CN216143305U - Prefabricated built on stilts insulating tube convenient to production - Google Patents

Abstract

The utility model discloses a prefabricated overhead thermal insulation pipe convenient to produce, which comprises a working pipe and a protection pipe, wherein an inner thermal insulation pipe is arranged outside the working pipe, an outer thermal insulation pipe is arranged outside the inner thermal insulation pipe, the protection pipe is arranged outside the outer thermal insulation pipe, a foaming pore channel is arranged at the joint of the inner thermal insulation pipe and the outer thermal insulation pipe, the inner thermal insulation pipe comprises an anti-corrosion layer, one side of the anti-corrosion layer is provided with a compression layer, one side of the compression layer is provided with a thermal insulation layer, one side of the thermal insulation layer is provided with a thermal insulation layer, the working pipe is arranged inside the inner thermal insulation pipe, the inner thermal insulation pipe and the outer thermal insulation pipe are the same in size, the outer thermal insulation pipe is arranged between the inner thermal insulation pipe and the protection pipe, the surface of the protection pipe is coated with anti-corrosion coating, the foaming pore channels are uniformly arranged at the joint of the inner thermal insulation pipe and the outer thermal insulation pipe, the foaming pore channels are arranged in sixteen, and the structures such as the inner thermal insulation pipe, the outer thermal insulation pipe and the protection pipe are arranged, the heat insulation performance of the working pipe is improved, and the practicability of the prefabricated overhead heat insulation pipe is enhanced.

Description

Prefabricated built on stilts insulating tube convenient to production

Technical Field

The utility model belongs to the technical field of prefabricated overhead heat-insulating pipes, and particularly relates to a prefabricated overhead heat-insulating pipe convenient to produce.

Background

The prefabricated overhead heat-insulating pipe has the advantages that the polyurethane rigid foam heat-insulating layer is tightly adhered to the outer skin of the steel pipe, so that air and water are isolated from permeating, a good corrosion-resistant effect can be achieved, meanwhile, the foaming holes of the prefabricated overhead heat-insulating pipe are closed, the water absorption is low, the high-density polyethylene shell and the glass fiber reinforced plastic shell have good corrosion resistance, insulation and mechanical properties, so that the outer skin of the working steel pipe is hardly corroded by outside air and water, as long as the water quality inside the pipeline is well treated, according to the introduction of foreign materials, the service life of the high-temperature prefabricated direct-buried heat-insulating pipe can reach more than 50 years, and is 3 to 4 times longer than that of the traditional trench laying and overhead laying.

The existing prefabricated overhead heat-insulating pipe technology has the following problems: the heat dissipation of the existing prefabricated overhead heat-insulating pipe is fast, and meanwhile, the corrosion resistance is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prefabricated overhead heat-insulating pipe convenient to produce, and aims to solve the problems that the prefabricated overhead heat-insulating pipe provided by the background art is high in heat dissipation speed and low in corrosion resistance.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prefabricated built on stilts insulating tube convenient to production, includes work pipe and protection tube, and work outside of tubes portion is provided with interior insulating tube, and interior insulating tube outside is provided with outer insulating tube, and outer insulating tube outside is provided with the protection tube, and interior insulating tube and outer insulating tube junction are provided with the foaming pore, include corrosion resistant layer on the interior insulating tube, and corrosion resistant layer one side is provided with the resistance to compression layer, and resistance to compression layer one side is provided with the insulating layer, and insulating layer one side is provided with the heat preservation.

Preferably, the working pipe is arranged inside the inner heat-insulating pipe, the inner heat-insulating pipe and the outer heat-insulating pipe are the same in size, the outer heat-insulating pipe is arranged between the inner heat-insulating pipe and the protective pipe, and the surface of the protective pipe is coated with corrosion-resistant paint.

Preferably, the foaming pore canals are uniformly arranged at the joint of the inner heat-insulating pipe and the outer heat-insulating pipe, and the total number of the foaming pore canals is sixteen.

Preferably, the protection pipe may be a high density polyethylene housing or a glass fiber reinforced plastic housing.

Preferably, the working pipe is a steel pipe, and the heat-insulating layer is a calcium carbonate heat-insulating layer.

Preferably, an aluminum foil layer is arranged at the joint of the outer heat preservation pipe and the protection pipe.

Compared with the prior art, the utility model provides a prefabricated overhead heat-insulating pipe convenient to produce, which has the following beneficial effects:

1. according to the utility model, through the matching of the inner heat-insulating pipe and the outer heat-insulating pipe, the working pipe is protected by a double-layer pipeline, and the heat loss in the working pipe is reduced.

2. According to the utility model, through the matching of the inner heat-insulating pipe, the outer heat-insulating pipe and the foaming hole, the gap between the inner heat-insulating pipe and the outer heat-insulating pipe is reduced, and the sealing property between the inner heat-insulating pipe and the outer heat-insulating pipe is enhanced.

