Grinding parameter control and adjustment method and system for high-energy grinding machine

Abstract

This invention discloses a method and system for controlling and adjusting grinding parameters in a high-energy grinding machine. By acquiring the material, size, and mass of the grinding balls and combining them with the rotor speed and the motion of the grinding balls within the grinding chamber, the kinetic energy transferred to the grinding material by each grinding ball upon impact can be accurately calculated. This helps improve grinding efficiency and quality. Using an intelligent parameter control system, current grinding condition data can be collected and analyzed in real time, automatically adjusting operating parameters to suit different grinding requirements. This approach not only improves production efficiency but also ensures consistent product quality.

Description

Technical Field

[0001] The present invention relates to the field of electromechanical equipment, and in particular to a method and system for controlling and adjusting grinding parameters of a high-energy grinder. Background Art

[0002] With the rapid development of science and technology and the acceleration of industrialization, mechanochemical high-energy grinding machines, as an important high-end equipment, play an irreplaceable role in a variety of fields such as material preparation, chemical industry, medicine, and food. The high-efficiency and fine processing capabilities of mechanochemical high-energy grinding machines are particularly important in the preparation of nanostructured materials. Mechanochemical high-energy grinding machines achieve fine processing of material surfaces through friction, impact, and shearing between high-speed rotating grinding media and the workpiece. However, current grinding machines are difficult to control and adjust when controlling multiple process parameters, including speed, pressure, ball-to-material ratio, and temperature, due to the complex interactions between these parameters.

[0003] In summary, a method and system for controlling and adjusting grinding parameters of a high-energy grinder are needed to address the deficiencies in the prior art. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a method and system for controlling and adjusting grinding parameters of a high-energy grinder, aiming to solve the above problems.

[0005] To achieve the above object, the present invention provides the following technical solution: a method for controlling and adjusting grinding parameters of a high-energy grinder, comprising the following steps:

[0006] Step S1: obtaining the material and size of the grinding balls before grinding, and calculating the mass of the grinding balls based on the material and size;

[0007] Step S2: Calculate the linear velocity of the grinding balls, obtain the rotor speed in the grinding chamber and the motion state of the grinding balls, and calculate the linear velocity of the grinding balls based on the rotor speed and gravity;

[0008] Step S3: Calculate the linear velocity of the grinding balls and calculate the kinetic energy transferred to the abrasive by each ball when it impacts the abrasive according to the kinetic energy formula;

[0009] Step S4: adjusting the grinding parameters according to the kinetic energy value and the grinding effect, and repeating steps S2 and S3 until the grinding effect that meets the requirements is achieved;

[0010] Step S5: The intelligent parameter control system is used to monitor and adjust the working parameters in real time so that the grinding effect meets the grinding requirements.

[0011] Optionally, the linear velocity of the grinding balls in step S2 is calculated in the following manner:

[0012] Step A1: Obtain the rotational speed of the grinding machine rotor, and calculate the angular velocity of the rotor according to the rotational speed of the rotor;

[0013] Step A2: Obtain the movement radius of the grinding ball in the grinding chamber, and calculate the movement linear velocity of the grinding ball according to the movement radius;

[0014] Step A3: calibrating the linear velocity of the grinding balls according to the gravity of the grinding balls to obtain a calibrated linear velocity;

[0015] Step A4: calibrate the linear velocity of the grinding balls again according to the ball-to-material ratio, working pressure, and grinding time to obtain the actual linear velocity.

[0016] Optionally, the linear velocity V1 of the movement in step A2 is calculated by the following method: V1=2πnr / 60, where n is the rotation speed of the rotor and r is the movement radius of the grinding ball.

[0017] Optionally, the linear velocity V2 is calibrated in step A3 by the following method: , where a is the velocity calibration coefficient, g is gravity, and r is the radius of motion of the grinding ball.

[0018] Optionally, the actual linear velocity V in step A4 is calibrated based on the ball-to-material ratio:

[0019] According to the mass and volume of the grinding balls, the mass and volume of the grinding material, and the volume of the grinding chamber, the distribution density and movement pattern of the grinding balls and the grinding material in the grinding chamber are obtained, and the linear velocity of the movement is calibrated.

[0020] Optionally, the actual linear velocity V in step A4 is calibrated based on the working pressure in the grinding chamber:

[0021] According to the working pressure in the grinding chamber, the contact force and collision strength of the grinding balls are obtained, and the movement speed caused by pressure-induced energy consumption is calibrated.

[0022] Optionally, the actual linear velocity V in step A4 is calibrated based on the grinding time: the total number of collisions in the grinding chamber is obtained according to the grinding time, and the linear velocity is then calibrated.

