CN216813212U

CN216813212U - Tensile and anti-bending interlayer type thermal restoration pipe

Info

Publication number: CN216813212U
Application number: CN202220243129.5U
Authority: CN
Inventors: 沙月华; 陈俊琛; 秦庆戊
Original assignee: 5Elem Hi Tech Corp Technology Co Ltd
Current assignee: 5Elem Hi Tech Corp Technology Co Ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-06-24
Anticipated expiration: 2032-01-29

Abstract

The invention provides a tensile and anti-bending interlayer type thermal restoration pipe which sequentially comprises a thermal restoration pipe body, a reinforcing interlayer and a tensile and anti-bending surface layer from inside to outside; the tensile and anti-bending surface layer sequentially comprises a waterproof layer, a grid layer and an inner layer substrate from outside to inside; the reinforced interlayer is a reinforced grid layer. The invention provides a brand-new thermal restoration pipe, which has excellent bonding strength, tensile strength and fracture resistance, and ensures the durability of a thermal restoration pipe body; a brand-new tensile anti-bending surface layer is designed, good waterproof and gas-insulating properties are achieved for the thermal power restoration pipe body in the thermal power restoration pipe body, and good thermal power transmission of the thermal power restoration pipe body can be guaranteed on the basis of effectively preventing external moisture from permeating; the extrusion and damage of the heat insulation material caused by factors such as surface construction and the like can be effectively avoided, and the heat insulation and gas insulation performance is influenced; the whole structure is novel, the production and the manufacture are convenient, and the market prospect is good.

Description

Tensile and anti-bending interlayer type thermal restoration pipe

Technical Field

The invention belongs to the technical field of pipelines, and particularly relates to a tensile and anti-bending sandwich type thermal repair pipe.

Background

The thermal power repair pipe is a pipeline for conveying steam and superheated water, and the corrosion to the pipeline is serious due to high temperature and high pressure of a conveyed medium. Conventional pipelines are metal and, as the laying ages, damage and aging to varying degrees have begun to occur. Meanwhile, due to factors such as crustal movement or surface construction, the conveying pipeline can be stretched or bent in a moving mode, and the use safety of the conveying pipeline is affected. Therefore, the mode that a small pipe penetrates through a large pipe is adopted in the conventional thermal power pipeline repairing, the small thermal power repairing pipeline is sleeved in the original pipeline, and the internal thermal power repairing pipe cannot be influenced even if the external conveying pipeline is stretched and bent. Because the heat distribution pipeline is mostly a metal pipeline, the heat transfer is fast, and the original heat preservation measure is to cover a layer of heat preservation material outside the metal pipeline to prevent the heat loss. But the heat preservation effect of the heat preservation pipe is reduced along with damage of the heat preservation pipe after long-term use. Even if a certain heat-insulating material is added between the conveying pipeline and the thermal restoration pipe, the long-term use of the heat-insulating material still has good durability, air tightness and heat-insulating property. Most importantly, it is more difficult to periodically replace the insulation material due to factors such as the terrain and location of the thermal rehabilitation vessel.

Therefore, it is an urgent need to solve the above problems by those skilled in the art to develop a thermal repairing tube with excellent tensile strength and good thermal insulation and gas-barrier properties.

Disclosure of Invention

In order to solve the problems, the invention discloses a tensile and anti-bending sandwich type thermal repair pipe.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a tensile and anti-bending sandwich type thermal restoration pipe comprises a thermal restoration pipe body, a reinforcing interlayer and a tensile and anti-bending surface layer from inside to outside in sequence; the tensile and anti-bending surface layer sequentially comprises a waterproof layer, a grid layer and an inner layer substrate from outside to inside; the reinforced interlayer is a reinforced grid layer.

Further, the inner layer substrate is a silica aerogel substrate layer.

Further, the grid layer is a non-woven fabric grid layer or a fiber silk grid layer.

Further, the waterproof layer is a coating waterproof layer.

Furthermore, the reinforced interlayer is a grid layer formed by cross weaving reinforced carbon long fibers.

Furthermore, the reinforced carbon long fiber is formed by interweaving two strands of carbon long fibers, and the feeding angles of the two strands of carbon long fibers are 45 degrees and 135 degrees respectively.

Furthermore, the surface of the thermal power restoration pipe body and the inner side surface of the inner layer substrate are provided with guide grooves matched with the reinforcing interlayer.

Further, the guide groove is an arc-shaped groove, and an arc formed by a radial section of the guide groove is a minor arc.

Further, the installation method of the reinforced interlayer comprises the following steps: heating the surface of the thermal repairing pipe body and the inner side surface of the inner layer substrate at the same time, and filling the reinforcing interlayer between the surface of the thermal repairing pipe body and the inner side surface of the inner layer substrate when flowing deformation occurs; and after stopping heating, cooling and integrally forming.

The invention has the beneficial effects that:

1. the brand new thermal restoration pipe has excellent bonding strength, tensile strength and bending resistance, and the thermal restoration pipe body is ensured to be durable;

2. a brand-new tensile anti-bending surface layer is designed, good waterproof and gas-barrier properties are achieved for the thermal power restoration pipe body inside, and good thermal power transmission of the thermal power restoration pipe body can be guaranteed on the basis of effectively preventing external moisture from permeating;

3. the extrusion and damage of the heat insulation material caused by factors such as surface construction and the like can be effectively avoided, and the heat insulation and gas insulation performance is influenced;

4. the whole structure is novel, the production and the manufacture are convenient, and the market prospect is good.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

List of reference symbols: the thermal repairing pipe body 1, the reinforcing interlayer 2, the waterproof layer 31, the grid layer 32 and the inner layer substrate 33.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.

