A ball mill for mixing mxene with metal powder

Abstract

A ball mill for mixing MXene and metal powder belongs to the technical field of powder material mixing. The utility model solves the problems that the existing MXene powder is easy to be oxidized when mixed with metal powder in large quantities, and there is also a problem of stratification in the mixing. The high-frequency vibration module is arranged at the bottom of the ball mill jar, the power system is connected to the ball mill jar, the ball mill jar is driven to rotate through the power system, the inert gas input pipeline is arranged at the top of the ball mill jar and is fixedly connected with the ball mill jar, the inlet of the inert gas input pipeline is connected with the external inert gas source, the pressure sensor is arranged at the top of the ball mill jar, and the pressure sensor is in communication connection with the control module. The utility model enhances the mixing efficiency and reaction uniformity through the high-frequency vibration module, can maintain a high-purity inert atmosphere environment through the inert atmosphere protection system, effectively inhibits the oxidation and degradation of MXene material, and significantly improves the stability and quality of the product.

Description

Technical Field

[0001] This utility model relates to the field of powder material mixing technology, and in particular to a ball mill for mixing MXene and metal powder. Background Technology

[0002] MXene, a novel two-dimensional transition metal carbide / nitride material, has wide applications in energy storage, electromagnetic shielding, catalysis, and conductive composite materials due to its excellent conductivity, electrochemical activity, and tunable surface properties. However, MXene powder is easily oxidized when mixed in large quantities with metal powders, especially nickel powder, and the density difference between MXene and metal powders also leads to stratification during mixing. Utility Model Content

[0003] The present invention aims to solve the above-mentioned problems and provides a ball mill for mixing MXene and metal powder.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a ball mill for mixing MXene and metal powder, including a ball mill jar, a high-frequency vibration module, a cooling system, a power system, and an inert atmosphere protection system. The high-frequency vibration module is located at the bottom of the ball mill jar. The power system is connected to the ball mill jar and drives the ball mill jar to rotate. The cooling system includes a coolant, a cooling channel, and multiple temperature sensors. The cooling channel is spirally arranged around the outside of the ball mill jar, and the coolant flows along the spiral path of the cooling channel. The multiple temperature sensors are spaced apart circumferentially around the ball mill jar and are fixedly connected to the jar body. The inert atmosphere protection system includes an inert gas input pipe, a pressure sensor, and a control module. The inert gas input pipe passes through the top of the ball mill jar and is fixedly connected to the ball mill jar. The inlet of the inert gas input pipe is connected to an external inert gas source. The pressure sensor is located at the top of the ball mill jar and is communicatively connected to the control module.

[0005] Furthermore, the cooling system also includes an external circulation module, with the inlet end of the cooling channel connected to the outlet end of the external circulation module, and the outlet end of the cooling channel connected to the inlet end of the external circulation module.

[0006] Furthermore, the cooling system also includes a temperature control module, which is communicatively connected to the temperature sensor.

[0007] Furthermore, the inert atmosphere protection system also includes a pressure gauge, which is installed on the inert gas input pipeline.

[0008] Furthermore, a regulating valve is installed at the inlet of the inert gas input pipeline.

[0009] Furthermore, the cooling channel is formed by welding a metal tube body and an outer sleeve, and a closed interlayer is formed between the metal tube body and the outer sleeve.

[0010] Furthermore, the power system includes a motor, a reducer, and a drive shaft. The output shaft of the motor is drivenly connected to the input shaft of the reducer, the output shaft of the reducer is drivenly connected to one end of the drive shaft, and the other end of the drive shaft is fixedly connected to the center of the bottom surface of the ball mill jar.

[0011] Furthermore, an elastic element is provided between the high-frequency vibration module and the ball mill jar.

[0012] Furthermore, the bottom of the grinding jar is provided with a flange, and the drive shaft is fixedly connected to the bottom of the grinding jar through the flange.

[0013] Compared with the prior art, the present invention has the following advantages: This invention achieves precise temperature control during ball milling through a cooling system. By setting up an efficient cooling channel and a fast-response temperature sensor, the ball milling temperature can be monitored and adjusted in real time, preventing MXene from oxidizing, decomposing, or structurally damaging due to excessive temperature rise. This invention maintains a high-purity inert atmosphere environment through an inert atmosphere protection system. The inert atmosphere protection structure effectively inhibits the oxidation and degradation of sensitive materials such as MXene, significantly improving the stability and quality of the product. This invention enhances mixing efficiency and reaction uniformity through a high-frequency vibration module. The high-frequency vibration module achieves multi-dimensional material disturbance, improving the "dead zone" and "agglomeration" problems existing in traditional ball mills, and helps to improve mixing uniformity and reaction activity; This invention has a wider range of applications. This device is suitable for material systems that are temperature-sensitive, easily oxidized, easily decomposed, or highly reactive, such as MXene, sulfides, electrode materials, and nanomaterials, thus expanding the application scenarios of ball milling equipment. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the internal structure of the ball mill in this utility model; Figure 2This is a front view of the ball mill in this utility model; Figure 3 This is a right view of the ball mill in this utility model; Figure 4 This is a left view of the ball mill in this utility model; In the diagram: 1. High-frequency vibration module; 2. Motor; 3. Drive shaft; 4. Reducer; 5. Temperature sensor; 6. Grinding jar; 7. Regulating valve; 8. Cooling channel; 8-1. Cooling channel inlet end; 8-2. Cooling channel outlet end; 9. Inert gas input pipe; 10. Pressure sensor; 11. Pressure gauge. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of the present utility model can be combined with each other, and the described embodiments are only some embodiments of the present utility model, not all embodiments.

