Electric tracing band for pipeline

Abstract

The utility model discloses an electric tracing band for a pipeline, which comprises a heat-conducting silica gel sheet, two groups of limiting ridges are arranged on the outer side of the heat-conducting silica gel sheet, a limiting mounting groove is formed between the two groups of limiting ridges, a tracing band body is wound in the limiting mounting groove, a heat-insulating layer is arranged on the outer side of the tracing band body, and a protective shell is arranged on the outer side of the heat-insulating layer. According to the utility model, the heating uniformity of the heat tracing band body on a pipeline can be improved, the stability and protection of the heat tracing band body during winding installation are improved, and the heating effect on the pipeline is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric heat tracing band, more particularly, it relates to a pipe electric heat tracing band. BACKGROUND

[0002] The pipe electric heat tracing band is an electrical heating device for pipe anti-freezing, heat preservation or process temperature maintenance. It generates heat through resistance, evenly wraps the outer wall of the pipe and compensates heat loss. It is suitable for water, oil, chemical fluid pipes and has the characteristics of automatic temperature control, energy saving, safety, easy installation, etc. According to the needs, self-limiting or constant power type can be selected, and the insulation layer is matched to improve the efficiency. It is widely used in petroleum, chemical, construction and fire fighting fields to ensure the normal operation of the pipeline in low temperature environment.

[0003] The existing pipe electric heat tracing band is mostly directly wound on the outer wall of the pipeline, and the heating effect is better at the place in contact with the outer wall of the pipeline, but the heating effect is poor at the place not in contact with the outer wall of the pipeline, so that the heating uniformity of the liquid in the pipeline is poor.

[0004] And directly winding and installing the electric heat tracing band on the outer side of the pipeline also easily causes abrasion on the surface of the electric heat tracing band, affecting the service life of the electric heat tracing band. UTILITY MODEL CONTENTS

[0005] (I) Technical problems solved

[0006] In view of the problems in the prior art, the utility model provides a pipe electric heat tracing band to solve the technical problems of poor heating uniformity of the pipe electric heat tracing band in the prior art mentioned in the background and easy abrasion caused by direct contact with the pipeline.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] A pipe electric heat tracing band, comprising a heat-conducting silica gel sheet, and two groups of limiting edges are arranged on the outer side of the heat-conducting silica gel sheet, a limiting installation groove is formed between the two groups of limiting edges, an electric heat tracing band body is wound and arranged in the limiting installation groove, a heat preservation layer is arranged on the outer side of the electric heat tracing band body, and a protective shell is arranged on the outer side of the heat preservation layer.

[0010] The utility model further sets up, the protective shell includes first half shell and second half shell, first half shell and second half shell one end articulates between, and the other end is provided with fixed assembly, adopts the cooperation of first half shell and second half shell can realize the external fixed of heating band body after winding, simultaneously, it is convenient to dismantle, relative to prior art adopts aluminium foil heat preservation band gluing adhesion fixed mode, can realize the installation and dismantling overhaul of heating band body flexibly, simultaneously, convenient, fast.

[0011] The utility model further sets up, the fixed assembly includes fixed lug, the fixed lug sets up in first half shell and second half shell far from the side of articulating end, two fixed lug between are provided with locking bolt, and cooperate locking nut setting has, first half shell and second half shell are buckled in the outside of heat conducting silica gel piece and heating band body, and make two groups of fixed lug cooperate, realize locking fixed between two groups of fixed lug through the cooperation of locking bolt and locking nut, thereby realize the locking fixed of protective shell on the outside of heating band body, like this, can improve the installation stability of heating band body and the surface heat preservation protection property.

[0012] The utility model further sets up, the heat conducting silica gel piece is annular as a whole, the middle of heat conducting silica gel piece is equipped with installation port, locking structure is provided at installation port, realizes the wrapping installation of heat conducting silica gel piece on the outside of pipeline through installation port.

[0013] The utility model further sets up, the locking structure includes locking strip, locking strip sets up in one end of installation port, the other end of installation port is equipped with locking groove, locking between locking strip and locking groove adhesion locking, after buckling heat conducting silica gel piece on the pipeline needed, locking strip is adhered in corresponding locking groove through adhesive layer, thereby realize the locking fixed of heat conducting silica gel piece free end, thereby realize the stable installation of heat conducting silica gel piece on the outside of pipeline.

