Reaction device for synthesizing catalyst and silicon nitride
By designing a motor-driven disk and stirring rod system, the problem of uneven catalyst distribution was solved, achieving efficient, stable, and uniform reaction in the silicon nitride synthesis process, improving product quality and reducing energy consumption.
Patent Information
- Application Number
- CN202520132836.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing reaction devices for the synthesis of silicon nitride, the catalyst is unevenly distributed, resulting in inconsistent reaction rates. This may lead to byproducts or defects in the silicon nitride crystal structure. Furthermore, traditional methods are energy-intensive and produce unstable product quality.
A reaction apparatus for the synthesis of catalyst and silicon nitride was designed. The uniform dispersion and stirring of the catalyst are achieved through a motor-driven disk and stirring rod system. Combined with temperature control, the uniform contact of reactant molecules and the acceleration of mass transfer are ensured.
This method achieves uniform dispersion of the catalyst, improves reaction efficiency, reduces local reaction rate inhomogeneity, ensures the stability of the reaction process and product quality, and reduces energy consumption.
Smart Images
Figure CN223732712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material synthetic technique field, more specifically, the utility model relates to a kind of reaction device of catalyst and silicon nitride synthesis. BACKGROUND
[0002] In the field of modern material science, silicon nitride, as a high-performance ceramic material with great potential, has attracted much attention. It has excellent mechanical strength, high-temperature resistance and chemical stability, and is widely used in aerospace, automobile manufacturing, electronic chips and other high-tech industries. However, the traditional synthesis method of silicon nitride often faces problems such as harsh reaction conditions, high energy consumption and unstable product quality. The introduction of catalyst brings hope to break through these bottlenecks. With its unique catalytic activity, it can reduce the activation energy of the reaction, optimize the reaction path and promote the efficient synthesis of silicon nitride under relatively mild conditions.
[0003] The existing reaction device for synthesizing catalyst and silicon nitride has the problem of uneven distribution of catalyst. Some reactant molecules may not be able to contact the active sites for a long time, resulting in a slow reaction rate. This can cause the local reaction rate to be too fast or too slow. In areas where the reaction is too fast, byproducts may be produced, or the crystalline structure of silicon nitride may have defects. Therefore, improvement and optimization are needed. SUMMARY
[0004] To overcome the shortcomings of the prior art, the utility model provides a reaction device for synthesizing catalyst and silicon nitride, which has the advantage of uniform addition of raw materials.
[0005] To achieve the above object, the utility model provides following technical scheme: a reaction device of catalyst and silicon nitride synthesis, including the reaction tank shell, the top of reaction tank shell is fixedly installed with second motor support, the inside of second motor support is fixedly installed with first motor, the top of reaction tank shell is fixedly installed with first support, the top of first support is fixedly installed with first C shape support and the output shaft of first motor penetrates first C shape support, the end of output shaft of first motor is fixedly installed with disc, the positive face upper side of disc is fixedly installed with convex cylinder, the inside of the both sides extension lug of first C shape support is slidably installed with sliding rod, the one side end of sliding rod is fixedly installed with sleeve piece, the inside of two sleeve pieces is fixedly installed with annular sleeve piece and the outer surface of convex cylinder is movably sleeved with annular sleeve piece, the other side end of sliding rod is fixedly connected with second C shape support and the other side end of two sliding rods is fixedly connected with the both sides extension lug of second C shape support, the top of reaction tank shell is fixedly installed with second support, the top of second support is fixedly installed with sliding support, the inside of sliding support is slidably installed with sliding plate, the middle part of sliding plate is equipped with first circular groove, second C shape support and sliding plate are fixedly connected through L shape connecting block, the inside of reaction tank shell is fixedly installed with reaction tank, the both sides of sliding support top are fixedly installed with fixed ring, the top of fixed ring is fixedly installed with downcomer.
