最正规的棋牌游戏平台

冷却塔降噪工程我们有什么优势

冷却塔降噪工程我们有什么优势

冷却塔的作用:

最正规的棋牌游戏平台 LENGQUETAJIANDANLAISHUOJIUSHIYIZHONGYONGLAIJIANGDISHUIWENDEZHENGFASANREZHUANGZHI,TASHIXIANLELENGQUESHUIXUNHUANLIYONG,DADAJIANSHAOLEREJIAOHUANXITONGDUILENGQUESHUIDEXIAOHAO。YINCILENGQUETAZAIGONGYEHEMINYONGJIANZHUDENGLINGYUDEDAOLEGUANGFANYINGYONG,BINGQIEWEIJIESHUISHIYEZUOCHULEZHONGDAGONGXIAN。

冷却塔噪声主要污染源:
1、动力系统运行所产生的低频噪声,其噪声频率特征为低频甚至次声,由于其波长长,穿透能力很强,所以传播距离很远。尤其63Hz以下的低频噪声如采取一般的吸声、消声降噪手段处理基本已经失效。
2、电机、减速箱轴承磨损噪声,动力系统刚性连接产生的振动噪声。
3、内部空腔混响噪声通过侧板和填料面辐射出去。
4、播淋水声,频率特征为中高频,源强衰减较快。

冷却塔降噪材料:

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