Graphite impregnated pressure vessel

Abstract

This invention provides a graphite impregnation pressure vessel. The pressure vessel includes a pressure vessel body and a lifting mechanism. The pressure vessel body includes a detachably connected tank body and a tank lid. The lifting mechanism includes a telescopic rod, a heat insulation plate, and hangers for attaching to the graphite material container; the fixed end of the telescopic rod extends longitudinally through the tank lid and is fixedly connected, while the movable end of the telescopic rod is located below the tank lid and fixedly connected to the heat insulation plate; at least four hangers are equidistantly distributed along the bottom edge of the heat insulation plate, the top of each hanger extends longitudinally through the heat insulation plate and is horizontally rotatably connected to it, and the movable bottom end of each hanger is horizontally slidable; the horizontal rotation of multiple hangers and the horizontal sliding of their movable ends adapt to the attachment of graphite material containers of different shapes and sizes. This invention, through the self-rotation of the hangers and the horizontal telescopic sliding adjustment of the hangers, can adapt to various graphite material containers of different shapes and sizes, giving the lifting mechanism a certain degree of versatility, thereby satisfying the impregnation of graphite materials of different shapes.

Description

Technical Field

[0001] This invention relates to the field of graphite impregnation technology, specifically to a graphite impregnation pressure vessel. Background Technology

[0002] When processing graphite materials used in graphite heat exchangers, it is common practice to impregnate the graphite with thermosetting resins such as phenolic resin and furan resin, or other impregnating solutions, to seal the micropores and achieve a leak-proof effect. One method of graphite impregnation involves impregnation in a pressure vessel. The impregnating material is first placed in the pressure vessel and melted before the graphite material is added for impregnation. However, after complete impregnation, the high internal temperature makes it difficult to remove the graphite material. If it is removed after cooling, the impregnating material may solidify on the graphite, affecting its normal use. This is especially true for small pressure vessels where rapid cooling makes the impregnating material prone to solidification.

[0003] To remove impregnated graphite material from the impregnating medium before cooling, existing pressure vessels with internal lifting mechanisms are used. However, due to structural limitations, they can only accommodate graphite containers of a single shape or size. If the graphite material shape changes, or if different shapes of graphite material are produced, the graphite container must also be changed. Using the original container limits its capacity, and small pressure vessels themselves have limited impregnation capacity. To ensure a larger amount of graphite material is involved in impregnation, a custom-made pressure vessel suitable for the graphite container must be created, or the existing pressure vessel must be disassembled and reassembled. However, custom-making is costly, and disassembly and reassembly are cumbersome. This is especially true when the shape or size of the graphite container remains relatively unchanged, making custom-made or reassembled pressure vessels time-consuming and labor-intensive. Furthermore, small pressure vessels are typically used for testing or small-scale processing. During the testing phase, graphite materials of various shapes and sizes are constantly being produced. Replacing or reassembling the pressure vessel each time not only increases the complexity of the testing but also raises the damage rate of the pressure vessel, hindering research and development. Summary of the Invention

[0004] Therefore, it is necessary to provide a graphite-impregnated pressure vessel to address the problem of poor versatility of the internal lifting structure of existing pressure vessels.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A graphite-impregnated pressure vessel includes a pressure vessel body and a lifting mechanism.

[0007] The pressure vessel body consists of a tank body and a tank cover, which are detachably connected.

[0008] The lifting mechanism includes a telescopic rod, a heat insulation plate, and a hanging member for hanging with a graphite material container; the fixed end of the telescopic rod runs through the tank cover longitudinally and is fixedly connected, and the movable end of the telescopic rod is located below the tank cover and is fixedly connected to the heat insulation plate; at least four hanging members are equidistantly distributed on the bottom edge of the heat insulation plate, the top of the hanging member runs through the heat insulation plate and is horizontally rotatably connected to it, and the movable end at the bottom of the hanging member is horizontally slidably arranged; the horizontal self-rotation of multiple hanging members and the horizontal sliding of their movable ends are used to adapt to the hanging of graphite material containers with different shapes and sizes; when the tank cover is clamped on the tank body and the telescopic rod extends a certain distance, the graphite material container hung on the hanging member is located at the bottom end inside the tank body.