[0006] As a preferred technical scheme of the utility model, the upper outer surface of the reaction tank shell is fixedly installed with a first motor support in the middle, the bottom side of the first motor support is fixedly installed with a second motor, and the output shaft of the second motor extends to the inside of the reaction tank, the end of the output shaft of the second motor is fixedly connected with a transmission rod, the outer surface of the transmission rod is fixedly installed with a stirring rod which is in a grid shape, the bottom side of the transmission rod is fixedly installed with a rotating disc, the outer wall of the reaction tank is fixedly sleeved with a temperature conduction device between the reaction tank shell and the reaction tank, the outer surface of the reaction tank shell is fixedly installed with a temperature control device, and the end of the temperature conduction device extends to the inside of the temperature control device.
[0007] As a preferred technical scheme of the utility model, the top of the fixed ring is fixedly installed with a downcomer, and the communication pipe is fixedly installed on the left and right sides of the bottom of the sliding support and is aligned with the opening of the fixed ring.
[0008] As a preferred technical scheme of the utility model, the end of the convex cylinder is fixedly installed with a limiting lug, and the limiting lug does not contact the annular sleeve piece.
[0009] As a preferred technical scheme of the utility model, the outer surface of the rotating disc is provided with a second circular groove, and the second circular groove is in a circumferential array shape.
[0010] As a preferred technical scheme of the utility model, the outer surface of the reaction tank shell is fixedly installed with a fixed support, and the support frames on the bottom side of the fixed support are fixedly installed in a circumferential array around the fixed support.
[0011] As a preferred technical scheme of the utility model, the bottom side of the reaction tank is fixedly installed with a conical block, the bottom side of the conical block is fixedly connected with a connecting pipe, the connecting pipe extends through the reaction tank shell to the inside of the collecting box, the bottom side of the collecting box is fixedly connected with a discharge pipe and is in communication with each other, and the discharge pipe is internally threadedly connected with a valve.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] 1、 the output shaft of the first motor drives the disc to start rotating, when the disc starts rotating, the convex cylinder will be driven to start rotating, then the convex cylinder will drive the annular sleeve block to move in a circle, when the annular sleeve block moves in a circle, the sleeve blocks on both sides will move left and right, when the sleeve blocks on both sides move left and right, the sliding rods on both sides will slide left and right in the extension lugs on both sides of the first C-shaped support, then the sliding rods on both sides will drive the second C-shaped support to move left and right, when the second C-shaped support moves left and right, the sliding plate will move left and right in the inside of the sliding support through the L-shaped connecting block, when the sliding support moves left and right, the first circular groove will move left and right, when the first circular groove is in correspondence with the fixed ring on the left side, the left side of the blanking mechanism hooks the blanking, then when the first circular groove is in correspondence with the fixed ring on the right side, the right side of the blanking mechanism blanks, compared with the traditional device, the device can ensure that the catalyst is uniformly dispersed, so that more reactant molecules contact the catalyst in the same time, thereby accelerating the reaction speed, improving the reaction efficiency, making the whole reaction process more stable and uniform, reducing the situation that the local reaction rate is too fast or too slow, and simultaneously realizing that the raw materials can be more accurate.
[0014] 2, the utility model discloses a second motor's output shaft drives transmission rod to start rotating, when transmission rod starts rotating, will drive multiple grid -shaped stirring rod rotation to the catalyst and silicon nitride are stirred and react, simultaneously transmission rod will drive rotary disc to start rotating, then rotary disc rotates and will produce the lift of going up to the catalyst and silicon nitride are taken to the secondary reaction with going up, simultaneously start temperature control device, make temperature conduction device heat, then conduction gives reaction kettle, thereby can increase reaction efficiency, compared with traditional device, this device can break the stratification phenomenon between raw materials, ensure that catalyst can be with the precursor molecule of silicon nitride even contact, thereby improve reaction efficiency, can accelerate the transmission speed of matter in reaction system simultaneously, can control the temperature of heating device to observe the change of reaction rate simultaneously, thereby determine the optimum temperature condition of reaction, to realize the high -efficient, stable reaction process. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the front perspective appearance structure schematic diagram of the utility model;
[0016] Figure 2 It is the blanking groove structure schematic diagram of the utility model;
[0017] Figure 3 It is the first circular groove structure schematic diagram of the utility model;
[0018] Figure 4 It is the L-shaped connecting block structure schematic diagram of the utility model;
[0019] Figure 5 It is the section structure schematic diagram of the utility model;
[0020] Figure 6 It is the stirring structure schematic diagram of the utility model.
