北京市劳动保护科学研究所和89003部队研制的四季青噪声控制设备厂生产的一种消声、隔声新型噪声控制设备,简称为 ZK4消声箱。它既可消除工业企业和地下建筑使用的空气动力性噪声,又可治理空调系统的噪声源。 特点 消声箱的特点,从声学上分析,它是多种噪声控制技术在工程中的综 Beijing Institute of Labor Protection and 89,003 troops developed Sijiqing noise control equipment factory production of a noise, noise of new noise control equipment, referred to as ZK4 anechoic chamber. It can eliminate the aerodynamic noise used by industrial enterprises and underground buildings, as well as the noise sources of air-conditioning systems. Features The anechoic chamber features, from acoustical analysis, it is the synthesis of a variety of noise control techniques in engineering