Ball Mill For Iron Sand Titanium/Ball Mill For Cement Plant
Ball mill is the key equipment for secondary crushing after first crushing, and it is one of the high-fineness milling machines widely used in industrial production. It is suitable for grinding all kinds of ores and other materials, no matter wet grinding or dry grinding. Besides, it is mainly applied in many industries, such as ferrous&non-ferrous metal mine, building materials, chemical, electric power, coal, traffic, light industry, etc. In our company, this series of high-efficiency ball mills adopts rolling bearing support instead of sliding bearing support with bearing bush. Therefore, it can save 10-20% energy, and with the same power energy, its capacity can be enlarged to 10-20%. According to different discharging ways, it can be divided in two kinds, lattice type and overflow type.
How to Control Noise of Ball Mill For Cement Plant/Ball Mill For Iron Sand Titanium?
1. add acoustic shield
The technique is to cover up the roller of Ball Mill For Cement Plant/Ball Mill For Iron Sand Titanium, the cover shell is made of metal. In order to achieve noise reduction effect, the inside is lined with sound-absorbing materials, noise reduction can reach 15 ~ 20dB. However, when using this method, large area is required, also there is much trouble in the maintenance and overhaul of equipment, the acoustic shield needs to be disassembled, which increases the workload of maintenance and overhaul.
2. set elastic layer at the bottom of the lining boards
The method is to eliminate the rigid connection between the liner and roller, after successful installation, noise reduction can reach more than 15dB. However, this method is not easy to handle, because the elastic layer itself is a vibration system. the impact of steel ball will change with the natural frequency of the liners, resulting in a greater amplitude. Only when vibration noise frequency is greater than the liner natural frequency will has a good effect. It would be counterproductive if the installation is not good, and the cost is very high.
3. simple dressing
This method uses blankets and other sound-absorbing materials to make curved partition plate fastened with bolts. but the bolts are not wrapped so it is convenient to repair. Because the absorption capacity of blankets and other materials for the low frequency noise is not strong, so the noise reduction of this method can only reach about 10dB, noise-isolation effect is not very satisfactory and the cost is higher than the method of adding acoustic shield. However, this method is convenient for maintenance and overhaul, and also does not affect the steel ball loading and other work.
As a professional ball mill manufacturer in China Henan Fote Heavy Machinery Co.,Ltd, has 20 years of production experience, advanced ball mill technology, strong technical, reasonable ball mill price,welcome consumers to visit consultation. e have the good service to our customers, if they can't install the machines, we can send our technician come to your location, and install for you. We make every endeavor to satisfy our customers. Welcome to visit and order.
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Address: High and New Industrial Zone, Kexue Revenue, High and New Technology Industrial Development Zone, Zhengzhou, China
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