A reactor for producing carbon-silicon negative electrode

Abstract

The application belongs to the technical field of carbon-silicon negative electrode production, and discloses a reactor for carbon-silicon negative electrode production, which comprises a reactor body, a process pipe, a partition plate and a filter. The reactor body is internally provided with a reaction cavity. The reactor body is provided with a hand hole and a blind plate detachably connected to the reactor body. The process pipe is arranged in the reactor body and is in communication with the reaction cavity. The partition plate is arranged in the reaction cavity and divides the reaction cavity into an upper chamber and a lower chamber. The hand hole is arranged below the partition plate and is in communication with the lower chamber. The filter is arranged in the lower chamber and is detachably connected to the partition plate. The filter is used to communicate the lower chamber with the upper chamber, so that when the filter is disassembled, only the blind plate and the filter need to be disassembled. Compared with the prior art, the reactor body does not need to be disassembled, thereby reducing the disassembly difficulty of the filter and improving the disassembly efficiency of the filter.

Description

Technical Field

[0001] This application belongs to the technical field of silicon carbide anode production, specifically relating to a reactor for silicon carbide anode production. Background Technology

[0002] With the development of the new energy industry, the anode materials for lithium-ion batteries are also rapidly iterating. In order to improve the energy density of lithium-ion batteries, a carbon-silicon anode has emerged on the market. It is not a single material, but a composite material made by combining traditional graphite materials with high-capacity silicon materials. Its core purpose is to overcome the shortcomings of silicon materials themselves, while giving full play to the advantages of silicon and carbon, so as to improve the energy density of lithium-ion batteries.

[0003] Currently, in the production of silicon-carbon anodes, silane is typically cracked and deposited into porous carbon within a fluidized bed reactor to form a silicon-carbon composite material. However, during the reaction, a large amount of porous carbon is carried to the top of the reactor by the gas flow. To achieve effective gas-solid separation, a filter needs to be installed at the top of the reactor to filter and block the porous carbon. However, as the reactor's usage time increases, porous carbon adheres to the filter, thus affecting its permeability. To ensure filter permeability and maintain reactor efficiency, nitrogen is typically used to clean the filter after a period of equipment use. Backflushing is performed to separate the porous carbon adhering to the filter. While this ensures the filter's permeability to some extent, it has the drawback of not completely cleaning the porous carbon. Therefore, the filter element needs to be replaced after the equipment has been used for a period of time. However, since the existing reactor includes a cylinder, a flange fixed to the top of the cylinder by bolts, and a process pipe fixed to the flange, with the process pipe communicating with the internal space of the cylinder, it is necessary to disassemble and install the flange when replacing the filter element. The presence of the process pipe on the flange increases the difficulty of disassembling and installing the filter, thus affecting the efficiency of filter assembly and disassembly. Utility Model Content

[0004] This application provides a reactor for the production of silicon carbide anodes, which reduces the difficulty of disassembling and assembling filters and improves the efficiency of filter replacement.

[0005] The technical solution adopted in this application is as follows: A reactor for producing silicon carbide anodes, comprising: The reactor body has a reaction chamber inside, and the reactor body is provided with a hand hole and a blind plate for sealing the hand hole. The blind plate is detachably connected to the reactor body. A process pipe is located at the top of the reactor body and is connected to the reaction chamber; A partition plate is disposed inside the reaction chamber and divides the reaction chamber into an upper chamber located at the top of the partition plate and a lower chamber located at the bottom of the partition plate. The hand hole is located below the partition plate and is connected to the lower chamber. A filter is located in the lower chamber and is detachably connected to the partition plate, the filter being used to communicate the lower chamber with the upper chamber.

[0006] By adopting the above technical solution, since the partition plate is located in the reaction chamber and divides the reaction chamber into an upper chamber located at the top of the partition plate and a lower chamber located at the bottom of the partition plate, and the filter is located in the lower chamber and is used to connect the lower chamber and the upper chamber, when the porous carbon moves upward under the carrying action of the airflow, the partition plate and the filter can block the porous carbon to prevent the porous carbon from entering the upper chamber.

[0007] Because the reactor body is equipped with a handhole communicating with the lower chamber and a blind plate for sealing the handhole, and the filter is located in the lower chamber and detachably connected to the partition plate, when disassembling and assembling the filter, it is only necessary to first remove the blind plate to separate it from the reactor body. Then, the operator can insert their hand into the reaction chamber through the handhole and operate the reactor to separate the filter from the partition plate. The removed filter can then be taken out through the handhole. The filter element is then replaced on the outside of the reactor body. After the filter element is replaced, the filter is placed back into the reaction chamber through the handhole and installed onto the partition plate. Finally, the blind plate is installed on the reactor body to seal the handhole, thus completing the disassembly and assembly of the filter.

