CN211175740U

CN211175740U - PE gas pipe with low temperature resistant function

Info

Publication number: CN211175740U
Application number: CN201922339502.8U
Authority: CN
Inventors: 张闻华; 史谦; 孙军鹏; 王宏生; 张帆; 史勇
Original assignee: Xi'an Anderson Management Technology Co ltd
Current assignee: Xi'an Anderson Management Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-04
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a PE gas pipe with low temperature resistant function, including first high density polyethylene layer, the weaving layer, enhancement layer and heat preservation have set gradually in the first high density polyethylene layer outside, the weaving layer includes glass steel fiber layer and sol layer, glass steel fiber layer weaves in first high density polyethylene layer outer wall, glass steel fiber layer both sides are provided with the sol layer; the reinforced layer is formed outside the woven layer through high-temperature resin, and the heat preservation layer is formed by splicing heat preservation plates. Has the advantages that: the pipeline is inside to support PE gas pipe through weaving layer, enhancement layer, improves the bulk strength of PE gas pipe greatly, effectively improves the anti cracking performance of pipeline, is spliced the shaping by the heated board through the heat preservation, can improve the low temperature resistant performance of PE gas pipe, protects the pipeline.

Description

PE gas pipe with low temperature resistant function

Technical Field

The utility model relates to a PE gas pipe field, concretely relates to PE gas pipe with low temperature resistant function.

Background

With the steady development of plastic pipelines, the PE gas pipe has the advantages of impact resistance, reliable connection, aging resistance and the like, and gradually replaces the traditional steel pipe and polyvinyl chloride gas.

The existing PE gas pipe is mainly integrally formed by directly using high-density polyethylene, and the whole pipeline is relatively fragile and relatively weak in strength due to the lack of a reinforcing layer inside the pipeline, so that the whole quality of the pipeline is influenced; and because the brittleness of the pipeline is larger, the existing PE gas pipe is easy to crack when the temperature is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PE gas pipe with low temperature resistant function just for solving above-mentioned problem, the utility model provides an in a great deal of technical scheme preferred technical scheme improve the bulk strength of PE gas pipe greatly, effectively improve the anti fracture performance of pipeline, improve the technological effect of the low temperature resistant performance of PE gas pipe, see the explanation below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a PE gas pipe with low temperature resistant function, including first high density polyethylene layer, first high density polyethylene layer is the annular, has set gradually weaving layer, enhancement layer and heat preservation outside the first high density polyethylene layer, and the weaving layer includes glass steel fiber layer and sol layer, and glass steel fiber layer weaves at first high density polyethylene layer outer wall, and glass steel fiber layer both sides are provided with the sol layer, and first high density polyethylene layer links together through sol layer hot melt with glass steel fiber layer;

the enhancement layer passes through the high temperature resin shaping in the weaving layer outside, and the heat preservation is formed by the heated board concatenation, and two adjacent heated boards are close to each other the surface be provided with the splice groove and the splice piece of mutually supporting, and the heated board bonds in the enhancement layer outside.

Adopt above-mentioned PE gas pipe with low temperature resistant function, improve the bulk strength on first high density polyethylene layer through weaving layer and enhancement layer, and the whole hot melt integrated into one piece on first high density polyethylene layer, weaving layer and enhancement layer, can improve the anti fracture performance of PE gas pipe, through the mutually supporting of splice groove and splice piece, can realize that the heated board splices fast for the heat preservation to fix the heated board through the viscose, improve the heat preservation effect of PE gas pipe.

Preferably, the first high density polyethylene layer is coated on the inner wall with a fire resistant coating.

Preferably, the glass fiber reinforced plastic fiber layer is provided with a plurality of layers along the radial direction, and the adjacent two layers are connected together through a sol layer in a hot melting way.

Preferably, the reinforcing layer comprises a metal braided layer and a second high-density polyethylene layer, the metal braided layer is braided and formed on the outer wall of the braided layer, and the second high-density polyethylene layer is formed on the outer side of the metal braided layer through high-temperature resin.

Preferably, the heat insulation plate is in a semi-annular shape.

Preferably, the outer side of the heat insulation plate is coated with a graphene coating.

Has the advantages that: the pipeline is inside to support PE gas pipe through weaving layer, enhancement layer, improves the bulk strength of PE gas pipe greatly, effectively improves the anti cracking performance of pipeline, is spliced the shaping by the heated board through the heat preservation, can improve the low temperature resistant performance of PE gas pipe, protects the pipeline.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left side view of the heat insulating layer of the present invention;

fig. 3 is a schematic view of the internal structure of the woven layer of the present invention.

