CN218510443U

CN218510443U - Prefabricated direct-burried insulating tube of high density polyethylene

Info

Publication number: CN218510443U
Application number: CN202221854068.2U
Authority: CN
Inventors: 徐特; 徐树德; 徐立祥
Original assignee: Hebei Rongtai Pipeline Insulation Engineering Co ltd
Current assignee: Hebei Rongtai Pipeline Insulation Engineering Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-02-21
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a prefabricated direct-burried insulating tube of high density polyethylene relates to power line and lays the field, including the insulating tube, the insulating tube adopts the pipeline body to make for the main part, the fixed surface of pipeline body is connected with cold-resistant layer, the inner wall fixedly connected with heat preservation of pipeline body, four sides of heat preservation inner wall all are provided with the backup pad, and are a plurality of it has the heat preservation filling layer all to fill between the backup pad, cold-resistant layer is because winter protection cloth and whitewash constitute jointly, the heat preservation is made for the cotton material that keeps warm. The utility model discloses can carry out fine heat preservation to the circuit that the insulating tube inner wall was placed and handle, ensure that the circuit still can obtain fine heat preservation effect under chilly condition, make its high-efficient quick operation to and can carry out fine protection to insulating tube self, improved the result of use of insulating tube.

Description

Prefabricated direct-burried insulating tube of high density polyethylene

Technical Field

The utility model relates to a power line lays the field, in particular to prefabricated direct-burried insulating tube of high density polyethylene.

Background

At present, high-density polyethylene materials are generally used when the thermal insulation pipe is manufactured, when a pipeline line is laid, a thermal insulation pipeline is generally required to be arranged on the outer side, high-molecular-weight high-density polyethylene is a polyethylene polymer which is polymerized by adopting a slurry method or a gas phase method under the conditions of low pressure (0.48-3.1 MPa) and low temperature (80-110 ℃) in the presence of a high-efficiency catalyst of a Ziegler type or a Phillips type, the high-molecular-weight high-density polyethylene is one of new varieties of polyethylene, has an average molecular weight of 20-50 ten thousand and can be divided into homopolymers and copolymers, the thermal insulation pipe is short for a thermal insulation pipeline, and is used for conveying liquid, gas and other media and insulating heat in thermal insulation engineering of pipelines of petroleum, chemical engineering, aerospace, hot spring-military, centralized heat supply, central air conditioning, municipal engineering and the like.

When the existing heat-insulating pipeline is used, heat-insulating paint and a heat-insulating film are generally directly wound or coated on the outer side of the pipeline, so that the heat-insulating effect is very low, and the ideal heat-insulating effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated direct-burried insulating tube of high density polyethylene to the insulating tube who proposes in solving above-mentioned background art generally all directly twines or paints insulation coating and heat preservation membrane in the pipeline outside when using, and such heat preservation effect is very low, is not reaching the problem of the heat preservation effect of ideal.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a prefabricated direct-burried insulating tube of high density polyethylene, includes the insulating tube, the insulating tube adopts the pipeline body to make as the main part, the fixed surface of pipeline body is connected with cold-resistant layer, the inner wall fixedly connected with heat preservation of pipeline body, four sides of heat preservation inner wall all are provided with the backup pad, and it has the heat preservation filling layer all to fill between a plurality of the backup pad, cold-resistant layer comprises winter protection cloth and whitewash jointly, the heat preservation is made for the cotton material of heat preservation.

Preferably, the whitewash is paintd on the surface of pipeline body, contains a large amount of bactericidal composition in the whitewash, can play the effect of disinfecting to ensure that pipeline surface can not produce the rusty condition, and have the effect that prevents suntan and freeze injury, make the function of winter protection sun-proof showing, the winter protection cloth twines pipeline body surface after painting, and winter protection cloth toughness is good, can prevent to take place to damage in long-time use, and when being in low temperature environment, can promote about the intraductal temperature 6 degrees of membrane, has effectively improved the inside temperature of insulating tube.