[0009] Further, the hanging member includes a longitudinal rod, a transverse sleeve, a hook, and a limiting member; the top end of the longitudinal rod runs through the heat insulation plate and is horizontally rotatably connected to it; the transverse sleeve is fixedly connected to the bottom end of the longitudinal rod; the hook includes a first cross bar, a second cross bar that are parallel to each other, and a longitudinal rod connecting the ends of the first cross bar and the second cross bar, and the three are combined into a "C" shape, the first cross bar is located above the second cross bar, and the end of the first cross bar passes through the transverse sleeve and extends longitudinally to form an annular protrusion; the limiting member is arranged at the end of the transverse sleeve and contacts the first cross bar to limit the relative position relationship between the hook and the transverse sleeve.

[0010] Further, the limiting member includes a first screw sleeve and a flexible pad; the outer surface of one end of the transverse sleeve is screwed with the first screw sleeve, and the inner diameter of the first screw sleeve gradually decreases from the middle section of its interior along its axis to the end away from the transverse sleeve; multiple flexible pads are arranged on the end face of the transverse sleeve close to the first screw sleeve and enclose a ring with a diameter larger than the inner diameter of the transverse sleeve; when the first screw sleeve is screwed into the transverse sleeve direction, the outer side and the inner side of the flexible pad are respectively closely attached to the first screw sleeve and the first cross bar.

[0011] Further, the limiting member includes a bolt; the bolt is vertically screwed on the surface of the transverse sleeve, and a hemispherical protrusion is arranged at the end of the bolt, and hemispherical holes are linearly and equidistantly distributed on the outer surface of the first cross bar along its axis; when the hemispherical protrusion at the end of the bolt is located in the hemispherical hole of the first cross bar, the relative position of the first cross bar and the transverse sleeve is fixed.

[0012] Further, the bottom end face of the second cross bar is concave, a groove is opened at the top end face of the second cross bar, a first spring is fixedly connected to the bottom of the groove, the top end of the first spring is connected to the bottom of the movable block and is located inside the groove, and one corner of the top of the movable block close to the longitudinal rod forms an inclined plane; when the first spring is in the initial state, the bottom of the inclined plane at the top of the movable block is flush with the top of the end face of the second cross bar; the area where the movable block is located at the top of the second cross bar forms a propulsion area, and the rest of the area forms a hanging area.

[0013] Further, a second screw sleeve is screwed on the outer surface of the longitudinal rod, the second screw sleeve is located below the heat insulation plate, and a washer is arranged between the second screw sleeve and the heat insulation plate; when the top and bottom of the washer are respectively closely attached to the heat insulation plate and the second screw sleeve, the relative rotation angle between the longitudinal rod and the heat insulation plate is fixed.

[0014] Furthermore, a sleeve with a convex-concave sliding fit is provided on the outer surface of the longitudinal rod. The top of the sleeve has teeth and is located below the heat insulation plate. The bottom of the heat insulation plate is provided with a matching tooth groove near the top of the sleeve. A spring is connected between the sleeve and the transverse sleeve. When the teeth on the top of the sleeve mesh with the tooth groove at the bottom of the heat insulation plate, the relative rotation angle between the longitudinal rod and the heat insulation plate is fixed.

[0015] Furthermore, the top diameter of the heat insulation plate is the same as the inner diameter of the tank body, while the bottom diameter of the heat insulation plate gradually decreases, forming a frustum shape.

[0016] Furthermore, the can body and the can lid are connected by a snap-fit ​​mechanism.

[0017] Furthermore, a U-shaped stop is connected to the outer surface of the tank body. The U-shaped stop and the tank body form a closed frame. The first end of the guide rod runs through the closed frame and is hinged to the tank lid. The inner side of the guide rod contacts the tank body, and the tail end extends horizontally to form a limiting protrusion.

[0018] Compared with the prior art, the beneficial effects of the present invention include:

[0019] 1. This invention, through the self-rotation of the hanging part and the horizontal telescopic sliding adjustment of the hanging part, can adapt to various graphite material containers of different shapes and sizes, giving the lifting mechanism a certain degree of versatility, thereby meeting the impregnation of graphite materials of different shapes.