[0023] Optionally, in step S5, the operating parameters are monitored and adjusted in real time in the following manner:

[0024] Step B1: Obtain historical grinding data and collect grinding data in real time;

[0025] Step B2: Analyze current grinding condition data through the intelligent parameter control system;

[0026] Step B3: According to the analysis results of the intelligent parameter control system, the speed, pressure and grinding time working parameters are automatically adjusted to ensure that the energy transfer efficiency and grinding effect meet the requirements.

[0027] A high-energy grinder grinding parameter control and adjustment system adopts a high-energy grinder grinding parameter control and adjustment method, including a data acquisition module, a linear speed calculation module, a linear speed calibration module, a kinetic energy calculation module, a parameter adjustment module and a real-time monitoring and control module;

[0028] A data acquisition module is used to obtain data on grinding balls, grinding materials, and grinding working parameter data;

[0029] A linear velocity calculation module is used to calculate the relative linear velocity of the grinding balls according to the rotation speed of the rotor in the grinding chamber and the motion state of the grinding balls;

[0030] Linear speed calibration module, used to calibrate the linear speed according to gravity, ball-to-material ratio, working pressure and grinding time;

[0031] A kinetic energy calculation module is used to calculate the linear velocity of the grinding ball according to the calibrated linear velocity;

[0032] Parameter adjustment module, used to adjust working parameters according to kinetic energy value and grinding effect;

[0033] Real-time monitoring and control module, used to detect and adjust working parameters in real time.

[0034] Beneficial effects of the present invention:

[0035] In this invention, by obtaining the material, size, and mass of the grinding balls, and combining them with the rotor speed and the motion of the grinding balls within the grinding chamber, it is possible to accurately calculate the kinetic energy transferred to the grinding material by each grinding ball upon impact. This helps improve grinding efficiency and quality. Using an intelligent parameter control system, current grinding condition data can be collected and analyzed in real time, automatically adjusting operating parameters to suit different grinding requirements. This approach not only improves production efficiency but also ensures consistent product quality.

[0036] In the present invention, based on the calculated kinetic energy value and the actual grinding effect, the method can dynamically adjust the grinding working parameters until the optimal grinding effect is achieved. This method ensures the maximum energy transfer efficiency while reducing unnecessary energy consumption;

[0037] In the present invention, taking into account the influence of multiple factors such as gravity, ball-to-material ratio, working pressure and grinding time on the grinding process, the system adjusts the actual linear velocity of the grinding balls through a series of calibration steps, thereby more accurately simulating the actual operating conditions and further improving the grinding effect. The entire system includes a data acquisition module, a linear velocity calculation module, a linear velocity calibration module, a kinetic energy calculation module, a parameter adjustment module and a real-time monitoring and control module, which realizes comprehensive management and optimization of the grinding process and is conducive to realizing automated and intelligent production. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 The present invention is a flow chart of a method.

[0039] Figure 2 This is an internal flow chart of step S2 of the present invention.

[0040] Figure 3 A schematic diagram of the system structure of the present invention. DETAILED DESCRIPTION

[0041] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0042] like Figure 1 and Figure 2 As shown, a method for controlling and adjusting grinding parameters of a high-energy grinding machine includes the following steps:

[0043] Step S1: obtaining the material and size of the grinding balls before grinding, and calculating the mass of the grinding balls based on the material and size;

[0044] Step S2: Calculate the linear velocity of the grinding balls, obtain the rotor speed in the grinding chamber and the motion state of the grinding balls, and calculate the linear velocity of the grinding balls based on the rotor speed and gravity;

[0045] Calculate the linear velocity of the grinding ball by:

[0046] Step A1: Obtain the rotational speed of the grinding machine rotor, and calculate the angular velocity of the rotor according to the rotational speed of the rotor;

[0047] Step A2: Obtain the movement radius of the grinding ball in the grinding chamber, and calculate the movement linear velocity of the grinding ball based on the movement radius. The movement linear velocity V1 is calculated as follows: V1=2πnr / 60, where n is the rotor speed and r is the movement radius of the grinding ball;

[0048] Step A3: Calibrate the linear velocity of the grinding balls according to the gravity of the grinding balls to obtain a calibration linear velocity, the calibration linear velocity V2, which is calibrated in the following manner: , where a is the velocity calibration coefficient, g is gravity, and r is the radius of motion of the grinding ball;

[0049] Step A4: recalibrate the linear velocity of the grinding balls according to the ball-to-material ratio, working pressure, and grinding time to obtain the actual linear velocity;

[0050] The actual linear velocity V is calibrated based on the ball-to-material ratio:

[0051] According to the mass and volume of the grinding balls, the mass and volume of the grinding material, and the volume of the grinding chamber, the distribution density and movement pattern of the grinding balls and the grinding material in the grinding chamber are obtained, and the linear velocity of the movement is calibrated.

