Method for manufacturing a divertor cassette for a nuclear fusion device
By using segmented manufacturing and assembly tooling welding methods, the problems of poor manufacturing quality and high cost of the divertor housing of nuclear fusion devices were solved, achieving a high-efficiency and low-cost manufacturing process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 聚变新能(安徽)有限公司
- Filing Date
- 2026-05-06
- Publication Date
- 2026-06-05
AI Technical Summary
In existing technologies, the manufacturing quality of divertor housings for nuclear fusion devices is poor, resulting in high manufacturing costs and low efficiency.
A segmented manufacturing method is adopted, dividing the divertor housing into multiple modules, which are then welded using assembly tooling. Bevels and welding grooves are used to reduce welding difficulty and improve manufacturing efficiency and quality.
This improved the manufacturing efficiency of the divertor housing, reduced manufacturing costs, and ensured manufacturing quality and performance.
Smart Images
Figure CN122142607A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of nuclear fusion device technology, and in particular to a method for manufacturing a divertor housing for a nuclear fusion device. Background Technology
[0002] The divertor is one of the core components of a tokamak fusion device. It mainly consists of an inner target plate, an outer target plate, a support box, and a cooling system. It is the transition zone where high-temperature plasma comes into direct contact with materials. Its main functions are to shield impurities and remove helium ash and heat.
[0003] The support box typically contains complex chambers for cooling liquid circulation, which means that the support box must withstand high-temperature baking and continuous scouring by cooling liquid during operation. In addition, as the main support structure of the divertor, the support box is relatively large. Furthermore, because the fusion device operates under complex conditions, the support box needs to maintain functional stability throughout the entire operating cycle.
[0004] However, the existing support box is of poor quality during manufacturing, which affects its performance. Moreover, the existing support box is not only expensive to manufacture, but also inefficient. Summary of the Invention
[0005] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a method for manufacturing a divertor housing for a nuclear fusion device. This method improves the manufacturing efficiency of the divertor housing, reduces its manufacturing cost, and ensures its manufacturing quality, thus solving the technical problems of poor quality, high manufacturing cost, and low manufacturing efficiency of the support housing in the prior art.
[0006] According to an embodiment of the present invention, a method for manufacturing a divertor housing for a nuclear fusion device is disclosed. The method is based on an assembly fixture, which includes a body portion comprising a first portion and a second portion disposed opposite to each other along the length of the divertor housing. The manufacturing method includes the following steps: manufacturing the divertor housing in segments, such that the divertor housing is formed at least as a first module and a second module, the first module and the second module being arranged sequentially along the length of the divertor housing; machining bevels on the base plates of both the first module and the second module, the bevels on the first module and the second module being disposed opposite to each other to form welding grooves; placing the first module on the first portion and the second module on the second portion, the top surface contour of the first portion being adapted to and tightly joined with the bottom surface contour of the first module, the top surface contour of the second portion being adapted to and tightly joined with the bottom surface contour of the second module; and welding the divertor housing at the welding grooves.
[0007] According to the manufacturing method of the divertor housing of the nuclear fusion device of the present invention, the divertor housing is manufactured in sections, so that the divertor housing is formed into at least two separate modules, namely a first module and a second module. The first module and the second module are then welded together to form the divertor housing. This method improves the manufacturing efficiency of the divertor housing, reduces the manufacturing cost, and ensures the manufacturing quality of the divertor housing, thereby guaranteeing the working performance of the divertor housing. At the same time, by setting assembly fixtures, the divertor housing can be stably supported by the assembly fixtures, ensuring the stability of the divertor housing during welding. Furthermore, by machining bevels on the base plates of both the first module and the second module, and the bevels on the first module and the second module being arranged opposite each other to form a welding groove, the welding groove can reduce the welding difficulty of the first module and the second module.
[0008] In some embodiments, the first module and / or the second module includes a separate third part and a fourth part, the third part and the fourth part being arranged sequentially along the length direction of the divertor housing, and the bevels are machined on the bottom plates of the third part and the fourth part, and the bevels on the third part and the fourth part are arranged opposite to each other to form the welding groove.
[0009] In some embodiments, in the thickness direction of the base plate, the welding groove includes a first welding groove and a second welding groove arranged in sequence, the first welding groove being disposed towards the body portion, and the depth of the first welding groove being greater than the depth of the second welding groove.
[0010] In some embodiments, the depth of the first welding groove is D1, and the depth of the second welding groove is D2, wherein D1 = 3D2~5D2; the included angle between the opposite side walls of the first welding groove and / or the second welding groove is in the range of 60°~70°.
[0011] In some embodiments, the direction in which the first part and the second part are arranged relative to each other is defined as a first direction. Support rods are provided on opposite sides of the first part and the second part in a second direction. The support rods on the first part and the second part are arranged relative to each other in the first direction. The assembly fixture also includes a plurality of pull rods, at least two of which are respectively provided on opposite sides of the body in the second direction. The second direction intersects the first direction. Before the first module is placed on the first part and the second module is placed on the second part, the assembly fixture further includes the following steps: passing the pull rods sequentially through the support rods on the first part and the support rods on the second part and fixing them to the support rods. The first part and the second part are spaced apart in the first direction.
[0012] In some embodiments, the distance between the first part and the second part is 2mm to 4mm.
[0013] In some embodiments, the main body is provided with a plurality of pull rods on the same side in the second direction, and the plurality of pull rods are arranged at intervals along a third direction, wherein the third direction, the second direction and the first direction intersect each other.
[0014] In some embodiments, the assembly fixture further includes a pressure plate assembly, the pressure plate assembly including a pressure plate extending along the second direction, both opposite ends of the pressure plate being detachably mounted on the support rod, the pressure plate being used to press the divertor housing on the side opposite to the main body; after the first module is disposed on the first part and the second module is disposed on the second part, the fixture further includes the following step: fixing both opposite ends of the pressure plate to the support rod to press the pressure plate on the side of the divertor housing opposite to the main body.
[0015] In some embodiments, the pressure plate assembly includes a plurality of pressure plate assemblies, which are arranged at intervals, and both the first module and the second module are provided with a plurality of pressure plate assemblies.
[0016] In some embodiments, after the first module is disposed on the first part and the second module is disposed on the second part, the method further includes the step of placing at least one stress strain gauge between the first module and the first part and between the second module and the second part.