[0020] 2. The present invention can provide a prompt on whether the graphite material container is properly attached through the movable block, so as to avoid the graphite material container being attached near the end face of the second crossbar, which is easy to fall off due to shaking and affect the stability of the graphite material container attachment.

[0021] 3. The present invention uses a guide rod and a U-shaped stop to limit the position between the lid and the body, which makes it convenient to put the graphite container on the lid without completely detaching it from the body. The lifting mechanism can also be detached from the body, which facilitates subsequent maintenance and other operations. Attached Figure Description

[0022] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. Wherein:

[0023] Figure 1 This is a schematic diagram of the structure of a graphite-impregnated pressure vessel according to Embodiment 1 of the present invention;

[0024] Figure 2 Based on Figure 1 A diagram showing the can body and lid separated;

[0025] Figure 3 Based on Figure 2 A partial sectional view of the lifting structure;

[0026] Figure 4 Based on Figure 3 A structural diagram of the pendant;

[0027] Figure 5 This is a schematic diagram of the structure of a graphite-impregnated pressure vessel as described in Example 2;

[0028] Figure 6 This is a schematic diagram of the structure of a graphite-impregnated pressure vessel as described in Example 3;

[0029] Figure 7 This is a schematic diagram of the pendant distribution as described in Example 1;

[0030] Figure 8 This is a schematic diagram of the pendant distribution as described in Example 4;

[0031] Figure 9 This is a schematic diagram of the pendant distribution as described in Example 5;

[0032] Figure 10 This is a schematic diagram of the pendant distribution as described in Example 6;

[0033] Figure 11 This is a schematic diagram of the pendant distribution as described in Example 7.

[0034] The diagram shows the following labels: 1. Pressure vessel body; 11. Tank body; 12. Tank cover; 2. Lifting mechanism; 21. Telescopic rod; 22. Heat insulation plate; 23. Hanger; 231. Longitudinal rod; 232. Transverse sleeve; 233. Hook; 234. Screw sleeve one; 235. Flexible pad; 236. Bolt; 237. Spring one; 238. Movable block; 24. Screw sleeve two; 25. Sleeve; 26. Spring two; 27. U-shaped stop; 28. Guide rod. Detailed Implementation

[0035] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0036] Example 1

[0037] Please see Figure 1 and Figure 2This embodiment introduces a graphite impregnation pressure vessel, including a pressure vessel body 1 and a lifting mechanism 2. The pressure vessel body 1 includes a tank body 11 and a tank lid 12. The lifting mechanism 2 is installed on the tank lid 12 without affecting the other structures of the tank lid 12 itself. The tank body 11 and the tank lid 12 are connected by a snap-fit, allowing the tank lid 12 to detach from the tank body 11, thus facilitating the attachment of the graphite material container to the lifting mechanism 2. However, to facilitate the connection between the tank body 11 and the tank lid 12 and to prevent the tank lid 12 from completely detaching from the tank body 11, a guide structure consisting of a guide rod 28 and a U-shaped stop 27 is provided to connect the tank body 11 and the tank lid 12.

[0038] A U-shaped stop 27 is connected to the outer surface of the can body 11. The U-shaped stop 27 is located near the upper middle section of the can body 11, forming a closed frame with the can body 11, and has a hole in the middle through which a guide rod 28 can pass. The inner side of the guide rod 28 is in contact with the can body 11 and its head passes through the closed frame. A section of the side wall of the can lid 12 extends and is hinged to the head of the guide rod 28, so the can lid 12 can rotate at the head of the guide rod 28. The tail end of the guide rod 28 extends horizontally outward to form a limiting protrusion, and the direction of extension avoids the can body 11. Due to the obstruction of the limiting protrusion, the tail end of the guide rod 28 cannot pass through the closed frame formed by the U-shaped stop 27 and the can body 11, thereby achieving the purpose of limiting the guide rod 28.

[0039] When the lid 12 is removed from the body 11, it is limited by the guide rod 28 and cannot be completely detached. It can only move upward until the graphite material container is completely removed from the body 11, at which point it can be rotated or even flipped to ensure that the lid 12 is near the body 11.