[0052] The actual linear velocity V is calibrated based on the working pressure in the grinding chamber:

[0053] According to the working pressure in the grinding chamber, the contact force and collision strength of the grinding balls are obtained, and the movement speed caused by pressure-induced energy consumption is calibrated.

[0054] The actual linear velocity V is calibrated based on the grinding time: the total number of collisions in the grinding chamber is obtained according to the grinding time, and then the linear velocity is calibrated;

[0055] Step S3: Calculate the linear velocity of the grinding balls and calculate the kinetic energy transferred to the abrasive by each ball when it impacts the abrasive according to the kinetic energy formula;

[0056] Step S4: adjusting the grinding parameters according to the kinetic energy value and the grinding effect, and repeating steps S2 and S3 until the grinding effect that meets the requirements is achieved;

[0057] Step S5: The intelligent parameter control system is used to monitor and adjust the working parameters in real time so that the grinding effect meets the grinding requirements.

[0058] Monitor and adjust operating parameters in real time through:

[0059] Step B1: Obtain historical grinding data and collect grinding data in real time;

[0060] Step B2: Analyze current grinding condition data through the intelligent parameter control system;

[0061] Step B3: According to the analysis results of the intelligent parameter control system, the speed, pressure and grinding time working parameters are automatically adjusted to ensure that the energy transfer efficiency and grinding effect meet the requirements.

[0062] like Figure 3As shown, a high-energy grinder grinding parameter control and adjustment system adopts a high-energy grinder grinding parameter control and adjustment method, including a data acquisition module, a linear speed calculation module, a linear speed calibration module, a kinetic energy calculation module, a parameter adjustment module and a real-time monitoring and control module;

[0063] A data acquisition module is used to obtain data on grinding balls, grinding materials, and grinding working parameter data;

[0064] A linear velocity calculation module is used to calculate the relative linear velocity of the grinding balls according to the rotation speed of the rotor in the grinding chamber and the motion state of the grinding balls;

[0065] Linear speed calibration module, used to calibrate the linear speed according to gravity, ball-to-material ratio, working pressure and grinding time;

[0066] A kinetic energy calculation module is used to calculate the linear velocity of the grinding ball according to the calibrated linear velocity;

[0067] Parameter adjustment module, used to adjust working parameters according to kinetic energy value and grinding effect;

[0068] Real-time monitoring and control module, used to detect and adjust working parameters in real time.

[0069] The High Energy Mill is a rotary ball mill with a horizontally mounted rotor for easy operation. The device's key features are a strong rotor with wide blades, an airlock connection, an adjustable pre-seal device, an expansion chamber, and a rotary seal. In all horizontal systems, the effects of gravity on the milling medium are overridden by the impact of the rotor. Due to its robust design, the simulated fluid can run at speeds 2 to 3 times higher than conventional vertical aspirators. Consequently, the High Energy Mill achieves a higher affinity energy impact.

[0070] Further advantages are: the ability to generate extremely high energy shocks, gravity without dead zones, uniform density, charging and discharging through air locks in uncontrolled atmospheres such as vacuum or inert gas.

[0071] Through multi-axis linkage structure design, intelligent parameter control system and energy coupling device, efficient preparation of nanomaterials is achieved. Compared with traditional ball mills, the grinding efficiency is increased by more than 3 times and energy consumption is reduced by 45%. The prepared nanostructured materials have excellent mechanical properties (compressive strength ≥ 800MPa) and catalytic activity (degradation rate > 95%).

[0072] In order to better utilize the processing technology in the high-energy grinder, it is necessary to control the process parameters and process data through the intelligent parameter control system modeling algorithm, especially the dependence of temperature, time, speed and energy. The model algorithm runs and can be operated on the touch screen, and displays all speed and time changes, waveforms and curve changes, etc., and saves complete system files related to speed, time, temperature and power. The process temperature can be controlled and it has safety function hardware to ensure the safety of the equipment during operation.

[0073] By acquiring the material, size, and mass of the grinding balls, and combining this with the rotor speed and the motion of the grinding balls within the grinding chamber, the present invention can accurately calculate the kinetic energy transferred to the grinding material by each grinding ball upon impact. This helps improve grinding efficiency and quality. Using an intelligent parameter control system, current grinding condition data can be collected and analyzed in real time, automatically adjusting operating parameters to suit different grinding requirements. This approach not only improves production efficiency but also ensures consistent product quality.