[0008] In summary, when disassembling and assembling the filter, only the blind plate and the filter itself need to be disassembled and assembled. Compared with the existing technology, this avoids the need to disassemble and assemble the reactor body, thereby reducing the difficulty of disassembling and assembling the filter and improving the efficiency of disassembly and assembly.

[0009] Optionally, the partition plate is provided with a through hole, and the filter includes a filter shell with an open top, a filter element disposed inside the filter shell, and a connecting pipe disposed on the top of the filter shell and communicating with the inside of the filter shell, the connecting pipe passing through the through hole.

[0010] By adopting the above technical solution, since the connecting pipe is located at the top of the filter housing and communicates with the inside of the filter housing, and the connecting pipe passes through the through hole, the lower chamber and the upper chamber are connected through the filter. On the other hand, the filter can be positioned by using the insertion and cooperation of the connecting pipe and the through hole, thereby increasing the stability of the filter.

[0011] Optionally, the partition plate is provided with a nut, and the connecting pipe is threaded to the nut.

[0012] By adopting the above technical solution, since the partition plate is equipped with a nut and the connecting pipe is threaded to the nut, on the one hand, the threaded connection between the connecting pipe and the nut can realize the detachable connection between the filter and the partition plate. On the other hand, when disassembling and assembling the filter, it is only necessary to screw the filter, which further reduces the difficulty of disassembling and assembling the filter and thus further improves the efficiency of disassembling and assembling the filter.

[0013] Optionally, the nut is fixedly connected to the partition plate; Alternatively, the nut is located at the top of the partition plate, and the partition plate is provided with a limiting sleeve that is fitted over the nut.

[0014] By adopting the above technical solution, since the nut is fixedly connected to the partition plate, the connection stability between the nut and the partition plate is increased, thereby ensuring the connection stability between the filter and the partition plate, and thus ensuring the filtration effect of the filter on porous carbon.

[0015] Since the nut is located at the top of the partition plate, and the partition plate is equipped with a limiting sleeve that is fitted over the nut, the limiting sleeve can be used to limit the nut to prevent the nut from rotating with the filter during the tightening process, thus ensuring the efficiency of filter installation and removal.

[0016] Optionally, the top of the filter housing is provided with an end cap, the connecting pipe is disposed on the end cap, and the diameter of the connecting pipe is smaller than the diameter of the filter housing.

[0017] By adopting the above technical solution, since the top of the filter housing is provided with an end cap and the connecting pipe is located on the end cap, and the diameter of the connecting pipe is smaller than the diameter of the filter housing, the filter can be limited by the stop of the end cap and the partition plate during filter installation, so as to facilitate the staff to install the filter in place. At the same time, it can also increase the contact area between the filter and the partition plate, thereby increasing the sealing between the partition plate and the filter, and thus improving the filter's filtering and blocking effect on porous carbon.

[0018] Optionally, a sealing ring is fitted around the outside of the connecting pipe, and the sealing ring is located between the partition plate and the end cap.

[0019] By adopting the above technical solution, since a sealing ring is sleeved on the outside of the connecting pipe, and the sealing ring is located between the partition plate and the end cap, the sealing ring can seal the gap between the end cap and the partition plate, thereby further increasing the sealing performance between the filter and the partition plate, and thus further improving the filter's filtration effect on porous carbon. On the other hand, the end cap and the partition plate can also compress the sealing ring, causing the sealing ring to deform, thereby improving the sealing effect of the sealing ring on the gap between the partition plate and the end cap, and thus further improving the filter's filtration effect on porous carbon.

[0020] Optionally, the end cap is provided with an annular groove surrounding the connecting pipe, and at least a portion of the sealing ring is located in the annular groove.

[0021] By adopting the above technical solution, since the end cap is provided with an annular groove surrounding the connecting pipe, at least part of the sealing ring is located in the annular groove. This allows the sealing ring to be limited by the groove wall, preventing it from twisting and deforming during the screwing of the filter, thus avoiding the sealing ring from detaching from the end cap and the partition plate. This improves the stability of the sealing ring and ensures its sealing effect on the gap between the end cap and the partition plate. Furthermore, it increases the contact area between the sealing ring and the end cap, further improving the sealing effect of the sealing ring on the gap between the end cap and the partition plate.

[0022] Optionally, the connecting pipe includes a through section passing through the through hole. The through section includes a first section and a second section located on the side of the first section away from the filter shell. The outer diameter of the second section gradually decreases in the direction away from the filter shell, and the shape of the through hole is adapted to the through section.

