Noise reduction measures for a drying system in a nuclear power plant

Presents the noise reduction process of a drying system in a nuclear power plant. Based on the field measurements of sound pressure levels, preliminarily analyses the noise source, gives the suggestions of noise reduction, and verifies the effective noise reduction of the proposed scheme by experiments. Identifies the main noise sources on the basis of several measurements and tests, and puts forward the suggestions of reducing the airflow rate of drying processing, increasing the air supply temperature and reducing the noise level based on the limit of drying time. The results show that the A-weighted sound pressure level of adjacent area is reduced from 90 dB to 85 dB.