Convenient assembly type environment-friendly heat discoloration heat preservation pipe shell

Abstract

The utility model discloses a convenient assembly type environment-friendly thermochromic heat preservation pipe shell which comprises two semicircular plastic pipe pieces buckled on the outer wall of a pipeline and two semicircular plastic joints buckled at the joint of the two sections of plastic pipe pieces. The two end faces and the axial side end face of each plastic pipe piece are each provided with a mortise and tenon joint structure used for being buckled with each other. A thermochromic coating layer is sprayed on the outer wall of the plastic pipe sheet, and a water-based ceramic particle heat preservation type heat insulation coating layer and a loofah sponge heat preservation buffer layer are sequentially arranged on the inner wall of the plastic pipe sheet from outside to inside; two annular grooves are formed in the inner side of each plastic connector, and joint sealing strips used for sealing the two sides of a joint of the two sections of plastic pipe pieces are arranged in the annular grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline heat preservation, in particular to a conveniently assembled, environment-friendly, temperature-sensitive, color-changing, heat-insulating pipe shell. Background Art

[0002] Industrial equipment such as heat pipes, oilfield steam injection lines, and heating furnaces must employ effective thermal insulation measures to prevent burns, protect the environment, save energy, and reduce emissions and carbon emissions. Typically, these are covered with insulation materials of a certain thickness, such as rock wool felt, inorganic insulation mortar, polystyrene foam board, and polyurethane foam, and then protected with an outer layer of materials such as iron sheeting.

[0003] Traditional insulation systems have shortcomings in terms of waterproofing, crack resistance, and construction performance; organic polymer foam materials have poor flame retardancy and pose a fire hazard; thermal insulation coatings have high technical requirements for spray workers during construction and low construction efficiency. Most construction areas require protection of surrounding facilities, material losses are relatively large, and they are easily affected by weather factors. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the above-mentioned prior art and to propose a new type of convenient assembled environmentally friendly thermochromic insulation pipe shell.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A conveniently assembled, environmentally friendly, thermochromic, heat-insulating pipe shell comprises two semicircular plastic pipe segments that are interlocked with each other on the outer wall of a pipe, and two semicircular plastic joints for interlocking at the joints of the two sections of plastic pipe segments; both end faces and axial side end faces of the plastic pipe segments are respectively provided with mortise and tenon structures for interlocking with each other; the outer wall of the plastic pipe segment is sprayed with a thermochromic paint layer, and the inner wall of the plastic pipe segment is sequentially provided with a water-based ceramic particle heat-insulating heat-insulating paint layer and a loofah heat-insulating buffer layer from the outside to the inside; two annular grooves are provided on the inner side of the plastic joints, and seam sealing strips for sealing both sides of the joint of the two sections of plastic pipe segments are provided in the annular grooves.

[0007] Preferably, the mortise and tenon structure includes end V-shaped protrusions and end V-shaped grooves respectively arranged on the end faces of both ends of the plastic tube piece, and side V-shaped protrusions and side V-shaped grooves respectively arranged on the axial side end faces of the plastic tube piece.

[0008] Preferably, upper and lower protrusions are respectively provided on the inner sides of both ends of the plastic tube piece.

[0009] Preferably, the thermochromic coating layer is applied to the outer wall of the plastic tube by spraying or roller coating; the water-based ceramic particle thermal insulation coating layer is arranged on the inner wall of the plastic tube by spraying or scraping; and the loofah thermal insulation buffer layer is attached to the inner surface of the water-based ceramic particle thermal insulation coating layer.

[0010] Preferably, tube segment sealing strips are provided in both the end face V-shaped groove and the side face V-shaped groove.

[0011] The utility model has the following advantages:

[0012] 1. Factory prefabrication, modular production, stable quality;

[0013] 2. On-site construction is simple, reducing material waste and achieving high construction efficiency;

[0014] 3. Bio-based materials, energy-saving, environmentally friendly, non-toxic and harmless.

[0015] 4. The outer layer of thermochromic coating can improve the weather resistance of the insulation pipe shell; the role of prompting and warning: select the appropriate thermochromic coating according to the medium temperature in the pipeline and the temperature of the plastic pipe wall. Abnormal temperature of the plastic pipe wall caused by factors such as damage to the pipeline or insulation layer can be intuitively seen through color changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model after assembly.

[0017] Figure 2 for Figure 1 Structural diagram of the plastic pipe segment.

[0018] Figure 3 for Figure 1 Schematic diagram of the structure of the plastic joint.

