How to deal with loud noise from the new air duct?
2024-11-11
The main methods for dealing with noise from fresh air ducts include the following:
Choose an appropriate installation location: Install the fresh air unit away from rest areas, such as in a storage room or the ceiling of a bathroom, to minimize impact on the indoor environment.
Use shock-absorbing and soundproof materials: Use shock-absorbing hangers on the fresh air unit and apply soundproofing materials where conditions allow, to reduce vibration and noise transmission.
Use a static pressure box: A static pressure box can reduce dynamic pressure, increase static pressure, stabilize airflow, and reduce airflow vibration, thereby lowering noise.
Reasonably design duct layout: Avoid bends and unnecessary resistance in the duct design, choose appropriate duct diameter and materials to reduce friction and wind noise.
Use soundproof ducts: For equipment with higher static pressure, dedicated soundproof ducts can be used, which have multiple layers of sound-absorbing materials inside to effectively reduce noise.
Flexible hose connection: The connection between the fresh air unit and the duct should use a flexible hose to buffer the impact of the unit's vibrations on the duct.
The main causes of noise from fresh air ducts include:
Noise from the fresh air unit itself: The fan motor and airflow sound of the fresh air unit are the main sources of noise.
Improper duct design: Bends in the duct and high friction resistance due to poor design can lead to increased wind noise.
Installation quality: Unreasonable installation methods can also lead to increased noise.
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