[0017] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" 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 or an electrical 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 utility model based on the specific circumstances.

[0018] See appendix Figure 1-4 This embodiment describes a ball mill for mixing MXene and metal powder, comprising a grinding jar 6, a high-frequency vibration module 1, a cooling system, a power system, and an inert atmosphere protection system. The high-frequency vibration module 1 is located at the bottom of the grinding jar 6. The power system is connected to the grinding jar 6 and drives the grinding jar 6 to rotate. The cooling system includes a coolant, a cooling channel 8, and multiple temperature sensors 5. The cooling channel 8 is spirally arranged around the outside of the grinding jar 6, and the coolant flows along the spiral path of the cooling channel 8. The multiple temperature sensors 5 are spaced apart circumferentially around the grinding jar 6 and are fixedly connected to the jar body. The inert atmosphere protection system includes an inert gas input pipe 9, a pressure sensor 10, and a control module. The inert gas input pipe 9 passes through the top of the grinding jar 6 and is fixedly connected to the grinding jar 6. The inlet of the inert gas input pipe 9 is connected to an external inert gas source. The pressure sensor 10 is located at the top of the grinding jar 6 and is communicatively connected to the control module for real-time feedback of the pressure data inside the jar.

[0019] The high-frequency vibration module 1 can generate micro-vibrations of 50-500 Hz, producing periodic vertical or horizontal vibrations. This superimposed high-frequency micro-vibrations on the rotating ball mill jar 6 enhances the peeling, dispersion, and mixing effects of metal powder particles and MXene flakes, achieving multi-dimensional material disturbance and improving the "dead zone" and "agglomeration" problems of traditional ball milling, thus helping to improve mixing uniformity and reactivity. The cooling system enables precise temperature control during ball milling. By setting up a high-efficiency cooling channel 8 and a fast-response temperature sensor 5, the ball milling temperature can be monitored and adjusted in real time to prevent MXene from oxidizing, decomposing, or structurally damaging due to excessive temperature rise. The inert atmosphere protection system maintains a high-purity inert atmosphere environment. The inert atmosphere protection structure effectively inhibits the oxidation and degradation of sensitive materials such as MXene, significantly improving the stability and quality of the product.

[0020] The cooling system also includes an external cooling circulation module. The cooling channel inlet 8-1 is connected to the outlet of the external cooling circulation module, and the cooling channel outlet 8-2 is connected to the inlet of the external cooling circulation module. Preferably, the external cooling circulation module is a constant temperature water bath or a cooler. The cooling channel inlet 8-1 is connected to the external cooling circulation module via a connector. The coolant enters through the cooling channel inlet 8-1 and flows along the spiral path of the cooling channel 8. After absorbing the heat generated by the ball mill, the coolant is discharged from the cooling channel outlet 8-2.

[0021] The cooling system also includes a temperature control module, which is communicatively connected to the temperature sensor 5. The temperature control module is used to monitor the temperature inside the grinding jar 6 in real time during the ball milling process, so as to automatically adjust the coolant flow rate and ensure that the ball milling temperature does not exceed a set threshold.

[0022] The inert atmosphere protection system also includes a pressure gauge 11, which is installed on the inert gas input pipeline 9. The pressure gauge 11 is used to read the pressure inside the ball mill jar 6 on-site, facilitating manual adjustment of the inert gas flow rate.

[0023] A regulating valve 7 is installed at the inlet of the inert gas input pipe 9. Specifically, the inlet of the inert gas input pipe 9 is connected to an argon cylinder via a standard airtight interface for introducing inert gas into the ball mill jar 6 to prevent oxidation of MXene during the ball milling process. The regulating valve 7 at the inlet of the inert gas input pipe 9 facilitates control of the gas intake and maintains a slightly positive pressure inert atmosphere inside the ball mill jar 6.

[0024] The cooling channel 8 is formed by welding a metal tube body and an outer sleeve, and a closed interlayer is formed between the metal tube body and the outer sleeve.