[0017] In some embodiments, welding the divertor housing at the welding groove includes the following steps: simultaneously spot welding and fixing in multiple first welding grooves; simultaneously using multiple welders to perform root pass welding on multiple first welding grooves respectively; after the root pass welding is completed, inspect the weld and simultaneously perform filler welding; observe the stress strain gauge values and adjust the welding sequence of multiple first welding grooves according to the values.
[0018] In some embodiments, the assembly fixture further includes multiple nuts. The outer periphery of the pull rod is provided with external threads. The nuts are sleeved on the outer periphery of the pull rod, and the support rod is provided with nuts on both sides of opposite sides in the first direction. Two nuts cooperate to fix the pull rod on the support rod. Adjusting the welding sequence of multiple first welding grooves according to the value includes the following steps: loosening the nuts so that the first part and the second part can move toward each other; after the first welding groove is welded, cleaning the root of the first welding groove and performing a penetration test after cleaning; welding the second welding groove; after the second welding groove is welded, placing the divertor housing and the assembly fixture into a heat treatment furnace for stress relief treatment; and sequentially removing the pressure plate, the divertor housing, and the pull rod.
[0019] In some embodiments, the body portion is provided with a clearance groove and a lifting hole, the clearance groove being positioned directly opposite the welding groove.
[0020] In some embodiments, in the thickness direction of the body portion, the body portion includes a plurality of support plates arranged sequentially, the plurality of support plates being spaced apart, and adjacent support plates being fixedly connected by at least one fixing block.
[0021] Additional aspects and advantages of the invention will become apparent from the description which follows, or may be learned by practice of the invention. Attached Figure Description
[0022] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a flowchart illustrating the steps of a method for manufacturing a divertor housing according to some embodiments of the present invention; Figure 2 This is a schematic diagram of the divertor housing and assembly tooling according to some embodiments of the present invention; Figure 3 for Figure 2 The front view; Figure 4 This is an exploded view of the divertor housing and assembly tooling according to other embodiments of the present invention; Figure 5 for Figure 4 A magnified view of region I in the middle; Figure 6 This is a schematic diagram of the divertor housing according to some embodiments of the present invention; Figure 7 This is a cross-sectional view of the welding groove of the divertor housing according to some embodiments of the present invention; Figure 8 This is a flowchart illustrating the specific steps of a method for manufacturing a divertor housing according to some embodiments of the present invention.
[0023] Figure label: 1000. Divertor housing; 100. Module One; 110. Third part; 111. First limiting protrusion; 120. Part Four; 121. Second Limiting Protrusion; 200. Module Two; 300, Welding groove; 310, Bevel; 320, First welding groove; 330, Second welding groove; 1100. Assembly tooling; 1110. Body part; 1111, First Part; 1117, First Limiting Groove; 1112, Part Two; 1118, Second Limiting Groove; 1113. Clearance groove; 1114. Lifting hole; 1115. Support plate; 1116. Fixing block; 1120. Support rod; 1130. Pull rod; 1140, Pressure plate assembly; 1141, Pressure plate; 1142, Fastener. Detailed Implementation
[0024] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention 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 invention.
[0026] The divertor housing of the compact fusion experimental device is larger and more complex than that of the existing fusion devices EAST (Experimental Advanced Superconducting Tokamak) and HL-3 (China Tokamak-3). Typically, the height of the divertor housing exceeds 1m and the length approaches 2m. The overall structure of the divertor housing is made of 316 series stainless steel with a material thickness of 25mm. At the same time, the interior of the divertor housing contains numerous cavity channels and multiple curved surface structures. The overall dimensional accuracy of the divertor housing after manufacturing must reach 0.5mm of verticality and 0.7mm of flatness. Therefore, the overall manufacturing process of the divertor housing has very stringent requirements.
[0027] In existing technologies, divertor housings are generally manufactured using a one-piece forging process. This method has at least the following problems: the divertor housing typically requires machining on a lathe using a single forging, and the material of the resulting divertor housing accounts for less than 50% of the original forging material, resulting in significant material waste; furthermore, the large amount of machining required for the one-piece divertor housing leads to an excessively long machining cycle, and since a single machine (high-precision machine tool) can usually only produce one divertor housing, while a fusion device requires at least dozens of divertor housings, this production schedule severely impacts the overall manufacturing progress of the fusion device; additionally, due to the large amount of machining required for the divertor housing and its high dependence on high-precision machine tools, accelerating the production of the divertor housing necessitates the investment of a large number of high-precision machine tools, resulting in excessively high manufacturing costs.
[0028] To solve the above problems, combined with Figures 1-8 As shown, this application proposes a method for manufacturing a divertor housing 1000 for a nuclear fusion device.
[0029] The following describes a method for manufacturing a divertor housing 1000 for a nuclear fusion device according to an embodiment of the present invention, with reference to the accompanying drawings.
[0030] Combination Figures 1-7 As shown, a method for manufacturing a divertor housing 1000 for a nuclear fusion device according to an embodiment of the present invention is based on an assembly fixture 1100. The assembly fixture 1100 includes a body portion 1110, which includes a first portion 1111 and a second portion 1112 disposed opposite to each other in the length direction of the divertor housing 1000. The manufacturing method includes the following steps: S1. The divertor housing 1000 is manufactured in segments, such that the divertor housing 1000 is formed into at least two separate modules: a first module 100 and a second module 200 (the specific structures of the first module 100 and the second module 200 can be found in [reference]). Figure 6 The first module 100 and the second module 200 are arranged sequentially along the length of the divertor housing 1000.
[0031] In the above steps, by manufacturing the divertor housing 1000 in segments and forming at least a separate first module 100 and a second module 200, the manufacturing difficulty of the divertor housing 1000 can be reduced compared to the prior art of integrally processing the divertor housing. At the same time, the segmented processing can reduce the manufacturing materials of the divertor housing 1000, thereby reducing the manufacturing cost of the divertor housing 1000.
[0032] The phrase "at least the divertor housing 1000 is formed as a separate first module 100 and a second module 200" means that the divertor housing 1000 is not limited to being manufactured in sections to form separate first modules 100 and second modules 200, but may also be manufactured in sections to form separate first modules 100, second modules 200 and other modules.
[0033] S2. Bevels 310 are machined on the base plates of both the first module 100 and the second module 200 (the specific structure of the bevel 310 can be found in [reference]). Figure 7 The bevels 310 on the first module 100 and the second module 200 are arranged opposite each other to form a welding groove 300.
