Nuclear reactor insulation layer

Abstract

This application relates to a nuclear reactor insulation layer, including an installation frame adapted to the outer contour of the reactor and multiple insulation modules adapted to the outer contour of the reactor; the installation frame defines multiple installation windows; the insulation modules are detachably disposed within the installation windows. This application can improve the installation efficiency of the insulation layer and reduce the impact on the construction and maintenance cycle of the reactor.

Description

Technical Field

[0001] This application relates to the field of nuclear power technology, and more specifically, to a nuclear reactor insulation layer. Background Technology

[0002] For the installation of thermal insulation structures in nuclear reactors, on-site construction is typically employed. However, on-site construction is not only time-consuming and costly, but also presents significant challenges for compact reactors due to the limited space, impacting construction and maintenance efficiency. Furthermore, on-site construction makes quality control of the insulation layer difficult, potentially leading to poor insulation performance and affecting the reactor's thermal efficiency. Utility Model Content

[0003] The technical problem to be solved by this application is to provide a nuclear reactor insulation layer to address the aforementioned deficiencies in the prior art.

[0004] The technical solution adopted by this application to solve its technical problem is: constructing a nuclear reactor insulation layer, including: The mounting frame, which is adapted to the outer contour of the reactor, defines multiple mounting windows; Multiple insulation modules adapted to the outer contour of the reactor are detachably installed within the mounting window.

[0005] Furthermore, the insulation module includes at least one insulation block; the at least one insulation block is detachably disposed within the installation window.

[0006] Furthermore, at least one fastening structure is provided between the at least one insulation block and the wall of the installation window; the at least one insulation block is detachably installed inside the installation window through the at least one fastening structure.

[0007] Furthermore, the fastening structure includes a protrusion and an assembly groove; one of the protrusion and the assembly groove is disposed on one side of the insulation block, and the other is disposed on the opening wall of the installation window.

[0008] Furthermore, at least two fastening structures are provided between the at least one insulation block and the wall of the installation window; the at least two fastening structures are provided on opposite sides of the at least one insulation block.

[0009] Furthermore, the insulation module includes at least two insulation blocks and at least one connecting structure; two adjacent insulation blocks are detachably connected through the at least one connecting structure.

[0010] Furthermore, the connection structure includes a first connector and a second connector; the first connector is disposed on one of the two adjacent insulation blocks; the second connector is disposed on the other one and is detachably connected to the first connector.

[0011] Furthermore, it also includes at least one seal, which is detachably disposed at the connection between two adjacent insulation blocks.

[0012] Furthermore, it also includes at least one seal, which is detachably disposed at the connection between the at least one insulation block and the mounting frame.

[0013] Furthermore, the installation frame includes multiple frames, each of which defines an installation window, and the frames are configured in a one-to-one correspondence with the insulation modules.

[0014] Implementing the technical solution constructed in this application has at least the following beneficial effects: This application enables the construction of a modular, integrated nuclear reactor insulation layer by setting up an installation frame and multiple insulation modules. During assembly, installation and setup are no longer required in the confined space of a compact reactor, reducing on-site construction time in the reactor building. This not only improves the efficiency of insulation layer installation and construction, reducing the impact on reactor construction and maintenance cycles, but also ensures the installation quality of the insulation layer, thereby guaranteeing the reactor's thermal efficiency and safety. Attached Figure Description

[0015] The present application will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings: Figure 1 This is a partial cross-sectional structural diagram of the nuclear reactor insulation layer and the reactor assembly in one embodiment of this application; Figure 2 yes Figure 1 The diagram shows the frame and assembly structure of the insulation module in the thermal insulation layer of the nuclear reactor. Figure 3 yes Figure 2 A schematic diagram of the connection structure in the diagram. Detailed Implementation

[0016] To provide a clearer understanding of the technical features, objectives, and effects of this application, the specific embodiments of this application are now described in detail with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0017] In the description of this application, it should be understood that the terms "longitudinal", "lateral", "up", "down", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0019] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0020] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0021] Figures 1 to 3 This application illustrates a nuclear reactor insulation layer 1 according to an embodiment of the present application, which includes a mounting frame 20 and multiple insulation modules 10. The mounting frame 20 is contoured to fit the outer contour of the reactor 2, allowing it to be placed on the surface of the reactor 2 and providing a carrier for the installation of the insulation modules 10. Each insulation module 10 is adapted to the outer contour of the reactor 2 at its installation location and is detachably disposed at different positions on the mounting frame 20 to cover different locations on the outer surface of the reactor 2. All insulation modules 10 and the mounting frame 20 combine to form a complete insulation layer structure, which covers the surface of the reactor 2 to provide insulation.

