Heat preservation and insulation structure suitable for nuclear auxiliary equipment

Abstract

The utility model discloses a heat preservation and insulation structure suitable for nuclear auxiliary equipment, which comprises a heat preservation and insulation part, the heat preservation and insulation part comprises an inner heat conduction layer and an outer heat conduction layer which are arranged inside and outside, and a heat conduction cavity is formed between the outer heat conduction layer and the inner heat conduction layer; the cable further comprises an outer metal protection layer, an outer heat insulation layer, an inner heat insulation layer and an inner metal protection layer. An outer heat insulation layer is arranged in the outer metal protection layer, the inner wall of the outer heat insulation layer is attached to the outer side of the outer heat conduction layer, an inner heat insulation layer is arranged on the inner wall of the inner heat conduction layer, and an inner metal protection layer is arranged on the inner wall of the inner heat insulation layer. And the structure supporting part is positioned between the outer heat conduction layer and the inner heat conduction layer. Through the multi-layer arrangement, the heat preservation and heat insulation effects are achieved, and the reliability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation, in particular to a thermal insulation structure suitable for nuclear auxiliary equipment. Background Art

[0002] Nuclear auxiliary equipment such as containers (heating kettles, etc.) or pipelines need to be treated with thermal insulation to ensure the temperature reliability of the medium during the reaction or transmission process. Generally, the thermal insulation treatment method of the thermal insulation sleeve is adopted. However, the structural setting of the single-layer thermal insulation sleeve has unsatisfactory thermal insulation effect and low reliability. Utility Model Content

[0003] In view of the above problems, the utility model provides a heat preservation and insulation structure which is simple in structure, convenient and reliable and suitable for nuclear auxiliary equipment.

[0004] The technical solution of the utility model is: a thermal insulation structure suitable for nuclear auxiliary equipment, comprising:

[0005] A heat-insulating part, the heat-insulating part comprising an outer heat-conducting layer and an inner heat-conducting layer; an inner heat-conducting layer is provided inside the outer heat-conducting layer, and a heat-conducting cavity is formed between the outer heat-conducting layer and the inner heat-conducting layer;

[0006] The structural support part includes a slide groove, an upper support block, a lower support block and a support column; the slide grooves are arranged on the inner wall of the outer heat conductive layer, and the upper and lower ends of the slide grooves are respectively slidably provided with an upper support block and a lower support block, and the inner sides of the upper support block and the lower support block are arranged with support columns, and one end of the support column is in contact with the outer side of the inner heat conductive layer.

[0007] Furthermore, sleeve holes are provided in the middle of the upper and lower ends of the upper support block and the lower support block, and sleeve columns are sleeved in the sleeve holes.

[0008] Furthermore, a transverse column is provided through the middle of one end of the sleeve column, and the outer surface of the transverse column is in conflict with the upper and lower ends of the outer heat conductive layer.

[0009] Furthermore, the thermal insulation part also includes an outer metal protective layer, an outer insulation layer, an inner insulation layer and an inner metal protective layer; an outer insulation layer is provided inside the outer metal protective layer, and the inner wall of the outer insulation layer is bonded to the outer side of the outer heat conductive layer, an inner insulation layer is provided on the inner wall of the inner heat conductive layer, and an inner metal protective layer is provided on the inner wall of the inner insulation layer.

[0010] Furthermore, the outer insulation layer and the inner insulation layer are respectively made of asbestos.

[0011] Furthermore, it also includes an isolation and protection part, which includes an upper isolation ring frame and a lower isolation ring frame; the upper isolation ring frame and the lower isolation ring frame are respectively connected to the middle of the upper support block and the lower support block, and the upper isolation ring frame and the lower isolation ring frame are arranged end to end.

[0012] During operation, the utility model forms a heat preservation and insulation part by arranging an outer heat conduction layer and an inner heat conduction layer at intervals, and at the same time, an outer metal protective layer, an outer heat insulation layer, an inner heat insulation layer and an inner metal protective layer are also arranged; an outer heat insulation layer is arranged inside the outer metal protective layer, and the inner wall of the outer heat insulation layer is arranged in contact with the outer side of the outer heat conduction layer, an inner heat insulation layer is arranged on the inner wall of the inner heat conduction layer, and an inner metal protective layer is arranged on the inner wall of the inner heat insulation layer. In this way, through the multi-layer arrangement, heat preservation and insulation are achieved, and reliability is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is the appearance diagram of the utility model;

