Sintering containing device

Abstract

The invention relates to a sintering containing device. Comprising a containing frame, and a containing cavity is defined by the containing frame; the containing frame is provided with a containing cavity, the number of the isolation pieces is one or more, the isolation pieces are arranged in the containing cavity and connected with the containing frame, the multiple isolation pieces can be arranged in the height direction of the containing frame at intervals, and the containing cavity is divided into multiple containing sub-cavities through the isolation pieces; and the accommodating sub-cavity is used for accommodating a positive electrode material of the lithium ion battery. By arranging the separators to divide the accommodating cavity into the plurality of accommodating sub-cavities, the use number of the accommodating sub-cavities can be flexibly adjusted according to application scenes, that is, the use layer number of the accommodating cavities can be flexibly adjusted, and the lithium ion battery cathode material can be adapted to the whole process of small-scale test, pilot-scale test and mass production of the lithium ion battery cathode material. In this way, the applicability of the sintering containing device to various working conditions can be improved, efficient recycling of the positive electrode material of the lithium ion battery is facilitated, and the working efficiency of recycling of the positive electrode material is improved.

Description

Technical Field

[0001] This application relates to the field of new energy technology, and in particular to a sintering container. Background Technology

[0002] With the rapid development of modern electronic devices such as smartphones and laptops, as well as the automotive industry, the market demand for lithium-ion batteries is increasing daily. During the production process, lithium-ion batteries produce defective products, and after long-term use, they become retired products. To avoid resource waste and the potential environmental threats posed by heavy metals and electrolytes contained in lithium-ion batteries, both defective and retired lithium-ion batteries urgently need to be recycled to achieve the recovery and reuse of the positive electrode material. Currently, a short-process direct repair technology is commonly used to recycle the positive electrode material. Specifically, the positive electrode material of the lithium-ion battery is placed in a sintering and holding device to perform a calcination process for recycling. However, traditional sintering and holding devices often cannot meet the requirements of various recycling conditions, ultimately affecting the applicability of the sintering and holding device. Summary of the Invention

[0003] One technical problem addressed by this application is how to improve the applicability of sintering containers to various operating conditions.

[0004] A sintering container, comprising:

[0005] A holding frame, the holding frame forming a receiving cavity; and

[0006] The separator is provided in one or more places. The separator is disposed in the accommodating cavity and connected to the holding frame. The multiple separators are spaced apart along the height direction of the holding frame, and the separators divide the accommodating cavity into multiple holding sub-cavities. The holding sub-cavities are used to hold the positive electrode material of the lithium-ion battery.

[0007] In one embodiment, the height of the containing cavity is 1 cm to 100 cm.

[0008] In one embodiment, the length of the holding frame is 0.01m to 10m, the width of the holding frame is 0.01m to 10m, and the height of the holding frame is 0.01m to 2m.

[0009] In one embodiment, the holding frame includes a base plate, uprights, and side plates. A plurality of uprights protrude from the base plate and are spaced apart circumferentially along the base plate. Two side plates are spaced apart along the length of the holding frame and are connected to the base plate and located between the two uprights.

[0010] In one embodiment, the side plate is provided with a plurality of vent holes, which are spaced apart on the side plate and are connected to the outside and the containing sub-cavity. The diameter of the vent holes is 1 cm to 10 cm.

[0011] In one embodiment, the side plate has an observation hole in the area that encloses the uppermost sub-cavity. The observation hole is connected to the outside and the sub-cavity. The observation hole is circular or regular polygonal and has a diameter of 5 cm to 50 cm.

[0012] In one embodiment, the side plate has an operating hole in the area that encloses the lowest layer of the container cavity, and the width of the operating hole increases from one end of the operating hole near the lowest layer of the container cavity to the end away from the lowest layer of the container cavity.

[0013] And / or, the holding frame further includes two side meshes with perforations, the two side meshes being spaced apart along the width direction of the holding frame, and the side meshes being connected to the base plate and located between the two columns.

