3) in an encircling mode, and the notches in the inner wall of the inner pipe layer (3) are of circular arc-shaped structures.

4. The polyethylene heat supply pipeline with high temperature resistant structure as claimed in claim 1, wherein: the outer pipe layer (2) is coated with an epoxy resin layer (6), and the thickness of the epoxy resin layer (6) is 0.1-0.3 mm.

5. The polyethylene heat supply pipeline with high temperature resistant structure as claimed in claim 1, wherein: a plurality of annular notches are formed in the outer wall of the outer pipe layer (2) at equal intervals, and metal reinforcing rings (8) are sleeved in the annular notches in the outer wall of the outer pipe layer (2).

6. The polyethylene heat supply pipeline with high temperature resistant structure as claimed in claim 1, wherein: the thicknesses of the polytetrafluoroethylene coating (401), the polyimide coating (402) and the organic silicon coating (403) are the same.