Purification device for silicon carbide micro powder production

Abstract

The utility model relates to the technical field of silicon carbide micro powder production, and provides a purification device for silicon carbide micro powder production, which comprises a mixing bin and a 7-shaped conveying pipe, a discharge port is arranged at the bottom end of the mixing bin, a top cover is connected to the top end of the mixing bin through bolts, a feed port is arranged on the top cover, and a sealing piece is in threaded connection with the top end of the feed port. A suction pump is installed at the top end of the top cover, the air inlet end of the suction pump penetrates through the top cover to be connected into the mixing bin, a through hole is formed in the position, close to the bottom end, of the mixing bin, one end of a 7-shaped conveying pipe is connected to the through hole, the other end of the 7-shaped conveying pipe is fixedly connected with a storage barrel, a rubber plug is arranged at an opening of the storage barrel, and a motor is installed at the top end of the top cover. The output end of the motor penetrates through the top cover to be connected with a square rod, a reciprocating threaded rod is arranged on the square rod, and a stirring rod is arranged at the bottom end of the reciprocating threaded rod, so that the injected dispersing agent is completely injected into the liquid, and the purpose of avoiding resource waste is achieved.

Description

Technical Field

[0001] This utility model relates to the field of silicon carbide micro powder production technology, specifically, to a purification device for silicon carbide micro powder production. Background Technology

[0002] Because of its fine particle size, silicon carbide micro powder is very prone to agglomeration. During the purification process, silicon carbide and amorphous carbon particles need to be separated by a dispersant and mixed using a stirring device.

[0003] According to a search, a Chinese patent publication number CN217555820U, published on October 11, 2022, describes a device for purifying ultrafine silicon carbide micro powder. The device is roughly described as follows: it includes a mixing chamber, an installation plate fixed to one side inside the mixing chamber, a rectangular sleeve rotatably mounted on the installation plate, a rectangular slide tube slidably arranged inside the rectangular sleeve, a telescopic mechanism arranged on the outside of the rectangular slide tube, a through pipe installed at the bottom of the rectangular slide tube, an opening at the bottom of the through pipe, and a liquid filling port on one side of the top of the mixing chamber.

[0004] Although the aforementioned existing technical solution allows the dispersant to be directly discharged from the port into the liquid during the addition process, thereby increasing the dispersant mixing rate, the device leaves dispersant inside the slide tube at the same level as the liquid level in the mixing chamber, which prevents the injected dispersant from being completely injected into the liquid, resulting in a waste of resources. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a purification device for silicon carbide micro powder production, thereby solving the problem mentioned in the background technology that the injected dispersant cannot be completely injected into the liquid, resulting in resource waste.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a purification device for silicon carbide micro powder production, comprising a mixing chamber and a 7-shaped conveying pipe. The bottom end of the mixing chamber is provided with a discharge port, and the top end of the mixing chamber is bolted to a top cover. The top cover is provided with a feed port, and the top end of the feed port is threadedly connected to a sealing element. An air suction pump is installed at the top end of the top cover, and the air inlet of the air suction pump passes through the top cover and connects to the interior of the mixing chamber. A through hole is opened near the bottom end of the mixing chamber. One end of the 7-shaped conveying pipe is connected to the through hole, and the other end of the 7-shaped conveying pipe is fixedly connected to a storage bucket. A rubber stopper is provided at the opening of the storage bucket. A motor is installed at the top end of the top cover, and the output end of the motor passes through the top cover and is connected to a square rod. A reciprocating threaded rod is provided on the square rod, and a stirring rod is provided at the bottom end of the reciprocating threaded rod.

[0009] By adopting the above technical solution, liquid is injected into the mixing chamber through the inlet, and then the sealing part is rotatably connected to the inlet. The motor is started to drive the square rod, reciprocating threaded rod and stirring rod to rotate, thereby stirring the liquid. The rubber stopper is opened and the dispersant is injected into the storage tank. At this time, the suction pump is started to drive the air in the mixing chamber to expel it, thereby reducing the air pressure in the mixing chamber. Under the action of air pressure, the dispersant in the storage tank is sucked into the mixing chamber through the 7-shaped conveying pipe, thereby sucking the remaining liquid in the storage tank and the 7-shaped conveying pipe into the mixing chamber, thus injecting the dispersant into the middle part of the liquid. At this time, the rubber stopper is inserted into the storage tank to maintain the air pressure in the 7-shaped conveying pipe and prevent the liquid from flowing back into the 7-shaped conveying pipe. Then the suction pump can be turned off, thereby ensuring that the injected dispersant is completely injected into the liquid, achieving the purpose of avoiding resource waste.

