CN215410603U

CN215410603U - PE-RT thermal tube with composite heat insulation structure

Info

Publication number: CN215410603U
Application number: CN202121806296.8U
Authority: CN
Inventors: 杨明球; 徐冰; 刘伟民
Original assignee: Shandong Nanshan Hvac New Material Co ltd
Current assignee: Shandong Nanshan Hvac New Material Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-04
Anticipated expiration: 2031-08-04

Abstract

A PE-RT thermal pipe with a composite thermal insulation structure mainly relates to the technical field of water delivery pipes. The PE-RT heat pipe with the composite heat insulation structure comprises an inner layer, wherein an aerogel heat insulation layer is arranged outside the inner layer, a glass fiber belt layer is arranged outside the aerogel heat insulation layer, a composite silicate felt heat insulation layer is arranged outside the glass fiber belt layer, and a modified PP protection layer is arranged outside the composite silicate felt heat insulation layer. The inner tube uses PE-RT pipe, PE-RT pipe has good shock resistance, thermal stability can, but the hot melt connection is convenient for install and maintain, the aerogel heat preservation has better thermal insulation performance, can effectively prevent the heat loss, the glass silk band layer has supplementary heat preservation and prevents the effect of pipeline internal corrosion, compound silicate felt heat preservation can further promote the heat preservation and separate the warm effect, supplementary keeping pipeline shape, the modified PP protective layer has better intensity, toughness and shock resistance, can effectively protect pipeline inner structure.

Description

PE-RT thermal tube with composite heat insulation structure

Technical Field

The utility model mainly relates to the technical field of water delivery pipes, in particular to a PE-RT thermal power pipe with a composite thermal insulation structure.

Background

In daily life, pipelines play an important role in life as tools for transporting liquid or gas. Pipeline water supply system obtains extensive use in fields such as building life, and the heat preservation according to the different pipelines of transported substance, heat-insulating structural design is also especially important, for example running water supply pipe need have better heat-insulating property in order to prevent to take place the condition such as the frost crack pipeline that freezes when cold weather supplies water in winter, and heating pipe needs have better heat-insulating property, if heating pipe thermal insulation ability not enough can lead to heating in-process heat to run off from the pipeline in a large number, cause the very big waste of resource.

The conventional heating pipeline generally comprises three layers of structures, namely an internal steel pipe, an insulating layer and a protective layer, wherein the steel pipe is used for transmitting heating liquid or gas; the heat-insulating layer is mainly used for reducing heat loss of heat supply pipelines, accessories and equipment thereof due to heat exchange in the heat transfer process, and mostly adopts polyurethane foam materials with low manufacturing cost and good heat-insulating property; the protective layer is mainly used for protecting the inner layer, and the pressure resistance, the durability and the waterproofness of the pipe body are improved. By adopting the technical scheme, the highest transmission temperature of some thermal pipelines with lower temperature, such as a floor heating pipeline, is about 60 ℃, the thermal pipeline made of steel pipes has higher cost, and the heat is easy to dissipate and cause resource waste because the steel pipes have stronger thermal conductivity.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides the PE-RT heat pipe with the composite heat insulation structure, the inner pipe of the heat pipe is provided with the PE-RT pipe, the PE-RT pipe has good impact resistance and thermal stability, can be connected in a hot melting way, is convenient to install and maintain, has excellent forming and processing performances, the aerogel heat insulation layer has good heat insulation performance and can effectively prevent heat loss, the glass fiber belt layer has the functions of assisting in heat insulation and preventing corrosion inside a pipeline, the composite silicate felt heat insulation layer can further improve the heat insulation effect and assist in keeping the shape of the pipeline, the protective layer of the modified PP material has good strength, toughness and impact resistance, and can well protect the internal structure of the pipeline.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the PE-RT heat pipe with the composite heat insulation structure comprises an inner layer, wherein an aerogel heat insulation layer is arranged outside the inner layer, a glass fiber belt layer is arranged outside the aerogel heat insulation layer, a composite silicate felt heat insulation layer is arranged outside the glass fiber belt layer, and a modified PP protective layer is arranged outside the composite silicate felt heat insulation layer.

The inner layer uses PE-RT pipe.

The aerogel heat preservation hugs closely the inlayer outside, and thickness is 10 mm.

The glass ribbon layer is spirally wound on the aerogel heat-insulating layer, the width of the glass ribbon is 30mm, and the lap joint width is 5 mm.

The composite silicate felt heat-insulating layer is laid on the outer side of the glass fiber tape layer, and the thickness of the composite silicate felt heat-insulating layer is 150 mm.

And the composite silicate felt heat-insulating layer is externally wrapped with a modified PP protective layer.