The reference numerals are explained below:

1. a first high density polyethylene layer; 101. a refractory coating; 2. weaving layer; 201. a fiberglass fiber layer; 202. a sol layer; 3. a reinforcing layer; 301. a metal braid layer; 302. A second high density polyethylene layer; 4. a heat-insulating layer; 401. a thermal insulation board; 402. splicing blocks; 403. splicing grooves; 404. and (4) coating graphene.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a PE gas pipe with low temperature resistance function, including first high density polyethylene layer 1, first high density polyethylene layer 1 is annular, first high density polyethylene layer 1 outside has set gradually weaving layer 2, enhancement layer 3 and heat preservation 4, weaving layer 2 includes glass steel fiber layer 201 and sol layer 202, glass steel fiber layer 201 is woven at first high density polyethylene layer 1 outer wall, glass steel fiber layer 201 both sides are provided with sol layer 202, first high density polyethylene layer 1 and glass steel fiber layer 201 are connected together through sol layer 202 hot melt;

enhancement layer 3 is in the 2 outsides of weaving layer through the high temperature resin shaping, and heat preservation 4 is formed by the concatenation of heated board 401, and two adjacent heated board 401 surfaces that are close to each other are provided with the splice groove 403 and the splice piece 402 of mutually supporting, and heated board 401 bonds in the 3 outsides of enhancement layer.

As an alternative embodiment, the inner wall of the first high-density polyethylene layer 1 is coated with a fire-resistant coating 101, so that the fire-resistance of the inside of the PE gas pipe can be improved by the fire-resistant coating 101.

Glass fiber reinforced plastic fiber layer 201 is provided with a plurality of layers along radially, and links together through sol layer 202 hot melt between the adjacent two-layer, sets up like this, can superpose the connection to multilayer glass fiber reinforced plastic fiber layer 201 through sol layer 202, improves glass fiber reinforced plastic fiber layer 201's intensity through multilayer glass fiber reinforced plastic fiber layer 201.

Enhancement layer 3 includes metal braid 301 and second high density polyethylene layer 302, and the shaping is woven at 2 outer walls of weaving layer to metal braid 301, and second high density polyethylene layer 302 passes through the high temperature resin shaping in the metal braid 301 outside, sets up like this, and second high density polyethylene layer 302 can be fixed metal braid 301 to make the whole an organic whole of PE gas pipe, carry out overall protection to the pipeline.

Heated board 401 is the semicircle form, sets up like this, can splice for the annular through two heated boards 401, realizes heated board 401's quick shaping.

The heated board 401 outside coating has graphite alkene coating 404, sets up like this, improves the heat conductivity of PE gas pipe through graphite alkene coating 404.

Adopt above-mentioned structure, improve the bulk strength on first high density polyethylene layer 1 through weaving layer 2 and enhancement layer 3, and first high density polyethylene layer 1, weaving layer 2 and the 3 whole hot melt integrated into one piece in enhancement layer, can improve the anti fracture performance of PE gas pipe, through the mutually supporting of splice groove 403 and splice piece 402, can realize that heated board 401 splices fast for heat preservation 4 to fix heated board 401 through the viscose, improve the heat preservation effect of PE gas pipe.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a PE gas pipe with low temperature resistant function which characterized in that: the heat-insulating glass fiber reinforced plastic composite board is characterized by comprising a first high-density polyethylene layer (1), wherein the first high-density polyethylene layer (1) is annular, a weaving layer (2), a reinforcing layer (3) and a heat-insulating layer (4) are sequentially arranged on the outer side of the first high-density polyethylene layer (1), the weaving layer (2) comprises a glass fiber reinforced plastic layer (201) and a sol layer (202), the glass fiber reinforced plastic layer (201) is woven on the outer wall of the first high-density polyethylene layer (1), the sol layer (202) is arranged on two sides of the glass fiber reinforced plastic layer (201), and the first high-density polyethylene layer (1) and the glass fiber reinforced plastic layer (201) are connected together through the sol layer (202);

the reinforced layer (3) is formed by high-temperature resin in the outer side of the woven layer (2), the heat insulation layer (4) is formed by splicing heat insulation plates (401), the surfaces, close to each other, of the two adjacent heat insulation plates (401) are provided with splicing grooves (403) and splicing blocks (402) which are matched with each other, and the heat insulation plates (401) are bonded to the outer side of the reinforced layer (3).

2. The PE gas pipe with low temperature resistance as claimed in claim 1, wherein: the inner wall of the first high-density polyethylene layer (1) is coated with a fire-resistant coating (101).

3. The PE gas pipe with low temperature resistance as claimed in claim 1, wherein: the glass fiber reinforced plastic fiber layer (201) is provided with a plurality of layers along the radial direction, and the adjacent two layers are connected together through the sol layer (202) in a hot melting mode.

4. The PE gas pipe with low temperature resistance as claimed in claim 1, wherein: the reinforced layer (3) comprises a metal woven layer (301) and a second high-density polyethylene layer (302), the metal woven layer (301) is woven and formed on the outer wall of the woven layer (2), and the second high-density polyethylene layer (302) is formed on the outer side of the metal woven layer (301) through high-temperature resin.

5. The PE gas pipe with low temperature resistance as claimed in claim 1, wherein: the heat insulation plate (401) is in a semi-annular shape.

6. The PE gas pipe with low temperature resistance as claimed in claim 5, wherein: the outer side of the heat insulation plate (401) is coated with a graphene coating (404).