Power Generator Silencers

The main principle of power generator silencers is the use of porous sound-absorbing materials to reduce noise. The sound-absorbing material is fixed on the inner wall of the airflow channel or arranged in the pipe in a certain way to form a resistive muffler. When the sound wave enters the resistive muffler, a part of the sound energy is rubbed in the pores of the porous material, converted into heat energy and dissipated, so that the sound wave passing through the muffler is weakened. A resistive muffler is like a purely resistive circuit in electricity, and the sound absorbing material is similar to a resistor. Therefore, people call this muffler a resistive muffler. Resistive mufflers have a good muffler effect on medium and high frequencies.

There are many types of resistive mufflers. At present, there are two main types of mufflers used in low-noise projects in computer rooms: straight pipe mufflers and chip mufflers. The noise reduction performance is mainly related to the channel form, length and the performance of the sound absorbing material. Among them, the straight pipe muffler is a relatively simple resistive muffler.

Design advantages and characteristics of power generator silencers

1. Correct and reasonable selection of the structural form of the resistive muffler

For the occasions with large air volume and large size air intake and exhaust requirements, the chip muffler should be selected. For the air intake and exhaust occasions with high requirements for noise reduction and large air pressure margin, the folded plate or multi-chamber muffler should be selected. Occasion can choose a hundred-page muffler.

2. Correct selection of resistive sound-absorbing materials

The working principle of the power generator silencers  is different from other mufflers. The exhaust pressure of the generator set is low, but the exhaust temperature is high. Attention should be paid to the selection of sound-absorbing materials. The sound-absorbing filler cannot use ultra-fine glass rock wool. Practice has proved that ultra-fine glass rock wool Cotton is used at high temperature, and it is most likely to generate hot powder, and it will lose its sound-absorbing function after a long time. The sound-absorbing filler designed by our company is a special stainless steel wire mesh, which has a large volume of sound absorption, not only good sound-absorbing effect, but also long service life.