[0010] Optionally, a square groove is provided at the top of the reciprocating threaded rod, and the square rod is slidably connected to the square groove. Two connecting rods are fixedly connected to the bottom of the top cover, and control components that are threadedly connected to the reciprocating threaded rod are fixedly connected to the bottom of the two connecting rods.

[0011] By adopting the above technical solution, the starting motor drives the square rod to rotate. The square rod cooperates with the square groove, which drives the reciprocating threaded rod to rotate. The reciprocating threaded rod cooperates with the control component, causing the reciprocating threaded rod to rotate while moving up and down, thereby enabling the stirring rod to stir the liquid at different heights.

[0012] Optionally, the mixing chamber is provided with a transparent observation window.

[0013] By adopting the above technical solution, the transparent observation window is used to facilitate personnel to observe the interior of the mixing chamber, thereby facilitating the observation of the purification process and the control of the equipment.

[0014] Optionally, a sealing gasket is fixedly connected to the bottom end of the top cover, and the bottom end of the sealing gasket is in close contact with the mixing chamber.

[0015] By adopting the above technical solution, the sealing gasket is used to improve the sealing between the top cover and the mixing chamber, thereby preventing air leakage and facilitating the air pump to adjust the air pressure in the mixing chamber.

[0016] Optionally, a pressure sensor is installed at the bottom of the top cover, and a controller is provided on the air pump, which is electrically connected to the pressure sensor.

[0017] By adopting the above technical solution, when the pressure sensor detects that the pressure in the mixing chamber is lower than the specified pressure value, the pressure sensor sends a signal to the controller, which then controls the suction pump to stop running, thereby avoiding overload and damage to the suction pump.

[0018] (III) Beneficial Effects

[0019] In summary, this utility model has at least one of the following beneficial technical effects:

[0020] This purification device for silicon carbide micro powder production injects liquid into a mixing chamber through the inlet. A sealing component is then rotatably connected to the inlet. A motor is started, driving a square rod, a reciprocating threaded rod, and a stirring rod to rotate, thus agitating the liquid. The rubber stopper is opened, and the dispersant is injected into a storage tank. At this point, an air pump is activated to expel air from the mixing chamber, reducing the air pressure. Under this air pressure, the dispersant in the storage tank is drawn into the mixing chamber through a 7-shaped conveying pipe. This process draws the remaining liquid from the storage tank and the 7-shaped conveying pipe into the mixing chamber, injecting the dispersant into the middle of the liquid. The rubber stopper is then inserted into the storage tank to maintain the air pressure in the 7-shaped conveying pipe, preventing liquid backflow. The air pump can then be turned off, ensuring that the injected dispersant is completely absorbed into the liquid, thus avoiding resource waste. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the first side view of the present invention;

[0022] Figure 2 This is a first cross-sectional view of the present invention.

[0023] Figure 3 This utility model Figure 2 A magnified view of the structure at point A in the middle;