[0023] By adopting the above technical solution, since the through-section includes a first section and a second section located on the side of the first section away from the filter shell, the outer diameter of the second section gradually decreases in the direction away from the filter shell, and the shape of the through hole is adapted to the through-section, thus, firstly, it can increase the diameter difference between the second section and the orifice of the through hole away from the upper chamber, so as to facilitate the connection pipe through the through hole; secondly, it can also use the cooperation between the second section and the hole wall of the through hole to guide the filter, so as to facilitate the installation of the filter on the partition plate, thereby further improving the installation efficiency of the filter; thirdly, it can also increase the contact area between the through-section and the hole wall of the through hole to ensure the sealing between the through-section and the hole wall of the through hole; fourthly, it can also use the cooperation between the first section and the hole wall of the through hole to position the filter, so as to ensure the connection stability between the filter and the partition plate.

[0024] Optionally, the process tube has a connecting section located inside the reaction chamber, the connecting section extending into the connecting tube.

[0025] By adopting the above technical solution, since the process tube has a connecting section located inside the reaction chamber and the connecting section extends into the connecting tube, on the one hand, most of the gas in the connecting tube can enter the process tube, and on the other hand, when the process tube backflushs the filter, the gas can directly enter the connecting tube to improve the backflush effect of the filter, thereby extending the service life of the filter element and reducing the operating cost of the reactor.

[0026] Optionally, multiple handholes are provided along the circumference of the reactor body, and the reactor body is provided with an extension tube located at the handhole, and the blind plate is detachably connected to the extension tube; And / or, the reactor body includes a cylindrical body and a head fixedly connected to the cylindrical body, the process pipe is disposed on the head, and the hand hole and the blind plate are disposed on the cylindrical body.

[0027] By adopting the above technical solution, since multiple handholes are provided along the circumference of the cylinder, when disassembling and assembling the filter, the operator can select a more suitable handhole to insert their hand into the reaction chamber, thereby increasing the flexibility of disassembling and assembling the filter and improving the operator's experience in disassembling and assembling the filter. Furthermore, since the reactor body is provided with an extension tube located at the handhole, the blind plate can be detachably connected to the extension tube, which can increase the connection stability between the blind plate and the reactor body on the one hand, and reduce the manufacturing difficulty of the blind plate on the other hand, thereby reducing the manufacturing cost of the reactor.

[0028] Since the reactor body includes a cylinder and a head fixedly connected to the cylinder, the head can be fixedly connected to the cylinder by welding, thereby increasing the connection stability between the head and the cylinder. At the same time, compared with the existing technology, the sealing gasket that needs to be placed between the cylinder and the head can be eliminated, thereby reducing the production cost of the reactor.

[0029] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows: 1. The reactor in this application includes a reactor body, a process pipe, a partition plate, and a filter. The reactor body has a reaction chamber inside. The reactor body is provided with a hand hole and a blind plate for sealing the hand hole. The blind plate is detachably connected to the reactor body. The process pipe is located at the top of the reactor body and communicates with the reaction chamber. The partition plate is located inside the reaction chamber and divides the reaction chamber into an upper chamber located at the top of the partition plate and a lower chamber located at the bottom of the partition plate. The hand hole is located below the partition plate and communicates with the lower chamber. The filter is located in the lower chamber and is detachably connected to the partition plate. The filter is used to connect the lower chamber and the upper chamber. Thus, when disassembling and assembling the filter, only the blind plate and the filter need to be disassembled and assembled. Compared with the prior art, this avoids the need to disassemble and assemble the reactor body, thereby reducing the difficulty of disassembling and assembling the filter and improving the efficiency of disassembly and assembly.

[0030] 2. The partition plate in this application is provided with through holes. The filter includes a filter shell with an open top, a filter element inside the filter shell, and a connecting pipe on the top of the filter shell that communicates with the inside of the filter shell. The connecting pipe passes through the through holes, thereby enabling the lower chamber and the upper chamber to be connected through the filter. On the other hand, the filter can be positioned by the insertion and cooperation of the connecting pipe and the through holes, so as to increase the stability of the filter.

[0031] 3. The partition plate in this application is provided with a nut, and the connecting pipe is threaded to the nut. This allows for a detachable connection between the filter and the partition plate by means of the threaded connection between the connecting pipe and the nut. Furthermore, it allows for easy disassembly and assembly of the filter by simply screwing the filter on, thereby reducing the difficulty of disassembly and assembly and improving the efficiency of disassembly and assembly. Attached Figure Description

[0032] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the reactor described in one embodiment of this application; Figure 2 This is a partial structural cross-sectional view of the reactor described in one embodiment of this application; Figure 3 This is a partial structural cross-sectional view of the reactor described in one embodiment of this application, wherein only one filter is shown in the figure; Figure 4 for Figure 3 Enlarged view of part A in the middle.