[0015] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a structural diagram of the upper support block and the lower support block of the utility model;

[0017] Figure 4 This is a diagram of the upper isolation ring frame and the lower isolation ring frame of the utility model in use;

[0018] In the figure, 11, outer metal protective layer; 12, outer heat-insulating layer; 13, outer heat-conducting layer; 14, inner heat-conducting layer; 15, inner heat-insulating layer; 16, inner metal protective layer; 17, heat-conducting cavity; 21, slide groove; 22, upper support block; 23, lower support block; 24, support column; 25, sleeve column; 26, transverse column; 31, upper isolation ring frame; 32, lower isolation ring frame. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0021] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] See also Figure 1-4 As shown, this embodiment is a thermal insulation structure suitable for nuclear auxiliary equipment, including:

[0023] The heat-insulating part includes an outer heat-conducting layer 13 and an inner heat-conducting layer 14; the inner heat-conducting layer 14 is provided inside the outer heat-conducting layer 13, and a heat-conducting cavity 17 is formed between the outer heat-conducting layer 13 and the inner heat-conducting layer 14;

[0024] The thermal insulation part further includes an outer metal protective layer 11, an outer heat insulating layer 12, an inner heat insulating layer 15 and an inner metal protective layer 16; the outer heat insulating layer 12 is provided inside the outer metal protective layer 11, and the inner wall of the outer heat insulating layer 12 is bonded to the outer side of the outer heat conductive layer 13, the inner wall of the inner heat conductive layer 14 is provided with an inner heat insulating layer 15, and the inner wall of the inner heat insulating layer 15 is provided with an inner metal protective layer 16;

[0025] The outer metal protective layer 11 and the inner metal protective layer 16 form an internal protective structure, the outer heat conductive layer 13 and the inner heat conductive layer 14 conduct heat, the outer heat insulating layer 12 and the inner heat insulating layer 15 perform internal heat insulation, and the heat conductive cavity 17 is used for re-conducting heat to improve the thermal insulation effect;

[0026] The outer metal protective layer 11 and the inner metal protective layer 16 are flexibly arranged for easy adjustment and installation; the outer heat insulating layer 12 and the inner heat insulating layer 15 are respectively made of asbestos, and heat insulating materials such as glass fiber can also be used in the application of the outer heat insulating layer and the inner heat insulating layer. Copper can be used for the outer heat conductive layer and the inner heat conductive layer in the application.

[0027] The structural support part includes a slide groove 21, an upper support block 22, a lower support block 23 and a support column 24; the slide grooves 21 are arranged on the inner wall of the outer heat conductive layer 13, and the upper and lower ends of the slide grooves 21 are respectively slidably provided with the upper support block 22 and the lower support block 23, and the inner sides of the upper support block 22 and the lower support block 23 are arranged with support columns 24, and one end of the support column 24 is in contact with the outer side of the inner heat conductive layer 14;

[0028] The slide groove 21 can move the upper support block 22 and the lower support block 23 while meeting the structural restrictions, which is conducive to subsequent disassembly and maintenance. The upper support block 22 and the lower support block 23 are used to fix the structure of multiple support columns 24, and the multiple support columns 24 provide structural support force;

[0029] The middle parts of the upper and lower ends of the upper support block 22 and the lower support block 23 are provided with sleeve holes, and sleeve columns 25 are sleeved in the sleeve holes;

[0030] A transverse column 26 is provided through the middle of one end of the sleeve column 25, and the outer surface of the transverse column 26 is in contact with the upper and lower ends of the outer heat conductive layer 13;

[0031] The sleeve holes can be used in conjunction with the sleeve columns 25 to fix the upper support block 22 and the lower support block 23, and meet the installation requirements of the transverse column 26. The resistance force formed between the transverse column 26 and the outer heat conductive layer 13 can further ensure the stability of the structure of the upper support block 22 and the lower support block 23.

[0032] Working principle: After the inner metal protective layer 16 is sleeved on the outside of the container or pipe, the outer heat conductive layer 13, the inner heat conductive layer 14, the outer heat insulating layer 12, and the inner heat insulating layer 15 are used for heat preservation and heat insulation treatment, and the upper support block 22 and the lower support block 23 are sequentially inserted into the slide groove 21, and the resistance formed by multiple support columns 24 is used to ensure the stability of the heat insulation structure of the heat preservation grid;

[0033] When the support column 24 is moved out of the chute 21 for inspection and maintenance, a force can be applied to the transverse column 26 to move the upper support block 22 and the lower support block 23 out of the chute 21;

[0034] This solution can save time and effort in removing, inspecting, maintaining or replacing the support column 24 structure, and is convenient to use.