[0040] like Figure 2 As shown, the lifting mechanism 2 mainly consists of a telescopic rod 21, a heat insulation plate 22, and a hanger 23 for attaching to the graphite container. The telescopic rod 21 can be a high-temperature resistant cylinder telescopic rod 21, with the fixed end located above the can lid 12 and the movable end located below the can lid 12 and fixedly connected to the heat insulation plate 22. The diameter of the heat insulation plate 22 is preferably the same as the internal diameter of the can body 11. To facilitate the entry of the heat insulation plate 22 into the can body 11, the bottom diameter of the heat insulation plate 22 gradually decreases, forming a frustum shape, guiding the heat insulation plate 22 into the can body 11. Since the top diameter of the heat insulation plate 22 is the same as the internal diameter of the can body 11, the heat insulation plate 22 acts as a barrier, reducing the impact of high temperature on the telescopic rod 21.

[0041] like Figure 3As shown, the number of hanging parts 23 is at least 4, and they are evenly distributed on the bottom edge of the heat insulation plate 22. The hanging part 23 is mainly composed of a longitudinal rod 231, a transverse sleeve 232, a hook 233 and a limiting part. The heat insulation plate 22 is provided with holes for the longitudinal rod 231 to pass through. The top end of the longitudinal rod 231 runs through the heat insulation plate 22 and is horizontally rotatably connected to it. One way of connection is that the longitudinal rod 231 is connected to the heat insulation plate 22 by a bearing. Another way is that the longitudinal rod 231 contacts the heat insulation plate 22 without connection, and a limiting cap is installed at the top of the longitudinal rod 231 to prevent the longitudinal rod 231 from falling. Other connection methods can also be used to achieve the rotation of the longitudinal rod 231 around its own axis.

[0042] When the longitudinal rod 231 needs to be fixed when it rotates to a certain angle, the longitudinal rod 231 needs to be fixed. The method of using a second screw sleeve 24 and a washer can make the longitudinal rod 231 not easy to rotate. The area of the longitudinal rod 231 between the heat insulation plate 22 and the transverse sleeve 232 is provided with external threads. The second screw sleeve 24 is screwed on the outer surface of the longitudinal rod 231 and its length is less than the length of the external thread area of the longitudinal rod 231. A washer is provided between the top of the second screw sleeve 24 and the heat insulation plate 22. The washer is sleeved on the longitudinal rod 231. If it is to prevent the longitudinal rod 231 from rotating, the second screw sleeve 24 can be rotated to make it rotate upward. The second screw sleeve 24 pushes and squeezes the washer, so that the top and bottom of the washer are respectively close to the heat insulation plate 22 and the second screw sleeve 24. At this time, the longitudinal rod 231 is not easy to rotate.

[0043] The transverse sleeve 232 is fixedly connected to the bottom end of the longitudinal rod 231, and the longitudinal rod 231 and the transverse sleeve 232 form a "T" shape. The hook 233 forms the movable end at the bottom of the hanging part. The hook 233 includes a first cross bar, a second cross bar that are parallel to each other and a longitudinal rod connecting the ends of the first cross bar and the second cross bar. The three are combined into a "C" shape, and the first cross bar is located above the second cross bar. The first cross bar is much longer than the transverse sleeve 232. The end of the first cross bar that is not connected to the longitudinal rod passes through the transverse sleeve 232 and its end extends longitudinally to form a ring-shaped protrusion to limit the first cross bar and prevent the first cross bar from detaching from the transverse sleeve 232. The first cross bar can slide in the transverse sleeve 232. The length of the longitudinal rod is related to the length of the can body 11 and the telescopic distance of the telescopic rod 21. The second cross bar contacts the graphite material container for hanging connection.

[0044] As Figure 4As shown, the bottom of the end of the second crossbar that is not connected to the vertical bar is concave, and a groove is formed at the top. The bottom of the movable block 238 is located in the groove and is connected to the groove by a spring. The top of the movable block 238 is located outside the groove, and is inclined towards one corner of the vertical bar. When the spring 237 is in the initial state, the bottom of the inclined surface of the top of the movable block 238 is at the same height as the top of the end face of the second crossbar. Compressing the spring 238 can make the movable block 238 completely located in the groove. In the initial state, the longitudinal distance between the top of the movable block 238 and the end face of the second crossbar is the same as the diameter of the second crossbar, so that the second crossbar can pass through the graphite material container without being affected by the movable block 238. The area where the movable block 238 is located at the top of the second crossbar forms the propulsion area, and the remaining area forms the engagement area. Since the attachment at the two ends of the crossbar, i.e. the propulsion area, is relatively dangerous, the movable block 238 serves as a warning. When the movable block 238 is squeezed by the graphite material container, it indicates that the attachment position is relatively dangerous, and the crossbar needs to be moved so that the graphite material container is attached to the inner area of ​​the crossbar, i.e. the attachment area.