[0033] Figure label: 1. Reactor body; 11. Shell; 111. Extension pipe; 112. Hand hole; 114. Reaction chamber; 115. Upper chamber; 116. Lower chamber; 12. End cap; 2. Process pipe; 21. Connecting section; 3. Divider plate; 31. Through hole; 32. Nut; 4. Filter; 41. Filter shell; 411. End cap; 412. Annular groove; 42. Connecting pipe; 421. Sealing ring; 422. Connecting section; 423. Through section; 424. First section; 425. Second section. Detailed Implementation

[0034] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0035] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0036] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., 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.

[0037] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," 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, an electrical connection, or a communication 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. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "implementation," "example," "a particular embodiment," "example," or "specific example," etc., indicate that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the 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 can be combined in any suitable manner in one or more embodiments or examples.

[0039] Reference Figures 1 to 4 A reactor for producing silicon carbide anodes is disclosed, comprising a reactor body 1, a process pipe 2, a partition plate 3, and a filter 4. The reactor body 1 has a reaction chamber 114 inside, and is provided with a hand hole 112 and a blind plate for sealing the hand hole 112. The blind plate is detachably connected to the reactor body 1. The process pipe 2 is located at the top of the reactor body 1 and communicates with the reaction chamber 114. The partition plate 3 is located inside the reaction chamber 114 and divides the reaction chamber 114 into an upper chamber 115 located at the top of the partition plate 3 and a lower chamber 116 located at the bottom of the partition plate 3. The hand hole 112 is located below the partition plate 3 and communicates with the lower chamber 116. The filter 4 is located in the lower chamber 116 and is detachably connected to the partition plate 3. The filter 4 is used to communicate between the lower chamber 116 and the upper chamber 115.

[0040] It is understandable that the process pipe 2 is fixedly connected to the reactor body 1, the filter 4 can block and filter the porous carbon so that the porous carbon cannot pass through the filter 4 and enter the upper chamber 115, and the diameter of the hand hole 112 is larger than the diameter of the filter 4 so that the operator can remove the filter 4 through the hand hole 112.

[0041] Since the partition plate 3 is located in the reaction chamber 114, and the partition plate 3 divides the reaction chamber 114 into an upper chamber 115 located at the top of the partition plate 3 and a lower chamber 116 located at the bottom of the partition plate 3, the filter 4 is located in the lower chamber 116 and is used to connect the lower chamber 116 and the upper chamber 115. As a result, when the porous carbon moves upward under the carrying action of the airflow, the partition plate 3 and the filter 4 can block the porous carbon, so as to prevent the porous carbon from entering the upper chamber 115.

[0042] Since the reactor body 1 is provided with a handhole 112 communicating with the lower chamber 116 and a blind plate for sealing the handhole 112, and the filter 4 is located in the lower chamber 116 and is detachably connected to the partition plate 3, when disassembling and assembling the filter 4, it is only necessary to first remove the blind plate to separate the blind plate from the reactor body 1, and then the operator can insert their hand into the reaction chamber 114 through the handhole 112 and then operate the reactor to separate the filter 4 from the partition plate 3. The disassembled filter 4 can then be taken out through the handhole 112. Then the filter element is replaced on the outside of the reactor body 1. After the filter element is replaced, the filter 4 is placed into the reaction chamber 114 through the handhole 112 and installed on the partition plate 3. Finally, the blind plate is installed on the reactor body 1 to seal the handhole 112, thus completing the disassembly and assembly of the filter 4.

[0043] In summary, when disassembling and assembling filter 4, only the blind plate and filter 4 need to be disassembled and assembled. Compared with the solution in the prior art, this avoids the need to disassemble and assemble the reactor body 1, thereby reducing the difficulty of disassembling and assembling filter 4 and improving the efficiency of disassembling and assembling filter 4.

[0044] This application does not specifically limit the connection method between the upper chamber 115 and the lower chamber 116 of the filter 4. Preferably, refer to Figure 3 and Figure 4 The partition plate 3 is provided with a through hole 31. The filter 4 includes a filter shell 41 with an open top, a filter element inside the filter shell 41, and a connecting pipe 42 located on the top of the filter shell 41 and communicating with the inside of the filter shell 41. The connecting pipe 42 passes through the through hole 31.