[0014] In one embodiment, the isolation member is slidably connected to the holding frame along a direction perpendicular to the height of the holding frame, and the isolation member has a through hole that extends through the isolation member along the height of the holding frame. The through hole communicates with two adjacent holding sub-cavities, and the diameter of the through hole is 1cm to 10cm.

[0015] In one embodiment, a handle is also included, which is connected to the isolator.

[0016] In one embodiment, the sintering container is made of one or more of Hastelloy, Montgomery, titanium alloy, corundum ceramic, zirconia ceramic, and cyanide-mullite ceramic.

[0017] And / or, also includes a lifting ring disposed at the upper end of the holding frame, the lifting ring having a diameter of 10cm to 50cm;

[0018] And / or, it also includes a support leg, which is disposed at the lower end of the holding frame. The support leg is cylindrical, conical, or pyramidal. When the support leg is conical or pyramidal, the end with the smallest cross-sectional dimension of the support leg is connected to the holding frame, and the distance between the end of the support leg away from the holding frame and the holding frame is adjustable.

[0019] And / or, it also includes a wheel, which is rotatably connected to the lower end of the container, and the wheel is capable of rotating about an axis perpendicular to the height of the container.

[0020] One technical advantage of one embodiment of this application is that by setting a separator to divide the accommodating cavity into multiple holding sub-cavities, the number of holding sub-cavities used can be flexibly adjusted according to the applicable scenario, that is, the number of layers of the accommodating cavity can be flexibly adjusted, thereby adapting to the entire process of small-scale, pilot-scale, and mass production of lithium-ion battery cathode materials. This can improve the applicability of the sintering holding device to various operating conditions and also facilitate the efficient recycling of lithium-ion battery cathode materials, that is, improve the working efficiency of lithium-ion battery cathode material recycling. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of a sintering container fixture provided in one embodiment.

[0022] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle.

[0023] Reference numerals: sintering container 10, container frame 100, accommodating cavity 110, container sub-cavity 111, base plate 120, column 130, side plate 140, vent hole 141, observation hole 142, operation hole 143, side mesh 150, isolation component 200, connecting hole 210, handle 310, lifting ring 320, support leg 330, wheel 340. Detailed Implementation

[0024] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below 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.

[0025] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this application.

[0026] Furthermore, where the terms "first" and "second" appear, these terms are 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 with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0027] 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 based on the specific circumstances.

[0028] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" 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. Similarly, "below," "below," and "under" 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.

[0029] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0030] See Figure 1 and Figure 2An embodiment of this application provides a sintering holding device 10, including a holding frame 100 and spacers 200. The holding frame 100 forms a receiving cavity 110, which can be an open cavity. The number of spacers 200 is one or more, meaning there is at least one spacer 200. Each spacer 200 is disposed within the receiving cavity 110 and connected to the holding frame 100. When there are multiple spacers 200, they can be spaced apart along the height direction of the holding frame 100; for example, the distance between two adjacent spacers 200 along the height direction of the holding frame 100 can be equal. The spacers 200 can divide the receiving cavity 110 into multiple holding sub-cavities 111. The receiving cavity 110 includes multiple holding sub-cavities 111; in other words, the spacers 200 divide the receiving cavity 110 into multiple layers. The holding sub-cavities 111 are used to hold the positive electrode material of a lithium-ion battery. For example, the number of chambers 111 can be two or more.

[0031] By setting up the separator 200 to divide the accommodating cavity 110 into multiple holding sub-cavities 111, the number of holding sub-cavities 111 used can be flexibly adjusted according to the applicable scenario, that is, the number of layers used in the accommodating cavity 110 can be flexibly adjusted, thereby adapting to the entire process of small-scale, pilot-scale and mass production of lithium-ion battery cathode materials. This can improve the applicability of the sintering holding device 10 to various working conditions, and also facilitate the efficient recycling of lithium-ion battery cathode materials, that is, improve the working efficiency of lithium-ion battery cathode material recycling.

[0032] In some embodiments, the height of the holding cavity 111 is from 1 cm to 100 cm. For example, the specific value of the height of the holding cavity 111 can be 1 cm, 50 cm, or 100 cm. By keeping the height of the holding cavity 111 within the above-mentioned range, a reasonable amount of positive electrode material for lithium-ion batteries can be held in the holding cavity 111, thereby improving the applicability of the sintering holding device 10 to various operating conditions.

