消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)墊(dian)(dian)?消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)墊(dian)(dian)是降(jiang)(jiang)低(di)冷(leng)卻(que)塔(ta)淋水噪聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)有效(xiao)辦法?消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)墊(dian)(dian)可用(yong)(yong)(yong)金屬(shu)的(de)(de)(de)(de)(de)網墊(dian)(dian)?天然(ran)纖(xian)維墊(dian)(dian)?透水性(xing)能好(hao)的(de)(de)(de)(de)(de)泡(pao)沫塑料(liao)墊(dian)(dian)等(deng)多孔材料(liao)制作(zuo)?將消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)墊(dian)(dian)鋪(pu)放(fang)在(zai)(zai)冷(leng)卻(que)塔(ta)的(de)(de)(de)(de)(de)下(xia)塔(ta)體(ti)用(yong)(yong)(yong)金屬(shu)網支撐或鋪(pu)放(fang)在(zai)(zai)接水盤上(shang)(shang)，海(hai)南降(jiang)(jiang)噪設(she)備(bei)，能降(jiang)(jiang)低(di)淋水噪聲(sheng)(sheng)(sheng)(sheng)5~10dB(A)?對(dui)于采(cai)用(yong)(yong)(yong)直接空冷(leng)方式的(de)(de)(de)(de)(de)冷(leng)卻(que)系統，空冷(leng)平臺(tai)的(de)(de)(de)(de)(de)風機噪聲(sheng)(sheng)(sheng)(sheng)影響較大?為保(bao)證足(zu)夠(gou)的(de)(de)(de)(de)(de)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)量和(he)較小(xiao)的(de)(de)(de)(de)(de)壓力損失，工(gong)業降(jiang)(jiang)噪設(she)備(bei)廠，建(jian)議采(cai)用(yong)(yong)(yong)陣列(lie)式消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)，宜根據空冷(leng)平臺(tai)的(de)(de)(de)(de)(de)降(jiang)(jiang)噪需求進行消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)的(de)(de)(de)(de)(de)合理設(she)計，普通(tong)的(de)(de)(de)(de)(de)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)器(qi)應當具備(bei)15dB(A)以(yi)上(shang)(shang)的(de)(de)(de)(de)(de)插(cha)入損失和(he)較小(xiao)的(de)(de)(de)(de)(de)壓力損失?。

家庭噪(zao)(zao)聲(sheng)(sheng)(sheng)對(dui)耳朵損(sun)害也(ye)不容忽視一提起噪(zao)(zao)聲(sheng)(sheng)(sheng)損(sun)害，受(shou)斥責的往往總是(shi)工業噪(zao)(zao)聲(sheng)(sheng)(sheng)、交通噪(zao)(zao)聲(sheng)(sheng)(sheng)，而對(dui)于室內的家電噪(zao)(zao)聲(sheng)(sheng)(sheng)，人(ren)們(men)卻(que)采取聽(ting)之任之的寬恕情緒。殊不知家電噪(zao)(zao)聲(sheng)(sheng)(sheng)比(bi)起交通噪(zao)(zao)聲(sheng)(sheng)(sheng)和(he)工業噪(zao)(zao)聲(sheng)(sheng)(sheng)來，同(tong)樣是(shi)毫不遜(xun)色(se)的無形(xing)殺1手。看(kan)一看(kan)各(ge)種家電的噪(zao)(zao)聲(sheng)(sheng)(sheng)程度，降噪(zao)(zao)設(she)備(bei)公司，就知道它們(men)都不可小(xiao)看(kan):洗衣機(ji)馬(ma)達的噪(zao)(zao)聲(sheng)(sheng)(sheng)可達70分貝，窗式(shi)空調的噪(zao)(zao)聲(sheng)(sheng)(sheng)通常為(wei)65分貝，吸塵(chen)器的噪(zao)(zao)聲(sheng)(sheng)(sheng)一般(ban)在(zai)75分貝左右。冰箱發出(chu)的低頻噪(zao)(zao)聲(sheng)(sheng)(sheng)由于跟人(ren)的心跳頻率接近，機(ji)房降噪(zao)(zao)設(she)備(bei)廠家，因此更容易(yi)引起心血1管病變(bian)，老年人(ren)尤其容易(yi)受(shou)到它的損(sun)害。

阻尼(ni)與隔(ge)(ge)(ge)振(zhen)：機(ji)械(xie)振(zhen)動(dong)必引(yin)起噪(zao)聲(sheng)，采用(yong)阻尼(ni)與隔(ge)(ge)(ge)振(zhen)措(cuo)施能有(you)效降(jiang)低(di)機(ji)械(xie)噪(zao)聲(sheng)。阻尼(ni)是(shi)利用(yong)強(qiang)黏滯(zhi)性的高分(fen)子材(cai)料(liao)，涂于(yu)金屬板上，使板材(cai)彎曲振(zhen)動(dong)能量轉(zhuan)換成(cheng)熱能而耗損。隔(ge)(ge)(ge)振(zhen)則(ze)是(shi)采取一(yi)定措(cuo)施防止振(zhen)動(dong)的機(ji)械(xie)與其他剛性結構直接連接，如使用(yong)彈簧、膠墊等彈性物間接連接，降(jiang)低(di)振(zhen)動(dong)的傳遞而減弱噪(zao)聲(sheng)。隔(ge)(ge)(ge)振(zhen)要求隔(ge)(ge)(ge)振(zhen)系(xi)(xi)統(tong)的固有(you)頻率遠(yuan)遠(yuan)低(di)于(yu)機(ji)械(xie)振(zhen)動(dong)系(xi)(xi)統(tong)的頻率，避免產生共振(zhen)作用(yong)。對隔(ge)(ge)(ge)振(zhen)材(cai)料(liao)的要求有(you)耐壓、耐高溫、耐潮(chao)、耐腐蝕等。