[0021] In the drawing: 1, reaction kettle shell; 2, reaction kettle; 3, first motor; 4, first support; 5, first C-shaped support; 6, sliding rod; 7, disc; 8, convex cylinder; 9, sleeve block; 10, annular sleeve block; 11, limit lug; 12, second support; 13, sliding support; 14, sliding plate; 15, communication pipe; 16, fixed ring; 17, blanking groove; 18, first circular groove; 19, L-shaped connecting block; 20, first motor support; 21, second motor; 22, transmission rod; 23, stirring rod; 24, rotary disc; 25, second circular groove; 26, temperature control device; 27, temperature conduction device; 28, conical block; 29, connecting pipe; 30, collection box; 31, discharge pipe; 32, valve; 33, second motor support; 34, fixed support; 35, second C-shaped support. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] As shown in Figures 1 to 6 The utility model provides a kind of reaction device of catalyst and silicon nitride synthesis, including reaction tank shell 1, the top of reaction tank shell 1 is fixedly installed with second motor support 33, the inside of second motor support 33 is fixedly installed with first motor 3, the top of reaction tank shell 1 is fixedly installed with first support 4, the top of first support 4 is fixedly installed with first C-shaped support 5 and the output shaft of first motor 3 penetrates first C-shaped support 5, the end of output shaft of first motor 3 is fixedly installed with disc 7, the front upper side of disc 7 is fixedly installed with convex cylinder 8, sliding rod 6 is slidably installed in the inside of the extension lug of both sides of first C-shaped support 5, the inside of both sleeve blocks 9 is fixedly installed with annular sleeve block 10 and annular sleeve block 10 is movably sleeved on the outer surface of convex cylinder 8, the other side end of sliding rod 6 is fixedly connected with second C-shaped support 35 and the other side end of both sliding rods 6 is fixedly connected with the extension lug of both sides of second C-shaped support 35, the top of reaction tank shell 1 is fixedly installed with second support 12, the top of second support 12 is fixedly installed with sliding support 13, sliding plate 14 is slidably installed in the inside of sliding support 13, first circular groove 18 is formed in the middle of sliding plate 14, second C-shaped support 35 and sliding plate 14 are fixedly connected by L-shaped connecting block 19, reaction tank 2 is fixedly installed in the inside of reaction tank shell 1, fixed ring 16 is fixedly installed on the top of both sides of sliding support 13, and blanking device is fixedly installed on the top of fixed ring 16.
[0024] When the staff needs to react to the catalyst and silicon nitride, the first motor 3 is started at this time, when the first motor 3 starts to drive the output shaft of the first motor 3 to start rotating the disc 7, when the disc 7 starts to rotate, the convex cylinder 8 will drive the annular sleeve block 10 to move in a circle, when the annular sleeve block 10 moves in a circle, the two sides The sleeve block 9 moves left and right, when the two sides of the sleeve block 9 moves left and right, the two sides of the sliding rod 6 will slide left and right in the extension protrusion inside the first C-shaped support 5, then the two sides of the sliding rod 6 will drive the second C-shaped support 35 to move left and right, when the second C-shaped support 35 moves left and right, it will drive the sliding plate 14 to move left and right inside the sliding support 13 through the L-shaped connecting block 19, when the sliding support 13 moves left and right, the first circular groove 18 moves left and right, when the first circular groove 18 and the left side The fixed ring 16 is consistent with the corresponding left side of the discharging mechanism, and after the first circular groove 18 and the right side of the fixed ring 16 are consistent, the right side of the discharging mechanism discharges, so that the reaction can be more accurate and uniform, and the left and right movement range of the sliding plate 14 will only move within the discharging range of the two sides of the fixed ring 16.