[0033] In some embodiments, the length of the holding frame 100 is 0.01m to 10m, the width is 0.01m to 10m, and the height is 0.01m to 2m. For example, the specific values ​​for the length of the holding frame 100 can be 0.01m, 1m, or 0.01m, etc.; the specific values ​​for the width of the holding frame 100 can be 0.01m, 1m, or 0.01m, etc.; and the specific values ​​for the height of the holding frame 100 can be 0.01m, 1m, or 2m, etc. By taking values ​​for the length, width, and height of the holding frame 100 within the above ranges, the holding frame 100 can have reasonable external dimensions and volume, ensuring that the sintering holding device 10 has good applicability to various working conditions.

[0034] In some embodiments, the holding frame 100 may be generally cuboid in shape, including a base plate 120, uprights 130, and side plates 140. The base plate 120 may be a generally rectangular plate structure. Multiple uprights 130 protrude from the base plate 120 along the height direction of the holding frame 100, and the protrusion height of each upright 130 relative to the base plate 120 may be equal. There may be four uprights 130, each positioned at one of the four corners of the base plate 120, spaced apart circumferentially from the base plate 120. There may be two side plates 140, spaced apart along the length direction of the holding frame 100, with the lower end of each side plate 140 connected to the base plate 120, and the side plates 140 located between the two uprights 130. Therefore, the base plate 120 and the column 130 can effectively limit the side plate 140, thereby improving the stability and reliability of the side plate 140 installation. By setting the side plate 140, the positive electrode material of the lithium-ion battery in the holding cavity 111 can be prevented from falling out of the holding cavity 111, thereby reasonably improving the reliability and safety of the sintering holding device 10. In other embodiments, the holding frame 100 may also be approximately circular, etc.

[0035] In some embodiments, a plurality of vent holes 141 are provided on the side plate 140. The vent holes 141 can be circular holes, and the plurality of vent holes 141 are spaced apart on the side plate 140. For example, the vent holes 141 can be arranged in a matrix to form multiple rows and columns, so that the vent holes 141 are distributed on the side plate 140 with a reasonable density. The vent holes 141 penetrate the entire side plate 140 along the thickness direction, so that the vent holes 141 are through holes to simultaneously connect the outside and the holding cavity 111. The diameter of the vent holes 141 is 1cm to 10cm, for example, the specific value of the diameter of the vent holes 141 can be 1cm, 2cm or 10cm, etc. By setting the vent holes 141 and reasonably selecting the diameter of the vent holes 141, it is possible to prevent the small positive electrode material of the lithium-ion battery from falling out of the holding cavity 111 through the vent holes 141, thereby improving the reliability and safety of the sintering holding device 10. On the other hand, it also facilitates the flow of gas and heat, allowing the holding cavity 111 to exchange heat and gas with the outside world, thereby reasonably controlling the temperature in the holding cavity 111 and ensuring that the temperature in the holding cavity 111 is within the required set range.

[0036] In some embodiments, an observation hole 142 is provided on the area of ​​the side plate 140 that encloses the uppermost holding cavity 111. The observation hole 142 communicates with the outside world and the holding cavity 111, thus connecting the observation hole 142 with the uppermost holding cavity 111. The observation hole 142 can be circular or regular polygonal, that is, the observation hole 142 can be a circular hole or a regular polygonal hole. By providing the observation hole 142, during the sintering process of the positive electrode material of the lithium-ion battery in the holding cavity 111, the operator can easily observe the specific sintering status of the positive electrode material of the lithium-ion battery in the holding cavity 111 through the observation hole 142, thereby improving the ease of use of the sintering holding device 10. The diameter of the observation hole 142 is 5cm to 50cm. For example, the specific value of the diameter of the observation hole 142 can be 5cm, 15cm or 50cm. By taking the diameter of the observation hole 142 within the above range, the diameter of the observation hole 142 can have a reasonable size, which can ensure that the operator can observe the specific sintering of the positive electrode material of the lithium-ion battery in the holding cavity 111 through the observation hole 142, thereby ensuring the convenience of using the sintering holding device 10.