[0045] It is understandable that the through hole 31 penetrates the partition plate 3 in the thickness direction, and the outer peripheral surface of the filter shell 41 is provided with a plurality of filter holes that communicate with the interior of the filter shell 41.

[0046] Since the connecting pipe 42 is located at the top of the filter housing 41 and communicates with the inside of the filter housing 41, and the connecting pipe 42 passes through the through hole 31, the lower chamber 116 and the upper chamber 115 are connected through the filter 4 on the one hand, and the filter 4 can be positioned by the insertion and cooperation of the connecting pipe 42 and the through hole 31, so as to increase the stability of the filter 4.

[0047] In other embodiments, the connecting pipe 42 can be omitted and the filter housing 41 can be inserted through the through hole 31 of the partition plate 3 to achieve communication between the upper chamber 115 and the lower chamber 116 through the filter 4.

[0048] This application does not specify the detachable connection method between the filter 4 and the partition plate 3. Preferably, refer to Figure 3and Figure 4 The partition plate 3 is provided with a nut 32, and the connecting pipe 42 is threadedly connected to the nut 32.

[0049] It is understandable that the connecting pipe 42 has an external thread that is compatible with the internal thread of the nut 32.

[0050] Since the partition plate 3 is provided with a nut 32, and the connecting pipe 42 is threaded to the nut 32, the filter 4 and the partition plate 3 can be detachably connected by the threaded connection between the connecting pipe 42 and the nut 32. On the other hand, when disassembling and assembling the filter 4, it is only necessary to screw the filter 4, which further reduces the difficulty of disassembling and assembling the filter 4 and further improves the efficiency of disassembling and assembling the filter 4.

[0051] This application does not specifically limit the connection relationship between the nut 32 and the partition plate 3, and it can adopt any of the following embodiments: Example 1, in this example, refers to Figure 3 and Figure 4 Nut 32 is fixedly connected to partition plate 3.

[0052] It is understandable that the central axis of the nut 32 is collinear with the central axis of the through hole 31.

[0053] Since the nut 32 is fixedly connected to the partition plate 3, the connection stability between the nut 32 and the partition plate 3 is increased, thereby ensuring the connection stability between the filter 4 and the partition plate 3, and thus ensuring the filtration effect of the filter 4 on porous carbon.

[0054] In this embodiment, the positional relationship between the nut 32 and the partition plate 3 is not specifically limited. Preferably, the nut 32 is located at the top of the partition plate 3 so that the filter shell 41 can be limited by the stop of the partition plate 3 at the end of the filter shell 41. In other embodiments, the nut 32 may also be located at the bottom of the partition plate 3.

[0055] In Example 2, the nut 32 is located at the top of the partition plate 3, and the partition plate 3 is provided with a limiting sleeve that is fitted over the nut 32.

[0056] It is understandable that the limiting sleeve is located on the top of the partition plate 3 and is fixedly connected to the partition plate 3. The nut 32 has a regular hexagonal cross section. The limiting sleeve has a central hole with a regular hexagonal cross section inside. The wall of the central hole contacts the outer peripheral surface of the nut 32.

[0057] Since the nut 32 is located at the top of the partition plate 3, and the partition plate 3 is provided with a limiting sleeve that is fitted outside the nut 32, the limiting sleeve can be used to limit the nut 32 to prevent the nut 32 from rotating with the filter 4 during the process of screwing the filter 4, so as to ensure the efficiency of disassembling and assembling the filter 4.

[0058] In other embodiments, a tube is provided at the bottom of the partition plate 3. The inner diameter of the tube is larger than the outer diameter of the connecting tube 42. The tube is provided with a limiting groove extending from bottom to top and a stop groove extending circumferentially along the tube. The stop groove is located at the top end of the limiting groove and is connected to the limiting groove. A stop rod is provided on the outside of the connecting tube 42. When installing the filter 4, the filter 4 is first placed into the reaction chamber 114, then the connecting tube 42 is aligned with the tube, and the stop rod is aligned with the limiting groove. Then, an upward force is applied to the filter 4. The force is applied to the filter housing 41, which in turn drives the connecting pipe 42 and the stop rod upwards. This causes the stop rod to extend into the limiting groove and slide relative to the groove. When the stop rod reaches the top of the limiting groove, the filter housing 41 can no longer move upwards. Then, the filter housing 41 is rotated, which drives the connecting pipe 42 and the stop rod to rotate. Finally, the stop rod enters the stop groove, where it engages with the groove wall to limit the filter 4, thus completing the installation of the filter 4 on the partition plate 3.