[0014] The utility model further sets up, the inside of heat conducting silica gel piece is provided with a plurality of metal heat conducting strips along the axial direction, the overall heat conducting effect of heat conducting silica gel piece can be further improved through metal heat conducting strip, improve the heating effect of heating band body to pipeline, and setting along the axial direction will not cause the breakage of metal heat conducting strip, improve the use effect, wherein metal heat conducting strip can select the aluminium strip or purple copper material of better heat conducting effect.

[0015] The utility model further sets up, the heat preservation layer includes the heat preservation cotton layer, the both sides of heat preservation cotton layer are provided with the heat insulation film, can improve the heat preservation and heat insulation effect of the heating band body when heating the pipeline through the cooperation of heat preservation cotton layer and heat insulation film, wherein the heat insulation film preferably adopts aluminium foil film, aluminium foil has good reflectivity, can effectively reflect heat, thereby reducing the transmission of heat.

[0016] The utility model further sets up, the heat preservation layer is equipped with the limiting slot on, the heat preservation layer is through the limiting column clamping and is equipped in the limiting column, fixes in the protective housing through the cooperation of limiting column and limiting slot of heat preservation layer, can improve the connection stability and the installation and removal convenience between heat preservation layer and protective housing, wherein, limiting column has and selects to adopt rubber column.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a pipeline electric heat tracing band, has the following beneficial effects:

[0019] 1, the utility model discloses a heat-conducting silica gel piece is set up to the outside of the heat tracing band body is wound in the heat-conducting silica gel piece, like this, through the setting of heat-conducting silica gel piece can reduce the direct contact between heat tracing band body and the outer wall of pipeline, reduces abrasion, and heat-conducting silica gel piece has good heat-conducting effect, so that the heat generated by heat tracing band body operation can be transmitted to heat-conducting silica gel piece first, and the heat is more evenly transmitted to the pipeline through heat-conducting silica gel piece, improve the uniformity of heat tracing band body when heating the pipeline.

[0020] 2, the utility model discloses that the outside of heat-conducting silica gel piece is provided with two groups of limiting edges, and the limiting installation slot is formed between the two groups of limiting edges, and the heat tracing band body is wound and installed in the limiting installation slot, like this, can improve the installation stability of heat tracing band body on the outside of heat-conducting silica gel piece.

[0021] 3, simultaneously, the utility model discloses that the heat tracing band body is provided with the heat preservation layer on the outside, and the protective housing is placed on the outside of heat-conducting silica gel piece and heat tracing band body by adopting the first half shell and the second half shell buckling cover, like this, can conveniently realize the installation and dismounting of protective housing, and simultaneously, with the heat preservation layer cooperation strengthens the external heat preservation effect of heat tracing band body when using, and simultaneously, the overhaul and replacement of heat tracing band body are convenient. DRAWINGS

[0022] Figure 1It is a structure schematic view of the whole of the electric heat tracing band for pipeline in the installed state on the pipeline.

[0023] Figure 2 It is a structure schematic view of the heat conduction silica gel sheet and the electric heat tracing band body in the installed state on the pipeline.

[0024] Figure 3 It is a whole structure schematic view of the heat conduction silica gel sheet.

[0025] Figure 4 It is a structure schematic view of the protective shell and the thermal insulation cotton layer in cooperation.

[0026] Figure 5 It is a structure schematic view of the protective shell and the thermal insulation cotton layer in cooperation in the unfolded state.

[0027] Figure 6 It is a partial structure sectional view of the thermal insulation layer.

[0028] In the drawing: 1, heat conduction silica gel sheet; 2, limiting edge; 3, limiting installation groove; 4, electric heat tracing band body; 5, thermal insulation layer; 6, protective shell; 7, first half shell; 8, second half shell; 9, fixed lug; 10, locking bolt; 11, locking nut; 12, installation port; 13, locking strip; 14, locking groove; 15, metal heat conduction strip; 16, thermal insulation cotton layer; 17, heat insulation film; 18, limiting column; 19, limiting groove. DETAILED DESCRIPTION

[0029] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0031] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0032] Please refer to Figures 1-6The utility model provides an electric heat tracing band for pipeline, including heat conduction silica gel piece 1, and the outside of heat conduction silica gel piece 1 is provided with two sets of limiting edges 2, and the limiting edge 2 between two sets of limiting edges 2 forms the limiting installation groove 3, and the heat tracing band body 4 is wound and arranged in the limiting installation groove, and the outside of heat tracing band body 4 is provided with the heat preservation layer 5, and the outside of heat preservation layer 5 is provided with the protective shell 6.