3. The corrosion resistance of the inner heat-insulating pipe is enhanced by the matching of the corrosion-resistant layer, the pressure-resistant layer and other structures.

The problems of fast heat dissipation and weak corrosion resistance of the prefabricated overhead heat-insulating pipe are effectively solved by the matching of structures such as an inner heat-insulating pipe, an outer heat-insulating pipe, a protection pipe, a foaming pore passage, a corrosion-resistant layer, a pressure-resistant layer, a heat-insulating layer and the like, the problems of fast heat dissipation and weak corrosion resistance of the prefabricated overhead heat-insulating pipe are solved by arranging the inner heat-insulating pipe outside the working pipe, arranging the outer heat-insulating pipe outside the inner heat-insulating pipe, arranging the foaming pore passage at the joint of the inner heat-insulating pipe and the outer heat-insulating pipe, arranging the corrosion-resistant layer on the inner heat-insulating pipe, arranging the pressure-resistant layer on one side of the corrosion-resistant layer, arranging the heat-insulating layer on one side of the heat-insulating layer, arranging the inner heat-insulating pipe and the outer heat-insulating pipe outside the working pipe, thereby enhancing the heat insulation performance of the working pipe, effectively ensuring the original characteristics of the external material when transporting the external material, and arranging the corrosion-resistant layer on the inner heat-insulating pipe, the corrosion resistance of interior insulating tube has been strengthened, and the hardness of interior insulating tube has been strengthened in the setting on resistance to compression layer, after interior insulating tube and outer insulating tube connect, pours into the foaming material into through the foaming pore, and the leakproofness between insulating tube and the outer insulating tube in the reinforcing reduces thermal dissipation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of an overall structure according to the present invention;

FIG. 2 is a schematic view of the structure of the position of the foamed cells according to the present invention;

FIG. 3 is a schematic view of an inner insulating tube structure according to the present invention;

in the figure: 1. a working pipe; 2. an inner insulating tube; 3. an outer insulating tube; 4. protecting the tube; 5. a foamed channel; 6. a corrosion-resistant layer; 7. a pressure resistant layer; 8. a thermal insulation layer; 9. and (7) an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The column one

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a prefabricated overhead thermal insulation pipe convenient to produce comprises a working pipe 1 and a protection pipe 4, wherein an inner thermal insulation pipe 2 is arranged outside the working pipe 1, an outer thermal insulation pipe 3 is arranged outside the inner thermal insulation pipe 2, the protection pipe 4 is arranged outside the outer thermal insulation pipe 3, a foaming pore passage 5 is arranged at the joint of the inner thermal insulation pipe 2 and the outer thermal insulation pipe 3, the inner thermal insulation pipe 2 comprises a corrosion-resistant layer 6, a pressure-resistant layer 7 is arranged on one side of the corrosion-resistant layer 6, a thermal insulation layer 8 is arranged on one side of the pressure-resistant layer 7, a thermal insulation layer 9 is arranged on one side of the thermal insulation layer 8, the heat insulation performance of the working pipe 1 is enhanced by arranging the inner thermal insulation pipe 2 and the outer thermal insulation pipe 3 outside the working pipe 1, so that the original characteristics of an outer material can be effectively guaranteed when the outer material is transported, meanwhile, the corrosion-resistant layer 6 arranged on the inner thermal insulation pipe 2 enhances the corrosion resistance of the inner thermal insulation pipe 2, the arrangement of the pressure-resistant layer 7 enhances the hardness of the inner thermal insulation pipe 2, after the inner heat-insulating pipe 2 and the outer heat-insulating pipe 3 are connected, the foaming material is injected through the foaming pore channel 5, so that the sealing property between the inner heat-insulating pipe 2 and the outer heat-insulating pipe 3 is enhanced, and the heat dissipation is reduced.

The column two

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides a prefabricated built on stilts insulating tube convenient to production, work pipe 1 is as for the inside of interior insulating tube 2, interior insulating tube 2 is the same with the size of outer insulating tube 3, between insulating tube 2 and the protection tube 4 including outer insulating tube 3 sets up, protection tube 4 surface scribbles corrosion resistant coating, even protection tube 4 buries in the underground like this, also can not corroded easily, the life of protection tube 4 has been strengthened, insulating tube 2 and the 3 junction of outer insulating tube including foaming pore 5 evenly sets up, foaming pore 5 sets up sixteen altogether, protection tube 4 can be high density polyethylene shell or glass steel shell, work pipe 1 is the steel pipe, heat preservation 9 is the calcium carbonate heat preservation, the junction of outer insulating tube 3 and protection tube 4 is provided with the aluminium foil layer, through the aluminium foil layer that sets up, reduce the adverse effect that thermal radiation brought.

