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Hefei Caihong Fan Room Acoustic Enclosure Case Study


Project Overview

This indoor fan room noise reduction project was built for Caihong in Hefei, Anhui. High-power fans inside the workshop generate heavy aerodynamic and vibration noise, affecting on-site working environment. We supplied full fan room acoustic enclosure solution, including acoustic panel manufacturing, soundproof door & observation window fabrication, ventilation acoustic louvers and on-site assembly. The industrial acoustic enclosure isolates noise while ensuring normal fan heat dissipation.



 


Noise Sources & Challenges

Main noise sources:

· Fan blade aerodynamic noise

· Motor mechanical vibration noise

· Pipeline airflow noise

Project challenges: The enclosed room must maintain sufficient air circulation to avoid fan overheating. Transparent observation windows and soundproof access doors were required for daily monitoring and equipment maintenance.



 




 


Custom Acoustic Enclosure Solution

Sound Absorption & Insulation Panels

Sandwich composite acoustic panels block medium & high frequency fan noise. Acoustic louvers are installed for air intake and exhaust.

Soundproof Doors & Observation Windows

Custom acoustic double doors and sound insulation viewing windows for inspection and operation observation.

Steel Frame Structure

Rigid steel support frame for stable long-term indoor industrial use.



 


Key Specifications

· Noise reduction: 18–24dB(A), meets factory occupational noise standard

· Acoustic louver ventilation without impact on fan performance

· Equipped with soundproof doors and viewing windows

· Modular assembly for fast construction



 


On-Site Installation

Modular fan room acoustic enclosure forms a fully enclosed sound isolation chamber inside the factory. Acoustic louvers handle airflow, while soundproof doors and windows reserve access and visual inspection.



 


Project Results

✅ Noise control: Fan room acoustic enclosure suppresses fan noise and improves workshop working conditions.

✅ Reliable operation: Ventilation design ensures fans run safely without overheating.

✅ Convenient inspection: Soundproof doors and viewing windows support routine monitoring and maintenance.

✅ Clean appearance: White panel finish integrates neatly with the factory interior.


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