Ball mill is a common grinding equipment in chemical, metallurgical, mining and other industries. The noise generated during the production process is ubiquitous and is one of the stronger noises in industrial production. Its noise is harmful to the health of employees and the lives of surrounding residents and needs to be controlled. The method of installing a soundproof cover on the ball mill is usually used to control noise.
What is a soundproof cover for a ball mill?
The soundproof cover for a ball mill is a supporting device that measures the noise spectrum and sound pressure of cement ball mill equipment, adds damping isolation or sound-absorbing materials to form a soundproof cover, and reduces the impact of ball mill noise on workers' health and the environment. The soundproof cover of the ball mill is divided into a whole machine soundproof cover and a partial soundproof cover. The disadvantage of a partial soundproof cover is that the sound insulation is less than that of the whole machine soundproof cover.
The reasons are:
Although there is no typical heat source in the soundproof cover of the ball mill, the long-term collision and friction in the tank will also generate heat, which also requires ventilation and heat dissipation. For this reason, an exhaust port and a muffler are set on the top of the cover. For this equipment with low heat dissipation, this natural ventilation and heat dissipation method is sufficient.
The rotating shaft of the ball mill cylinder must pass through the sound insulation cover, so there is a gap between the sound insulation cover plate and the moving parts, which is easy to leak sound and affect the sound insulation effect; if the relatively small sound source of the ball mill is thrown out of the cover, the sound after sound insulation measures are taken often depends on the noise of the motor, so the overall noise reduction range is disrupted.