隔(ge)聲(sheng)(sheng)(sheng)(sheng)降噪(zao)技(ji)術(shu)隔(ge)聲(sheng)(sheng)(sheng)(sheng)是(shi)噪(zao)聲(sheng)(sheng)(sheng)(sheng)控(kong)制(zhi)中(zhong)的(de)(de)(de)(de)(de)技(ji)術(shu)之一，主要是(shi)用隔(ge)聲(sheng)(sheng)(sheng)(sheng)構件使(shi)聲(sheng)(sheng)(sheng)(sheng)源和接受(shou)者(zhe)分開，阻斷空氣聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)傳播，從而達到降噪(zao)目(mu)的(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)噪(zao)聲(sheng)(sheng)(sheng)(sheng)控(kong)制(zhi)技(ji)術(shu)。隔(ge)聲(sheng)(sheng)(sheng)(sheng)量是(shi)指透射聲(sheng)(sheng)(sheng)(sheng)強(qiang)與(yu)入射聲(sheng)(sheng)(sheng)(sheng)聲(sheng)(sheng)(sheng)(sheng)強(qiang)的(de)(de)(de)(de)(de)比值。在(zai)噪(zao)聲(sheng)(sheng)(sheng)(sheng)控(kong)制(zhi)工(gong)程中(zhong)，壓縮機噪(zao)聲(sheng)(sheng)(sheng)(sheng)治理(li)公司(si)，常用輕質多(duo)層(ceng)復合板(ban)，它是(shi)由幾層(ceng)面密度或性質不同的(de)(de)(de)(de)(de)板(ban)材(cai)組成的(de)(de)(de)(de)(de)復合隔(ge)聲(sheng)(sheng)(sheng)(sheng)結構，通常是(shi)用金屬或非金屬的(de)(de)(de)(de)(de)堅(jian)實薄板(ban)做(zuo)護(hu)面層(ceng)，內部覆蓋阻尼材(cai)料(liao)。

某生產車(che)(che)間如燃(ran)氣輪(lun)機(ji)、電動機(ji)、空氣壓(ya)(ya)縮機(ji)、離心風(feng)機(ji)、液壓(ya)(ya)油泵、沖壓(ya)(ya)模具、板金、柴油發(fa)動機(ji)試生產車(che)(che)間等(deng)強噪(zao)聲(sheng)(sheng)(sheng)生產車(che)(che)間，總體噪(zao)聲(sheng)(sheng)(sheng)水準很。根(gen)據(ju)消(xiao)聲(sheng)(sheng)(sheng)量確定消(xiao)聲(sheng)(sheng)(sheng)器(qi)長(chang)(chang)度(du)和(he)消(xiao)聲(sheng)(sheng)(sheng)彎(wan)頭(tou)的(de)數量。消(xiao)聲(sheng)(sheng)(sheng)器(qi)有效長(chang)(chang)度(du)長(chang)(chang)，采用(yong)消(xiao)聲(sheng)(sheng)(sheng)彎(wan)頭(tou)時，消(xiao)聲(sheng)(sheng)(sheng)效果好，但壓(ya)(ya)力(li)損失大，較高的(de)氣流速度(du)又(you)會產生新的(de)噪(zao)聲(sheng)(sheng)(sheng)。水泥廠的(de)噪(zao)聲(sheng)(sheng)(sheng)主(zhu)要(yao)是(shi)設備噪(zao)聲(sheng)(sheng)(sheng)，包(bao)括風(feng)機(ji)、球磨、車(che)(che)間等(deng)，其(qi)影響范(fan)圍包(bao)括廠房(fang)、廠區(qu)及周(zhou)邊住宅(zhai)區(qu)，本文小編為大家介紹的(de)降噪(zao)主(zhu)要(yao)是(shi)通(tong)過噪(zao)聲(sheng)(sheng)(sheng)設備降噪(zao)和(he)傳輸途徑進行(xing)的(de)。

多功能廳(ting)的噪音治(zhi)理電聲(sheng)(sheng)(sheng)系統聲(sheng)(sheng)(sheng)學(xue)特性(xing)(xing)指(zhi)標采用(yong)語言和音樂兼用(yong)的電聲(sheng)(sheng)(sheng)系統二級聲(sheng)(sheng)(sheng)學(xue)特性(xing)(xing)，為此多功能廳(ting)電聲(sheng)(sheng)(sheng)系統聲(sheng)(sheng)(sheng)學(xue)特性(xing)(xing)指(zhi)標為:1。聲(sheng)(sheng)(sheng)壓級(空場穩態準峰值(zhi)聲(sheng)(sheng)(sheng)壓級dB)125-4000Hz范(fan)圍內(nei)平(ping)均(jun)聲(sheng)(sheng)(sheng)壓級大于或(huo)等(deng)(deng)于93dB2。傳(chuan)輸頻率特性(xing)(xing)63-8000Hz，以125-4000Hz的平(ping)均(jun)聲(sheng)(sheng)(sheng)壓級為0dB，允(yun)許(xu)偏差(cha)值(zhi)為+4至-12dB，且在(zai)125-40000Hz內(nei)小于或(huo)等(deng)(deng)于正負4dB。