[0025] The output shaft of the first motor 3 drives the disc 7 to start rotating, when the disc 7 starts to rotate, the convex cylinder 8 will drive the annular sleeve block 10 to move in a circle, when the annular sleeve block 10 moves in a circle, the two sides The sleeve block 9 moves left and right, when the two sides of the sleeve block 9 moves left and right, the two sides of the sliding rod 6 will slide left and right in the extension protrusion inside the first C-shaped support 5, then the two sides of the sliding rod 6 will drive the second C-shaped support 35 to move left and right, when the second C-shaped support 35 moves left and right, it will drive the sliding plate 14 to move left and right inside the sliding support 13 through the L-shaped connecting block 19, when the sliding support 13 moves left and right, the first circular groove 18 moves left and right, when the first circular groove 18 and the left side The fixed ring 16 is consistent with the corresponding left side of the discharging mechanism, and after the first circular groove 18 and the right side of the fixed ring 16 are consistent, the right side of the discharging mechanism discharges, compared with the traditional device, the device can ensure that the catalyst is uniformly dispersed, so that more reactant molecules can contact with the catalyst at the same time, thereby speeding up the reaction speed, improving the reaction efficiency, making the whole reaction process more stable and uniform, reducing the situation that the local reaction rate is too fast or too slow, and at the same time realizing that the raw materials can be more accurate.
[0026] The upper outer surface of the reaction tank shell 1 is fixedly installed with a first motor support 20, the bottom side of the first motor support 20 is fixedly installed with a second motor 21, and the output shaft of the second motor 21 extends to the inside of the reaction tank 2. The output shaft end of the second motor 21 is fixedly connected with a transmission rod 22, the outer surface of the transmission rod 22 is fixedly installed with a stirring rod 23 in a grid shape, and the bottom side of the transmission rod 22 is fixedly installed with a rotating disc 24. The outer wall of the reaction tank 2 is fixedly sleeved with a temperature conduction device 27 between the reaction tank shell 1 and the reaction tank 2, and the outer surface of the reaction tank shell 1 is fixedly installed with a temperature control device 26, and the end of the temperature conduction device 27 extends to the inside of the temperature control device 26.
[0027] When the second motor 21 is started, the output shaft will drive the transmission rod 22 to start rotating, which will drive the multiple grid-shaped stirring rods 23 to rotate and stir the catalyst and silicon nitride. At the same time, the transmission rod 22 will drive the rotating disc 24 to start rotating, which will generate an upward lift when rotating to bring the catalyst and silicon nitride upward for secondary reaction. At the same time, the temperature control device 26 is started, and the temperature conduction device 27 is heated and then conducted to the reaction tank 2, thereby increasing the reaction efficiency. The temperature control device 26 and the temperature conduction device 27 are the same as the existing technology and heating wire principle.
[0028] When the second motor 21 is started, the output shaft will drive the transmission rod 22 to start rotating, which will drive the multiple grid-shaped stirring rods 23 to rotate and stir the catalyst and silicon nitride. At the same time, the transmission rod 22 will drive the rotating disc 24 to start rotating, which will generate an upward lift when rotating to bring the catalyst and silicon nitride upward for secondary reaction. At the same time, the temperature control device 26 is started, and the temperature conduction device 27 is heated and then conducted to the reaction tank 2, thereby increasing the reaction efficiency. The temperature control device 26 and the temperature conduction device 27 are the same as the existing technology and heating wire principle.
[0029] The top of the fixed ring 16 is fixedly installed with a discharging chute 17, and the bottom left and right sides of the sliding support 13 are fixedly installed with a communication pipe 15 aligned with the opening of the fixed ring 16.
[0030] Two discharging chutes 17 are used to add catalyst on one side and silicon nitride on the other side, and the two communication pipes 15 are aligned with the opening of the fixed ring 16 to facilitate input into the inside of the reaction tank 2.
[0031] The end of the convex cylinder 8 is fixedly installed with a limiting protrusion 11, and the limiting protrusion 11 does not contact the annular sleeve block 10.
