CN217328856U - Polyurethane insulating tube suitable for overhead laying - Google Patents

Abstract

The utility model relates to the field of heat preservation pipes, in particular to a polyurethane heat preservation pipe suitable for overhead laying, which comprises a core pipe, wherein a calcium silicate heat preservation layer is sleeved outside the core pipe, and a silica aerogel felt is arranged between the calcium silicate heat preservation layer and the core pipe; the polyurethane foaming layer is sleeved outside the calcium silicate heat-insulating layer, and a plastic outer protective pipe is sleeved outside the polyurethane foaming layer; the plurality of bundling wire grooves are distributed around the outer ring surface of the plastic outer protective pipe in an arrangement manner; the beneficial effects are that: the utility model provides a polyurethane thermal insulation pipe suitable for built on stilts is laid adopts the multilayer to keep warm and improves the heat preservation effect, adopts current calcium silicate heat preservation and polyurethane foaming layer to keep warm to the medium in the core pipe, and has increased silica aerogel felt outside the core pipe, promotes the pipeline heat preservation effect, and polyurethane foaming layer can not take place the carbonization; and a plurality of wiring slots are arranged on the outer ring surface of the plastic outer protective pipe to limit peripheral line bodies, so that the peripheral line bodies are prevented from being randomly arranged.

Description

Polyurethane insulating tube suitable for overhead laying

Technical Field

The utility model relates to a thermal insulation pipe field specifically is a polyurethane thermal insulation pipe suitable for built on stilts is laid.

Background

The heat-insulating pipe is suitable for conveying various media within the range of-50 ℃ to 150 ℃, and is widely applied to the heat-insulating and cold-insulating engineering of the industries of central heating, cold supply, hot oil conveying, heating rooms, cold storages, coal mines, petroleum, chemical engineering and the like.

In the prior art, some heat preservation pipes need to be laid in an overhead mode, namely, the pipelines are supported and installed by a support.

However, in the existing heat preservation pipe, an inorganic heat preservation layer and an organic heat preservation layer are usually wrapped outside a core pipe in sequence to realize heat preservation of flowing media in the core pipe, so that the heat preservation pipe has a relatively common heat preservation effect and cannot be used in occasions with relatively high requirements on the heat preservation effect, and the overhead heat preservation pipe cannot provide a bunch structure for nearby lines.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyurethane insulating tube suitable for built on stilts is laid to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a polyurethane insulating pipe suitable for aerial paving, the polyurethane insulating pipe suitable for aerial paving comprising:

the outer side of the core pipe is sleeved with a calcium silicate heat-insulating layer, and a silicon dioxide aerogel felt is arranged between the calcium silicate heat-insulating layer and the core pipe;

the polyurethane foaming layer is sleeved outside the calcium silicate heat-insulating layer, and a plastic outer protective pipe is sleeved outside the polyurethane foaming layer; and

and the plurality of bundling wire grooves are distributed around the outer ring surface of the plastic outer protective pipe in an arrangement manner.

Preferably, the bundling groove is of an isosceles trapezoid groove-shaped structure, and the length of the long edge of the bundling groove is equal to that of the long edge of the plastic outer protective pipe.

Preferably, the notch of the bundling slot is integrally formed with two groups of arc surfaces which are symmetrically distributed.

Preferably, the arc surface is provided with an elastic hoop sheet which is of an arc strip structure.

Preferably, one end of the elastic hoop sheet is provided with a connecting sheet.

Preferably, the two connecting pieces at the notch of the wire harness groove are connected through a bolt.

Preferably, the included angle between two adjacent wiring harness slots is sixty degrees.

