武汉通风机消声器研究所、机械工业部设计研究总院、中国建筑科学研究院物理研究所共同协作,研制成功ZDL型中低压离心通风机系列消声器。 这种系列消声器为阻性片式系列消声器,系根据中低压离心通风机流量范围大、机号庞杂、压头低、在低频噪声范围内占有多种频道等特点设计的 Wuhan Fan muffler Institute, the Ministry of Machinery Industry Design and Research Institute, Institute of Physics, China Academy of Building Research to work together to develop ZDL series of low-pressure centrifugal fan series muffler. This series of muffler for the resistive chip series muffler, Department of low-pressure centrifugal fan based on the flow range of large, complex machine number, head pressure is low, in the low frequency noise range occupies a variety of channels and other characteristics of the design