[0024] Figure 4 This utility model Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0025] In the diagram: 1. Mixing chamber; 2. 7-shaped conveying pipe; 3. Discharge port; 4. Top cover; 5. Inlet; 6. Air pump; 7. Storage hopper; 8. Rubber stopper; 9. Motor; 10. Square rod; 11. Reciprocating threaded rod; 12. Stirring rod; 13. Connecting rod; 14. Control component; 15. Transparent observation window; 16. Sealing component; 17. Sealing gasket; 18. Air pressure sensor; 19. Controller. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] The present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Reference Figures 1-4 A purification device for silicon carbide micro powder production includes a mixing chamber 1 and a 7-shaped conveying pipe 2. The bottom of the mixing chamber 1 has a discharge port 3, and the top of the mixing chamber 1 is bolted to a top cover 4. The top cover 4 has a feed inlet 5, and the top of the feed inlet 5 is threadedly connected to a sealing element 16. An air suction pump 6 is installed at the top of the top cover 4, with its air inlet penetrating the top cover 4 and connecting to the interior of the mixing chamber 1. A through hole is opened near the bottom of the mixing chamber 1, and one end of the 7-shaped conveying pipe 2 is connected to the through hole. The other end of the 7-shaped conveying pipe 2 is fixedly connected to a storage tank 7, with a rubber stopper 8 at the opening of the storage tank 7. A motor 9 is installed at the top of the top cover 4, and the output end of the motor 9 penetrates the top cover 4 and is connected to a square rod 10. A reciprocating threaded rod 11 is provided on the square rod 10, and a stirring rod 12 is provided at the bottom of the reciprocating threaded rod 11. Liquid is injected into the mixing chamber from the feed inlet 5. 1. Next, the sealing part 16 is rotated and connected to the feed port 5. The motor 9 is started to drive the square rod 10, the reciprocating threaded rod 11 and the stirring rod 12 to rotate, thereby stirring the liquid. The rubber stopper 8 is opened and the dispersant is injected into the storage tank 7. At this time, the suction pump 6 is started to drive the air in the mixing chamber 1 to be discharged, thereby reducing the air pressure in the mixing chamber 1. Under the action of air pressure, the dispersant in the storage tank 7 is sucked into the mixing chamber 1 through the 7-shaped conveying pipe 2, thereby sucking the remaining liquid in the storage tank 7 and the 7-shaped conveying pipe 2 into the mixing chamber 1, thereby injecting the dispersant into the middle part of the liquid. At this time, the rubber stopper 8 is inserted into the storage tank 7 to maintain the air pressure in the 7-shaped conveying pipe 2 and prevent the liquid from flowing back into the 7-shaped conveying pipe 2. Then the suction pump 6 can be turned off, thereby ensuring that the injected dispersant is completely injected into the liquid, thereby avoiding the purpose of resource waste.

[0029] Reference Figure 2 and Figure 3 The top of the reciprocating threaded rod 11 has a square groove, and the square rod 10 is slidably connected to the square groove. The bottom of the top cover 4 is fixedly connected to two connecting rods 13. The bottom of the two connecting rods 13 is fixedly connected to a control component 14 that is threadedly connected to the reciprocating threaded rod 11. When the motor 9 is started, it drives the square rod 10 to rotate. The square rod 10 cooperates with the square groove, driving the reciprocating threaded rod 11 to rotate. This allows the reciprocating threaded rod 11 to cooperate with the control component 14, driving the reciprocating threaded rod 11 to rotate while moving up and down. This allows the stirring rod 12 to stir the liquid at different heights.

[0030] Reference Figure 1The mixing chamber 1 is equipped with a transparent observation window 15, which is used to facilitate personnel to observe the interior of the mixing chamber 1, thereby facilitating the observation of the purification process and the control of the equipment.

[0031] Reference Figure 2 and Figure 3 A sealing gasket 17 is fixedly connected to the bottom of the top cover 4. The bottom of the sealing gasket 17 is in close contact with the mixing chamber 1. The sealing gasket 17 is used to improve the sealing between the top cover 4 and the mixing chamber 1, thereby preventing air leakage and facilitating the air pump 6 to adjust the air pressure in the mixing chamber 1.

[0032] Reference Figure 2 and Figure 3 A pressure sensor 18 is installed at the bottom of the top cover 4. A controller 19 is provided on the air pump 6. The controller 19 is electrically connected to the pressure sensor 18. When the pressure sensor 18 senses that the air pressure in the mixing chamber 1 is lower than the specified air pressure value, the pressure sensor 18 sends a signal to the controller 19, so that the controller 19 controls the air pump 6 to stop running, thereby avoiding overload and damage to the air pump 6.