[0034] In the above steps, by machining bevels 310 on the base plates of both the first module 100 and the second module 200, and by arranging the bevels 310 on the first module 100 and the second module 200 opposite to each other to form a welding groove 300, the welding difficulty of the first module 100 and the second module 200 can be reduced in the future.
[0035] It should be noted that the processing position of the bevel 310 should avoid the curved structure of the first module 100 and the second module 200. This can prevent the curved structure from deforming under the action of welding stress, thereby ensuring the welding quality of the first module 100 and the second module 200, and helping to ensure the structural strength of the divertor housing 1000 formed by the subsequent welding of the first module 100 and the second module 200.
[0036] S3. The first module 100 is placed on the first part 1111 and the second module 200 is placed on the second part 1112. The top contour of the first part 1111 is adapted to the bottom contour of the first module 100 and the two are tightly connected. The top contour of the second part 1112 is adapted to the bottom contour of the second module 200 and the two are tightly connected.
[0037] In the above steps, the first part 1111 and the second part 1112 can be used to support the first module 100 and the second module 200 to ensure the positional stability of the first module 100 and the second module 200 during subsequent welding.
[0038] S4. Weld the divertor housing 1000 at the welding groove 300.
[0039] In the above steps, the first module 100 and the second module 200 are welded together to form the divertor housing 1000. This not only improves the manufacturing efficiency of the divertor housing 1000, but also reduces the manufacturing cost of the divertor housing 1000 and ensures the manufacturing quality of the divertor housing 1000, thereby guaranteeing the working performance of the divertor housing 1000.
[0040] As can be seen from the above method, the manufacturing method of the divertor housing 1000 of the nuclear fusion device of the present invention, by manufacturing the divertor housing 1000 in segments, so that the divertor housing 1000 is formed into at least a separate first module 100 and a second module 200, and welding the first module 100 and the second module 200 to form the divertor housing 1000, can not only improve the manufacturing efficiency of the divertor housing 1000, but also reduce the manufacturing cost of the divertor housing 1000, and can ensure the manufacturing quality of the divertor housing 1000.
[0041] Meanwhile, by setting up an assembly fixture 1100 including a first part 1111 and a second part 1112, the assembly fixture 1100 can stably support the divertor housing 1000, ensuring the stability of the divertor housing 1000 during welding.
[0042] Furthermore, by machining bevels 310 on the base plates of both the first module 100 and the second module 200, and by arranging the bevels 310 on the first module 100 and the second module 200 opposite to each other to form a welding groove 300, the welding difficulty of the first module 100 and the second module 200 can be reduced.
[0043] Understandably, compared with the prior art, this application can improve the manufacturing efficiency of the divertor housing 1000, reduce the manufacturing cost of the divertor housing 1000, and ensure the manufacturing quality of the divertor housing 1000.
[0044] In some embodiments, combined with Figure 3 , Figure 6 as well as Figure 7 As shown, the first module 100 and / or the second module 200 include separate third parts 110 and fourth parts 120, which are arranged sequentially along the length of the divertor housing 1000. Both the base plates of the third parts 110 and 120 are machined with bevels 310, which are arranged opposite each other to form welding grooves 300. By configuring the first module 100 and / or the second module 200 to include separate third parts 110 and fourth parts 120, the manufacturing materials of the divertor housing 1000 can be further reduced, significantly lowering the manufacturing cost of the divertor housing 1000.
[0045] Meanwhile, by machining bevels 310 on the base plates of both the third part 110 and the fourth part 120, and by arranging the bevels 310 on the third part 110 and the fourth part 120 opposite each other to form a welding groove 300, the welding difficulty between the third part 110 and the fourth part 120 can be reduced.
[0046] Furthermore, the statement that the first module 100 and / or the second module 200 includes separate third parts 110 and fourth parts 120 means that the first module 100 includes separate third parts 110 and fourth parts 120, or that the second module 200 includes separate third parts 110 and fourth parts 120, or that both the first module 100 and the second module 200 include separate third parts 110 and fourth parts 120.
[0047] In the description of this invention, features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include one or more of these features, used to distinguish and describe features, without any order or emphasis.
[0048] In specific examples, such as Figure 6 As shown, both the first module 100 and the second module 200 include separate third parts 110 and fourth parts 120. That is, this application divides the divertor housing 1000 into four parts, which can reduce the production cost of the divertor housing 1000. At the same time, by welding the third parts 110 and fourth parts 120 of the first module 100, welding the fourth parts 120 of the first module 100 and the third parts 110 of the second module 200, and welding the third parts 110 and fourth parts 120 of the second module 200, an integral divertor housing 1000 structure is formed. This can ensure the manufacturing quality of the divertor housing 1000 and improve the manufacturing efficiency of the divertor housing 1000.
[0049] In some embodiments, combined with Figure 3 , Figure 6 as well as Figure 7 As shown, in the thickness direction of the base plate, the welding groove 300 includes a first welding groove 320 and a second welding groove 330 arranged in sequence. The first welding groove 320 is disposed towards the body portion 1110, and the depth of the first welding groove 320 is greater than the depth of the second welding groove 330. By configuring the welding groove 300 to include the first welding groove 320 and the second welding groove 330 arranged in sequence, the welding amount of the third portion 110 and the fourth portion 120 can be reduced, the welding stress can be reduced, and the welding efficiency of the divertor housing 1000 can be improved to a certain extent.
[0050] Meanwhile, by aligning the first welding groove 320 towards the body portion 1110 and setting the depth of the first welding groove 320 to be greater than the depth of the second welding groove 330, the main welding portion of the welding groove 300 faces the body portion 1110. This allows the third portion 110 and the fourth portion 120 to contract towards the body portion 1110 during welding of the first welding groove 320. This facilitates the use of the overall rigidity of the body portion 1110 to resist this contraction force, thereby achieving stable support of the third portion 110 and the fourth portion 120 by the body portion 1110. To prevent the third part 110 and the fourth part 120 from being unsupported under the action of welding shrinkage force, which would affect the welding quality of the third part 110 and the fourth part 120, and to prevent welding defects, a second welding groove 330 is designed on the side away from the main body 1110. This groove can be used to remove root defects of the weld of the first welding groove 320 and can, to a certain extent, offset the accumulated stress of the third part 110 and the fourth part 120 on the side facing the main body 1110, thereby further improving the welding quality of the third part 110 and the fourth part 120.