[0033] Please refer to Figures 1-6 As an embodiment of the protective shell 6: the protective shell 6 includes a first half shell 7 and a second half shell 8, the first half shell 7 and the second half shell 8 are hingedly connected at one end, and the other end is provided with a fixing assembly.

[0034] Please refer to Figures 1-6 As an embodiment of the fixing assembly: the fixing assembly includes a fixing ear 9, the fixing ear 9 is arranged on the side of the first half shell 7 and the second half shell 8 away from the hinged end, a locking bolt 10 is arranged between the two fixing ears 9, and a locking nut 11 is arranged in cooperation with the locking bolt 10, the first half shell 7 and the second half shell 8 are buckled on the outside of the heat conduction silica gel piece 1 and the heat tracing band body 4, and the two fixing ears 9 are cooperated, the locking of the two fixing ears 9 is realized through the cooperation of the locking bolt 10 and the locking nut 11, so as to realize the locking of the protective shell 6 on the outside of the heat tracing band body 4, so that the installation stability and the surface heat preservation of the heat tracing band body 4 can be improved.

[0035] Please refer to Figures 1-6 As an embodiment of the heat conduction silica gel piece 1: the heat conduction silica gel piece 1 is annular as a whole, the middle of the heat conduction silica gel piece 1 is provided with a mounting port 12, and the mounting port 12 is provided with a locking structure, and the heat conduction silica gel piece 1 is wrapped and installed on the outside of the pipeline through the mounting port 12.

[0036] The locking structure includes a locking strip 13 arranged at one end of the mounting port 12, a locking groove 14 is arranged at the other end of the mounting port 12, and the locking strip 13 and the locking groove 14 are bonded and locked. After the heat conduction silica gel piece 1 is buckled on the required pipeline, the locking strip 13 is bonded in the corresponding locking groove 14 through the adhesive layer, so as to realize the locking and fixing of the free end of the heat conduction silica gel piece 1, and realize the stable installation of the heat conduction silica gel piece 1 on the outside of the pipeline.

[0037] Please refer to Figures 1-6 As an embodiment of the heat conduction silica gel piece 1: a plurality of metal heat conduction strips 15 are arranged on the inner side of the heat conduction silica gel piece 1 along the axial direction, the overall heat conduction effect of the heat conduction silica gel piece 1 can be further improved through the metal heat conduction strips 15, the heating effect of the heat tracing band body 4 on the pipeline is improved, and the axial arrangement does not cause damage to the metal heat conduction strips 15, and the use effect is improved. The metal heat conduction strip 15 can be selected from aluminum strip or red copper material with good heat conduction effect.

[0038] Please see Figures 1-6 As one implementation of the insulation layer 5: the insulation layer 5 includes an insulation cotton layer 16, and heat insulation films 17 are provided on both sides of the insulation cotton layer 16. The combination of the insulation cotton layer 16 and the heat insulation films 17 can improve the heat insulation effect of the heating cable body 4 when heating the pipeline. The heat insulation film 17 is preferably made of aluminum foil. Aluminum foil has good reflectivity and can effectively reflect heat, thereby reducing heat transfer. When aluminum foil and insulation cotton are used together, the reflective effect of aluminum foil isolates most of the heat radiation to the outside or inside, while the insulation cotton blocks the transfer of the remaining heat through its unique heat insulation mechanism. This combination greatly enhances the heat insulation effect and can better maintain temperature stability.

[0039] Please see Figures 1-6 As one implementation method for the insulation layer 5: a limiting post 18 is provided on the protective shell 6, and a limiting groove 19 is provided on the insulation layer 5. The insulation layer 5 is engaged and sleeved on the limiting post 18 through the limiting post 18. The insulation layer 5 is fixed in the protective shell 6 by the engagement of the limiting post 18 and the limiting groove 19. This can improve the connection stability between the insulation layer 5 and the protective shell 6 as well as the ease of installation and disassembly. The limiting post 18 may be made of rubber.

[0040] In summary:

[0041] This invention features a thermally conductive silicone sheet 1, with the heat tracing cable body 4 wrapped around its outer side. This reduces direct contact between the heat tracing cable body 4 and the outer wall of the pipe, minimizing wear. Simultaneously, the thermally conductive silicone sheet 1 provides excellent thermal conductivity, allowing the heat generated by the heat tracing cable body 4 to be transferred to the silicone sheet 1 first, and then more evenly distributed into the pipe, improving the uniformity of heating the pipe.

