How to do the sound insulation effect of workshop decoration?
Release time:2019-12-07 source:
In the design of the workshop, the sound source should be allocated reasonably. It can also reduce the harm of noise by separating the factories that produce strong noise from the residential areas, and the workshops with high noise from the workshops with low noise. There are generally the following measures to control the propagation of noise in the plant.
1) sound absorption
Use sound-absorbing materials to decorate the interior surface of the workshop, such as walls and roofs, or hang space absorbers in the workshop to absorb radiation and reflected sound energy, so as to reduce the noise intensity. The materials with better sound absorption include glass wool, slag cotton, foam plastic, felt, cotton wool, aerated concrete, sound absorbing board, wood wool board, etc.
2) noise elimination
The muffler is a device that can prevent sound transmission and allow air flow to pass through. This is the main measure to prevent aerodynamic noise. The muffler has the resistance muffler which uses the sound-absorbing material to eliminate the noise, the resistance muffler which is made according to the filtering principle, and the impedance composite muffler which uses the above two principles to design.
3) sound insulation
In some cases, certain materials and devices can be used to close the sound source and isolate it from the surrounding environment, such as acoustic enclosure and sound insulation room. The sound insulation structure shall be tight to avoid resonance affecting the sound insulation result.
4) vibration isolation
In order to prevent the vibration and noise transmitted by solid materials such as floor and wall, vibration damping devices, such as rubber mat, asphalt, etc., are set at the joint of the machine foundation, floor and wall.
5) health care measures
To strengthen personal protection, it is an effective measure to wear personal protective equipment to protect the hearing organs when the noise in the production site cannot be controlled temporarily or when it is necessary to work under special high noise conditions. Earplugs are the most commonly used, with sound insulation up to 30 decibels. The sound insulation effect of earmuffs and helmets is better than that of earplugs, but they are not convenient to use and have high cost, which needs to be improved.
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