Thermal insulation pipe structure formed by pouring perlite particles wrapped with aerogel in vacuum mode

Abstract

The utility model provides an aerogel vacuum wrapped perlite particle pouring thermal insulation pipe structure, which relates to the technical field of thermal insulation structures, and comprises an outer pipe and an inner pipe, and a thermal insulation layer is filled between the outer pipe and the inner pipe; the space between the inner pipe and the outer pipe can be freely limited, the working procedures of constructing and wrapping the inner pipe are reduced in the mode of pouring the heat preservation layer, the construction convenience of the heat preservation pipe structure is greatly improved, the space between the outer pipe and the inner pipe can be reduced, and the size of the whole heat preservation pipe structure can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat preservation structure especially relates to a kind of aerogel vacuum wrapping perlite particle irrigation heat preservation pipe structure. BACKGROUND

[0002] With the development of materials, more and more thermal insulation materials are developed, thermal insulation materials can be used for thermal insulation of special pipes, walls and ships and other equipment, most of the existing insulation materials are formed by winding and wrapping to form a thermal insulation layer, so as to achieve the heat preservation effect, in the common pipe heat preservation structure, working pipe, protective layer, inorganic insulation layer, organic insulation layer and outer protective tube are composed, the protective layer is 5-25mm thick aerogel, the inorganic insulation layer is 20-100mm thick calcium silicate tile, the organic insulation layer is 20-500mm thick polyurethane foaming layer, the protective layer and the inorganic insulation layer are respectively coated with aluminum foil as reflective layer, the whole heat preservation pipe structure has more levels of wrapping, the protective layer between outer pipe and inner pipe is more, and the construction needs to be wrapped in turn, which increases the difficulty of pipe heat preservation layer construction. SUMMARY

[0003] The utility model provides a kind of aerogel vacuum wrapping perlite particle irrigation heat preservation pipe structure to solve the problem of heat preservation layer construction between heat preservation pipe structure to solve the technical problem that the utility model wants to solve.

[0004] Based on the technical problems in the background art, the utility model provides an aerogel vacuum wrapping perlite particle irrigation heat preservation pipe structure, which comprises an outer pipe and an inner pipe forming a sandwich with the outer pipe in the outer pipe.

[0005] Preferably, the outer pipe is circumferentially arranged with a support plate that can support the inner pipe, and the number of support plates is at least two.

[0006] Preferably, one side of the support plate towards the axis of the outer pipe is provided with an arc plate that fits the outer side of the inner pipe.

[0007] Preferably, the support plate is hollowed out with a plurality of holes.

[0008] Preferably, the thermal insulation layer is a vacuum mixture of perlite particles and aerogel.

[0009] Preferably, the diameter of the perlite particles is 3-5mm.

[0010] Compared with the prior art, the aerogel vacuum wrapping perlite particle irrigation heat preservation pipe structure of the utility model adopts the above technical scheme, and achieves the following technical effects:

[0011] The utility model discloses can freely restrict the space between inner tube and appearance, reduce the process of construction package inner tube through the mode of pouring the heat preservation layer, greatly increase the convenience of heat preservation pipe structure construction, the utility model discloses can reduce the space between outer tube and inner tube, reduce the volume of whole heat preservation pipe structure. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of filling heat preservation layer of the utility model;

[0013] Figure 2 It is the structure schematic diagram of outer tube and inner tube of the utility model.

[0014] In the drawing: 1, outer tube;2, inner tube;3, heat preservation layer;11, support plate;12, arc plate;111, hole. DETAILED DESCRIPTION

[0015] In the utility model, unless another definite provision and limit, the term " install " " link " " connect " " fixed " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can pass through the indirect connection of intermediate medium, can be the intercommunication of two elements or the interaction of two elements, unless another definite limit. For ordinary skilled person in the art, the concrete meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0016] In the utility model, unless another definite provision and limit, the first feature is " on " or " under " the second feature, can be the direct contact of the first and second features, or the indirect contact of the first and second features through intermediate medium. Moreover, the first feature can be directly above or obliquely above the second feature, or just indicate that the horizontal height of the first feature is higher than the second feature. The first feature can be directly below or obliquely below the second feature, or just indicate that the horizontal height of the first feature is less than the second feature.