[0042] This utility model provides two sets of limiting ridges 2 on the outer side of the thermally conductive silicone sheet 1, and a limiting installation groove 3 is formed between the two sets of limiting ridges 2. The heat tracing cable body 4 is wound and installed in the limiting installation groove 3. In this way, the installation stability of the heat tracing cable body 4 on the outer side of the thermally conductive silicone sheet 1 can be improved.

[0043] Meanwhile, this utility model provides an insulation layer 5 on the outside of the heat tracing cable body 4, and a protective shell 6 on the outside of the insulation layer 5. The protective shell 6 is placed on the outside of the heat-conducting silicone sheet 1 and the heat tracing cable body 4 by means of a first half shell 7 and a second half shell 8 fastened together. In this way, the installation and removal of the protective shell 6 can be easily realized. At the same time, it works with the insulation layer 5 to enhance the external heat insulation effect of the heat tracing cable body 4 during use, and facilitates the inspection and replacement of the heat tracing cable body 4.

[0044] In all the above-mentioned solutions, the connection between the two components can be selected according to actual conditions, such as welding, bolt and nut connection, bolt or screw connection or other known connection modes, which will not be described here. In the above, when referring to the fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0045] In all the above-mentioned solutions, when referring to the operation of the electrical element, it is controlled by the controller unless otherwise specified. Since the controller is matched with a commonly used device, its control principle and circuit connection belong to the existing known and mature technology, and the specific circuit structure will not be described here.

[0046] In all the above-mentioned solutions, when referring to the motor, it can be matched with a speed reducer if necessary. The connection structure and working principle between the motor and the speed reducer are existing known technologies, and the utility model will not be described here.

[0047] In all the above-mentioned solutions, when referring to the connection between the solar panel and the battery, it can be matched with an inverter, a battery charging controller, a cable, a fuse and a support, etc. The control principle and circuit connection belong to the existing known and mature technology, and the specific circuit structure will not be described here.

Claims

1. A pipeline electric heating tape, comprising a thermally conductive silicone sheet (1), characterized in that: Two sets of limiting ridges (2) are provided on the outer side of the thermal conductive silicone sheet (1), and a limiting installation groove (3) is formed between the two sets of limiting ridges (2). A heat tracing body (4) is wound in the limiting installation groove (3), and a heat insulation layer (5) is provided on the outer side of the heat tracing body (4). A protective shell (6) is provided on the outer side of the heat insulation layer (5).

2. The pipeline electric tracing tape according to claim 1, characterized in that: The protective shell (6) includes a first half-shell (7) and a second half-shell (8), with one end of the first half-shell (7) and the second half-shell (8) hinged together and the other end provided with a fixing component.

3. The pipeline electric tracing tape according to claim 2, characterized in that: The fixing component includes a fixing ear (9), which is located on the side of the first half shell (7) and the second half shell (8) away from the hinge end. A locking bolt (10) is provided between the two fixing ears (9), and a locking nut (11) is provided in cooperation with the locking bolt (10).

4. The pipeline electric tracing tape according to claim 1, characterized in that: The thermally conductive silicone sheet (1) is generally ring-shaped, and an installation port (12) is provided in the middle of the thermally conductive silicone sheet (1). A locking structure is provided at the installation port (12).

5. The pipeline electric tracing heating tape according to claim 4, characterized in that: The locking structure includes a locking strip (13), which is disposed at one end of the mounting port (12), and a locking groove (14) is provided at the other end of the mounting port (12). The locking strip (13) and the locking groove (14) are bonded and locked together.

6. A pipeline electric tracing heating tape according to any one of claims 1-5, characterized in that: Multiple metal heat-conducting strips (15) are arranged axially on the inner side of the thermally conductive silicone sheet (1).

7. The pipeline electric tracing tape according to claim 1, characterized in that: The insulation layer (5) includes an insulation cotton layer (16), and heat insulation films (17) are provided on both sides of the insulation cotton layer (16).

8. The pipeline electric tracing tape according to claim 7, characterized in that: The protective shell (6) is provided with a limiting post (18), and the insulation layer (5) is provided with a limiting groove (19). The insulation layer (5) is fitted onto the limiting post (18) by the limiting post (18).

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