Preferably, it is a plurality of the common fixedly connected with inner wire pipe in heat preservation one side is kept away from to the backup pad, it is a plurality of the backup pad is made with the inner wire pipe steel material.

Preferably, a plurality of the heat-insulating filling layers are made of heat-insulating mortar materials.

Preferably, the front side of the pipeline body is provided with a protruding connecting ring, and the rear side of the pipeline body is provided with an annular connecting groove.

Preferably, a sealing gasket is arranged on the front side of the surface of the pipeline body, and the sealing gasket is made of a natural rubber material.

The utility model discloses a technological effect and advantage:

1. through setting up pipeline body, cold-resistant layer, heat preservation filling layer to can carry out fine heat preservation to the circuit that the insulating tube inner wall was placed and handle, ensure that the circuit still can obtain fine heat preservation effect under chilly circumstances, make its high-efficient quick operation, and can carry out fine protection to insulating tube self, improve the result of use of insulating tube.

2. Through setting up backup pad and interior spool to can support the insulating tube and handle, make the holistic intensity of insulating tube increase, prevent that the insulating tube from taking place the condition of deformation and damage when receiving pressure, ensure the security that the insulating tube used.

3. Connect ring and annular connection groove through setting up the arch to can make the insulating tube can carry out fine butt joint when interconnect and handle, make the insulating tube can be quick accurate when interconnect communicate, through setting up sealed the pad, thereby can seal the processing to the junction when the insulating tube interconnect, prevent that external rainwater is gaseous to enter into the insulating tube inside of connecting through the gap.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic front structural view of the present invention.

Fig. 3 is a schematic view of the top-view cross-sectional structure of the present invention.

In the figure: 1. a pipe body; 2. a cold-resistant layer; 3. a heat-insulating layer; 4. a support plate; 5. an inner conduit; 6. A heat-insulating filling layer; 7. a convex connecting ring; 8. an annular connecting groove; 9. and a gasket.

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.

The utility model provides a prefabricated direct-burried insulating tube of high density polyethylene as shown in fig. 1-3, including the insulating tube, the insulating tube adopts pipeline body 1 to make for the main part, pipeline body 1's fixed surface is connected with cold-resistant layer 2, pipeline body 1's inner wall fixedly connected with heat preservation 3, four sides of 3 inner walls of heat preservation all are provided with backup pad 4, it has heat preservation filling layer 6 all to fill between a plurality of backup pads 4, cold-resistant layer 2 comprises winter protection cloth and scribble white agent jointly, heat preservation 3 is made for the cotton material that keeps warm, can carry out fine heat preservation to the circuit that the insulating tube inner wall was placed, ensure that the circuit still can obtain fine heat preservation effect under the chilly condition, make its high-efficient quick operation, and can carry out fine protection to insulating tube self, the result of use of insulating tube is improved.

As shown in fig. 1, the whitewash is paintd on the surface of pipeline body 1, contain a large amount of bactericidal composition in the whitewash, can play the effect of disinfecting, thereby ensure that pipeline surface can not produce the rusty condition, and have the effect of preventing suntan and freeze injury, make the function of winter protection sun-proof showing, the winter protection cloth twines the pipeline body surface after painting, winter protection cloth toughness is good, can prevent to take place to damage in long-time use, and when being in low temperature environment, can promote about 6 degrees of membrane internal temperature, the inside temperature of insulating tube has effectively been improved, the front side on pipeline body 1 surface is provided with sealed pad 9, sealed pad 9 is made for natural rubber material, can carry out sealing process to the junction when insulating tube interconnect, prevent that external rainwater gas from entering into the insulating tube inside of connection through the gap.

