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消(xiao)聲靜壓箱
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消聲靜壓箱

  • 消聲靜壓箱

靜壓箱是送風系統減(jian)少(shao)動壓、增加靜壓、穩定氣流和減(jian)少(shao)氣流振動的一種(zhong)必(bi)要的配件,它(ta)可使送風效果更加理想。靜壓箱是一種(zhong)既能(neng)允(yun)許氣流通過,又能(neng)有效地阻止或減(jian)弱聲(sheng)能(neng)向(xiang)外(wai)傳(chuan)播的裝置。 

詳細介紹(shao)
靜(jing)(jing)壓(ya)箱是(shi)送(song)風系(xi)統減(jian)少動(dong)壓(ya)、增加靜(jing)(jing)壓(ya)、穩定(ding)氣(qi)流(liu)(liu)和減(jian)少氣(qi)流(liu)(liu)振動(dong)的(de)一種必要(yao)的(de)配件,它可使送(song)風效果更加理(li)想(xiang)。靜(jing)(jing)壓(ya)箱是(shi)一種既能(neng)允(yun)許(xu)氣(qi)流(liu)(liu)通過(guo),又能(neng)有效地阻止或減(jian)弱聲能(neng)向外傳播的(de)裝置。
消聲分類(lei):
1、阻(zu)式消(xiao)聲(sheng)器(qi):是(shi)通(tong)過箱體內附吸(xi)聲(sheng)材(cai)料(liao)來吸(xi)收聲(sheng)能(neng)降低噪音,一般是(shi)用來消(xiao)除高(gao)、中頻噪聲(sheng)。但是(shi)由(you)于結構的(de)(de)原因,在高(gao)溫、高(gao)濕、高(gao)速的(de)(de)情況下不(bu)適用。
2、抗式消(xiao)聲器(qi):是通過改變截面來消(xiao)聲的。我(wo)們常用的消(xiao)聲靜壓箱都是這個原理。一(yi)般(ban)降低中、低頻噪音,對風(feng)系(xi)統沒有具體的要求。
3、阻(zu)(zu)(zu)抗復合式(shi)(shi):當然是結合二者(zhe)的(de)結構原理(li)。可(ke)以消(xiao)(xiao)(xiao)(xiao)除(chu)低(di)(di)中(zhong)高(gao)頻(pin)(pin)噪(zao)音(yin)。但是對風系(xi)統的(de)要(yao)求同阻(zu)(zu)(zu)式(shi)(shi)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)。阻(zu)(zu)(zu)性(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)具有良好(hao)(hao)的(de)中(zhong)高(gao)頻(pin)(pin)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)(xing)(xing)能(neng)。按氣(qi)流通道幾(ji)何形狀不同,可(ke)分為(wei)直(zhi)管(guan)式(shi)(shi)、片式(shi)(shi)、折板(ban)式(shi)(shi)、迷宮式(shi)(shi)、蜂(feng)窩式(shi)(shi)、聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)流式(shi)(shi)、障(zhang)板(ban)式(shi)(shi)、彎頭(tou)(tou)式(shi)(shi)等。抗性(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)適用(yong)于(yu)消(xiao)(xiao)(xiao)(xiao)除(chu)中(zhong)低(di)(di)頻(pin)(pin)噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)或窄帶噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)。按其作用(yong)原理(li)不同,可(ke)分為(wei)擴張式(shi)(shi)、共振腔(qiang)式(shi)(shi)和(he)干涉式(shi)(shi)等多(duo)種型式(shi)(shi)。阻(zu)(zu)(zu)抗復合式(shi)(shi)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi),有共振腔(qiang)、擴張室、穿孔屏等聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)學濾波器(qi)(qi)(qi)件,綜(zong)合了(le)阻(zu)(zu)(zu)性(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)良好(hao)(hao)的(de)中(zhong)高(gao)頻(pin)(pin)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)特性(xing)(xing)(xing)和(he)阻(zu)(zu)(zu)抗性(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)較好(hao)(hao)的(de)低(di)(di)頻(pin)(pin)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)特性(xing)(xing)(xing),因(yin)此其消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)頻(pin)(pin)帶寬,它是常用(yong)的(de)標準消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)系(xi)列之一(yi)。適宜風速為(wei)6~8米/秒,可(ke)達到8~12米,可(ke)單獨使(shi)用(yong),也可(ke)串聯使(shi)用(yong)。消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)效果:低(di)(di)頻(pin)(pin)10~15dB/m,中(zhong)頻(pin)(pin)15~25dB/m,高(gao)頻(pin)(pin)25~30dB/m,平(ping)均阻(zu)(zu)(zu)力系(xi)數為(wei)0.4。根據《空(kong)氣(qi)調節》,消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)彎頭(tou)(tou)、消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)靜壓箱均屬于(yu)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)(qi)的(de)一(yi)種。
靜壓(ya)箱作用:
1、可以把部分動壓(ya)變(bian)為靜壓(ya)使風吹得更遠;
2、可以(yi)降(jiang)低(di)噪音(yin);
3、風量均勻分配;
4、靜壓(ya)箱可用來減少噪聲,又可獲得(de)均勻的(de)靜壓(ya)出風(feng),減少動(dong)壓(ya)損失。而且還有接頭的(de)作(zuo)用。把靜壓(ya)箱很好地應(ying)用到通風(feng)系統中,可提(ti)高(gao)通風(feng)系統的(de)綜合性能;
(此內容由jbbxjt.cn提供)
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