Example 1:

as shown in fig. 1, which is a schematic structural diagram of the present invention, the present embodiment is a tensile and anti-bending interlayer type thermal repairing pipe, which sequentially includes a thermal repairing pipe body 1, a reinforcing interlayer 2, and a tensile and anti-bending surface layer from inside to outside.

The tensile and anti-bending surface layer sequentially comprises a waterproof layer 31, a grid layer 32 and an inner layer substrate 33 from outside to inside.

The waterproof layer 31 is a film waterproof layer, the mesh layer 32 is a non-woven fabric mesh layer, and the inner-layer substrate 33 is a silica aerogel substrate layer.

The surface of the thermal power restoration pipe body 1 and the inner side surface of the inner-layer substrate 33 are provided with guide grooves matched with the reinforcing interlayer 2, the guide grooves are arc-shaped grooves, and the arc formed by the radial sections of the guide grooves is a minor arc.

The reinforced interlayer 2 is arranged between the two guide grooves, and the reinforced interlayer 2 is a reinforced grid layer, in particular a grid layer formed by cross weaving of reinforced carbon long fibers; the reinforced carbon long fiber consists of two interwoven carbon long fibers, and the feeding angles of the two interwoven carbon long fibers are 45 degrees and 135 degrees respectively.

Because the inner end and the outer end of the reinforced interlayer 2 are installed in the two arc-shaped guide grooves in minor arcs in a matching manner, a certain interlayer can be formed between the thermal power repair pipe body 1 and the inner layer substrate 33 through the thickness of the reinforced interlayer 2, and good heat preservation and gas insulation performance is further achieved.

Example 2:

the embodiment is a tensile and anti-bending interlayer type thermal restoration pipe, which sequentially comprises a thermal restoration pipe body 1, a reinforcing interlayer 2 and a tensile and anti-bending surface layer from inside to outside.

The waterproof layer 31 is a film waterproof layer, the mesh layer 32 is a fiber mesh layer, and the inner layer substrate 33 is a silica aerogel substrate layer.

The reinforced interlayer 2 is arranged between the two guide grooves, and the reinforced interlayer 2 is a reinforced grid layer, in particular a grid layer formed by cross weaving of reinforced carbon long fibers; the reinforced carbon long fiber is formed by interweaving two strands of carbon long fibers, and the feeding angles of the two strands of carbon long fibers are 45 degrees and 135 degrees respectively.

Example 3:

the present embodiment provides a specific mounting method based on embodiments 1 and 2:

1. preparing materials required by the thermal repairing pipe body 1 and the tensile anti-bending surface layer according to the size of the required thermal repairing pipe; 2. The waterproof layer 31, the grid layer 32 and the inner layer substrate 33 are bonded together in sequence from outside to inside to form a tensile and anti-bending surface layer;

3. simultaneously heating the surface of the thermal power repairing pipe body 1 and the inner side surface of the inner layer substrate 33, and filling the reinforcing interlayer 2 between the surface of the thermal power repairing pipe body 1 and the inner side surface of the inner layer substrate 33 when flowing deformation occurs;

4. stopping heating, and cooling to integrally form.

It should be noted that the above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and it is obvious to those skilled in the art that several modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations fall within the protection scope of the claims of the present invention.

Claims

1. The utility model provides a tensile anti-folding intermediate layer formula thermal repair pipe which characterized in that: the thermal repairing pipe sequentially comprises a thermal repairing pipe body (1), a reinforcing interlayer (2) and a tensile and anti-bending surface layer from inside to outside; the tensile and anti-bending surface layer sequentially comprises a waterproof layer (31), a grid layer (32) and an inner layer substrate (33) from outside to inside; the reinforced interlayer (2) is a reinforced grid layer.

2. A tensile and rupture resistant sandwich type thermal repair tube as set forth in claim 1, wherein: the inner layer substrate (33) is a silica aerogel substrate layer.

3. A tensile and rupture resistant sandwich type thermal repair tube as set forth in claim 2, wherein: the grid layer (32) is a non-woven fabric grid layer or a fiber silk grid layer.

4. A tensile and rupture resistant sandwich type thermal repair tube as set forth in claim 3, wherein: the waterproof layer (31) is a coating waterproof layer.

5. A tensile and rupture resistant sandwich-type thermal repair tube according to claim 1, wherein: the reinforced interlayer (2) is a grid layer formed by cross weaving reinforced carbon long fibers.

6. A tensile and rupture resistant sandwich type thermal repair tube as set forth in claim 5, wherein: the reinforced carbon long fiber is formed by interweaving two strands of carbon long fibers, and the feeding angles of the two strands of carbon long fibers are 45 degrees and 135 degrees respectively.

7. A tensile and rupture resistant sandwich type thermal repair tube as set forth in claim 1, wherein: the surface of the thermal power restoration pipe body (1) and the inner side surface of the inner layer substrate (33) are provided with guide grooves matched with the reinforcing interlayer (2).

8. A tensile and fracture resistant sandwich thermal repair tube according to claim 7, wherein: the guide groove is an arc-shaped groove, and an arc formed by the radial section of the guide groove is a minor arc.