As shown in fig. 2, 3 one side common fixedly connected with inner wire pipes 5 of heat preservation are kept away from to a plurality of backup pads 4, and a plurality of backup pads 4 and inner wire pipes 5 are steel material system, support the heat preservation pipe and handle for the holistic intensity of heat preservation pipe increases, prevents that the heat preservation pipe from taking place the condition of warping and damaging when receiving pressure, has ensured the security that the heat preservation pipe used, and a plurality of heat preservation filling layers 6 are heat preservation mortar material system, have fine heat preservation resistance to compression effect.

As shown in fig. 3, the front side of pipeline body 1 is provided with protruding connection ring 7, and the rear side of pipeline body 1 is provided with annular connection groove 8, can make the insulating tube can carry out fine butt joint processing in interconnect for the insulating tube can be fast accurate communicate in interconnect, and pipeline body 1 chooses for use honour tai insulating tube to make, chooses for use honour tai insulating tube to make the insulating tube whole have fine heat preservation effect.

The utility model discloses theory of operation: when in use, a plurality of heat preservation pipes are firstly butted with the annular connecting groove 8 through the arranged convex connecting ring 7, so that the heat preservation pipes are mutually connected and fixed, and the two communicated heat preservation pipes can be sealed by the sealing gasket 9 arranged during connection, so that no gap is generated between the heat preservation pipes, and the use effect of the heat preservation pipeline is ensured;

the cold-resistant layer 2 arranged on the surface of the heat-insulating pipe in the buffer can well obstruct external cold air, so that the heat-insulating effect of the pipeline is ensured, the heat-insulating layer 3 in the pipeline can well store and insulate heat in the pipeline, and the heat-insulating filling layer 6 on the inner wall can further store the temperature in the pipeline, so that the heat-insulating effect of the heat-insulating pipe is optimal;

and if the pipeline receives external extrusion at the in-process that uses, then the backup pad 4 that sets up can support the pipeline and handle to the heat preservation filling layer 6 of inner wall can also play fine resistance to compression power and handle, can also carry out the fixed stay to the inside interior spool 5 of pipeline at last and handle, makes the line of placing inside that interior spool 5 can be fine protect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prefabricated direct-burried insulating tube of high density polyethylene, includes the insulating tube, its characterized in that: the heat preservation pipe is manufactured by taking a pipeline body (1) as a main body, a cold-resistant layer (2) is fixedly connected to the surface of the pipeline body (1), a heat preservation layer (3) is fixedly connected to the inner wall of the pipeline body (1), supporting plates (4) are arranged on four sides of the inner wall of the heat preservation layer (3), heat preservation filling layers (6) are filled among the supporting plates (4), the cold-resistant layer (2) is composed of cold-proof cloth and a white coating agent, and the heat preservation layer (3) is made of heat preservation cotton materials.

2. The prefabricated high-density polyethylene direct-burial thermal insulation pipe as claimed in claim 1, wherein: the whitening agent is smeared on the surface of the pipeline body (1), and the cold-proof cloth is wound on the surface of the smeared pipeline body (1).

3. The prefabricated high-density polyethylene direct-burial thermal insulation pipe as claimed in claim 1, wherein: it is a plurality of the common fixedly connected with inner wire pipe (5) in heat preservation (3) one side is kept away from in backup pad (4), and is a plurality of backup pad (4) and inner wire pipe (5) are made of steel material.

4. The prefabricated high-density polyethylene direct-burial thermal insulation pipe as claimed in claim 1, wherein: and the heat-insulating filling layers (6) are all made of heat-insulating mortar materials.

5. The prefabricated high-density polyethylene direct-burial thermal insulation pipe as claimed in claim 1, wherein: the pipeline is characterized in that a protruding connecting ring (7) is arranged on the front side of the pipeline body (1), and an annular connecting groove (8) is arranged on the rear side of the pipeline body (1).

6. The prefabricated direct-burried insulating tube of high density polyethylene of claim 1, characterized in that: the front side on pipeline body (1) surface is provided with sealed pad (9), sealed pad (9) are made for the natural rubber material.