摘要
通过对中央风井噪声源和频谱特性进行分析,根据声学和空气动力学原理,采用吸声、隔声的消音、降噪综合治理技术,降噪效果显著,为煤矿老风井噪声治理及新风井的设计提供了经验。
The article analyses the noise source and frequency score property of central air shafts. By the principles of acoustics and dynamics a comprehensive administering technique is adopted to cope with the noise emits - seriously - over - the standard. Shafts as a way of the elimination of sound absorption and insulation in addition to noise reduction. The remarkable effect provides experience in dealing with the noise problem of old air shafts and in designing new ones for mining.
