
當前(qian)位(wei)置(zhi):首(shou)頁(ye) > 技(ji)術(shu)文(wen)章 > mch13.16科爾奇(qi)空(kong)氣(qi)壓縮機控(kong)制原(yuan)理(li)分(fen)析
mch13.16科爾(er)奇(qi)空氣壓縮機控(kong)制原(yuan)理(li)
空(kong)氣壓縮機是(shi)壹(yi)種用(yong)以(yi)壓縮氣(qi)體的(de)設(she)備(bei)。空氣(qi)壓縮機與(yu)水(shui)泵(beng)構(gou)造(zao)類似。大多數(shu)空(kong)氣壓縮機是(shi)往(wang)復(fu)活(huo)塞(sai)式,旋(xuan)轉(zhuan)葉片(pian)或(huo)旋(xuan)轉(zhuan)螺桿。離心(xin)式壓縮機是(shi)非(fei)常(chang)大的應(ying)用(yong)程序(xu)。
空(kong)壓機噪聲(sheng)的(de)控(kong)制主(zhu)要采(cai)用(yong)消(xiao)聲(sheng)器(qi)、消(xiao)聲(sheng)坑(keng)道和隔(ge)聲(sheng)技(ji)術(shu)三個方(fang)面(mian):




安裝消(xiao)聲(sheng)器(qi)
主(zhu)要噪聲(sheng)源(yuan)是(shi)進(jin)、排(pai)氣口,應選用(yong)適宜的(de)進(jin)排(pai)氣消(xiao)聲(sheng)器(qi)。空壓機進(jin)氣(qi)噪聲(sheng)的(de)頻(pin)譜呈(cheng)低(di)頻(pin)特性(xing),進(jin)氣(qi)消(xiao)聲(sheng)器(qi)應選用(yong)抗性結(jie)構或(huo)以(yi)個(ge)、抗(kang)性(xing)為主(zhu)的阻(zu)抗(kang)復(fu)合(he)式結(jie)構。空(kong)壓機的排(pai)氣氣(qi)壓大,氣流(liu)速(su)度(du)高(gao),應在(zai)空壓機排氣(qi)口使(shi)用(yong)小孔消(xiao)聲(sheng)器(qi) 。
設(she)置(zhi)消(xiao)聲(sheng)坑(keng)道
消(xiao)聲(sheng)坑(keng)道的(de)地(di)下或半(ban)地(di)下的坑(keng)道,坑(keng)道(dao)壁用(yong)吸聲(sheng)性(xing)好的(de)磚(zhuan)砌(qi)成(cheng)。把空(kong)壓機的進(jin)氣(qi)管和消(xiao)聲(sheng)坑(keng)道連(lian)接(jie),使(shi)空(kong)氣通(tong)過(guo)消(xiao)聲(sheng)坑(keng)道進(jin)入(ru)空(kong)壓機。采(cai)用(yong)消(xiao)聲(sheng)坑(keng)道可(ke)使空壓機的進(jin)氣(qi)噪聲(sheng)大大降低,使(shi)用(yong)壽命也比壹(yi)般消(xiao)聲(sheng)器(qi)長(chang) 。
建(jian)立(li)隔(ge)聲(sheng)罩

在(zai)空壓機的進(jin)、排(pai)氣口安裝消(xiao)聲(sheng)器(qi)或設(she)置(zhi)消(xiao)聲(sheng)坑(keng)道以(yi)後(hou),氣(qi)流(liu)噪聲(sheng)可(ke)以(yi)降到(dao)80db(a)以(yi)下,但(dan)空(kong)壓機的機械噪聲(sheng)和電機噪聲(sheng)仍(reng)然(ran)很高(gao),因(yin)此(ci)還應(ying)在(zai)空壓機的機組上安裝隔(ge)聲(sheng)罩。懸掛(gua)空(kong)間(jian)吸聲(sheng)體。若(ruo)在(zai)廠(chang)房頂棚分(fen)散懸掛(gua)吸(xi)聲(sheng)體,廠(chang)房的噪聲(sheng)可(ke)降低3-10db(a),混響時間(jian)降低5-10s 。
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