Compared with the prior art, the utility model has the beneficial effects that:

the inner pipe of the utility model uses the PE-RT pipe, the PE-RT pipe has good impact resistance and thermal stability, can be connected by hot melting, is convenient for installation and maintenance, has excellent forming and processing performance, the aerogel heat-insulating layer has good heat-insulating performance, can effectively prevent heat loss, the glass fiber tape layer has the functions of auxiliary heat insulation and corrosion prevention inside the pipeline, the composite silicate felt heat-insulating layer can further improve the heat-insulating effect and assist in keeping the shape of the pipeline, the protective layer of the modified PP material has good strength, toughness and impact resistance, and can better protect the internal structure of the pipeline.

Drawings

FIG. 1 is a schematic view of the internal structure of the heat pipe of the present invention.

Reference numerals shown in the drawings: 1. an inner layer; 2. an aerogel insulation layer; 3. a layer of glass fiber tape; 4. a composite silicate felt heat-insulating layer; 5. and (3) modifying the PP protective layer.

Detailed Description

The utility model is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Example 1:

the PE-RT heat pipe with the composite heat insulation structure comprises an inner layer 1, wherein an aerogel heat insulation layer 2 is arranged outside the inner layer 1, a glass ribbon layer 3 is arranged outside the aerogel heat insulation layer 2, a composite silicate felt heat insulation layer 4 is arranged outside the glass ribbon layer 3, and a modified PP protection layer 5 is arranged outside the composite silicate felt heat insulation layer 4.

The inner layer 1 is made of a PE-RT pipe which has good impact resistance and thermal stability and can be connected in a hot melting mode, and installation and maintenance are facilitated.

1 outside of inlayer is hugged closely to aerogel heat preservation 2, and thickness is 10mm, and the aerogel heat preservation has better thermal insulation performance, can prevent effectively that the heat from scattering and disappearing.

3 spiral winding aerogel heat preservation 2 in glass silk ribbon layer, glass silk ribbon width is 30mm, and overlap joint width 5mm, glass silk ribbon layer have supplementary heat preservation and prevent the inside effect of taking place the corruption of pipeline.

The composite silicate felt heat-insulating layer 4 is laid outside the glass fiber tape layer 3, the thickness of the composite silicate felt heat-insulating layer is 150mm, and the composite silicate felt heat-insulating layer has the effects of further improving the heat-insulating effect and assisting in keeping the shape of a pipeline.

The composite silicate felt heat-insulating layer 4 is externally wrapped with a modified PP protective layer 5, and the protective layer made of the modified PP material has good strength, toughness and impact resistance and can well protect the internal structure of the pipeline.

Example 2:

the preparation process of the PE-RT heat pipe with the composite heat insulation structure comprises the following steps:

(1) firstly, extruding an inner layer PE-RT pipe through an extruder;

(2) the inner layer pipe is coated with a bonding resin glue layer;

(3) laying the cut aerogel heat insulation felt close to the pipeline;

(4) spirally winding an aerogel heat insulation layer by using a glass ribbon;

(5) laying a composite silicate felt heat-insulating layer;

(6) the outermost layer is coated with a modified PP protective layer.

Claims

1. The utility model provides a compound incubation structure PE-RT heat pipe, includes inlayer (1), its characterized in that: the heat-insulating glass fiber reinforced plastic composite material is characterized in that an aerogel heat-insulating layer (2) is arranged outside the inner layer (1), a glass fiber belt layer (3) is arranged outside the aerogel heat-insulating layer (2), a composite silicate felt heat-insulating layer (4) is arranged outside the glass fiber belt layer (3), and a modified PP protective layer (5) is arranged outside the composite silicate felt heat-insulating layer (4).

2. The composite insulation structure PE-RT heat pipe according to claim 1, characterized in that: the inner layer (1) is made of PE-RT pipe.

3. The composite insulation structure PE-RT heat pipe according to claim 1, characterized in that: the aerogel heat preservation layer (2) is tightly attached to the outer side of the inner layer (1), and the thickness of the aerogel heat preservation layer is 10 mm.

4. The composite insulation structure PE-RT heat pipe according to claim 1, characterized in that: the glass ribbon layer (3) is spirally wound on the aerogel heat-insulating layer (2), the width of the glass ribbon is 30mm, and the lap joint width is 5 mm.

5. The composite insulation structure PE-RT heat pipe according to claim 1, characterized in that: the composite silicate felt heat-insulating layer (4) is laid outside the glass fiber belt layer (3) and has the thickness of 150 mm.

6. The composite insulation structure PE-RT heat pipe according to claim 1, characterized in that: the composite silicate felt heat-insulating layer (4) is externally wrapped with a modified PP protective layer (5).