[0059] This application does not specify the connection method between the connecting pipe 42 and the filter housing 41. Preferably, refer to... Figure 3 and Figure 4 The top of the filter housing 41 is provided with an end cap 411, and the connecting pipe 42 is provided on the end cap 411, and the diameter of the connecting pipe 42 is smaller than the diameter of the filter housing 41.

[0060] It is understood that the end cap 411 is fixedly connected to the filter housing 41, the connecting pipe 42 is fixedly connected to the end cap 411, and the end cap 411 is provided with a hole structure corresponding to the connecting pipe 42 to realize the communication between the connecting pipe 42 and the internal space of the filter housing 41.

[0061] Since the filter housing 41 is provided with an end cap 411 at the top, and the connecting pipe 42 is located on the end cap 411, and the diameter of the connecting pipe 42 is smaller than the diameter of the filter housing 41, when the filter 4 is installed, the end cap 411 and the stop of the partition plate 3 can be used to limit the position of the filter 4, so as to facilitate the staff to install the filter 4 in place. At the same time, it can also increase the contact area between the filter 4 and the partition plate 3, thereby increasing the sealing between the partition plate 3 and the filter 4, and thus improving the filtration and blocking effect of the filter 4 on porous carbon.

[0062] In other embodiments, the design of the end cap 411 can be omitted, and the connecting pipe 42 can be directly fixed to the filter shell 41, while the outer diameter of the connecting pipe 42 is greater than or equal to the outer diameter of the filter shell 41.

[0063] In a preferred embodiment, refer to Figure 3 and Figure 4 A sealing ring 421 is fitted on the outside of the connecting pipe 42, and the sealing ring 421 is located between the partition plate 3 and the end cap 411.

[0064] It is understandable that in the above-mentioned scheme where the nut 32 is located at the top of the partition plate 3, after the filter 4 is installed on the partition plate 3, the sealing ring 421 is located between the partition plate 3 and the end cap 411; in the above-mentioned scheme where the nut 32 is located at the bottom of the partition plate 3, after the filter 4 is installed on the partition plate 3, the sealing ring 421 is located between the nut 32 and the end cap 411.

[0065] Since the connecting pipe 42 is fitted with a sealing ring 421, which is located between the partition plate 3 and the end cap 411, the sealing ring 421 can seal the gap between the end cap 411 and the partition plate 3, thereby further increasing the sealing performance between the filter 4 and the partition plate 3 and thus further improving the filtration effect of the filter 4 on porous carbon. On the other hand, the end cap 411 and the partition plate 3 can also compress the sealing ring 421 to deform it, thereby improving the sealing effect of the sealing ring 421 on the gap between the partition plate 3 and the end cap 411 and further improving the filtration effect of the filter 4 on porous carbon.

[0066] Furthermore, refer to Figure 3 and Figure 4 The end cap 411 is provided with an annular groove 412 surrounding the connecting pipe 42, and at least a portion of the sealing ring 421 is located in the annular groove 412.

[0067] It should be noted that after the filter 4 is installed on the partition plate 3, the sealing ring 421 is completely located in the annular groove 412 under the mutual compression of the partition plate 3 and the end cap 411; or, at least a portion of the sealing ring 421 is located in the annular groove 412.

[0068] Since the end cap 411 is provided with an annular groove 412 surrounding the connecting pipe 42, at least a portion of the sealing ring 421 is located in the annular groove 412. This allows the sealing ring 421 to be limited by the groove wall of the annular groove 412, preventing the sealing ring 421 from twisting and deforming during the screwing of the filter 4, thus preventing a portion of the sealing ring 421 from separating from the end cap 411 and the partition plate 3. This improves the stability of the sealing ring 421 and ensures the sealing effect of the sealing ring 421 on the gap between the end cap 411 and the partition plate 3. On the other hand, it also increases the contact area between the sealing ring 421 and the end cap 411, further improving the sealing effect of the sealing ring 421 on the gap between the end cap 411 and the partition plate 3.

[0069] This application does not specifically limit the method of replacing the filter element. Preferably, the bottom of the filter housing 41 is open, and a cap for sealing the bottom opening of the filter housing 41 is threadedly connected to the bottom of the filter housing 41. When replacing the filter element, simply unscrew the cap from the filter housing 41 to facilitate filter element replacement. In other embodiments, the end cap 411 can also be connected to the filter housing 41 by a threaded connection to achieve the same effect of facilitating filter element replacement.

[0070] This application does not specifically limit the structure of the connecting pipe 42; preferably, refer to... Figure 3 and Figure 4 The connecting pipe 42 includes a through section 423 that passes through the through hole 31. The through section 423 includes a first section 424 and a second section 425 located on the side of the first section 424 away from the filter shell 41. The outer diameter of the second section 425 is gradually reduced in the direction away from the filter shell 41, and the shape of the through hole 31 is adapted to the through section 423.