[0025] The power system includes a motor 2, a reducer 4, and a drive shaft 3. The output shaft of the motor 2 is drivenly connected to the input shaft of the reducer 4, and the output shaft of the reducer 4 is drivenly connected to one end of the drive shaft 3. The other end of the drive shaft 3 is fixedly connected to the center of the bottom surface of the ball mill jar 6. Preferably, the motor 2 is an AC servo motor or a frequency converter motor, used to provide stable rotational power. The reducer 4 is used to reduce the high speed of the motor 2 to a low-speed, high-torque output suitable for ball milling.

[0026] An elastic element is provided between the high-frequency vibration module 1 and the ball mill jar 6. Specifically, the elastic element is a rubber or metal elastic element, which ensures that the vibration energy is effectively transmitted to the ball mill jar 6.

[0027] The bottom of the ball mill jar 6 is provided with a flange, and the drive shaft 3 is fixedly connected to the bottom of the ball mill jar 6 through the flange.

[0028] For the inert atmosphere protection system, replacing the inert gas with nitrogen can mix MXene with zinc powder.

[0029] This utility model discloses a ball mill for mixing MXene and metal powder. The specific working steps are described below using the mixing of MXene and nickel powder as an example: S1: Add MXene powder, nickel powder and milling media to the milling jar 6 in proportion, and lock the jar body; S2: Open the regulating valve 7 at the inlet of the inert gas input pipeline 9, and fill it with argon gas until the pressure gauge 11 shows that the set pressure has been reached. The pressure sensor 10 will start to monitor the pressure inside the tank in real time. S3: The cooling system is activated, and coolant enters the cooling channel 8 to remove the heat generated during the ball milling process. Temperature sensor 5 feeds back the tank temperature to the control system in real time, automatically increasing the coolant flow rate when the temperature is too high. S4: Start motor 2. Motor 2 drives transmission shaft 3 through reducer 4, making the ball mill jar 6 rotate stably. At the same time, start high-frequency vibration module 1 to superimpose high-frequency micro-vibration inside the ball mill jar 6 to enhance powder mixing; S5: After the ball milling time is reached, stop motor 2 and high-frequency vibration module 1, and close the inert gas channel and cooling system. Open the ball mill jar 6 and remove the uniformly mixed MXene-nickel powder composite material.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A ball mill for mixing MXene and metal powder, characterized in that: The system includes a grinding jar (6), a high-frequency vibration module (1), a cooling system, a power system, and an inert atmosphere protection system. The high-frequency vibration module (1) is located at the bottom of the grinding jar (6). The power system is connected to the grinding jar (6) and drives the grinding jar (6) to rotate. The cooling system includes a coolant, a cooling channel (8), and multiple temperature sensors (5). The cooling channel (8) is spirally arranged around the outside of the grinding jar (6), and the coolant flows along the spiral path of the cooling channel (8). The multiple temperature sensors... The apparatus (5) is arranged at intervals around the circumference of the ball mill jar (6) and is fixedly connected to the jar body. The inert atmosphere protection system includes an inert gas input pipe (9), a pressure sensor (10) and a control module. The inert gas input pipe (9) passes through the top of the ball mill jar (6) and is fixedly connected to the ball mill jar (6). The inlet of the inert gas input pipe (9) is connected to an external inert gas source. The pressure sensor (10) is located on the top of the ball mill jar (6) and is communicatively connected to the control module.

2. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: The cooling system also includes an external cooling circulation module, with the cooling channel inlet (8-1) connected to the outlet of the external cooling circulation module and the cooling channel outlet (8-2) connected to the inlet of the external cooling circulation module.

3. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: The cooling system also includes a temperature control module, which is communicatively connected to the temperature sensor (5).

4. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: The inert atmosphere protection system also includes a pressure gauge (11), which is installed on the inert gas input pipe (9).

5. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: A regulating valve (7) is installed at the inlet of the inert gas input pipeline (9).

6. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: The cooling channel (8) is formed by welding a metal tube body and an outer sleeve, and a closed interlayer is formed between the metal tube body and the outer sleeve.

7. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: The power system includes a motor (2), a reducer (4) and a drive shaft (3). The output shaft of the motor (2) is connected to the input shaft of the reducer (4). The output shaft of the reducer (4) is connected to one end of the drive shaft (3). The other end of the drive shaft (3) is fixedly connected to the center of the bottom surface of the ball mill jar (6).

8. A ball mill for mixing MXene and metal powder according to claim 1, characterized in that: An elastic element is provided between the high-frequency vibration module (1) and the ball mill jar (6).

9. A ball mill for mixing MXene and metal powder according to claim 7, characterized in that: The bottom of the ball mill jar (6) is provided with a flange, and the drive shaft (3) is fixedly connected to the bottom of the ball mill jar (6) through the flange.

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