What are the reasons and solutions for the abnormal noise emitted by the sand mill during operation?
The abnormal noise produced by the sand mill during operation may be due to insufficient lubrication of the bearings or damage to the bearings. The solution is to check and replace the lubricating oil. If the problem persists, the bearings need to be replaced.

What are the possible reasons and solutions for the ball mill motor not starting?
Possible reasons for the failure of the ball mill motor to start include power failure, blown fuse, or incorrect wiring of the control equipment. The handling method includes checking the switch, fuse and each contact, repairing the fault; Identify the cause of the burn and eliminate it, then install the fuse according to the specifications; Or correct wiring errors.

What are the possible reasons and solutions for uneven mixing in the mixer?
The uneven mixing of the mixer may be due to the slow speed of the agitator or the inappropriate shape of the agitator. The solution is to adjust the mixer speed or replace it with a suitable mixer shape.

What are the possible reasons and solutions for the particle size detection results of the product crushed by the airflow crusher not meeting the requirements?
Possible reasons include unstable crushing pressure, unstable feeding speed, or high material viscosity, which can cause the crushed material to easily clump. The solution is to ensure that the low gas supply pressure of the gas source is 2-3 bar higher than the working pressure, on the basis that the gas supply capacity of the gas source equipment can meet the required gas volume for work; Check if there is any blockage at the feeding valve and control the feeding speed steadily; Alternatively, consider using a wet method for detection to ensure that the substance is fully dispersed in the solution before proceeding with the detection.

What are the common causes and solutions for blockages in universal crushers?
The common reasons for blockages in universal crushers include excessive feed speed, poor or blocked discharge pipes, broken or aged hammers, and closed or broken screen holes. The solution includes immediately reducing or closing the material door and adjusting the feeding method; Clear the delivery port, change the mismatched conveying equipment, and adjust the feeding amount; Regularly update broken and severely aged hammer blades; Regularly inspect the sieve and maintain the moisture content of the crushed material below 14%.

What are the reasons and solutions for the high temperature of the main bearing of the roller crusher?
The high temperature of the main bearing of the roller crusher may be due to insufficient lubricating grease, grease contamination, or bearing damage. The solution is to add an appropriate amount of grease, clean the bearings and replace the grease, or replace the bearings.

What are the possible causes and treatment methods for abnormal vibration during the operation of jaw crushers?
Possible reasons include loose or broken anchor bolts, unstable equipment foundations, entry of unbreakable foreign objects into the crushing chamber, and damage to the moving jaw or bearings. The handling method includes checking and tightening the anchor bolts, and replacing them if necessary; Strengthen the equipment foundation to ensure levelness and stability; Shutdown to clean foreign objects in the crushing chamber; Check the moving jaw and bearings, and replace them promptly if they are damaged.

What are the common causes and preventive measures for the fracture of vibrating screen shafts?
The common reasons for the fracture of vibrating screen shafts include long-term metal fatigue, poor shaft material, or excessive tension in the V-belt. Preventive measures include purchasing products from reputable manufacturers and ensuring that the material selection for each component is reasonable; It is strictly prohibited to start the vibrating screen with materials; Strengthen daily maintenance and inspection, regularly inspect the shaft, and replace it promptly if any bending, deformation, or other phenomena are found; Adjust the tension of the V-belt in a timely manner to avoid excessive tension.

What are the possible reasons and solutions for insufficient vacuum degree in the emulsifier?
Insufficient vacuum degree of the emulsifier may be caused by damaged, aged or improperly installed seals leading to air leakage, or problems with the vacuum pump itself such as impeller damage, motor failure, etc. The solution includes checking and replacing damaged seals to ensure they are installed correctly; Check the oil level and quality of the vacuum pump. If the oil level is too low, add an appropriate amount of vacuum pump specific oil. If the oil quality deteriorates, replace it with new oil; Check if the motor and impeller of the pump are functioning properly, and repair or replace them if there are any faults.

What are the common faults and troubleshooting methods during the operation of the filling and sealing machine?
The common faults and troubleshooting methods that may occur during the operation of the filling and sealing machine vary depending on the specific model and fault situation. Generally speaking, it is necessary to regularly check whether the various components of the equipment are intact, whether the connections are tight, and whether the lubrication is good. For the faults that occur, specific analysis should be conducted based on the symptoms and causes of the faults, and corresponding troubleshooting measures should be taken. For example, for leakage problems caused by poor sealing, damaged seals should be inspected and replaced; For the problem of abnormal motor operation, it is necessary to check whether the power supply and control circuit are normal.