[0017] EMBODIMENT

[0018] Please refer to Figures 1-2 The utility model discloses a kind of aerogel vacuum wrapping perlite particle irrigation heat preservation pipe structures, including outer tube 1 and the inner tube 2 in outer tube 1 with outer tube 1 form interlayer, interlayer is filled with heat preservation layer 3;In the present scheme, heat preservation layer 3 is the gelatinous mixture formed by perlite particle and aerogel, its fluidity can fill the interlayer between inner tube 2 and outer tube 1, heat preservation layer 3 can provide support and buffering effect after solidification to interlayer, simultaneously can form heat preservation effect to inner tube 2.

[0019] In further embodiments, the interlayer between the outer tube 1 and the inner tube 2 can be controlled by increasing the inner diameter of the outer tube 1, and the filled insulation layer 3 in the interlayer can effectively reduce the volume of the overall structure, reduce the space occupation, and can cope with the required shape change.

[0020] In specific embodiments, referring to Figure 1 , Figure 2 , the outer tube 1 is circumferentially arranged with a support plate 11 that can support the inner tube 2, and the number of support plates 11 is at least two; in this scheme, the support plate 11 can correct the position of the inner tube 2 in the outer tube 1, so that the axis between the inner tube 2 and the outer tube 1 coincides, and the spacing between the inner tube 2 and the outer tube 1 can be kept consistent, ensuring the uniformity of the inner tube 2 insulation; further, the number of support plates 11 in the present application is two, which can be increased, and two is the best, the fewer the number can reduce the occupation of the interlayer space by the support plate 11, improve the volume of the insulation layer 3, and thus improve the insulation effect.

[0021] In specific embodiments, referring to Figure 1 , Figure 2 , the side of the support plate 11 facing the axis of the outer tube 1 is provided with an arc plate 12 abutting the outer side of the inner tube 2; in this scheme, the arc plate 12 can better support the inner tube 2 and improve the stability of the inner tube 2 support.

[0022] In specific embodiments, referring to Figure 1 , Figure 2 , the support plate 11 is hollowed out with a plurality of holes 111; in this scheme, the support plate 11 also has a certain thickness, and the holes 111 can increase the volume of the insulation layer 3 filled in the interlayer, can increase the insulation effect, and can also prevent excessive heat conduction through the support plate 11 as a medium.

[0023] In specific embodiments, referring to Figure 1 , Figure 2 , the insulation layer 3 is a vacuum mixture of perlite particles and aerogel, the diameter of the perlite particles is 3mm-5mm, and the thermal conductivity of the insulation layer 3 is less than

[0024] 0.040W / (m·K).

[0025] The above is only the preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art within the technical scope disclosed by the present application, according to the technical scheme and the inventive concept of the present application, can be equivalent to replace or change, should be covered within the protection scope of the present application.

Claims

1. An aerogel vacuum-jacketed perlite particle granular insulating pipe structure, characterized by, The outer tube (1) and the inner tube (2) form a sandwich, and the sandwich is filled with the heat insulation layer (3).

2. Aerogel vacuum-jacketed perlite particle insulating pipe structure according to claim 1, characterized in that, The support plates (11) are arranged circumferentially in the outer tube (1) to support the inner tube (2), and the number of the support plates (11) is at least two.

3. Aerogel vacuum-jacketed perlite particle insulating pipe structure according to claim 2, characterized in that, One side of the support plate (11) towards the axis of the outer tube (1) is provided with the arc plate (12) which is attached to the outer side of the inner tube (2).

4. Aerogel vacuum-jacketed perlite particle insulating pipe structure according to claim 2, characterized in that, The support plate (11) is hollowed out with a plurality of holes (111).

5. Aerogel vacuum-jacketed perlite particle insulating pipe structure according to claim 1, characterized in that, The heat insulation layer (3) is a vacuum mixture of perlite particles and aerogel.

6. Aerogel vacuum-jacketed perlite particle insulating pipe structure according to claim 5, characterized in that, The diameter of the perlite particles is 3mm-5mm.

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