[0037] In some embodiments, the side plate 140 has an operation hole 143 in the area surrounding the lowest holding sub-cavity 111, which is interconnected with the lowest holding sub-cavity 111. From the end of the operation hole 143 closest to the lowest holding sub-cavity 111 to the end furthest from it, that is, along the height direction of the holding frame 100 from the lower end to the upper end of the operation hole 143, the width of the operation hole 143 increases, making it approximately crescent-shaped. Therefore, by providing the crescent-shaped operation hole 143, when an abnormality occurs in the positive electrode material of the lithium-ion battery in the lowest holding sub-cavity 111 during the sintering process, the operator can remove the abnormal positive electrode material from the lowest holding sub-cavity 111 through the operation hole 143, thereby improving the reliability of the sintering holding device 10 in recovering the positive electrode material of the lithium-ion battery.

[0038] In some embodiments, the holding frame 100 further includes side meshes 150. The number of side meshes 150 may include two, spaced apart along the width direction of the holding frame 100. The lower ends of the side meshes 150 are connected to the base plate 120, and the side meshes 150 are located between two columns 130. Therefore, the base plate 120 and the columns 130 can effectively limit the side meshes 150, thereby improving the stability and reliability of the side mesh installation. The side meshes 150 may have mesh openings, the diameter of which can be significantly smaller than the diameter of the vent holes 141 on the side plate 140. By providing smaller mesh openings on the side meshes 150, on the one hand, the sintering holding device 10 can be guaranteed to have reasonable structural strength; on the other hand, it can effectively prevent the positive electrode material of the lithium-ion battery in the holding sub-cavity 111 from falling out of the holding sub-cavity 111, thereby reasonably improving the reliability and safety of the sintering holding device 10. On the one hand, it also facilitates the flow of gas and heat, allowing the holding cavity 111 to exchange heat and gas with the outside world, thereby reasonably controlling the temperature in the holding cavity 111 and ensuring that the temperature in the holding cavity 111 is within the required set range.

[0039] In some embodiments, the separator 200 is slidably connected to the holding frame 100 along a direction perpendicular to the height of the holding frame 100, i.e., along the horizontal direction. By slidably connecting the separator 200 to the holding frame 100, the separator 200 can be made to resemble a drawer structure, thus facilitating the placement and removal of the positive electrode material of the lithium-ion battery carried on the separator 200. For example, when it is necessary to remove the positive electrode material of the lithium-ion battery from the separator 200, the separator 200 can be pulled outward a certain distance relative to the holding frame 100, so that the positive electrode material of the lithium-ion battery on the separator 200 is located outside the receiving cavity 110. This eliminates interference from the holding frame 100, thereby allowing the positive electrode material of the lithium-ion battery to be quickly unloaded from the separator 200. Similarly, when the positive electrode material of a lithium-ion battery needs to be placed on the separator 200, the separator 200 can be pulled outward a certain distance relative to the holding frame 100, so that a part of the separator 200 is outside the receiving cavity 110. This eliminates the interference of the holding frame 100, allowing the positive electrode material of the lithium-ion battery to be quickly placed on the separator 200. Then, the separator is pushed inward to its limit position, so that the positive electrode material of the lithium-ion battery on the separator 200 is located in the receiving cavity 110, which facilitates the sintering and recycling of the positive electrode material of the lithium-ion battery. Therefore, by sliding the separator 200 and the holding frame 100, the efficiency of placing and removing the positive electrode material of the lithium-ion battery on the separator 200 can be improved, thereby improving the working efficiency of the sintering and holding device 10.