[0033] In summary, the working principle and process of this purification device for silicon carbide micro powder production are as follows: First, liquid is injected into the mixing chamber 1 through the inlet 5. Then, the sealing member 16 is rotatably connected to the inlet 5. The motor 9 is started, driving the square rod 10, the reciprocating threaded rod 11, and the stirring rod 12 to rotate, thereby stirring the liquid. The rubber stopper 8 is opened, and the dispersant is injected into the storage tank 7. At this time, the suction pump 6 is started to expel air from the mixing chamber 1, thereby reducing the air pressure in the mixing chamber 1. Under the action of air pressure, the dispersant in the storage tank 7 is drawn into the mixing chamber 1 through the 7-shaped conveying pipe 2, thus drawing the remaining liquid in the storage tank 7 and the 7-shaped conveying pipe 2 into the mixing chamber 1, injecting the dispersant into the middle part of the liquid. At this time, the rubber stopper 8 is inserted into the storage tank 7 to maintain the air pressure in the 7-shaped conveying pipe 2 and prevent liquid from flowing back into the 7-shaped conveying pipe 2. Then, the suction pump 6 can be turned off, thus ensuring the injected dispersant... The agent is completely injected into the liquid to avoid resource waste. The motor 9 is started to drive the square rod 10 to rotate. The square rod 10 cooperates with the square groove to drive the reciprocating threaded rod 11 to rotate. The reciprocating threaded rod 11 cooperates with the control component 14 to drive the reciprocating threaded rod 11 to rotate and move up and down at the same time. This allows the stirring rod 12 to stir the liquid at different heights. The transparent observation window 15 is used to facilitate personnel to observe the inside of the mixing chamber 1, so as to facilitate the observation of the purification process and the control of the equipment. The sealing gasket 17 is used to improve the sealing between the top cover 4 and the mixing chamber 1 to prevent air leakage and facilitate the air pump 6 to adjust the air pressure in the mixing chamber 1. When the air pressure sensor 18 senses that the air pressure in the mixing chamber 1 is lower than the specified air pressure value, the air pressure sensor 18 sends a signal to the controller 19, so that the controller 19 controls the air pump 6 to stop running, so as to prevent the air pump 6 from being overloaded and damaged.

[0034] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A purification device for producing silicon carbide micro powder, comprising a mixing bin (1), characterized in that: The utility model provides a mixing bin, it includes 7 shape feed pipe (2), the bottom end of mixing bin (1) is equipped with discharge gate (3), the top end of mixing bin (1) is connected with top cover (4) by bolt, top cover (4) is equipped with feed inlet (5), the top end of feed inlet (5) is connected with sealing element (16) in screw thread, the top end of top cover (4) is installed suction pump (6), and the suction end of suction pump (6) is connected to the inside of mixing bin (1) through top cover (4), the mixing bin (1) is opened in the position close to the bottom end and is equipped with through -hole, one end of 7 shape feed pipe (2) is connected on through -hole, and the other end of 7 shape feed pipe (2) is fixedly connected with store material bucket (7), and the opening of store material bucket (7) is equipped with rubber plug head (8), and the top end of top cover (4) is installed motor (9), and the output of motor (9) is connected with square rod (10) through top cover (4), and square rod (10) is equipped with reciprocating screw rod (11), and the bottom end of reciprocating screw rod (11) is equipped with stirring rod (12).

2. The purification device for producing silicon carbide micropowder according to claim 1, characterized by: The top end of reciprocating screw rod (11) is opened in square groove, the square rod (10) is connected with square groove slidingly, the bottom end of top cover (4) is fixedly connected with two connecting rods (13), and the bottom end of two connecting rods (13) is fixedly connected with control element (14) and is connected with reciprocating screw rod (11) in screw thread.

3. The purifying device for producing silicon carbide micro-powder according to claim 1, characterized in that: The mixing bin (1) is equipped with transparent observation window (15).

4. The purifying device for producing silicon carbide micro-powder according to claim 1, characterized in that: The bottom end of top cover (4) is fixedly connected with sealing washer (17), and the bottom end of sealing washer (17) is close to mixing bin (1).

5. The purifying device for producing silicon carbide micro-powder according to claim 1, characterized in that: The bottom end of top cover (4) is installed air pressure sensor (18), and the suction pump (6) is equipped with controller (19), and controller (19) is electrically connected with air pressure sensor (18).

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