[0051] In some embodiments, such as Figure 7 As shown, the depth of the first welding groove 320 is D1, and the depth of the second welding groove 330 is D2, where D1 = 3D2~5D2. This ensures that the depth of the first welding groove 320 is greater than the depth of the second welding groove 330, guaranteeing that the main welding portion of the welding groove 300 faces the body portion 1110. This facilitates effective support of the divertor housing 1000 by the body portion 1110, ensuring the reliability of the divertor housing 1000 during the welding process.
[0052] Specifically, the ratio between the depth D1 of the first welding groove 320 and the depth D2 of the second welding groove 330 is D1 = 3D2, D1 = 4D2, or D1 = 5D2, etc.
[0053] In some examples, since the thickness of the base plate of the divertor housing 1000 is usually 25mm, the depth of the welding groove 300 is set to 25mm, the depth D2 of the second welding groove 330 is in the range of 5mm~10mm, and the depth D1 of the first welding groove 320 is in the range of 15mm~20mm, so as to satisfy the condition that the depth of the first welding groove 320 is greater than the depth D2 of the second welding groove 330.
[0054] Of course, in some other embodiments, the values of the depth D1 of the first welding groove 320 and the depth D2 of the second welding groove 330 can be set according to the thickness of the divertor housing 1000 of different sizes, as long as the prerequisite of D1 = 3D2~5D2 is met.
[0055] In some embodiments, such as Figure 7As shown, the included angle between the two opposite side walls of the first welding groove 320 and / or the second welding groove 330 ranges from 60° to 70°. This can be understood as the included angle α between the two opposite side walls of the first welding groove 320 ranging from 60° to 70°, or the included angle β between the two opposite side walls of the second welding groove 330 ranging from 60° to 70°, or both the included angle α between the two opposite side walls of the first welding groove 320 and the included angle β between the two opposite side walls of the second welding groove 330 being 60° to 70°. Through the above settings, the angles α and β can be avoided from being too large or too small, so as to reduce the amount of welding between the third part 110 and the fourth part 120 while ensuring the welding quality of the third part 110 and the fourth part 120, thereby ensuring the welding quality and structural strength of the divertor housing 1000.
[0056] Specifically, the included angle α between the two opposite side walls of the first welding groove 320 and the included angle β between the two opposite side walls of the second welding groove 330 are 60°, 61°, 62°, 63°, 64°, 65°, 66°, 67°, 68°, 69° or 70°, etc.
[0057] It should be noted that the size and angle of the bevel 310 can be designed specifically to flexibly adjust the size and angle of the first welding groove 320 and the second welding groove 330, so that the amount of welding can be reduced during the manufacturing of the divertor housing 1000 while also controlling the welding quality.
[0058] In some embodiments, combined with Figures 1-4 as well as Figure 8As shown, the direction in which the first part 1111 and the second part 1112 are arranged opposite each other is defined as the first direction. Support rods 1120 are provided on both sides of the first part 1111 and the second part 1112 in the second direction. The support rods 1120 on the first part 1111 and the support rods 1120 on the second part 1112 are arranged opposite each other in the first direction. The assembly tooling 1100 also includes a plurality of tie rods 1130. At least two tie rods 1130 are respectively provided on both sides of the body part 1110 in the second direction. The second direction intersects with the first direction. By providing support rods 1120 on both sides of the first part 1111 and the second part 1112 in the second direction, and the support rods 1120 on the first part 1111 and the second part 1112 are arranged opposite to each other in the first direction; before setting the first module 100 on the first part 1111 and the second module 200 on the second part 1112, the following steps are also included: S03, the pull rod 1130 is sequentially passed through the support rods 1120 on the first part 1111 and the support rods 1120 on the second part 1112 and fixedly connected to the support rods 1120, and the first part 1111 and the second part 1112 are spaced apart in the first direction. Specifically, by sequentially threading the tie rod 1130 through the support rod 1120 on the first part 1111 and the support rod 1120 on the second part 1112 and fixing it to the support rod 1120, the first part 1111 and the second part 1112 are assembled by the tie rod 1130, which facilitates the initial installation of the first module 100 and the second module 200. At the same time, it also facilitates the effective support of the tie rod 1130 by the support rod 1120, ensuring the positional stability of the tie rod 1130, and thus ensuring the relative positional stability of the first part 1111 and the second part 1112.
[0059] Furthermore, by setting the first part 1111 and the second part 1112 at a distance in the first direction and assembling them with the pull rod 1130, a certain gap is formed between the first part 1111 and the second part 1112. This gap can be adjusted by the pull rod 1130, thereby preventing the first part 1111 and the second part 1112 from being squeezed due to cooling shrinkage deformation after the first module 100 and the second module 200 are welded. This avoids the first part 1111 and the second part 1112 from squeezing each other after the first module 100 and the second module 200 are welded, thus facilitating the subsequent disassembly of the first part 1111 and the second part 1112.
[0060] In some embodiments, the distance between the first part 1111 and the second part 1112 is 2mm to 4mm. This is to avoid the distance between the first part 1111 and the second part 1112 being too large or too small, and to ensure that the distance between the first part 1111 and the second part 1112 is moderate. This can effectively prevent the first part 1111 and the second part 1112 from deforming in the opposite direction, and reduce the difficulty of adjusting the distance between the first part 1111 and the second part 1112 by the pull rod 1130.
[0061] Specifically, the distance between the first part 1111 and the second part 1112 is 2mm, 3mm or 4mm, etc.
[0062] In some embodiments, combined with Figure 3 and Figure 4 As shown, the main body 1110 is provided with multiple tie rods 1130 on the same side in the second direction. The multiple tie rods 1130 are arranged at intervals along the third direction, and the third direction, the second direction, and the first direction intersect each other. The multiple tie rods 1130 can improve the connection reliability of the support rod 1120 on the first part 1111 and the support rod 1120 on the second part 1112, and effectively ensure the relative positional stability between the first part 1111 and the second part 1112.
[0063] In the description of this invention, unless otherwise stated, "a plurality of" means two or more.
[0064] In specific examples, combined Figure 3 and Figure 4 As shown, the main body 1110 is provided with two pull rods 1130 on the same side in the second direction. The two pull rods 1130 are arranged at intervals along the third direction, which can improve the relative positional stability between the first part 1111 and the second part 1112.