[0040] In some embodiments, the separator 200 is provided with a connecting hole 210, which penetrates the separator 200 along the height direction of the holding frame 100, that is, the connecting hole 210 penetrates the entire separator 200 along the thickness direction of the separator 200. Therefore, the connecting hole 210 is a through hole, thereby enabling the connecting hole 210 to communicate with the two adjacent holding sub-cavities 111. By providing the connecting hole 210, heat in the two adjacent holding sub-cavities 111 can flow between each other through the connecting hole 210, thereby keeping the temperature in the two adjacent holding sub-cavities 111 basically the same, ultimately ensuring that the temperature in all holding sub-cavities 111 remains basically consistent, that is, the temperature is evenly distributed in the accommodating cavity 110, avoiding local high temperatures in the accommodating cavity 110, thereby improving the reliability of the sintering holding device 10 for the recovery of positive electrode materials of lithium-ion batteries. The diameter of the connecting hole 210 is between 1 cm and 10 cm. For example, the specific value of the diameter of the connecting hole 210 can be 1 cm, 5 cm, or 10 cm. By taking the diameter of the connecting hole 210 within the above range, on the one hand, it can prevent the positive electrode material of the lithium-ion battery in the upper holding sub-cavity 111 from falling into the lower holding sub-cavity 111 through the connecting hole 210, thereby improving the reliability of the sintering holding device 10. On the other hand, it can ensure that the heat has a reasonable flow rate in the two adjacent holding sub-cavities 111, and ensure that the temperature in all holding sub-cavities 111 remains basically consistent at any time, further improving the uniformity of temperature distribution in the accommodating cavity 110, thereby further improving the reliability of the sintering holding device 10 in recovering the positive electrode material of the lithium-ion battery.

[0041] In some embodiments, the sintering holding device 10 further includes a handle 310, which is connected to the spacer 200. However, when it is necessary to push or pull the spacer 200, the operator can directly contact the handle 310 and apply force to it, thereby causing the spacer 200 to slide relative to the holding frame 100 through the handle 310, ultimately realizing the pushing and pulling of the spacer 200. This improves the ease of operation of the spacer 200, and ultimately improves the ease of operation and work efficiency of the sintering holding device 10.

[0042] In some embodiments, the sintering holding device 10 is made of one or more of Hastelloy, Montgomery, titanium alloy, corundum ceramic, zirconia ceramic, and cyanide-mullite ceramic. During the sintering process of the positive electrode material of the lithium-ion battery in the holding cavity 111, the positive electrode material of the lithium-ion battery will generate highly corrosive HF gas at a high temperature of over 250°C. Since the positive electrode material of the lithium-ion battery is alkaline, its corrosivity will be enhanced at high temperatures. Because the sintering holding device 10 is made of one or more of the above-mentioned materials, on the one hand, the highly corrosive HF gas and the highly corrosive positive electrode material of the lithium-ion battery will not corrode the sintering holding device 10, avoiding rust and cracking, thereby improving the reliability of the sintering holding device 10; on the other hand, it also effectively avoids the introduction of metal elements such as Fe or Cr into the sintering holding device 10, thereby preventing metal impurities from affecting the positive electrode material of the lithium-ion battery entering the sintering process, thus improving the reliability and safety of the recovery of the positive electrode material of the lithium-ion battery.

[0043] In some embodiments, the sintering container 10 further includes a lifting ring 320, which is disposed at the upper end of the container frame 100. The diameter of the lifting ring 320 is 10cm to 50cm; the specific value of the diameter of the lifting ring 320 can be 10cm, 20cm, or 50cm, etc. By providing the lifting ring 320, it is easier to perform hoisting operations on the sintering container 10, thereby improving the ease of operation of the sintering container 10.

[0044] In some embodiments, the sintering container 10 further includes a support leg 330, which is disposed at the lower end of the container frame 100. The support leg 330 is cylindrical, conical, or pyramidal. When the support leg 330 is conical or pyramidal, the end with the smallest cross-sectional dimension of the support leg 330 is connected to the container frame 100. This can reasonably increase the contact area between the support leg 330 and the ground or other supports, thereby improving the stability of the sintering container 10. The distance between the end of the support leg 330 away from the container frame 100 and the container frame 100 is adjustable.