[0071] It is understood that the connecting pipe 42 also includes a connecting section 422 that is threaded to the nut 32. The connecting section 422 has an external thread on its outside and is located on the side of the second section 425 away from the filter shell 41.

[0072] Since the through section 423 includes a first section 424 and a second section 425 located on the side of the first section 424 away from the filter housing 41, the outer diameter of the second section 425 gradually decreases in the direction away from the filter housing 41, and the shape of the through hole 31 is adapted to the through section 423, the following advantages are achieved: First, it increases the diameter difference between the second section 425 and the orifice of the through hole 31 away from the upper chamber 115, so as to facilitate the passage of the connecting pipe 42 through the through hole 31. Second, it can also guide the filter 4 by the cooperation between the second section 425 and the hole wall of the through hole 31, so as to facilitate the installation of the filter 4 on the partition plate 3, thereby further improving the installation efficiency of the filter 4. Third, it can also increase the contact area between the through section 423 and the hole wall of the through hole 31, so as to ensure the sealing between the through section 423 and the hole wall of the through hole 31. Fourth, it can also position the filter 4 by the cooperation between the first section 424 and the hole wall of the through hole 31, so as to ensure the connection stability between the filter 4 and the partition plate 3.

[0073] The better one is to refer to Figure 4 The first segment 424 and the second segment 425 are each provided in two parts. One first segment 424 is fixedly connected to the end cap 411, and the other first segment 424 is located between the two second segments 425. The diameter of the first segment 424 located near the end cap 411 is larger than the diameter of the first segment 424 at the other end. The diameters of the two second segments 425 are gradually reduced in the direction away from the end cap 411, so as to increase the diameter difference between the end of the through segment 423 away from the end cap 411 and the orifice of the through hole 31 on the side away from the upper chamber 115, thereby further facilitating the installation of the filter 4.

[0074] This application does not specifically limit the positional relationship between process pipe 2 and connecting pipe; preferably, refer to... Figure 3 and Figure 4 The process pipe 2 has a connecting section 21 located inside the reaction chamber 114. The connecting section 21 extends into the connecting pipe 42, which allows most of the gas in the connecting pipe 42 to enter the process pipe 2. On the other hand, when the process pipe 2 backflushs the filter 4, the gas can directly enter the connecting pipe 42 to improve the backflush effect of the filter 4, thereby extending the service life of the filter element of the filter 4 and reducing the operating cost of the reactor.

[0075] This application does not specify the number of filters 4. Preferably, multiple filters 4 are provided, and multiple process pipes 2 are provided corresponding to multiple filters 4, with each corresponding to one of them. The connecting section 21 of each process pipe 2 extends into the connecting pipe 42 of its corresponding filter 4 to improve the working efficiency of the reactor.

[0076] In other embodiments, the connecting segment 21 may be located above the connecting pipe 42.

[0077] This application does not specify a particular number of handholes 112; preferably, refer to... Figures 1 to 3 Multiple handholes 112 are provided along the circumference of the reactor body 1. The reactor body 1 is provided with an extension pipe 111 located at the handholes 112. The blind plate is detachably connected to the extension pipe 111.

[0078] It is understandable that the extension tube 111 is fixedly connected to the reactor body 1, and multiple extension tubes 111 are provided corresponding to the handholes 112, with each corresponding to the other.

[0079] Since there are multiple handholes 112 along the circumference of the cylinder 11, when disassembling and assembling the filter 4, the operator can select a more suitable handhole 112 to insert his / her hand into the reaction chamber 114, thereby increasing the flexibility of disassembling and assembling the filter 4 and improving the operator's experience in disassembling and assembling the filter 4.

[0080] Furthermore, since the reactor body 1 is provided with an extension tube 111 located at the hand hole 112, the blind plate can be detachably connected to the extension tube 111. This can increase the connection stability between the blind plate and the reactor body 1, and reduce the manufacturing difficulty of the blind plate, thereby reducing the manufacturing cost of the reactor.

[0081] This application does not specify a particular method for the detachable connection between the blind flange and the extension tube 111. Preferably, the blind flange is detachably connected to the extension tube 111 via bolts to increase the connection stability between the blind flange and the extension tube 111. In other embodiments, the blind flange can also be detachably connected to the extension tube 111 via a snap-fit ​​structure.

