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隔声罩
In stock 
产品简介 隔声罩是用隔声结件将噪声源(产生噪声的机械设备)罩在一个较小的空间,使噪声很少传出来的一种噪声控制措施。隔声罩的形状常设计成接近声源的外廓,并且尽量紧靠声源安装,使其体积缩小,降低造价。 吸音隔声罩的应用相当广,风机、水泵等各类声源设备等等很多声源治理会应用到这个隔声吸音产品。它主要的设计原理是从声波的传播路径上对噪声源进行有效有的治理。由于每种声源设备的外部尺寸、通风
Group: Media players
发电机房降噪室
In stock 
产品介绍: 发电机组运行时,通常会产生95~128 db(a)的噪声。如果不采取必要的降噪措施, 机组运行的噪声将对周围环境造成严重损害。为了保护和改善环境质量,必须对噪声进行控制。 柴油发电机组的主要噪声源均为柴油机产生,包括排气噪声、机械噪声和燃烧噪声、冷却风扇和排风噪声、进风噪声、发电机噪声、地基振动的传递所产生的噪声等: 1、 排气噪声。排气噪声是一种高温、高速的脉动性气流噪声,是发动机
Group: Generator
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