[0035] See also Figure 1-4 As shown, this embodiment is based on the above embodiment and further includes an isolation protection part, which includes an upper isolation ring frame 31 and a lower isolation ring frame 32; the upper isolation ring frame 31 and the lower isolation ring frame 32 are respectively connected to the middle of the upper support block 22 and the lower support block 23, and the upper isolation ring frame 31 and the lower isolation ring frame 32 are arranged end to end;

[0036] The upper isolation ring frame 31 and the lower isolation ring frame 32 form an outer isolation environment to provide external protection for the heat insulation structure being placed. The upper isolation ring frame 31 and the lower isolation ring frame 32 are arranged end to end to facilitate disassembly and assembly.

[0037] Working principle: when the thermal insulation structure is not used, multiple upper support blocks 22 and lower support blocks 23 can be distributed on the outside of the thermal insulation structure, and the upper isolation ring frame 31 and the lower isolation ring frame 32 are inserted into the middle of the upper support block 22 and the lower support block 23 in turn, and the upper isolation ring frame 31 and the lower isolation ring frame 32 are arranged end to end to limit the structure;

[0038] This solution can provide external protection capabilities for the thermal insulation structure while meeting the installation requirements for multiple support columns 24, thereby improving the applicability and functionality of the structure itself and meeting usage requirements.

[0039] The utility model also has the functions of vibration absorption and noise reduction during operation.

[0040] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A thermal insulation structure suitable for nuclear auxiliary equipment, characterized in that: include: A heat-insulating portion, the heat-insulating portion comprising an inner heat-conducting layer (14) and an outer heat-conducting layer (13) which are spaced apart from each other, a heat-conducting cavity (17) being formed between the outer heat-conducting layer (13) and the inner heat-conducting layer (14); It also comprises an outer metal protective layer (11), an outer heat insulating layer (12), an inner heat insulating layer (15) and an inner metal protective layer (16); the outer heat insulating layer (12) is provided inside the outer metal protective layer (11), and the inner wall of the outer heat insulating layer (12) is bonded to the outer side of the outer heat conductive layer (13); the inner wall of the inner heat conductive layer (14) is provided with an inner heat insulating layer (15), and the inner wall of the inner heat insulating layer (15) is provided with an inner metal protective layer (16); A structural support portion, wherein the structural support portion is located between the outer heat conductive layer (13) and the inner heat conductive layer (14).

2. A thermal insulation structure suitable for nuclear auxiliary equipment according to claim 1, characterized in that: The structural support portion comprises a slide groove (21), an upper support block (22), a lower support block (23) and a support column (24); the slide groove (21) is arranged on the inner wall of the outer heat conductive layer (13), and the upper and lower ends of the slide groove (21) are slidably provided with an upper support block (22) and a lower support block (23), respectively; support columns (24) are arranged on the inner sides of the upper support block (22) and the lower support block (23), and one end of the support column (24) is in contact with the outer side of the inner heat conductive layer (14).

3. A thermal insulation structure suitable for nuclear auxiliary equipment according to claim 2, characterized in that: The middle parts of the upper and lower ends of the upper support block (22) and the lower support block (23) are provided with sleeve holes, and sleeve columns (25) are sleeved in the sleeve holes.

4. A thermal insulation structure suitable for nuclear auxiliary equipment according to claim 3, characterized in that: A transverse column (26) is provided through the middle of one end of the sleeve column (25), and the outer surface of the transverse column (26) is in contact with the upper and lower ends of the outer heat conductive layer (13).

5. A thermal insulation structure suitable for nuclear auxiliary equipment according to any one of claims 1 to 4, characterized in that: The outer insulation layer (12) and the inner insulation layer (15) are respectively made of asbestos.

6. A thermal insulation structure suitable for nuclear auxiliary equipment according to claim 5, characterized in that: It also comprises an isolation protection part, the isolation protection part comprising an upper isolation ring frame (31) and a lower isolation ring frame (32); the upper isolation ring frame (31) and the lower isolation ring frame (32) are respectively connected to the middle of the upper support block (22) and the lower support block (23), and the upper isolation ring frame (31) and the lower isolation ring frame (32) are arranged end to end.

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