[0045] Since the crossbar can slide within the transverse sleeve 232, in order to maintain the relative positional relationship between the crossbar and the transverse sleeve 232 after the graphite material container is attached, a limiting member is provided at the end of the transverse sleeve 232 to limit the relative positional relationship between the hook 233 and the transverse sleeve 232.

[0046] like Figure 4 As shown, the limiting component mainly consists of a threaded sleeve 234 and flexible pads 235. One end of the transverse sleeve 232 connected to the threaded sleeve 234 has an external thread. One end of the threaded sleeve 234 has an internal thread that connects to the transverse sleeve 232, while the other end gradually decreases in diameter axially from the inside out. Multiple flexible pads 235 are annularly distributed on the end face of the transverse sleeve 232 and located inside the threaded sleeve 234, forming a ring with a diameter larger than the inner diameter of the transverse sleeve 232. Initially, the crossbar does not contact the flexible pads 235 or is not obstructed by them. When the threaded sleeve 234 is screwed into the transverse sleeve 232, the outer and inner sides of the flexible pads 235 tightly adhere to the threaded sleeve 234 and the crossbar, respectively. At this time, it is difficult for the crossbar to slide within the transverse sleeve 232, thus achieving the purpose of fixing the relative positional relationship between the crossbar and the transverse sleeve 232.

[0047] This embodiment uses the example of four pendants (23) connected in a cross shape to illustrate the concept. Figure 7As shown, the vertical bars of the four hooks 233 face outwards, and the ends of the first and second horizontal bars face inwards. The angle of the vertical bar 231 is fixed. When hooking a cylindrical graphite material container with a large diameter, the hooks 233 are initially moved outwards. When the graphite material container is in the appropriate position, the hooks 233 are pushed inwards so that the top edge of the graphite material container contacts the inner side of the second horizontal bar of the hook 233. Then, the hooks 233 are fixed by the limiting component. After the four hooks 23 are adjusted, the graphite material container can be hooked.

[0048] Then, the lid 12 is placed on the body 11. After the impregnation material melts, the telescopic rod 21 extends to allow the graphite material container to enter the impregnation material, so that the graphite material comes into contact with the impregnation material. After impregnation, the telescopic rod 21 is retracted to suspend the graphite material container above the impregnation material. The body 11 stops heating. After the temperature drops, the graphite material container is removed from the hook 233.

[0049] If the top of the graphite container is uneven, the hook 233 can be rotated so that the crossbars of the multiple hooks 233 are not at the same height, in order to adapt to the unevenness of the top of the graphite container.

[0050] This embodiment, through the self-rotation of the hanging member 23 and the horizontal telescopic sliding adjustment of the hanging member 23, can adapt to various graphite material containers of different shapes and sizes, giving the lifting mechanism 2 a certain degree of versatility, thereby meeting the impregnation needs of graphite materials of different shapes.

[0051] Example 2

[0052] Please see Figure 5 This embodiment introduces a graphite-impregnated pressure vessel, which has a structure basically the same as the graphite-impregnated pressure vessel introduced in Embodiment 1. The difference is that the limiting component used in this embodiment is mainly composed of bolts 236. The outer circumferential surface of the transverse sleeve 232 is provided with a screw hole, the bolt 236 is screwed into the screw hole and its end can enter into the transverse sleeve 232, and the end of the bolt 236 is provided with a hemispherical protrusion. The outer surface of the crossbar is provided with hemispherical holes linearly and equidistantly distributed along its axial direction; when the bolt 236 is rotated so that the hemispherical protrusion at its end is located in the hemispherical hole of the crossbar, the relative position of the crossbar and the transverse sleeve 232 is fixed.