[0022] It's important to understand that current nuclear reactor insulation is typically constructed as a separate insulation structure on-site at Reactor 2. However, this type of insulation and its construction requires considerable on-site space and a significant construction period. For compact Reactor 2, the spacing between its main equipment is relatively small compared to other types of reactors, making it difficult to construct a separate insulation structure on-site.

[0023] This application, by setting up an installation frame 20 and multiple insulation modules 10, allows for the design of insulation modules 10 of different shapes based on the shape of the reactor 2, and their installation at different positions on the installation frame 20, in order to construct a modular and integrated nuclear reactor insulation layer 1.

[0024] During production, the insulation module 10 can be modularly manufactured for easy disassembly and packaging. During assembly, the insulation module 10 can be first assembled onto the mounting frame 20 at other locations to form an integral nuclear reactor insulation layer 1. Then, using lifting equipment, the nuclear reactor insulation layer 1 is hoisted onto the reactor 2 as a single unit. This eliminates the need for installation and setup within the confined space of the compact reactor 2, reducing on-site construction time in the reactor building 3 and lowering construction costs.

[0025] The nuclear reactor insulation layer 1 constructed in this application can be assembled and built simultaneously at other locations during the construction or maintenance of reactor 2. This not only improves the installation efficiency of the insulation layer and reduces the impact on the construction and maintenance cycle of reactor 2, but also ensures the installation quality of the insulation layer and improves the thermal efficiency and safety of the reactor.

[0026] It should be noted that the specific shape and size of the mounting frame 20 and each insulation module 10 can be flexibly set according to the specific needs of the reactor 2 to ensure that the nuclear reactor insulation layer 1 formed by the assembly of the two can be adapted to the surface of the reactor 2.

[0027] like Figure 1 As shown, in some embodiments, the mounting frame 20 is generally frame-shaped and defines multiple mounting windows 21 for mounting the insulation modules 10. Each insulation module 10 is detachably mounted in a different mounting window 21.

[0028] See also Figure 2 The mounting frame 20 may include multiple frames 201, each frame 201 defining a mounting window 21. Each frame 201 is configured in a one-to-one correspondence with an insulation module 10, and an insulation module 10 can be detachably mounted in the mounting window 21 of each frame 201.

[0029] This further enhances the modularity of the nuclear reactor insulation layer 1. During assembly, the insulation modules 10 and frame 201 can be pre-assembled in the factory to form multiple [modules / units]. Figure 2 The modular structure is shown. Further, these multiple modular structures are transported to the reactor site. Outside the reactor building 3 at the site, the multiple modular structures are assembled to form the nuclear reactor insulation layer 1. Then, the entire layer is hoisted onto the reactor 2 inside the cramped reactor building 3, covering the surfaces of each main piece of equipment to complete the installation.

[0030] Modular production and assembly facilitate the production, packaging, and transportation of the nuclear reactor insulation layer 1, thereby improving efficiency and reducing costs.

[0031] It should be noted that the frame 201 can be formed by welding and / or bolting multiple angle steel, I-beams and other steel materials. Multiple frames 201 can be connected by welding and / or bolting to form a grid-like installation frame 20, which is not specifically limited here.

[0032] It should be noted that the shape of the installation window 21 can be rectangular, polygonal, irregular, or other shapes, to accommodate different shapes of insulation modules 10, so that they can be combined with each other to cover different surface shapes of the reactor 2. No specific limitation is made here.

[0033] In some other embodiments, the mounting frame 20 may also be an integral structure, formed directly from steel materials such as angle steel and I-beams by welding and / or bolting.

[0034] In some embodiments, the mounting frame 20 may be provided with at least one lifting structure (not shown) to facilitate integrated lifting during assembly.

[0035] In some embodiments, the insulation module 10 may include at least one insulation block 11, and at least one fastening structure may be provided between the insulation block 11 and the frame 201. The insulation block 11 may be detachably installed in the installation window 21 through the fastening structure.

[0036] By setting a fastening structure, the insulation module 10 can be more securely installed in the installation window 21, preventing the insulation module 10 from loosening or falling off due to vibration or other factors during the movement of the reactor 2.

