Coal-based ultra-high purity carbon preparation raw material mixing device

Abstract

The application discloses a coal-based ultra-high-purity carbon preparation raw material mixing device, and belongs to the field of coal-based ultra-high-purity carbon preparation. The coal-based ultra-high-purity carbon preparation raw material mixing device comprises a stirring tank, a tank cover is covered on the top end of the stirring tank through a locking assembly, a stirring paddle is rotationally connected to the inner bottom end of the stirring tank, a motor is fixedly installed at the bottom end of the stirring tank and connected with the stirring paddle, an ultrasonic disperser is arranged on the side surface of the stirring paddle in the stirring tank and fixedly connected with the stirring tank, and a main material connecting pipe for connecting a coal-based raw material feeding pipe is arranged at the central position of the tank cover. The coal-based ultra-high-purity carbon preparation raw material mixing device can solve the agglomeration problem of nanoscale carbon materials through cavitation effect to destroy intermolecular forces, and can further improve uniformity through the synergistic effect of mechanical stirring and ultrasonic dispersion, so that the consistency of raw materials for coal-based ultra-high-purity carbon preparation is ensured, and the problem of unstable material performance is solved.

Description

Technical Field

[0001] This application relates to the field of coal-based ultra-high purity carbon preparation technology, specifically a coal-based ultra-high purity carbon preparation raw material mixing device. Background Technology

[0002] The preparation of coal-based ultra-high purity carbon (such as high-purity graphite, isostatic graphite, and carbon fiber precursors used in semiconductors, photovoltaics, and the nuclear industry) requires extremely stringent requirements for the uniformity and purity of raw material mixing. The raw material mixing device is a critical link in the preparation process, and its design and operation must meet a series of necessary conditions and be equipped with corresponding mechanisms to ensure the performance and quality of the final product.

[0003] Ordinary mixing equipment achieves a mixing uniformity of only 70%-80%, leading to unstable material properties and easy agglomeration of nanoscale carbon materials. Traditional mechanical dispersion methods cannot fundamentally solve the agglomeration problem caused by intermolecular forces, thus the mixing quality is difficult to meet the raw material mixing effect required for the preparation of ultra-high purity carbon.

[0004] Therefore, this application provides a coal-based ultra-high purity carbon preparation raw material mixing device to solve the above problems. Utility Model Content

[0005] This application provides a raw material mixing device for preparing coal-based ultra-high purity carbon, which aims to solve the problem mentioned in the background art that the mixing effect of existing ordinary mixing equipment is difficult to meet the raw material mixing effect required for the preparation of ultra-high purity carbon.

[0006] To achieve the above objectives, this application provides the following technical solution: a coal-based ultra-high purity carbon preparation raw material mixing device, including a mixing tank, the top of the mixing tank is covered with a tank cover by a locking component, a stirring paddle is rotatably connected to the bottom of the mixing tank, a motor with an output shaft connected to the stirring paddle is fixedly installed at the bottom of the mixing tank, and an ultrasonic disperser is provided inside the mixing tank on the side of the stirring paddle and fixedly connected to the mixing tank.

[0007] The tank cover has a main feed pipe at its center for connecting to the coal-based raw material feed pipe. The tank cover also has a first auxiliary feed pipe and a second auxiliary feed pipe for adding different auxiliary materials. Both the first and second auxiliary feed pipes are connected to a first feed valve and a second feed valve respectively via clamps. A gas supply pipe for inputting inert gas is fixedly installed on the side of the mixing tank, and an exhaust pipe for discharging inert gas is fixedly installed on the tank cover. A pressure gauge for detecting the gas pressure inside the mixing tank is also fixedly installed on the tank cover. In this way, ultrasonic dispersion addresses the agglomeration problem of nanoscale carbon materials by disrupting intermolecular forces through cavitation. The synergistic effect of mechanical stirring and ultrasonic dispersion further improves uniformity, ensuring the consistency of raw materials for preparing coal-based ultra-high purity carbon and solving the problem of unstable material performance.

[0008] Preferably, the bottom of the mixing tank is provided with a discharge pipe located on the side of the motor, and a discharge valve is connected to the discharge pipe in a chuck-type manner.

[0009] Preferably, the locking assembly includes a bolt hinged to the edge of the top of the mixing tank and a locking cap screwed to the movable end of the bolt for pushing the tank cover closer to the mixing tank by contacting the top surface of the tank cover. The locking assembly is provided in six sets and distributed in a circular array at the top of the mixing tank.

[0010] Preferably, a handle is fixedly connected to the side of the lock cap.

[0011] Preferably, the vibrating head of the ultrasonic disperser is fixedly installed on the inner wall of the mixing tank, and the ultrasonic disperser is connected to an external ultrasonic generator.