[0032] The limiting protrusion 11 does not contact the annular sleeve block 10, so that the annular sleeve block 10 can be effectively limited, and the situation that the annular sleeve block 10 is derailed during long-time circumferential movement is avoided.
[0033] The outer surface of the rotating disc 24 is provided with a second circular groove 25, and the second circular groove 25 is in a circumferential array.
[0034] The second circular groove 25 is in a circumferential array, so that the reaction material can be provided with a lifting force without hindering the falling of the material after the reaction.
[0035] The outer surface of the reaction tank shell 1 is fixedly installed with a fixed support 34, and the support frames on the bottom side of the fixed support 34 are fixedly installed around the fixed support 34 in a circumferential array, and the collecting box 30 is fixedly installed between the two support frames on the bottom side of the fixed support 34.
[0036] The support frames on the bottom side of the fixed support 34 are fixedly installed around the fixed support 34 in a circumferential array, so that the supportability of the entire device can be effectively increased, and the safety of the reaction can be increased.
[0037] The bottom side of the reaction tank 2 is fixedly installed with a conical block 28, the conical block 28 is fixedly connected with a connecting pipe 29, the connecting pipe 29 extends through the reaction tank shell 1 to the inside of the collecting box 30, the bottom side of the collecting box 30 is fixedly connected with a discharge pipe 31 and is in communication with each other, and the valve 32 is screwed in the discharge pipe 31.
[0038] The conical block 28 can facilitate the reaction material to flow into the inside of the collecting box 30 through the connecting pipe 29, so as to be collected, and then when it is needed to be taken out, the valve 32 is rotated to be separated from the discharge pipe 31, and then the physical after the reaction can be smoothly taken out.
[0039] The working principle and use process of the utility model are as follows:
[0040] When the staff needs to react to the catalyst and silicon nitride, at this time the first motor 3 is started, when the first motor 3 is started, the output shaft of the first motor 3 drives the disc 7 to start rotating, when the disc 7 starts rotating, the convex cylinder 8 will drive the annular sleeve block 10 to move in a circle, when the annular sleeve block 10 moves in a circle, the sleeve block 9 on both sides will move left and right, when the sleeve block 9 on both sides moves left and right, the sliding rod 6 on both sides will slide left and right in the extension protrusion on both sides of the first C-shaped support 5, then the second C-shaped support 35 will move left and right, when the second C-shaped support 35 moves left and right, the sliding plate 14 will move left and right in the sliding support 13 through the L-shaped connecting block 19, when the first circular groove 18 moves left and right, the left side of the blanking mechanism hooks down when the first circular groove 18 and the fixed ring 16 on the left side coincide, and the right side of the blanking mechanism hooks down when the first circular groove 18 and the fixed ring 16 on the right side coincide, so that the reaction can be more accurate and uniform, and the left and right movement range of the sliding plate 14 will only move within the range that the two fixed rings 16 can be blanked.
[0041] When the second motor 21 is started, the output shaft will drive the transmission rod 22 to start rotating, when the transmission rod 22 starts rotating, the plurality of grid-shaped stirring rods 23 will rotate to stir the catalyst and silicon nitride, at the same time, the transmission rod 22 will drive the rotating disc 24 to start rotating, then the rotating disc 24 will generate an upward lifting force when rotating to bring the catalyst and silicon nitride upward for secondary reaction, at the same time, the temperature control device 26 is started, so that the temperature conduction device 27 heats, and then conducts to the reaction tank 2, so that the reaction efficiency can be increased, and the temperature control device 26 and the temperature conduction device 27 are the same as the existing technology and the heating wire principle.
[0042] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.
