消聲原理所設計排氣消聲器有哪些優點_新聞_連云港晨源環?？萍加邢薰?/title> <meta name="description" content="消聲原理所設計排氣消聲器有哪些優點"> <meta name="keywords" content="消聲原理所設計排氣消聲器有哪些優點有哪些優點"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1"> <meta name="applicable-device" content="pc"> <meta name="apple-mobile-web-app-title" content="消聲原理所設計排氣消聲器有哪些優點"> <meta name="application-name" content="連云港晨源環?？萍加邢薰?> 　1、<strong>排氣消聲器</strong>綜合了消聲原理所設計。一般是用厚度小于1mm的純金屬薄板制作，在薄板上用孔徑小于1mm的鉆頭穿孔，穿孔率為1%一3%。選擇不同的穿孔率和板厚不同的腔深，就可以控制消聲器的頻譜性能，使其在需要的頻率范圍內獲得良好的消聲效果。取得了良好效果。不使用任何阻性吸聲填料，采用微穿小孔多空腔結構，高壓氣流在消聲器內經多次控流進入空腔體，逐級改變原氣流的聲頻。阻力損失小，消聲頻帶寬，工作時不起塵。不怕油霧、水氣。耐高溫、耐高速氣流沖擊。<br/>　　2、排氣消聲器其吸聲系數高，吸收頻帶寬，壓力損失小，氣流再生噪聲低，且易于控制。為獲得寬頻帶高吸收效果，一般用三級微穿孔板結構。微穿孔板與外殼體之間以及微穿板之間的空腔尺寸大小按需要吸收的頻帶不同而異，低頻腔大(150～200mm),中頻小些(80～120mm)，高頻更小些(30～50mm)，雙層結構的前腔深度一般應小于后腔，前后腔深度之比不大于1：3，前部接近氣流的一層微穿孔板穿孔率應高于后層。<br/>　　3、排氣管道消音器當包含有各種頻率成分的聲波進入第一個短管時，只有在第一個網孔固有頻率附近的某些頻率的聲波才能通過網孔到達第二個短管口，而另外一些頻率的聲波則不可能通過網孔.只能在小室中來回反射，因此，我們稱這種對聲波有濾波功能的結構為聲學濾波器。選取適當的管和室進行組合.就可以濾掉某些頻率成分的噪聲，從而達到消聲的目的。適用于消除中、低頻噪聲。</p><p><br/>本文由連云港晨源環?？萍加邢薰菊戆l布　　<br/></p></div> <div class="fanye"> <span class="fl">上一條: <a href="http://www.chakyan-medicalgroup.com/news-383207">風機消聲器結構特點</a></span> <span class="fr">下一條: <a href="http://www.chakyan-medicalgroup.com/news-382752">購買鍋爐消聲器的幾大注意事項</a></a></span> </div> <div class="clear"></div> <div class="rnews clearfix"> <h3>相關新聞</h3> <ul> <li><a 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