2022.09.21
The noise of the ball mill mainly comes from the steel ball (steel roller), the material and the drum steel plate, and the grinding and grinding of each other, and radiated by the inside and outside of the drum wall. It is a mechanical noise. In addition, motor noise and spindle noise are also an important part. Due to the different diameter of the drum, different materials, and different speeds, the noise of the ball mill is very different. According to the measurement, the noise of the large ball mill is 90-120db (a). The noise spectrum of different ball mills can be largely different. Some steel factory ball group production equipment ball mills have obvious low -frequency characteristics, and some ball mills are intermediate frequency characteristics. Generally speaking, the larger the diameter of the drum, the larger the low -frequency composition; the lower the speed, the larger the low -frequency component.
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