[0074] Based on the calculated kinetic energy value and the actual grinding effect, this method can dynamically adjust the grinding parameters until the optimal grinding effect is achieved. This method ensures the maximum energy transfer efficiency while reducing unnecessary energy consumption;

[0075] Taking into account the influence of multiple factors such as gravity, ball-to-material ratio, working pressure and grinding time on the grinding process, the system adjusts the actual linear velocity of the grinding balls through a series of calibration steps, thereby more accurately simulating actual operating conditions and further improving the grinding effect. The entire system includes a data acquisition module, a linear velocity calculation module, a linear velocity calibration module, a kinetic energy calculation module, a parameter adjustment module and a real-time monitoring and control module, which realizes the comprehensive management and optimization of the grinding process and is conducive to the realization of automated and intelligent production.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for controlling and adjusting grinding parameters of a high-energy grinding machine, characterized in that: The following steps are involved: Step S1: obtaining the material and size of the grinding balls before grinding, and calculating the mass of the grinding balls based on the material and size; Step S2: Calculate the linear velocity of the grinding balls, obtain the rotor speed in the grinding chamber and the motion state of the grinding balls, and calculate the linear velocity of the grinding balls based on the rotor speed and gravity; Calculate the linear velocity of the grinding ball by: Step A1: Obtain the rotational speed of the grinding machine rotor, and calculate the angular velocity of the rotor according to the rotational speed of the rotor; Step A2: Obtain the movement radius of the grinding ball in the grinding chamber, and calculate the movement linear velocity of the grinding ball according to the movement radius; Step A3: calibrating the linear velocity of the grinding balls according to the gravity of the grinding balls to obtain a calibrated linear velocity; Step A4: recalibrate the linear velocity of the grinding balls according to the ball-to-material ratio, working pressure, and grinding time to obtain the actual linear velocity; Step S3: Calculate the linear velocity of the grinding balls and calculate the kinetic energy transferred to the abrasive by each ball when it impacts the abrasive according to the kinetic energy formula; Step S4: adjusting the grinding parameters according to the kinetic energy value and the grinding effect, and repeating steps S2 and S3 until the grinding effect that meets the requirements is achieved; Step S5: The intelligent parameter control system is used to monitor and adjust the working parameters in real time so that the grinding effect meets the grinding requirements.

2. The method for controlling and adjusting grinding parameters of a high-energy grinding machine according to claim 1, wherein: The linear velocity V1 of the movement in step A2 is calculated as follows: V1=2πnr / 60, where n is the rotation speed of the rotor and r is the movement radius of the grinding ball.

3. The method for controlling and adjusting grinding parameters of a high-energy grinding machine according to claim 2, wherein: The linear velocity V2 is calibrated in step A3 by the following method: , where a is the velocity calibration coefficient, g is gravity, and r is the radius of motion of the grinding ball.

4. The method for controlling and adjusting grinding parameters of a high-energy grinding machine according to claim 3, wherein: The actual linear velocity V in step A4 is calibrated based on the ball-to-material ratio: According to the mass and volume of the grinding balls, the mass and volume of the grinding material, and the volume of the grinding chamber, the distribution density and movement pattern of the grinding balls and the grinding material in the grinding chamber are obtained, and the linear velocity of the movement is calibrated.

5. The method for controlling and adjusting grinding parameters of a high-energy grinding machine according to claim 3, wherein: The actual linear velocity V in step A4 is calibrated based on the working pressure in the grinding chamber: According to the working pressure in the grinding chamber, the contact force and collision strength of the grinding balls are obtained, and the movement speed due to energy consumption caused by pressure is calibrated.

6. The method for controlling and adjusting grinding parameters of a high-energy grinding machine according to claim 3, characterized in that: In step A4, the actual linear velocity V is calibrated based on the grinding time: the total number of collisions in the grinding chamber is obtained according to the grinding time, and then the linear velocity is calibrated.

7. The method for controlling and adjusting grinding parameters of a high-energy grinding machine according to claim 1, wherein: In step S5, the operating parameters are monitored and adjusted in real time in the following manner: Step B1: Obtain historical grinding data and collect grinding data in real time; Step B2: Analyze current grinding condition data through the intelligent parameter control system; Step B3: According to the analysis results of the intelligent parameter control system, the speed, pressure and grinding time working parameters are automatically adjusted to ensure that the energy transfer efficiency and grinding effect meet the requirements.

8. A high-energy grinder grinding parameter control and adjustment system, using the high-energy grinder grinding parameter control and adjustment method according to any one of claims 1 to 7, characterized in that: It includes data acquisition module, linear speed calculation module, linear speed calibration module, kinetic energy calculation module, parameter adjustment module and real-time monitoring and control module; A data acquisition module is used to obtain data on grinding balls, grinding materials, and grinding working parameter data; A linear velocity calculation module is used to calculate the relative linear velocity of the grinding balls according to the rotation speed of the rotor in the grinding chamber and the motion state of the grinding balls; Linear speed calibration module, used to calibrate the linear speed according to gravity, ball-to-material ratio, working pressure and grinding time; A kinetic energy calculation module is used to calculate the linear velocity of the grinding ball according to the calibrated linear velocity; Parameter adjustment module, used to adjust working parameters according to kinetic energy value and grinding effect; Real-time monitoring and control module, used to detect and adjust working parameters in real time.

Images