[0065] In some embodiments, combined with Figure 3 , Figure 4 and Figure 8As shown, the assembly fixture 1100 also includes a pressure plate assembly 1140, which includes a pressure plate 1141 extending along a second direction. Both ends of the pressure plate 1141 are detachably mounted on the support rod 1120. The pressure plate 1141 is used to press the side of the divertor housing 1000 away from the main body 1110. After the first module 100 is disposed on the first part 1111 and the second module 200 is disposed on the second part 1112, the following step is further included: S31, both ends of the pressure plate 1141 are fixedly mounted on the support rod 1120 to press the pressure plate 1141 on the side of the divertor housing 1000 away from the main body 1110. By detachably mounting the pressure plate 1141 on the support rod 1120 at both ends, the difficulty of assembling and disassembling the pressure plate 1141 can be reduced, thereby reducing the difficulty of setting the first module 100 on the first part 1111 and the second module 200 on the second part 1112.
[0066] Meanwhile, by pressing the pressure plate 1141 against the side of the divertor housing 1000 away from the main body 1110, the divertor housing 1000 can be effectively fastened to the main body 1110, preventing the divertor housing 1000 from shaking or shifting during the welding process, thereby ensuring the welding quality of the divertor housing 1000 and preventing the divertor housing 1000 from deforming.
[0067] In some embodiments, combined with Figure 3 and Figure 4 As shown, the pressure plate assembly 1140 includes fasteners 1142. Both ends of the pressure plate 1141 are detachably mounted on the support rod 1120 via the fasteners 1142. The fasteners 1142 reduce the installation difficulty of the pressure plate 1141, allowing the pressure plate 1141 to be pressed and fixed on the side of the divertor housing 1000 away from the main body 1110. The installation and removal of the pressure plate 1141 can also be achieved by adjusting the tightness of the fasteners 1142. This facilitates the placement of the first module 100 on the first part 1111 and the second module 200 on the second part 1112, and also facilitates the removal of the welded divertor housing 1000 from the main body 1110.
[0068] Optionally, fastener 1142 is a hexagonal nut, wing nut, etc.
[0069] In a specific example, when the pull rod 1130 is sequentially passed through the support rod 1120 on the first part 1111 and the support rod 1120 on the second part 1112 and fixedly connected to the support rod 1120, after the first part 1111 and the second part 1112 are spaced apart in the first direction, the fastener 1142 is loosened to remove the pressure plate 1141 from the top of the support rod 1120, so that the first module 100 can be placed on the first part 1111 and the second module 200 can be placed on the second part 1112. Then, by tightening the fastener 1142, the pressure plate 1141 is pressed and fixed on the side of the divertor housing 1000 away from the main body 1110. Subsequently, after the welding groove 300 between the third part 110 and the fourth part 120 is finished and the overall divertor housing 1000 is formed, the fastener 1142 is loosened to remove the pressure plate 1141, so that the divertor housing 1000 can be removed from the main body 1110.
[0070] In some embodiments, combined with Figure 3 and Figure 4 As shown, the pressure plate assembly 1140 includes multiple pressure plate assemblies 1140 arranged at intervals, and both the first module 100 and the second module 200 are provided with multiple pressure plate assemblies 1140. The multiple pressure plate assemblies 1140 can improve the fastening of the first module 100 and the second module 200 on the body part 1110, and improve the positional stability of the first module 100 and the second module 200 during subsequent welding.
[0071] In specific examples, combined Figure 3 and Figure 4 As shown, there are five pressure plate assemblies 1140, two of which are used to press and fix the fourth part 120 of the first module 100 onto the first part 1111, two of which are used to press and fix the third part 110 of the second module 200 onto the second part 1112, and the other pressure plate assembly 1140 is used to press and fix the fourth part 120 of the second module 200 onto the second part 1112, thereby realizing that the first module 100 is disposed on the first part 1111 and the second module 200 is disposed on the second part 1112.
[0072] It should be noted that since the third part 110 of the first module 100 is smaller in length than the other segmented structures of the divertor housing 1000, the positional stability of the third part 110 of the first module 100 can be ensured by using the first part 1111 to support the third part 110 of the first module 100, without the need to use the pressure plate assembly 1140.
[0073] In some embodiments, combined with Figure 2 and Figure 3As shown, the first part 1111 is provided with a first limiting groove 1117, and the third part 110 of the first module 100 is provided with a first limiting protrusion 111. The first limiting groove 1117 and the first limiting protrusion 111 are engaged to stop the third part 110 of the first module 100 from engaging with the first part 1111. By setting the first limiting groove 1117 and the first limiting protrusion 111, and utilizing the limiting engagement of the first limiting groove 1117 and the first limiting protrusion 111, the positioning difficulty of the third part 110 of the first module 100 can be reduced, making it easier to use the first part 1111 to stably support the third part 110 of the first module 100, thus improving the positional stability of the third part 110 of the first module 100.
[0074] Meanwhile, when welding the first welding groove 320 between the third part 110 and the fourth part 120 in the first module 100, the welding shrinkage stress has a tensile stress on the third part 110 of the first module 100 in the direction of the second part 1112. At this time, the first part 1111 can be used to offset this tensile stress, thereby avoiding welding deformation of the third part 110 of the first module 100 and ensuring the welding quality of the third part 110 and the fourth part 120 in the first module 100.
[0075] Of course, in some other embodiments, a first limiting protrusion 111 may be provided on the first part 1111, and a first limiting groove 1117 may be provided on the third part 110 of the first module 100.
[0076] In some embodiments, combined with Figure 2 and Figure 3 As shown, the second part 1112 is provided with a second limiting groove 1118, and the fourth part 120 of the second module 200 is provided with a second limiting protrusion 121. The second limiting groove 1118 and the second limiting protrusion 121 engage in a limiting fit to prevent the fourth part 120 of the second module 200 from being fitted onto the second part 1112. While the pressure plate assembly 1140 presses the fourth part 120 of the second module 200 onto the second part 1112, the limiting fit of the second limiting groove 1118 and the second limiting protrusion 121 can further and more stably fix the fourth part 120 of the second module 200 to the second part 1112, thereby greatly improving the relative positional stability between the fourth part 120 of the second module 200 and the second part 1112.
[0077] Of course, in some other embodiments, a second limiting protrusion 121 may be provided on the second part 1112, and a second limiting groove 1118 may be provided on the fourth part 120 of the second module 200.