[0045] In some embodiments, the sintering container 10 further includes wheels 340, which are rotatably connected to the lower end of the container frame 100. The wheels 340 can be casters or similar, and can rotate about an axis perpendicular to the height of the container frame 100. By providing wheels 340, when the wheels 340 roll, the entire sintering container 10 can be moved, thereby improving the ease of operation of the sintering container 10. It is understood that when the wheels 340 need to roll, the distance between the end of the support leg 330 away from the container frame 100 and the container frame 100 can be reduced, ensuring that the end of the support leg 330 away from the container frame 100 does not contact the ground or other supports, thereby avoiding interference with the movement of the sintering container 10. When it is necessary to keep the sintering container 10 stationary in a designated position, the distance between the end of the support leg 330 away from the container frame 100 and the container frame 100 can be increased to ensure that the end of the support leg 330 away from the container frame 100 contacts the ground or other supports, thus preventing the wheel 340 from driving the sintering container 10 to move, thereby further improving the ease of operation of the sintering container 10.

[0046] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A sintering receptacle, characterized in that The sintering container comprises: a containing frame, which encloses a containing cavity; and one or more partitions, which are arranged in the containing cavity and connected with the containing frame, multiple partitions can be arranged in the height direction of the containing frame, and the partitions divide the containing cavity into multiple containing sub-cavities for containing positive electrode materials of lithium ion batteries.

2. The sintering receptacle apparatus of claim 1, wherein, The height of the containing sub-cavity is 1 cm to 100 cm.

3. The sintering receptacle apparatus of claim 1, wherein, The length of the containing frame is 0.01 m to 10 m, the width of the containing frame is 0.01 m to 10 m, and the height of the containing frame is 0.01 m to 2 m.

4. The sintering receptacle apparatus of claim 1, wherein, The containing frame comprises a bottom plate, multiple columns, and two side plates, the columns are protrudingly arranged on the bottom plate and spaced along the circumference of the bottom plate, the side plates are spaced along the length of the containing frame and connected with the bottom plate between the columns.

5. The sintering receptacle apparatus of claim 4, wherein, Multiple air holes are arranged on the side plate, the air holes are spaced on the side plate and communicate with the outside and the containing sub-cavity, and the diameter of the air hole is 1 cm to 10 cm.

6. The sintering receptacle apparatus of claim 4, wherein, An observation hole is arranged on the side plate for enclosing the area of the uppermost containing sub-cavity, the observation hole communicates with the outside and the containing sub-cavity, the observation hole is circular or polygonal, and the diameter of the observation hole is 5 cm to 50 cm.

7. The sintering container of claim 4, wherein an operation hole is arranged on the side plate for enclosing the area of the lowermost containing sub-cavity, the width of the operation hole increases from the end close to the lowermost containing sub-cavity to the end away from the lowermost containing sub-cavity; and / or, the containing frame further comprises two side nets with mesh, the side nets are spaced along the width of the containing frame and connected with the bottom plate between the columns.

8. The sintering receptacle apparatus of claim 1, wherein, In the vertical direction of the height of the containing frame, the partition is slidingly connected with the containing frame, and a communication hole is arranged on the partition and penetrates the partition in the vertical direction of the height of the containing frame, the communication hole communicates with two adjacent containing sub-cavities, and the diameter of the communication hole is 1 cm to 10 cm.

9. The sintering receptacle apparatus of claim 8, wherein, A handle is further arranged on the partition.

10. The sintering container of claim 1, wherein the sintering container is made of one or more of Hastelloy, Monel, titanium alloy, corundum ceramic, zirconia ceramic, cordierite-mullite ceramic; and / or, a lifting ring is further arranged on the upper end of the containing frame, the diameter of the lifting ring is 10 cm to 50 cm; and / or, a foot is further arranged on the lower end of the containing frame, the foot is cylindrical, conical, or pyramidal, when the foot is conical or pyramidal, the end with the smallest cross-sectional dimension of the foot is connected with the containing frame, and the distance between the end of the foot away from the containing frame and the containing frame can be adjusted. And / or, further comprising a wheel, the wheel is rotatably connected with the lower end of the containing frame, the wheel can rotate around an axis perpendicular to the height direction of the containing frame.

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