午夜无码十八禁在线观看_黄色软件抖阴_高清露脸对白啪啪_国产午夜亚洲精品不卡网站_伊人中文字幕无码久久综合_女18一级大黄毛片免费女人_国产亚洲香蕉视频中文字一区二区_綜合精品自拍亂倫_国产超薄肉丝袜视频在线观看_男人的天堂亚洲无码

Chenhong technology (xiamen) co. LTD

Column:Building noise control Time:2019-09-24
shared:

Project introduction


In chenhong technology (xiamen) co., LTD., the fan and water pump in the workshop and waste water treatment station produce great noise during operation. All the surrounding areas of the factory are close to the sensitive points of residents, and the nearest sensitive point is less than 10m away from the factory boundary. When these devices are in operation, they produce great noise, which seriously affects the living environment of surrounding residents.


Install an acoustic enclosure and muffler at the main noise source in the workshop, an acoustic barrier near the wall of the waste water treatment station, and an acoustic enclosure around the blower. Project implementation after the factory bound near residential areas around 1 m outside the red line, to meet the emission of environmental noise within the boundary of industrial enterprises "the Ⅱ GB12348-2008 standard. Namely, daytime ≤60dB(A) and night ≤50dB(A).

Project introduction


In chenhong technology (xiamen) co., LTD., the fan and water pump in the workshop and waste water treatment station produce great noise during operation. All the surrounding areas of the factory are close to the sensitive points of residents, and the nearest sensitive point is less than 10m away from the factory boundary. When these devices are in operation, they produce great noise, which seriously affects the living environment of surrounding residents.


Install an acoustic enclosure and muffler at the main noise source in the workshop, an acoustic barrier near the wall of the waste water treatment station, and an acoustic enclosure around the blower. Project implementation after the factory bound near residential areas around 1 m outside the red line, to meet the emission of environmental noise within the boundary of industrial enterprises "the Ⅱ GB12348-2008 standard. Namely, daytime ≤60dB(A) and night ≤50dB(A).