[0078] In some embodiments, combined with Figure 1 and Figure 8As shown, after the first module 100 is placed on the first part 1111 and the second module 200 is placed on the second part 1112, the following step is further included: S32, at least one strain gauge (not shown in the figure) is placed between the first module 100 and the first part 1111, and between the second module 200 and the second part 1112. This is to detect the difference in weld shrinkage stress between the third part 110 and the fourth part 120 during welding using at least one strain gauge. By observing the values of the strain gauges, it is convenient to adjust the welding sequence between the third part 110 and the fourth part 120 in the first module 100, between the fourth part 120 of the first module 100 and the third part 110 of the second module 200, and between the third part 110 and the fourth part 120 of the second module 200 according to the actual welding stress conditions, thereby facilitating the control of the welding quality of the divertor housing 1000.
[0079] Meanwhile, placing at least one strain gauge between the first module 100 and the first part 1111, and between the second module 200 and the second part 1112, can be understood as not being limited to placing one strain gauge between the first module 100 and the first part 1111, and between the second module 200 and the second part 1112. Two, three, or more strain gauges can also be placed between the first module 100 and the first part 1111, and between the second module 200 and the second part 1112, in order to improve the detection accuracy of the strain gauges and make the difference value of weld shrinkage stress between the third part 110 and the fourth part 120 more accurate.
[0080] In a specific example, two strain gauges are placed between the third part 110 and the first part 1111 of the first module 100 and between the fourth part 120 and the second part 1112 of the second module 200, wherein the two strain gauges are arranged opposite to each other in the second direction.
[0081] In some embodiments, combined with Figure 1 and Figure 8 As shown, welding is performed on the divertor housing 1000 at the welding groove 300, including the following steps: S41. Spot welding is performed simultaneously in multiple first welding grooves 320.
[0082] In the above steps, the third part 110 and the fourth part 120 of the first module 100, the fourth part 120 of the first module 100 and the third part 110 of the second module 200, and the third part 110 and the fourth part 120 of the second module 200 are initially and quickly fixed together.
[0083] S42. At the same time, multiple welders are used to perform root welding on multiple first welding grooves 320.
[0084] In the above steps, the use of multiple welders can improve the welding efficiency of multiple first welding grooves 320, thereby increasing the production progress of the divertor housing 1000.
[0085] In a specific example, there are three first welding grooves 320, and correspondingly, three welders simultaneously perform root pass welding on the three first welding grooves 320 using manual argon arc welding.
[0086] S43. After the root pass welding is completed, inspect the weld and simultaneously perform filler welding.
[0087] In the above steps, by inspecting the weld after the root pass welding is completed, the welding quality can be guaranteed to a certain extent. On the premise of good weld, multiple first welding grooves 320 are filled and welded simultaneously so that a continuous and thick weld can be formed in the multiple first welding grooves 320, thereby improving the connection strength of the third part 110 and the fourth part 120 in the first module 100, the fourth part 120 in the first module 100 and the third part 110 in the second module 200, and the third part 110 and the fourth part 120 in the second module 200.
[0088] It should be noted that if the weld is found to be substandard after the initial welding is completed, minor defects can be repaired by welding to make the weld pass the test; if serious defects are found, the weld can be removed and re-welded to make the weld pass the test.
[0089] Observe the values of the stress strain gauges and adjust the welding sequence of multiple first welding grooves 320 according to the values.
[0090] In the above steps, it can be understood that when the stress strain gauge values of one or two first welding grooves 320 differ too much from those of other first welding grooves 320, the welding of this first welding groove 320 can be paused, and the other first welding grooves 320 can be welded first. The stress strain gauge values can then be observed again. When the difference between the stress strain gauge values of one or two first welding grooves 320 and those of other first welding grooves 320 decreases and approaches zero, the welding of multiple first welding grooves 320 can be continued simultaneously.
[0091] In some embodiments, combined with Figure 4 and Figure 8As shown, the assembly fixture 1100 also includes multiple nuts (not shown in the figure). The outer periphery of the pull rod 1130 is provided with external threads (not shown in the figure). Nuts are sleeved on the outer periphery of the pull rod 1130, and nuts are provided on both sides of the support rod 1120 in the first direction. The two nuts cooperate to fix the pull rod 1130 on the support rod 1120. When adjusting the welding sequence of the multiple first welding grooves 320 according to the values, the following steps are included: S441. Loosen the nut so that the first part 1111 and the second part 1112 can move toward each other.
[0092] In the above steps, the distance between the first part 1111 and the second part 1112 is further reduced as the welding progress of the multiple first welding grooves 320 is advanced, until all the multiple first welding grooves 320 are welded, the gap between the first part 1111 and the second part 1112 disappears, causing the first part 1111 and the second part 1112 to close together. At this time, the first module 100 and the second module 200 are welded together and form the complete dimensions of the divertor housing 1000.
[0093] It should be noted that after the tie rod 1130 is sequentially passed through the support rod 1120 on the first part 1111 and the support rod 1120 on the second part 1112, the tie rod 1130 and the support rod 1120 can be fixedly connected by tightening the nuts on opposite sides of the support rod 1120 in the first direction. When the welding sequence of multiple first welding grooves 320 is adjusted according to the values of the stress strain gauges, the nuts located between the two support rods 1120 are loosened, and the remaining nuts are kept still, so that the first part 1111 and the second part 1112 can move towards each other along the tie rod 1130.
[0094] S442. After the first welding groove 320 is welded, the first welding groove 320 is cleaned and a penetration test is performed after cleaning.
[0095] In the above steps, the unqualified, incomplete, and defective parts of the weld bottom layer of the first welding groove 320 can be completely removed by planing and grinding until the intact and clean metal is exposed, which facilitates the subsequent re-welding of the weld bottom layer, thereby improving the welding effect of the first welding groove 320 and thus improving the structural strength of the divertor housing 1000.
[0096] S443, Weld the second welding groove 330.
[0097] In the above steps, the second welding groove 330 can be understood as the root cleaning and repair welding side of the first welding groove 320. The second welding groove 330 can not only remove the root defects of the first welding groove 320 and improve the welding quality of the first welding groove 320, but also reduce the amount of welding and improve the welding efficiency of the welding groove 300.
[0098] S444 After the second welding groove 330 is welded, the divertor box 1000 and the assembly fixture 1100 are placed in the heat treatment furnace for stress relief treatment.