[0043] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A reaction device for synthesizing a catalyst with silicon nitride, comprising a reaction tank shell (1), characterized in that: The top of the reaction tank shell (1) is fixedly installed with a second motor support (33), the inner side of the second motor support (33) is fixedly installed with a first motor (3), the top of the reaction tank shell (1) is fixedly installed with a first support (4), the top of the first support (4) is fixedly installed with a first C-shaped support (5) and the output shaft of the first motor (3) penetrates the first C-shaped support (5), the end of the output shaft of the first motor (3) is fixedly installed with a disc (7), the front upper side of the disc (7) is fixedly installed with a convex cylinder (8), the inner side of the extension lugs on both sides of the first C-shaped support (5) is slidably installed with a sliding rod (6), the one side end of the sliding rod (6) is fixedly installed with a sleeve block (9), the inner side of the two sleeve blocks (9) is fixedly installed with an annular sleeve block (10) and the annular sleeve block (10) is movably sleeved on the outer surface of the convex cylinder (8), the other side end of the sliding rod (6) is fixedly connected with a second C-shaped support (35) and the other side end of the two sliding rods (6) is fixedly connected with the extension lugs on both sides of the second C-shaped support (35), the top of the reaction tank shell (1) is fixedly installed with a second support (12), the top of the second support (12) is fixedly installed with a sliding support (13), the inside of the sliding support (13) is slidably installed with a sliding plate (14), the middle part of the sliding plate (14) is provided with a first circular groove (18), the second C-shaped support (35) and the sliding plate (14) are fixedly connected through an L-shaped connecting block (19), the inside of the reaction tank shell (1) is fixedly installed with a reaction tank (2), the top of the sliding support (13) is fixedly installed with a fixed ring (16) on the left and right sides, and the top of the fixed ring (16) is fixedly installed with a discharging device.
2. The reaction device for synthesizing a catalyst and silicon nitride according to claim 1, characterized by: The upper surface of the reaction tank shell (1) is fixedly installed with a first motor support (20) in the middle, the bottom side of the first motor support (20) is fixedly installed with a second motor (21), and the output shaft of the second motor (21) extends to the inner side of the reaction tank (2), the end of the output shaft of the second motor (21) is fixedly connected with a transmission rod (22), the outer surface of the transmission rod (22) is fixedly installed with a stirring rod (23) and the stirring rod (23) is in a grid shape, the bottom side of the transmission rod (22) is fixedly installed with a rotating disc (24), the outer wall of the reaction tank (2) is fixedly sleeved with a temperature conduction device (27) and is located between the reaction tank shell (1) and the reaction tank (2), the outer surface of the reaction tank shell (1) is fixedly installed with a temperature control device (26) and the end of the temperature conduction device (27) extends to the inside of the temperature control device (26).
3. The reaction device for synthesizing a catalyst and silicon nitride according to claim 1, characterized by: The top of the fixed ring (16) is fixedly installed with a discharging groove (17), the bottom of the sliding support (13) is fixedly installed with a communication pipe (15) on the left and right sides and the communication pipe (15) is aligned with the opening of the fixed ring (16).
4. The reaction device for synthesizing a catalyst and silicon nitride according to claim 1, characterized by: The end of the convex cylinder (8) is fixedly installed with a limiting lug (11) and the limiting lug (11) does not contact the annular sleeve block (10).
5. The reaction device for synthesizing a catalyst and silicon nitride according to claim 2, characterized by: The outer surface of the rotating disc (24) is provided with a second circular groove (25), and the second circular groove (25) is in a circumferential array.
6. The reaction device for synthesizing a catalyst and silicon nitride according to claim 1, characterized by: The outer surface of the reaction tank shell (1) is fixedly provided with a fixed support (34), and the bottom side of the fixed support (34) is fixedly provided with support frames in a circumferential array around the fixed support (34), and the two support frames on the bottom side of the fixed support (34) are fixedly provided with a collecting box (30).
7. The reaction device for synthesizing a catalyst and silicon nitride according to claim 1, characterized by: The bottom side of the reaction tank (2) is fixedly provided with a conical block (28), the bottom side of the conical block (28) is fixedly connected with a connecting pipe (29), the connecting pipe (29) extends through the reaction tank shell (1) and extends to the inside of the collecting box (30), the bottom side of the collecting box (30) is fixedly connected with a discharge pipe (31) and is in communication with each other, and the inside of the discharge pipe (31) is threadedly connected with a valve (32).