[0037] Specifically, the fastening structure is disposed between the side wall of the insulation block 11 and the opening wall of the mounting window 21, and includes a protrusion 111 and an assembly groove 22. One of the protrusion 111 and the assembly groove 22 is disposed on one side wall of the insulation block 11, and the other is disposed on the opening wall of the mounting window 21. During the assembly of the insulation block 11, the protrusion 111 is received within the assembly groove 22, forming a snap-fit ​​connection structure, thereby enabling the insulation block 11 to be installed within the mounting window 21.

[0038] By setting the fastening structure as a snap-fit ​​structure, the insulation block 11 can be quickly assembled and disassembled. This facilitates both the installation of the nuclear reactor insulation layer 1 during reactor construction and subsequent maintenance and inspection.

[0039] Furthermore, each insulation block 11 may be provided with at least two fastening structures to improve the stability of the assembly between the insulation block 11 and the mounting frame 20.

[0040] For example in Figure 2 In the embodiment shown, each insulation block 11 is provided with two fastening structures, and the two fastening structures are provided on opposite sides of the insulation block 11.

[0041] In some other embodiments, when there are at least two fastening structures, they may also be located on the adjacent sides of the insulation block 11.

[0042] In other embodiments, the fastening structure can also be configured as a bolted structure or other detachable connection structure, so that the insulation block 11 can be detachably bolted to the frame 201 or the mounting frame 20. Of course, for local locations of the reactor that do not require inspection or maintenance, the fastening structure can also be configured as a riveted structure, a welded structure, or other methods to assemble the insulation block 11 into the mounting window 21.

[0043] It should be noted that the insulation block 11 can be a conventional metal insulation block. Alternatively, for specific locations within reactor 2, a conventional non-metallic insulation block can also be used. Further details will not be elaborated upon here.

[0044] It should be noted that the specific selection of this fastening structure should also take into account the stability and tightness of the insulation module 10 after it is assembled into the installation window 21, so as to avoid obvious gaps between the two that would affect the insulation effect.

[0045] In some embodiments, the nuclear reactor insulation layer 1 may further include a sealing element (not shown in the figure), which is disposed at the connection between the insulation block 11 and the mounting frame 20 to prevent gaps at the connection between the two from affecting the insulation effect.

[0046] Specifically, the sealing element can be a plate-like structure such as a steel plate or insulation board, covering the side of the nuclear reactor insulation layer 1 away from the reactor 2 along its thickness direction, and is positioned between the insulation block 11 and the mounting frame 20 to cover the gap between them. This ensures the installation quality of the nuclear reactor insulation layer 1, avoids heat loss caused by gaps, and thus ensures the thermal efficiency and safety of the reactor 2.

[0047] In some other embodiments, the seal may also be a flexible sealing strip or similar structure, disposed between the side wall of the insulation block 11 and the opening wall of the mounting window 21, to seal the gap between the two.

[0048] like Figure 2 As shown, in some embodiments, when the insulation module 10 includes at least two insulation blocks 11, the insulation module 10 may also include at least one connecting structure 12. The connecting structure 12 is disposed between two adjacent insulation blocks 11, for detachably connecting the insulation blocks 11 within the insulation module 10.

[0049] Specifically, please refer to the following: Figure 3 The connection structure 12 may include a first connector 121 and a second connector 122. The first connector 121 is disposed on one of two adjacent insulation blocks 11, and the second connector 122 is disposed on the other one and is detachably connected to the first connector 121.

[0050] For example in Figure 2 In the illustrated embodiment, the insulation module 10 includes two insulation blocks 11, which are arranged adjacent to each other along a first direction X. Two connecting structures 12 are spaced apart between the two insulation blocks 11 along a second direction Y. Each insulation block 11 has two fastening structures between its opposite sides along the second direction Y and the frame 201. The first direction X is perpendicular to the second direction Y.

[0051] Of course, the insulation module 10 may also include three, four, five or more insulation blocks 11. Three, four, five or more connection structures 12 may also be provided between two adjacent insulation blocks 11.

[0052] It should be noted that the number of insulation blocks 11 included in each insulation module 10 of the nuclear reactor insulation layer 1 may be the same or different. For example, for relatively flat areas of the reactor 2, the corresponding insulation module 10 may include a larger number of insulation blocks 11. For areas of the reactor 2 that are relatively uneven or have significant shape variations, the corresponding insulation module 10 may include a smaller number of insulation blocks 11. No specific limitation is made here.