[0099] In the above steps, because the metal is heated to a high temperature and then cooled rapidly during welding, there will be residual welding stress inside. The residual welding stress can cause weld cracking and deformation of the third part 110 and the fourth part 120. By placing the divertor housing 1000 and the assembly fixture 1100 into the heat treatment furnace, the influence of the residual welding stress can be greatly reduced, thereby avoiding weld cracking, ensuring the connection reliability of the third part 110 and the fourth part 120, and thus ensuring the strength and dimensional stability of the divertor housing 1000.
[0100] S445, Remove the pressure plate 1141, divertor housing 1000 and pull rod 1130 in sequence.
[0101] In the above steps, it can be understood that after the divertor housing 1000 and the assembly fixture 1100 are subjected to stress relief treatment, the divertor housing 1000 and the assembly fixture 1100 are taken out from the heat treatment furnace. After taking them out, the pressure plate 1141 is removed first, which can reduce the difficulty of removing the divertor housing 1000 from the main body 1110. After removing the divertor housing 1000, the pull rod 1130 is removed by loosening the nut on the pull rod 1130, thereby removing the first part 1111 and the second part 1112 to facilitate the manufacturing of the next divertor housing 1000.
[0102] It should be noted that the assembly fixture 1100 of this application can be reused. It not only facilitates the effective support of the segmented structure of the divertor box 1000 as a base, but also allows for adaptive adjustment of the distance between the first part 1111 and the second part 1112 by the tie rod 1130. It can also control the deformation of the segmented structure of the divertor box 1000 during welding, ensuring the forming effect of the divertor box 1000.
[0103] In addition, in some other examples, an assembly fixture 1100 adapted to different sizes of divertor housings 1000 can be manufactured according to the specific structure of the subsequent divertor housings 1000. This application does not limit the size of the assembly fixture 1100.
[0104] It should also be emphasized that after the divertor housing 1000 and assembly fixture 1100 are placed in the heat treatment furnace for stress relief treatment, the pressure plate 1141 is removed, allowing the divertor housing 1000 to be in a free state. The overall dimensions of the divertor housing 1000 are then measured using a laser tracker to check the yield rate of the divertor housing 1000. After the laser tracker measurement is completed, the tie rod 1130, the first part 1111, and the second part 1112 are removed in sequence.
[0105] In some embodiments, combined with Figures 2-4 As shown, the main body 1110 is provided with a clearance groove 1113 and a lifting hole 1114, with the clearance groove 1113 facing the welding groove 300. By providing the clearance groove 1113 and positioning it facing the welding groove 300, sufficient welding space is provided for each first welding groove 320, reducing the welding difficulty of the first welding groove 320 and facilitating welding by the welder.
[0106] Meanwhile, the main body 1110 is provided with a lifting hole 1114, which can reduce the lifting difficulty of the main body 1110 and facilitate the lifting of the assembly fixture 1100 and the welded divertor box 1000 into the heat treatment furnace for stress relief treatment.
[0107] In some embodiments, combined with Figures 2-4 As shown, there are multiple lifting holes 1114, which are provided on the first part 1111 and / or the second part 1112. The multiple lifting holes 1114 can reduce the lifting difficulty of the first part 1111 and / or the second part 1112 and ensure the lifting stability of the first part 1111 and / or the second part 1112.
[0108] Meanwhile, the provision of multiple lifting holes 1114 on the first part 1111 and / or the second part 1112 means that multiple lifting holes 1114 are provided on the first part 1111, or multiple lifting holes 1114 are provided on the second part 1112, or multiple lifting holes 1114 are respectively provided on the first part 1111 and the second part 1112.
[0109] It should be noted that, as Figure 4As shown, a portion of the structure of one of the lifting holes 1114 is located in the first part 1111, and another portion is located in the second part 1112. By joining the first part 1111 and the second part 1112 together to form the overall structure of the main body 1110, the lifting hole 1114 is also spliced and formed. The lifting hole 1114 is located near the geometric center of the main body 1110. In this way, when moving the assembly fixture 1100 and the divertor box 1000 into and out of the heat treatment furnace, the assembly fixture 1100 and the divertor box 1000 can be prevented from shaking or tilting, thus ensuring the positional stability of the assembly fixture 1100 and the divertor box 1000 during the lifting process.
[0110] In some embodiments, combined with Figure 2 , Figure 4 and Figure 5 As shown, in the thickness direction of the body portion 1110, the body portion 1110 includes a plurality of support plates 1115 arranged sequentially, the plurality of support plates 1115 being spaced apart, and adjacent support plates 1115 being fixedly connected by at least one fixing block 1116. It should be noted that the thickness direction of the body portion 1110 here can be understood as... Figure 4 In the second direction shown, by configuring the body portion 1110 to include a plurality of support plates 1115 arranged in sequence at intervals, and fixing two adjacent support plates 1115 together by at least one fixing block 1116, compared with a completely solid body portion 1110 structure, this application can reduce the weight of the body portion 1110 while ensuring a certain structural strength, thereby reducing the weight of the assembly tooling 1100 and reducing the difficulty of hoisting the assembly tooling 1100 and the divertor housing 1000.
[0111] Furthermore, the fact that two adjacent support plates 1115 are fixedly connected by at least one fixing block 1116 means that two adjacent support plates 1115 can be fixedly connected by one fixing block 1116, or by two, three, four or more fixing blocks 1116.
[0112] In specific examples, combined Figure 4 and Figure 5 As shown, in the thickness direction of the body part 1110, the body part 1110 includes four support plates 1115 arranged in sequence at intervals. Adjacent support plates 1115 are fixedly connected by multiple fixing blocks 1116. This not only gives the body part 1110 a certain structural strength and enables effective support of the divertor box 1000, but also greatly reduces the weight of the body part 1110, thereby reducing the difficulty of hoisting the assembly tooling 1100 and the divertor box 1000.
[0113] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0114] Figure 3 The diagram shows two pull rods 1130 on one side of the body part 1110 in the second direction for illustrative purposes. However, after reading the above technical solution, those skilled in the art will obviously understand that applying this solution to a technical solution with one, three or more pull rods 1130 would also fall within the protection scope of this invention.
[0115] The welding methods used in the manufacturing method of the divertor housing 1000 of the nuclear fusion device according to the present invention, such as the commonly used current, gas flow rate, and key points of the welding technique for the root pass welding, such as manual argon arc welding, are known to those skilled in the art and will not be described in detail here.
