1. Correctly install the gear
The collision of the gears of the transmission system will make noise, so during the installation of the ball mill, special attention should be paid to the installation of the gears, and the coincidence, gap and modulus of the gears should be controlled within a reasonable error range. Exceeding the error will not only bring huge noise , and may also affect the operation of the ball mill.
2. Add sound insulation cover or damping sound insulation layer outside the ball mill cylinder
The collision of the inner liner of the cylinder with the material and the grinding medium will cause noise. The solution is to install a sound insulation cover outside the cylinder, but the sound insulation cover also has drawbacks, which will affect ventilation and heat dissipation, and it is also difficult for later maintenance and maintenance. The specific operation method is to make a floating clamp-type damping sound insulation sleeve on the shell of the cylinder, and wrap the cylinder with the damping sound insulation layer. Can reduce noise 12 ~ 15dB (A).
3. The choice of the lining board
In the selection of the lining plate, replacing the manganese steel lining plate with the rubber lining plate can reduce the impact noise of the cylinder. This noise reduction method is very practical, but the life of the rubber lining plate has always been discussed.
4. An elastic cushion is installed between the inner wall of the cylinder and the lining plate
An elastic cushion is installed between the inner wall of the cylinder and the lining plate to smooth the waveform of the impact force of the steel ball on the lining plate, reduce the vibration amplitude of the simple wall, and reduce the sound radiation. This method can reduce noise by 10dB (A )about.
5. Regularly check the lubrication system
Regularly check the lubrication system and add lubricating oil regularly. If the lubrication work is not done carefully, it is likely to increase the friction of the gears and bring about noise.
Post time: May-12-2022