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

the utility model provides a polyurethane thermal insulation pipe suitable for built on stilts is laid adopts the multilayer to keep warm and improves the heat preservation effect, adopts current calcium silicate heat preservation and polyurethane foaming layer to keep warm to the medium in the core pipe, and has increased silica aerogel felt outside the core pipe, promotes the pipeline heat preservation effect, and polyurethane foaming layer can not take place the carbonization; and a plurality of wiring slots are arranged on the outer ring surface of the plastic outer protective pipe to limit peripheral line bodies, so that the peripheral line bodies are prevented from being randomly arranged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the cable comprises a core pipe 1, a silica aerogel felt 2, a calcium silicate heat-insulating layer 3, a polyurethane foaming layer 4, a plastic outer protective pipe 5, a wire binding groove 6, an elastic hoop sheet 7, a connecting sheet 8 and a bolt 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are illustrative of some, but not all, embodiments of the invention and are not to be construed as limiting the scope of the invention, as those skilled in the art will recognize and appreciate that many other embodiments can be made without inventive faculty.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", 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," "second," "third," "fourth," "fifth," and "sixth" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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 a specific case to those of ordinary skill in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-2, the present invention provides a technical solution: a polyurethane thermal insulation pipe suitable for overhead laying comprises a core pipe 1, wherein a calcium silicate thermal insulation layer 3 is sleeved on the outer side of the core pipe 1, and a silica aerogel felt 2 is arranged between the calcium silicate thermal insulation layer 3 and the core pipe 1; the polyurethane foaming layer 4 is sleeved on the outer side of the calcium silicate heat-insulating layer 3, and a plastic outer protective pipe 5 is sleeved on the outer side of the polyurethane foaming layer 4;

the bunch groove 6 is equipped with a plurality ofly, and a plurality of bunch grooves 6 arrange around the outer anchor ring of plastics outer casing 5 and distribute, and bunch groove 6 is isosceles trapezoid groove-shaped structure, and bunch groove 6's long limit length equals with the long limit length of plastics outer casing 5, and bunch groove 6's notch integrated into one piece has the arc surface of two sets of symmetric distributions, is provided with spring hoop piece 7 on the arc surface, and spring hoop piece 7 is convex strip structure, and spring hoop piece 7's one end is provided with connection piece 8, and two connection pieces 8 of bunch groove 6 notch department pass through bolt 9 and connect, adjacent two the contained angle is sixty degrees between the bunch groove 6.

When the core pipe is actually used, a plurality of layers of heat preservation layers are adopted to improve the heat preservation effect, the existing calcium silicate heat preservation layer 3 and the existing polyurethane foaming layer 4 are adopted to preserve heat of media in the core pipe 1, the silica aerogel felt is added outside the core pipe, the pipeline heat preservation effect is improved, and the polyurethane foaming layer cannot be carbonized; push the cable line body into bunch groove 6, hold between the fingers a set of elastic hoop piece 7 elastic deformation of 8 stretch-draw of connection pieces of hand before pushing in, so push the line body from the breach between two elastic hoop pieces 7, after the line body pushed bunch groove 6, with the help of bolt 9 with two sets of connection pieces 8 fixed together, avoid the line body to break away from bunch groove 6 from the line body, so multiunit bunch groove 6 of plastics outer pillar 5 outer anchor ring satisfies the bunch of multiunit cable.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a polyurethane insulating tube suitable for built on stilts is laid which characterized in that: the polyurethane thermal insulation pipe suitable for overhead laying comprises:

the outer side of the core pipe (1) is sleeved with a calcium silicate heat-insulating layer (3), and a silicon dioxide aerogel felt (2) is arranged between the calcium silicate heat-insulating layer (3) and the core pipe (1);

the polyurethane foam layer (4) is sleeved on the outer side of the calcium silicate heat-insulating layer (3), and the outer side of the polyurethane foam layer (4) is sleeved with a plastic outer protective pipe (5); and

the plurality of wiring grooves (6) are arranged and distributed around the outer ring surface of the plastic outer protective pipe (5).

2. The polyurethane thermal insulation pipe suitable for aerial laying according to claim 1, wherein: the wire harness slot (6) is of an isosceles trapezoid groove-shaped structure, and the length of the long edge of the wire harness slot (6) is equal to that of the long edge of the plastic outer protective pipe (5).

3. The polyurethane thermal insulation pipe suitable for aerial laying according to claim 2, wherein: the notch of the bundling wire groove (6) is integrally formed with two groups of arc surfaces which are symmetrically distributed.

4. The polyurethane thermal insulation pipe suitable for aerial laying according to claim 3, wherein: the arc surface is provided with an elastic hoop sheet (7), and the elastic hoop sheet (7) is of an arc strip-shaped structure.

5. The polyurethane thermal insulation pipe suitable for aerial laying according to claim 4, wherein: one end of the elastic hoop sheet (7) is provided with a connecting sheet (8).

6. The polyurethane insulating pipe suitable for overhead pavement according to claim 5, wherein: two connecting pieces (8) at the notch of the wiring trough (6) are connected through bolts (9).

7. The polyurethane insulating pipe suitable for overhead pavement according to claim 1, wherein: an included angle between every two adjacent wiring harness grooves (6) is sixty degrees.

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