[0019] Figure 4 Schematic diagram of the cross-sectional structure of the insulation shell. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The following embodiments are only for illustrative purposes and are not intended to limit the scope of the present invention.

[0021] Reference Figure 1-4The convenient assembly type environmentally friendly thermochromic insulation pipe shell of this embodiment includes two semicircular plastic pipe segments 1 that are buckled into each other on the outer wall of the pipe, and two semicircular plastic joints 2 for buckling into the joints of the two sections of plastic pipe segments 1; the end faces of both ends and the axial side end faces of the plastic pipe segments 1 are respectively provided with mortise and tenon structures for buckling into each other; the outer wall of the plastic pipe segment 1 is sprayed with a thermochromic paint layer 17 (paint thickness 50-150 μm), and the inner wall of the plastic pipe segment is sequentially provided with a water-based ceramic particle thermal insulation paint layer 18 (paint thickness 5-15 mm) and a loofah thermal insulation buffer layer 19 (thickness 3-10 mm) from the outside to the inside; two annular grooves 21 are provided on the inner side of the plastic joints 2, and seam sealing strips for sealing both sides of the seam of the two sections of plastic pipe segments 1 are provided in the annular grooves.

[0022] In this embodiment, the mortise and tenon structure includes end V-shaped protrusions 12 and end surface V-shaped grooves 11 respectively provided on both end surfaces of the plastic tube segment 1, and side V-shaped protrusions 13 and side surface V-shaped grooves 14 respectively provided on the axial side end surfaces of the plastic tube segment 1.

[0023] In this embodiment, upper and lower protrusions 15 and 16 are respectively provided on the inner sides of both ends of the plastic tube piece 1.

[0024] In this embodiment, the thermochromic paint layer 17 is applied to the outer wall of the plastic tube segment by spraying or roller coating; the water-based ceramic particle thermal insulation paint layer 18 is arranged on the inner wall of the plastic tube segment by spraying or scraping; the loofah thermal insulation buffer layer 19 is adhered to the inner surface of the water-based ceramic particle thermal insulation paint layer 18.

[0025] In this embodiment, tube segment sealing strips are provided in both the end face V-shaped groove 11 and the side face V-shaped groove 14 .

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A conveniently assembled, environmentally friendly, thermochromic, heat-insulating pipe shell, comprising two semicircular plastic pipe segments (1) that are mutually buckled on the outer wall of a pipe, and two semicircular plastic joints (2) for buckling at the joints of the two plastic pipe segments (1); characterized in that: The end faces at both ends and the axial side end faces of the plastic tube sheet (1) are respectively provided with mortise and tenon structures for interlocking; the outer wall of the plastic tube sheet (1) is sprayed with a thermochromic paint layer (17), and the inner wall of the plastic tube sheet is sequentially provided with a water-based ceramic particle heat-insulating paint layer (18) and a loofah heat-insulating buffer layer (19) from the outside to the inside; the inner side of the plastic joint (2) is provided with two annular grooves (21), and the annular grooves are provided with joint sealing strips for sealing both sides of the joint between the two sections of the plastic tube sheet (1).

2. The conveniently assembled, environment-friendly, thermochromic, heat-insulating pipe shell according to claim 1, characterized in that: The mortise and tenon structure comprises end V-shaped protrusions (12) and end surface V-shaped grooves (11) respectively arranged on the end surfaces of both ends of the plastic tube sheet (1), and side V-shaped protrusions (13) and side surface V-shaped grooves (14) respectively arranged on the axial side end surfaces of the plastic tube sheet (1).

3. The conveniently assembled, environment-friendly, thermochromic, heat-insulating pipe shell according to claim 1, characterized in that: Upper and lower protrusions (15, 16) are respectively provided on the inner sides of both ends of the plastic tube sheet (1).

4. The conveniently assembled, environment-friendly, thermochromic, heat-insulating pipe shell according to claim 1, characterized in that: The thermochromic coating layer (17) is applied to the outer wall of the plastic tube by spraying or roller coating; the water-based ceramic particle thermal insulation coating layer (18) is arranged on the inner wall of the plastic tube by spraying or scraping; and the loofah thermal insulation buffer layer (19) is attached to the inner surface of the water-based ceramic particle thermal insulation coating layer (18).

5. The convenient assembled environmentally friendly thermochromic heat-insulating pipe shell according to claim 2, characterized in that: Segment sealing strips are provided in both the end face V-shaped groove (11) and the side face V-shaped groove (14).

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