[0082] This application does not specifically limit the structure of the reactor body 1; preferably, refer to... Figure 1 and Figure 3 The reactor body 1 includes a cylinder 11 and a head 12 fixedly connected to the cylinder 11. The process pipe 2 is located on the head 12, and the hand hole 112 and the blind plate are located on the cylinder 11.

[0083] It is understandable that the end cap 12 is fixedly connected to the cylinder 11 by welding, and the extension tube 111 is fixedly connected to the cylinder 11 by welding.

[0084] Since the reactor body 1 includes a cylinder 11 and a head 12 fixedly connected to the cylinder 11, the head 12 can be fixedly connected to the cylinder 11 by welding, thereby increasing the connection stability between the head 12 and the cylinder 11. At the same time, compared with the prior art, the sealing gasket that needs to be set between the cylinder 11 and the head 12 can be eliminated, thereby reducing the production cost of the reactor.

[0085] This application does not specify the location of the partition plate 3; preferably, refer to... Figure 3 The partition plate 3 is located inside the cylinder 11, and its outer circumferential surface is fixedly connected to the inner wall of the cylinder 11. In other embodiments, the partition plate 3 may also be located inside the end cap 12.

[0086] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0087] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0088] The above description is merely an embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

Claims

1. A reactor for producing silicon carbide anodes, characterized in that, include: The reactor body (1) has a reaction chamber (114) inside. The reactor body (1) is provided with a hand hole (112) and a blind plate for sealing the hand hole (112). The blind plate is detachably connected to the reactor body (1). Process pipe (2), the process pipe (2) is located at the top of the reactor body (1) and is connected to the reaction chamber (114); A partition plate (3) is provided inside the reaction chamber (114) and divides the reaction chamber (114) into an upper chamber (115) located at the top of the partition plate (3) and a lower chamber (116) located at the bottom of the partition plate (3). The hand hole (112) is located below the partition plate (3) and is connected to the lower chamber (116). A filter (4) is located in the lower chamber (116) and is detachably connected to the partition plate (3). The filter (4) is used to connect the lower chamber (116) with the upper chamber (115).

2. The reactor for producing silicon carbide anodes according to claim 1, characterized in that, The partition plate (3) is provided with a through hole (31). The filter (4) includes a filter shell (41) with an open top, a filter element inside the filter shell (41), and a connecting pipe (42) on the top of the filter shell (41) and communicating with the inside of the filter shell (41). The connecting pipe (42) passes through the through hole (31).

3. The reactor for producing silicon carbide anodes according to claim 2, characterized in that, The partition plate (3) is provided with a nut (32), and the connecting pipe (42) is threaded to the nut (32).

4. The reactor for producing silicon carbide anodes according to claim 3, characterized in that, The nut (32) is fixedly connected to the partition plate (3); Alternatively, the nut (32) is located on top of the partition plate (3), and the partition plate (3) is provided with a limiting sleeve fitted outside the nut (32).

5. A reactor for producing silicon carbide anodes according to claim 2, characterized in that, The filter housing (41) is provided with an end cap (411) on the top, and the connecting pipe (42) is provided on the end cap (411), and the diameter of the connecting pipe (42) is smaller than the diameter of the filter housing (41).

6. A reactor for producing silicon carbide anodes according to claim 5, characterized in that, A sealing ring (421) is fitted on the outside of the connecting pipe (42), and the sealing ring (421) is located between the partition plate (3) and the end cap (411).

7. A reactor for producing silicon carbide anodes according to claim 6, characterized in that, The end cap (411) is provided with an annular groove (412) surrounding the connecting pipe (42), and at least a portion of the sealing ring (421) is located in the annular groove (412).

8. The reactor for producing silicon carbide anodes according to claim 2, characterized in that, The connecting pipe (42) includes a through section (423) that passes through the through hole (31). The through section (423) includes a first section (424) and a second section (425) located on the side of the first section (424) away from the filter shell (41). The outer diameter of the second section (425) is gradually reduced in the direction away from the filter shell (41), and the shape of the through hole (31) is adapted to the through section (423).

9. A reactor for producing silicon carbide anodes according to claim 2, characterized in that, The process tube (2) has a connecting section (21) located inside the reaction chamber (114), the connecting section (21) extending into the connecting tube (42).

10. A reactor for producing silicon carbide anodes according to any one of claims 1-9, characterized in that, Multiple handholes (112) are provided along the circumference of the reactor body (1). The reactor body (1) is provided with an extension tube (111) located at the handholes (112). The blind plate is detachably connected to the extension tube (111). And / or, the reactor body (1) includes a cylinder (11) and a head (12) fixedly connected to the cylinder (11), the process pipe (2) is provided on the head (12), the hand hole (112) and the blind plate are provided on the cylinder (11).

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