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Noise treatment of air compressor

Source: essens air compressor Time of publication: June 29, 2020 tag: Air compressor noise (1) Small in large

Air compressor is a kind of equipment used to reduce the volume of steam. Centrifugal fan refrigeration compressor is widely used, which is similar to the pump structure.

Rare earth permanent magnet screw air compressor DC variable frequency screw air compressor refrigeration compressor displacement can be extremely integrated with the customer's air supply, avoiding the loss of output power after unloading;

In the case of intermittent natural gas, according to the zero load effect of soft start, the maximum value of current and torque is prevented, so the generator set can start and stop for endless times.

Most of them are to reactivate the piston, rotate the leaves or turn the extruder screw. The key to noise control is to select a muffler and build a sound insulation cover.

1. Install muffler

The key source of noise (DB) is the inlet and outlet, and the appropriate inlet and exhaust muffler should be selected.

Rare earth permanent magnet screw air compressor DC variable frequency screw air compressor refrigeration compressor displacement can be extremely integrated with the customer's air supply, avoiding the loss of output power after unloading;

In the case of intermittent natural gas, according to the zero load effect of soft start, the maximum value of current and torque is prevented, so the generator set can start and stop for endless times.

The frequency band of channel noise of air compressor has the characteristics of low frequency.
 Air compressor

The inlet and outlet of air compressor shall be equipped with small round hole muffler.

The inlet muffler should be constructed with friction resistance or characteristic impedance composite structure with friction resistance and friction resistance, with high exhaust pipe working pressure and high wind force.

2. Build a sound enclosure

After the muffler is installed at the inlet and outlet of the compressor or the safety channel of the muffler, the cyclonic noise (DB) can be reduced to less than 80 dB (a).

If the sound absorber is suspended on the ceiling of the processing plant, the noise (DB) of building can be reduced by 3-10db (a) and the reverberation time can be reduced by 5-10S.

However, the noise of mechanical equipment and motor of air compressor is still very high, so it should be under the working pressure of gas. The module of the equipment is equipped with sound insulation cover.

3. Setting silent pipeline

For the anechoic pit in the underground or semi basement, the application of tunnel construction can greatly reduce the noise (DB) of air compressor inlet, and has a longer life time than the traditional muffler. The pit wall is made of sound insulation brick.

Rare earth permanent magnet screw air compressor DC variable frequency screw air compressor refrigeration compressor displacement can be extremely integrated with the customer's air supply, avoiding the loss of output power after unloading;

In the case of intermittent natural gas, according to the zero load effect of soft start, the maximum value of current and torque is prevented, so the generator set can start and stop for endless times.

The basic principle of compressor noise control is about this. In the case of solving the problem, why not refer to this detailed introduction, and then carry out stronger control of noise (DB).

 

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