[0116] In the description of this specification, references to terms such as "embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0117] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A method for manufacturing a divertor housing for a nuclear fusion device, characterized in that, The manufacturing method of the divertor housing of the nuclear fusion device is based on an assembly fixture (1100), which includes a body part (1110). The body part (1110) includes a first part (1111) and a second part (1112) disposed opposite to each other in the length direction of the divertor housing. The manufacturing method includes the following steps: The divertor housing is manufactured in segments such that the divertor housing is formed into at least a first module (100) and a second module (200), the first module (100) and the second module (200) being arranged sequentially along the length of the divertor housing; A bevel (310) is machined on the base plate of both the first module (100) and the second module (200), and the bevels (310) on the first module (100) and the second module (200) are arranged opposite to each other to form a welding groove (300). The first module (100) is disposed on the first part (1111) and the second module (200) is disposed on the second part (1112). The top surface contour of the first part (1111) is adapted to the bottom surface contour of the first module (100) and the two are tightly connected. The top surface contour of the second part (1112) is adapted to the bottom surface contour of the second module (200) and the two are tightly connected. The divertor housing is welded at the welding groove (300).
2. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 1, characterized in that, The first module (100) and / or the second module (200) include a separate third part (110) and a fourth part (120), the third part (110) and the fourth part (120) are arranged sequentially along the length of the divertor housing, and the bottom plates of the third part (110) and the fourth part (120) are both machined with the bevel (310), and the bevels (310) on the third part (110) and the fourth part (120) are arranged opposite to each other to form the welding groove (300).
3. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 2, characterized in that, In the thickness direction of the base plate, the welding groove (300) includes a first welding groove (320) and a second welding groove (330) arranged in sequence. The first welding groove (320) is disposed toward the body part (1110), and the depth of the first welding groove (320) is greater than the depth of the second welding groove (330).
4. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 3, characterized in that, The depth of the first welding groove (320) is D1, and the depth of the second welding groove (330) is D2, wherein D1 = 3D2~5D2; The included angle between the opposite side walls of the first welding groove (320) and / or the second welding groove (330) ranges from 60° to 70°.
5. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 3, characterized in that, The direction in which the first part (1111) and the second part (1112) are arranged relative to each other is defined as the first direction. Support rods (1120) are provided on both sides of the first part (1111) and the second part (1112) in the second direction. The support rods (1120) on the first part (1111) and the second part (1112) are arranged relative to each other in the first direction. The assembly fixture (1100) also includes multiple tie rods (1130), with at least two tie rods (1130) respectively located on both sides of the body part (1110) in the second direction, which intersects with the first direction. Before placing the first module (100) on the first part (1111) and the second module (200) on the second part (1112), the following steps are also included: The pull rod (1130) is sequentially passed through the support rod (1120) on the first part (1111) and the support rod (1120) on the second part (1112) and is fixedly connected to the support rod (1120). The first part (1111) and the second part (1112) are spaced apart in the first direction.
6. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 5, characterized in that, The distance between the first part (1111) and the second part (1112) is 2mm to 4mm.
7. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 5, characterized in that, The main body (1110) is provided with a plurality of pull rods (1130) on the same side in the second direction. The plurality of pull rods (1130) are arranged at intervals along a third direction, and the third direction, the second direction and the first direction intersect each other.
8. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 5, characterized in that, The assembly fixture (1100) further includes a pressure plate assembly (1140), which includes a pressure plate (1141) extending along the second direction. Both ends of the pressure plate (1141) are detachably mounted on the support rod (1120). The pressure plate (1141) is used to press the divertor housing on the side opposite to the main body (1110). After placing the first module (100) on the first part (1111) and the second module (200) on the second part (1112), the assembly further includes the following steps: Both ends of the pressure plate (1141) are fixedly mounted on the support rod (1120) to press the pressure plate (1141) against the side of the divertor housing away from the main body (1110).
9. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 8, characterized in that, The pressure plate assembly (1140) includes a plurality of them, and the plurality of pressure plate assemblies (1140) are arranged at intervals. The first module (100) and the second module (200) are each provided with a plurality of pressure plate assemblies (1140).
10. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 8, characterized in that, After placing the first module (100) on the first part (1111) and the second module (200) on the second part (1112), Includes the following steps: At least one stress strain gauge is placed between the first module (100) and the first part (1111) and between the second module (200) and the second part (1112).
11. The method for manufacturing a divertor housing for a nuclear fusion device according to claim 10, characterized in that, The welding of the divertor housing at the welding groove (300) includes the following steps: Simultaneously, spot welding is performed within multiple of the first welding grooves (320); At the same time, multiple welders are used to perform root welding on multiple of the first welding grooves (320); After the initial welding is completed, inspect the weld and simultaneously perform filler welding. Observe the values of the stress strain gauges and adjust the welding sequence of the multiple first welding grooves (320) according to the values.
12. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 11, characterized in that, The assembly fixture (1100) also includes a plurality of nuts. The outer periphery of the pull rod (1130) is provided with external threads. The nuts are sleeved on the outer periphery of the pull rod (1130), and the support rod (1120) is provided with nuts on both sides of the opposite side in the first direction. The two nuts cooperate to fix the pull rod (1130) on the support rod (1120). The step of adjusting the welding sequence of the plurality of first welding grooves (320) according to the value includes the following steps: Loosen the nut so that the first part (1111) and the second part (1112) can move toward each other; After the first welding groove (320) is welded, the first welding groove (320) is cleaned and then subjected to penetration testing. Welding is performed on the second welding groove (330); After the second welding groove (330) is welded, the divertor box and the assembly fixture (1100) are placed in a heat treatment furnace for stress relief treatment; Remove the pressure plate (1141), the divertor housing, and the pull rod (1130) in sequence.
13. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 1, characterized in that, The main body (1110) is provided with a clearance groove (1113) and a lifting hole (1114), and the clearance groove (1113) is positioned directly opposite the welding groove (300).
14. The method for manufacturing the divertor housing of a nuclear fusion device according to claim 1, characterized in that, In the thickness direction of the body part (1110), the body part (1110) includes a plurality of support plates (1115) arranged in sequence, the plurality of support plates (1115) are spaced apart, and two adjacent support plates (1115) are fixedly connected by at least one fixing block (1116).