[0053] It should be noted that, except for the insulation block 11 in a location with a relatively unique structure to reactor 2, the other insulation blocks 11 can be of uniform size, which facilitates splicing and assembly and improves production and assembly efficiency.

[0054] It should be noted that the design of this connection structure 12 must take into account the compact layout of reactor 2 and minimize its space occupation. Specifically, the connection structure 12 can adopt existing connection structures such as quick-release clips.

[0055] Of course, for local areas of the reactor that do not require inspection or maintenance, the connection structure 12 can also adopt other structures such as riveting.

[0056] In some embodiments, when the insulation module 10 includes at least two insulation blocks 11, at least one sealing element may also be provided between two adjacent insulation blocks 11 to cover the gap between them. In this way, the installation quality of the nuclear reactor insulation layer 1 can be ensured, heat loss caused by gaps between insulation blocks 11 can be avoided, and the thermal efficiency and safety of the reactor 2 can be ensured.

[0057] Specifically, the sealing element can be a plate-shaped structure such as a steel plate or insulation board, which covers the side of the nuclear reactor insulation layer 1 away from the reactor 2 along the thickness direction, and is set between two adjacent insulation blocks 11 to cover the gap between them and ensure the insulation effect.

[0058] In other embodiments, the seal may also be a flexible sealing strip or similar structure, disposed between the sidewalls of two adjacent insulation blocks 11 to seal the gap between them.

[0059] Understandably, the above-mentioned technical features can be used in any combination without restriction.

[0060] The above embodiments merely illustrate specific implementation methods of this application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this application's patent. It should be noted that those skilled in the art can freely combine the above technical features without departing from the concept of this application, and can also make several modifications and improvements, all of which fall within the protection scope of this application. Therefore, any equivalent transformations and modifications made within the scope of the claims of this application should be covered by the claims of this application.

Claims

1. A nuclear reactor insulation layer, characterized in that, include: An installation frame (20) adapted to the outer contour of the reactor (2) defines multiple installation windows (21). Multiple insulation modules (10) adapted to the outer contour of the reactor (2) are provided, and the insulation modules (10) are detachably disposed within the installation window (21).

2. The nuclear reactor insulation layer according to claim 1, characterized in that, The insulation module (10) includes at least one insulation block (11); the at least one insulation block (11) is detachably disposed within the installation window (21).

3. The nuclear reactor insulation layer according to claim 2, characterized in that, At least one fastening structure is provided between the at least one insulation block (11) and the wall of the installation window (21); the at least one insulation block (11) is detachably disposed in the installation window (21) by means of the at least one fastening structure.

4. The nuclear reactor insulation layer according to claim 3, characterized in that, The fastening structure includes a protrusion (111) and an assembly groove (22); one of the protrusion (111) and the assembly groove (22) is disposed on one side of the insulation block (11), and the other is disposed on the opening wall of the installation window (21).

5. The nuclear reactor insulation layer according to claim 3, characterized in that, At least two fastening structures are provided between the at least one insulation block (11) and the wall of the installation window (21); the at least two fastening structures are provided on opposite sides of the at least one insulation block (11).

6. The nuclear reactor insulation layer according to claim 2, characterized in that, The insulation module (10) includes at least two insulation blocks (11) and at least one connecting structure (12); two adjacent insulation blocks (11) are detachably connected through the at least one connecting structure (12).

7. The nuclear reactor insulation layer according to claim 6, characterized in that, The connection structure (12) includes a first connector (121) and a second connector (122); the first connector (121) is disposed on one of the two adjacent insulation blocks (11); the second connector (122) is disposed on the other one and is detachably connected to the first connector (121).

8. The nuclear reactor insulation layer according to claim 6, characterized in that, It also includes at least one seal, which is detachably disposed at the connection between two adjacent insulation blocks (11).

9. The nuclear reactor insulation layer according to claim 2, characterized in that, It also includes at least one seal, which is detachably disposed at the connection between the at least one insulation block (11) and the mounting frame (20).

10. The nuclear reactor insulation layer according to any one of claims 1 to 9, characterized in that, The mounting frame (20) includes multiple frames (201), each of which defines an mounting window (21). The frames (201) are configured in a one-to-one correspondence with the insulation modules (10).

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