[0053] This embodiment has the same beneficial effects as Embodiment 1.

[0054] Example 3

[0055] Please see Figure 6This embodiment introduces a graphite-impregnated pressure vessel, which has a structure basically the same as the graphite-impregnated pressure vessel introduced in Embodiment 1. The difference lies in that this embodiment uses a sleeve 25 with a toothed top and a spring to fix the rotation angle of the longitudinal rod 231. A sleeve 25 is fitted on the longitudinal rod 231 in the area between the heat insulation plate 22 and the transverse sleeve 232. The sleeve 25 slides with the longitudinal rod 231 in a concave-convex fit, so the sleeve 25 can only slide linearly on the outer surface of the longitudinal rod 231 and cannot rotate. The sleeve 25 rotates together with the longitudinal rod 231. The length of the sleeve 25 is less than the interval length between the heat insulation plate 22 and the transverse sleeve 232. The bottom of the heat insulation plate 22, located on the outer periphery of the longitudinal rod 231, has a toothed groove that matches the toothed top of the sleeve 25. When the toothed top of the sleeve 25 engages with the toothed groove, the longitudinal rod 231 cannot rotate. A spring 26 is provided between the bottom of the sleeve 25 and the transverse sleeve 232 to push the sleeve 25 upward, so that the top of the sleeve 25 remains within the toothed groove. When it is necessary to rotate the longitudinal rod 231, the sleeve 25 can be slid downwards to disengage the teeth from the grooves.

[0056] This embodiment has the same beneficial effects as Embodiment 1.

[0057] Example 4

[0058] Please see Figure 8 This embodiment introduces a graphite impregnation pressure vessel, which differs from Embodiment 1 in the arrangement of the four hangers 23. The four hangers 23 are arranged in a cross shape, with the vertical bars of two opposing hooks 233 facing outwards and the vertical bars of the other two opposing hooks 233 facing inwards, so as to hang graphite material containers of different length and width directions, such as rectangular and elliptical shapes.

[0059] Example 5

[0060] Please see Figure 9 This embodiment introduces a graphite impregnated pressure vessel, which differs from Embodiment 1 in the arrangement of the four hangers 23. The four hangers 23 are arranged in a cross shape, with the vertical bars of the four hooks 233 all facing inward. Compared with Embodiment 1, all hangers 23 rotate 180 degrees, which can be used to hang graphite material containers of cylindrical, square, or other shapes with dimensions much smaller than the heat insulation plate 22.

[0061] Example 6

[0062] Please see Figure 10 This embodiment introduces a graphite impregnated pressure vessel, which differs from Embodiment 1 in the arrangement of the four hangers 23. The longitudinal bars of the four hooks 233 face outward, with two opposing hangers 23 located on the same line, and the other two hangers 23 offset at an angle to accommodate a polygonal graphite material container with parallel sides.

[0063] Example 7

[0064] Please see Figure 11 This embodiment introduces a graphite impregnated pressure vessel, which differs from Embodiment 1 in the arrangement of the four hooks 23. The longitudinal bars of the four hooks 233 face outward, and the four hooks 233 rotate at a certain angle and are not located on the same linear line to accommodate irregularly shaped graphite material containers such as polygons.