[0012] Preferably, the bottom of the mixing tank is fixedly connected to at least three support legs arranged in a circular array.

[0013] This coal-based ultra-high purity carbon preparation raw material mixing device uses ultrasonic dispersion to address the agglomeration problem of nanoscale carbon materials. It breaks down intermolecular forces through cavitation effect, and then further improves uniformity through the synergistic effect of mechanical stirring and ultrasonic dispersion, ensuring the consistency of raw materials for coal-based ultra-high purity carbon preparation and solving the problem of unstable material performance.

[0014] This coal-based ultra-high purity carbon preparation raw material mixing device features inert gas protection to prevent raw material oxidation or the introduction of impurities, meeting the stringent requirements for raw material purity in coal-based ultra-high purity carbon production. A pressure gauge monitors the gas pressure inside the tank in real time to avoid the risk of overpressure. A locking component ensures the tank lid is sealed to prevent leakage and guarantee production safety.

[0015] This coal-based ultra-high purity carbon preparation raw material mixing device, with multiple auxiliary material pipes and feed valves, can precisely control the addition amount of different auxiliary materials and adapt to complex formulation requirements. Attached Figure Description

[0016] Figure 1 A schematic diagram of a raw material mixing device for preparing coal-based ultra-high purity carbon; Figure 2 This is a schematic diagram of the internal structure of a coal-based ultra-high purity carbon preparation raw material mixing device. Figure 3 for Figure 1 Enlarged structural diagram at point A in the middle.

[0017] In the picture: 1. Mixing tank; 11. Gas supply pipe; 12. Discharge pipe; 121. Discharge valve; 2. Tank lid; 21. Main feed connecting pipe; 22. First auxiliary feed pipe; 221. First feed valve; 23. Second auxiliary feed pipe; 231. Second feed valve; 24. Exhaust pipe; 25. Pressure gauge; 3. Locking assembly; 31. Bolt; 32. Lock cap; 321. Handle; 4. Agitator; 5. Motor; 6. Ultrasonic disperser. Detailed Implementation

[0018] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0019] This embodiment provides a raw material mixing device for preparing coal-based ultra-high purity carbon, such as... Figures 1-3 As shown, the coal-based ultra-high purity carbon preparation raw material mixing device includes a mixing tank 1. The top of the mixing tank 1 is covered with a tank cover 2 by a locking component 3. The bottom of the mixing tank 1 is rotatably connected to a stirring paddle 4. The bottom of the mixing tank 1 is fixedly installed with a motor 5 whose output shaft is connected to the stirring paddle 4. An ultrasonic disperser 6 is fixedly connected to the mixing tank 1 and located on the side of the stirring paddle 4 inside the mixing tank 1.

[0020] The tank cover 2 has a main material connecting pipe 21 for connecting to the coal-based raw material feeding pipe at the center position. The tank cover 2 also has a first auxiliary material pipe 22 and a second auxiliary material pipe 23 for adding different auxiliary materials. The first auxiliary material pipe 22 and the second auxiliary material pipe 23 are respectively connected to a first feed valve 221 and a second feed valve 231 by clamps. A gas supply pipe 11 for inputting inert gas is fixedly installed on the side of the mixing tank 1. An exhaust pipe 24 for discharging inert gas is fixedly installed on the tank cover 2. A pressure gauge 25 for detecting the gas pressure inside the mixing tank 1 is fixedly installed on the tank cover 2.

[0021] In use, the tank lid 2 is sealed and locked to the mixing tank 1 by locking component 3 to ensure the tank is airtight; the gas supply pipe 11 is opened to introduce inert gas into the tank, and the exhaust pipe 24 is opened at the same time to continuously replace the air in the tank until the pressure gauge 25 shows that the gas pressure in the tank is stable, and then the exhaust pipe 24 is closed; the main material (coal-based raw material) is input into the mixing tank 1 through the main material connecting pipe 21. According to the formula requirements, the first feed valve 221 and the second feed valve 231 are opened respectively, and the auxiliary materials (such as catalysts, binders, etc.) are added into the tank in proportion through the first auxiliary material pipe 22 and the second auxiliary material pipe 23; the motor 5 is started, and the stirring paddle 4 rotates to perform mechanical stirring, initially mixing the main material and auxiliary materials. At the same time, the ultrasonic disperser 6 is turned on to deeply disperse the mixture by utilizing the cavitation effect of ultrasound, focusing on solving the agglomeration problem of nano-sized carbon materials; after the mixing reaches the set time, the motor 5 and the ultrasonic disperser 6 are turned off, and finally the material is discharged.

