Some roofing equipment, such as air conditioning units, cooling towers, noise is too big how to manage?

1. air conditioning unit noise management can be installed muffler to reduce the noise generated by the equipment, muffler can let the air flow through smoothly, so that it will not block the pipeline, the principle of muffling is the use of air conditioning unit of each air flow channel cross-section of the sudden change in the reflection of the sound waves back to the muffler. Muffler is the most common noise reduction equipment in the air conditioning unit noise reduction, experts believe that in addition to consider the muffler noise reduction, but also consider part of the frequency noise elimination through the unit wall plate enclosure anechoic, this idea comes from the resistance muffler.

2. Because a large part of the noise of the air conditioning unit is low-frequency noise, so we manage the best means of low-frequency noise is vibration damping, and therefore the installation of suitable vibration damping devices. For example, installing a spring damper on the rigid support, the spring damper can effectively reduce the vibration sound.

3. There are some other willingness can also lead to noise, such as air conditioning compressor performance deterioration, we can replace the compressor. Air conditioning unit is too dirty, such as fan blades have dirt, we need to remove in time, otherwise the dirt will also lead to noise. There are also some parts damaged and so on, will further strengthen the noise pollution.

Cooling tower noise sources are complex, we have to divide and conquer, such as fan noise is the most important source of noise, because the fan noise penetration is strong, but the wavelength is short, so the noise management is more difficult, we can choose the impedance composite muffler, this is the current management of the effectiveness of the better a muffler, which can be a very good combination of acoustic absorption and acoustic reflection.

Drenching noise is also an important part of the cooling tower noise management link, it is easier to manage, but pay attention to the cooling tower can not affect the cooling tower cooling function, muffler and muffling louvers can greatly reduce the noise. Can then install a cooling tower inlet muffler elbow, through this elbow to reduce noise pollution.

In addition, the most common or cooling tower acoustic enclosure installation, or choose the sound barrier structure, the sound barrier for the falling water noise in the middle and high frequency part of a very good shielding effect.