Project introduction: the noise generated by the equipment on the equipment floor of xiamen auspicious wyndham grand hotel is 60db-95db. Below the equipment floor is the entertainment office space, and above is the hotel room. So there is the problem of noise overshoot.

Treatment measures: according to the height of the equipment layer and pipe layout installation characteristics, sound absorption ceiling needs to be reserved for a certain height of the installation of equipment, pipe will bring a certain height restrictions, so it is used 20mm-25mm thick inorganic fiber spraying. The wall adopts perforated aluminum plate with certain perforation rate, and its thickness meets the requirements of absorption, sound insulation and stability. The selection of sound absorption cotton is the key, the use of highly efficient porous ultra-fine glass cotton.

Control effect: after setting the noise reduction measures, the noise emission in the downstairs room shall be carried out according to the noise emission standard of social living environment.