[0022] Specifically, the bottom of the mixing tank 1 is located on one side of the motor 5 and has a discharge pipe 12, with a discharge valve 121 connected to the discharge pipe 12 by a chuck. The bottom discharge design utilizes the material's own weight, combined with the auxiliary push of the stirring paddle 4, to completely discharge the material in the tank, avoiding residue. Residual material is easily oxidized or mixed into the next batch, affecting the purity of ultra-high purity carbon. Thorough discharge is the key to ensuring purity. The chuck connection does not require complicated tools and the discharge valve 121 can be quickly disassembled, facilitating the cleaning of the inside of the discharge pipe.

[0023] Specifically, the locking assembly 3 includes a bolt 31 hinged to the top edge of the mixing tank 1 and a locking cap 32 screwed to the movable end of the bolt 31 for pushing the tank cover 2 closer to the mixing tank 1 by contacting the top surface of the tank cover 2. The locking assembly 3 is provided in six sets and arranged in a circular array at the top of the mixing tank 1. The locking cap 32 is fixedly connected to a handle 321 on its side. By using the handle 321 to apply force to rotate the locking cap 32 so that its bottom surface contacts the top surface of the tank cover 2, and continuing to rotate the locking cap 32 will push the tank cover 2 downward until it is tightly fitted with the flange surface at the top of the mixing tank 1 to form a seal. The six sets of locking assemblies are arranged in a circular array, and the uniform seal can prevent gas leakage or external air infiltration, ensuring the stability of the inert environment.

[0024] It should be noted that the vibrating head of the ultrasonic disperser 6 is fixedly installed on the inner wall of the mixing tank 1, and the ultrasonic disperser 6 is connected to an external ultrasonic generator; ensure that the ultrasonic disperser 6 operates normally.

[0025] It should be added that at least three support legs arranged in a circular array are fixedly connected to the bottom of the mixing tank 1; the weight of the entire device is supported by the contact between the support legs and the ground. When the materials in the mixing tank 1 are mixed, the force generated by the rotation of the mixing paddle 4 and the vibration of the ultrasonic disperser 6 is transmitted to the ground through the support legs, which also provide clearance for the motor 5 and the discharge valve 121.

[0026] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. A coal-based ultra-high purity carbon preparation raw material mixing device, comprising a stirring tank (1), characterized in that: The top of the mixing tank (1) is covered with a lid (2) by a locking component (3). The bottom of the mixing tank (1) is rotatably connected to a stirring paddle (4). The bottom of the mixing tank (1) is fixedly installed with a motor (5) whose output shaft is connected to the stirring paddle (4). An ultrasonic disperser (6) is fixedly connected to the mixing tank (1) and located on the side of the stirring paddle (4). The tank cover (2) has a main material connecting pipe (21) for connecting to the coal-based raw material feeding pipe at the center position. The tank cover (2) also has a first auxiliary material pipe (22) and a second auxiliary material pipe (23) for adding different auxiliary materials. The first auxiliary material pipe (22) and the second auxiliary material pipe (23) are respectively connected to a first feed valve (221) and a second feed valve (231) by clamps. The mixing tank (1) is fixedly provided with a gas supply pipe (11) for inputting inert gas on the side. The tank cover (2) is fixedly provided with an exhaust pipe (24) for discharging inert gas. The tank cover (2) is fixedly installed with a pressure gauge (25) for detecting the gas pressure inside the mixing tank (1).

2. The coal-based ultra-high purity carbon preparation raw material mixing device according to claim 1, characterized in that: The bottom of the mixing tank (1) is located on one side of the motor (5) and has a discharge pipe (12), and a discharge valve (121) is connected to the discharge pipe (12) in a chuck-type manner.

3. The coal-based ultra-high purity carbon preparation raw material mixing device according to claim 2, characterized in that: The locking assembly (3) includes a bolt (31) hinged to the top edge of the mixing tank (1) and a locking cap (32) screwed to the movable end of the bolt (31) for pushing the tank cover (2) closer to the mixing tank (1) by contacting the top surface of the tank cover (2). The locking assembly (3) is provided in six sets and arranged in a ring array at the top of the mixing tank (1).

4. The coal-based ultra-high purity carbon preparation raw material mixing device according to claim 3, characterized in that: A handle (321) is fixedly connected to the side of the lock cap (32).

5. The coal-based ultra-high purity carbon preparation raw material mixing device according to claim 4, characterized in that: The vibrating head of the ultrasonic disperser (6) is fixedly installed on the inner wall of the mixing tank (1), and the ultrasonic disperser (6) is connected to an external ultrasonic generator.

6. The coal-based ultra-high purity carbon preparation raw material mixing device according to claim 5, characterized in that: The bottom of the mixing tank (1) is fixedly connected to at least three legs arranged in a ring array.

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