[0065] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A graphite-impregnated pressure vessel, characterized in that, It includes: The pressure vessel body (1) includes a tank body (11) and a tank cover (12), which are detachably connected; The lifting mechanism (2) includes a telescopic rod (21), a heat insulation plate (22), and a hanger (23) for attaching to a graphite container. The fixed end of the telescopic rod (21) extends through the can lid (12) and is fixedly connected. The movable end of the telescopic rod (21) is located below the can lid (12) and is fixedly connected to the heat insulation plate (22). At least four hangers (23) are equidistantly distributed at the bottom edge of the heat insulation plate (22). The top of the hanger (23) extends through the heat insulation plate (22) and is horizontally rotatably connected to it. The movable end of the bottom of the hanger (23) is horizontally slidable. The horizontal rotation of multiple hangers (23) and the horizontal sliding of their movable ends are adapted to attach graphite containers of different shapes and sizes. When the can lid (12) is engaged with the can body (11) and the telescopic rod (21) extends a certain distance, the graphite container attached to the hanger (23) is located at the bottom of the can body (11). The top diameter of the heat insulation plate (22) is the same as the inner diameter of the tank body (11), and the bottom diameter of the heat insulation plate (22) gradually decreases, forming a frustum shape. The heat insulation plate (22) acts as a barrier to reduce the impact of high temperature on the telescopic rod (21). The hanging component (23) includes a longitudinal rod (231), a transverse sleeve (232), a hook (233), and a limiting component; the top of the longitudinal rod (231) runs through the heat insulation plate (22) and is horizontally rotatably connected to it; the transverse sleeve (232) is fixed to the bottom end of the longitudinal rod (231); the hook (233) includes two parallel horizontal bars, a longitudinal rod connecting the ends of the horizontal bars and the two horizontal bars, which are combined into a U-shape, the horizontal bar is located above the horizontal bar, and the end of the horizontal bar passes through the transverse sleeve (232) and extends longitudinally to form an annular protrusion; the limiting component is set at the end of the transverse sleeve (232) and contacts the horizontal bar to limit the relative positional relationship between the hook (233) and the transverse sleeve (232); The outer surface of the longitudinal rod (231) is provided with a sleeve (25) that slides with a convex-concave fit. The top of the sleeve (25) has a toothed pattern and is located below the heat insulation plate (22). The bottom of the heat insulation plate (22) is provided with a matching toothed groove near the top of the sleeve (25). A spring (26) is connected between the sleeve (25) and the transverse sleeve (232). When the toothed pattern on the top of the sleeve (25) meshes with the toothed groove on the bottom of the heat insulation plate (22), the relative rotation angle between the longitudinal rod (231) and the heat insulation plate (22) is fixed.

2. The graphite-impregnated pressure vessel according to claim 1, characterized in that, The limiting component includes a screw sleeve (234) and a flexible pad (235); the screw sleeve (234) is screwed onto the outer surface of one end of the transverse sleeve (232), and the inner diameter of the screw sleeve (234) gradually decreases from the middle section of the inner side along its axial direction to the end opposite to the transverse sleeve (232); multiple flexible pads (235) are arranged on the end face of the transverse sleeve (232) that is close to the screw sleeve (234), forming a ring with a diameter larger than the inner diameter of the transverse sleeve (232); when the screw sleeve (234) is screwed into the transverse sleeve (232), the outer and inner sides of the flexible pad (235) are respectively close to the screw sleeve (234) and the transverse rod.

3. The graphite-impregnated pressure vessel according to claim 1, characterized in that, The limiting component includes a bolt (236); the bolt (236) is vertically screwed onto the surface of the transverse sleeve (232), and the end of the bolt (236) is provided with a hemispherical protrusion. The outer surface of the crossbar is provided with hemispherical holes that are linearly and equidistantly distributed along its axial direction. When the hemispherical protrusion at the end of the bolt (236) is located in the hemispherical hole of the crossbar, the relative position of the crossbar and the transverse sleeve (232) is fixed.

4. The graphite-impregnated pressure vessel according to claim 1, characterized in that, The bottom of the end face of the second crossbar is concave, and a groove is formed at the top of the end face of the second crossbar. A spring (237) is fixedly connected to the bottom of the groove. The top of the spring (237) is connected to the bottom of the movable block (238) and located inside the groove. The top of the movable block (238) is inclined towards one corner of the vertical bar. When the spring (237) is in the initial state, the bottom of the inclined surface of the top of the movable block (238) is at the same height as the top of the end face of the second crossbar. The area where the movable block (238) is located at the top of the second crossbar forms a propulsion area, and the remaining area forms a hooking area.

5. The graphite-impregnated pressure vessel according to claim 1, characterized in that, The can body (11) and the can lid (12) are snapped together.

6. The graphite-impregnated pressure vessel according to claim 5, characterized in that, The outer surface of the can body (11) is connected to a U-shaped stop (27). The U-shaped stop (27) and the can body (11) form a closed frame. The head of the guide rod (28) runs through the closed frame and is hinged to the can lid (12). The inner side of the guide rod (28) contacts the can body (11), and the tail extends horizontally to form a limiting protrusion.

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