The working principle and the using process of the utility model are as follows: after the device is installed, whether each structure is installed tightly or not is checked, whether potential safety hazards exist or not is checked, the device is placed in a safe position after the device is checked, when the device needs to be used, the structure of the device needs to be connected, the device comprises a working pipe 1 and a protection pipe 4, an inner heat insulation pipe 2 is arranged outside the working pipe 1, an outer heat insulation pipe 3 is arranged outside the inner heat insulation pipe 2, a protection pipe 4 is arranged outside the outer heat insulation pipe 3, a foaming pore passage 5 is arranged at the joint of the inner heat insulation pipe 2 and the outer heat insulation pipe 3, an anti-corrosion layer 6 is arranged on the inner heat insulation pipe 2, a pressure-resistant layer 7 is arranged on one side of the anti-corrosion layer 6, a heat-insulating layer 8 is arranged on one side of the pressure-resistant layer 7, a heat insulating layer 9 is arranged on one side of the heat insulating layer 8, the working pipe 1 is arranged at the innermost part, the working pipe 1 is mainly used for transmitting external substances such as gas or liquid, and when the gas or liquid is transmitted, the temperature of the liquid needs to be ensured to be constant, and ensures that heat is not easily dissipated.

Firstly, the inner heat preservation pipe 2 is arranged outside the working pipe 1, the corrosion-resistant layer 6 arranged on the inner heat preservation pipe 2 strengthens the corrosion resistance of the inner heat preservation pipe 2, the compression-resistant layer 7 is arranged to strengthen the hardness of the inner heat preservation pipe 2, the heat-insulating layer 8 and the heat-insulating layer 9 are matched with each other, so that the heat dissipation when the working pipe 1 transports substances is reduced, when the inner heat preservation pipe 2 is installed and introduced, the outer heat preservation pipe 3 can be installed on the inner heat preservation pipe 2, so that the heat preservation performance of the working pipe 1 is enhanced, the foaming pore channel 5 is arranged at the joint of the inner heat preservation pipe 2 and the outer heat preservation pipe 3, so that the foaming pore channel 5 can be injected with foaming liquid, the sealing performance between the inner heat preservation pipe 2 and the outer heat preservation pipe 3 is enhanced, the inner heat preservation pipe 2 and the outer heat preservation pipe 3 are connected more firmly, then the protection pipe 4 is installed on the outer heat preservation pipe 3, and the protection pipe 4 mainly plays a role in protecting the outer heat preservation pipe 3, and the hardness of the protection pipe 4 is higher, so that the outer heat preservation pipe 3 can be protected from being deformed easily, and the service life of the working pipe 1 is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prefabricated built on stilts insulating tube convenient to production, includes working tube (1) and protection tube (4), its characterized in that: the utility model discloses a thermal insulation structure, including working pipe (1), working pipe (1) outside is provided with interior insulating tube (2), interior insulating tube (2) outside is provided with outer insulating tube (3), outer insulating tube (3) outside is provided with protection tube (4), interior insulating tube (2) and outer insulating tube (3) junction are provided with foaming pore (5), including corrosion-resistant layer (6) on interior insulating tube (2), corrosion-resistant layer (6) one side is provided with compressive layer (7), compressive layer (7) one side is provided with insulating layer (8), insulating layer (8) one side is provided with heat preservation (9).

2. The prefabricated overhead insulating pipe convenient to produce of claim 1, characterized in that: the working pipe (1) is arranged inside the inner heat-insulating pipe (2), the inner heat-insulating pipe (2) and the outer heat-insulating pipe (3) are the same in size, the outer heat-insulating pipe (3) is arranged between the inner heat-insulating pipe (2) and the protective pipe (4), and the surface of the protective pipe (4) is coated with corrosion-resistant paint.

3. The prefabricated overhead insulating pipe convenient to produce of claim 1, characterized in that: the foaming pore canal (5) is uniformly arranged at the joint of the inner heat-insulating pipe (2) and the outer heat-insulating pipe (3), and the foaming pore canal (5) is provided with sixteen channels.

4. The prefabricated overhead insulating pipe convenient to produce of claim 1, characterized in that: the protection tube (4) can be a high density polyethylene shell or a glass fiber reinforced plastic shell.

5. The prefabricated overhead insulating pipe convenient to produce of claim 1, characterized in that: the working pipe (1) is a steel pipe, and the heat-insulating layer (9) is a calcium carbonate heat-insulating layer.

6. The prefabricated overhead insulating pipe convenient to produce of claim 1, characterized in that: and an aluminum foil layer is arranged at the joint of the outer heat-insulating pipe (3) and the protection pipe (4).

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