Control method of air compressor noise

1. Install the muffler.

• The main sources of noise (decibels (dB)) are the inlet and outlet, and appropriate intake and exhaust mufflers should be selected. Permanent magnet frequency conversion air compressor frequency conversion screw air compressor compressor displacement can be combined with the user’s air consumption, completely avoiding the loss of unloading power; in the state of intermittent air consumption, through the zero load effect of soft start , to avoid the peak current and torque, so the unit can start and stop. The spectrum of the inlet noise of the air compressor has a low frequency characteristic. A small hole muffler should be used at the outlet of the air compressor. The intake muffler should use a resistance structure or a resistance composite structure with resistance and resistance, with high exhaust pressure and high wind speed.

2. Create an acoustic enclosure.

• After the muffler is installed at the inlet and outlet of the air compressor or after the muffler channel is installed, the airflow noise (decibel (dB)) can be reduced to below 80 decibels (a). If the sound absorber is hung on the ceiling of the factory, the noise (decibel (dB)) of the building can be reduced by 3-10db(a), and the reverberation time can be shortened by 5-10 seconds. However, the mechanical and horse noise of the air compressor is still high, so it should also be under air pressure, the unit of this machine is equipped with a soundproof enclosure.

3. Set the silent pipeline.

• For underground or semi-underground anechoic pits, the use of silent tunnels can greatly reduce the intake noise of air compressors (decibels (dB)), and have a longer service life than traditional mufflers. The pit walls are made of sound-absorbing bricks. Forever The exhaust volume of the magnetic variable frequency air compressor variable frequency screw air compressor compressor can be combined with the user’s air consumption, completely avoiding the loss of unloading power; in the state of intermittent air consumption, through the zero load effect of soft start, Current and torque peaks are avoided, so the unit can be started and stopped.

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