人耳聽(ting)到的(de)聲(sheng)(sheng)(sheng)音(yin)為直(zhi)達聲(sheng)(sheng)(sheng)與混(hun)(hun)響(xiang)聲(sheng)(sheng)(sheng)的(de)疊(die)加。如果在室內(nei)天花、墻壁、地(di)板和隔聲(sheng)(sheng)(sheng)屏障的(de)吸聲(sheng)(sheng)(sheng)部分(fen)等界面(mian)布(bu)置吸聲(sheng)(sheng)(sheng)材料(liao)或(huo)吸聲(sheng)(sheng)(sheng)構造，冷卻塔降噪(zao)(zao)廠(chang)家，吸收掉部分(fen)反射聲(sheng)(sheng)(sheng)能，可(ke)使得混(hun)(hun)響(xiang)聲(sheng)(sheng)(sheng)減弱，這就是吸聲(sheng)(sheng)(sheng)降噪(zao)(zao)的(de)原理。一(yi)般檢測點選擇在噪(zao)(zao)聲(sheng)(sheng)(sheng)敏(min)感建筑(zhu)物戶外，距墻壁或(huo)窗戶1m處、距離(li)地(di)面(mian)高度1.2m以(yi)上。隔音(yin)材料(liao)是將(jiang)(jiang)噪(zao)(zao)聲(sheng)(sheng)(sheng)源(yuan)和接收者隔絕開來，阻擋聲(sheng)(sheng)(sheng)音(yin)的(de)傳播，使透過的(de)聲(sheng)(sheng)(sheng)能盡可(ke)能的(de)減小。將(jiang)(jiang)兩個(ge)空間(jian)內(nei)的(de)聲(sheng)(sheng)(sheng)音(yin)進行(xing)隔斷，使得一(yi)個(ge)空間(jian)內(nei)的(de)聲(sheng)(sheng)(sheng)音(yin)無法傳播到其他空間(jian)。

方案(an)整(zheng)體需(xu)要考慮到技術是(shi)(shi)否可(ke)(ke)行，冷卻塔(ta)降(jiang)噪(zao)報(bao)價，價格是(shi)(shi)否在(zai)客戶所接(jie)受的范圍內等，根(gen)據整(zheng)體情況制(zhi)定(ding)一(yi)套或多套合理的方案(an)供客戶選擇(ze)。環境噪(zao)聲(sheng)污染(ran)一(yi)般是(shi)(shi)由聲(sheng)源、傳播(bo)途(tu)徑和受主(zhu)三(san)個(ge)基(ji)本環節組成的。因此，冷卻塔(ta)降(jiang)噪(zao)治理方法(fa)，噪(zao)聲(sheng)治理必須把(ba)這三(san)個(ge)環節作為一(yi)個(ge)系(xi)統進(jin)行研究。聲(sheng)源可(ke)(ke)以是(shi)(shi)單個(ge)，也(ye)可(ke)(ke)以是(shi)(shi)多個(ge)同時作用;傳播(bo)途(tu)徑也(ye)常不(bu)只(zhi)一(yi)條(tiao)，且(qie)非固(gu)定(ding)不(bu)變;受主(zhu)可(ke)(ke)能是(shi)(shi)人，也(ye)可(ke)(ke)能是(shi)(shi)若干靈敏(min)設備(bei)，對(dui)噪(zao)聲(sheng)的反應也(ye)各不(bu)相同。

制(zhi)定(ding)好的(de)(de)噪音(yin)治理，采用(yong)的(de)(de)隔音(yin)板(ban)(ban)、隔音(yin)屏障(zhang)、吸(xi)(xi)音(yin)板(ban)(ban)材(cai)料(liao)來阻止、隔聲(sheng)(sheng)(sheng)(sheng)、吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)和建筑(zhu)等(deng)來措施(shi)將(jiang)(jiang)傳播中的(de)(de)聲(sheng)(sheng)(sheng)(sheng)能(neng)吸(xi)(xi)收(shou)掉(diao)，或者設(she)置障(zhang)礙使聲(sheng)(sheng)(sheng)(sheng)音(yin)全部(bu)或部(bu)分反(fan)射(she)出去。在(zai)(zai)雙方確定(ding)好方案(an)簽署合(he)同后，在(zai)(zai)日期內(nei)(nei)將(jiang)(jiang)材(cai)料(liao)、施(shi)工(gong)設(she)備(bei)運抵施(shi)工(gong)現(xian)場，施(shi)工(gong)人員進場作業。整個工(gong)程施(shi)工(gong)時嚴格按照設(she)計方案(an)進行，合(he)肥冷卻塔降噪，根據工(gong)程量(liang)大小制(zhi)定(ding)施(shi)工(gong)周期，在(zai)(zai)約(yue)定(ding)時間內(nei)(nei)完成。人耳聽到的(de)(de)聲(sheng)(sheng)(sheng)(sheng)音(yin)為直(zhi)達聲(sheng)(sheng)(sheng)(sheng)與(yu)混(hun)響(xiang)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)疊加(jia)。如果在(zai)(zai)室內(nei)(nei)天花、墻壁、地板(ban)(ban)和隔聲(sheng)(sheng)(sheng)(sheng)屏障(zhang)的(de)(de)吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)部(bu)分等(deng)界面(mian)布置吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)材(cai)料(liao)或吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)構(gou)造，吸(xi)(xi)收(shou)掉(diao)部(bu)分反(fan)射(she)聲(sheng)(sheng)(sheng)(sheng)能(neng)，可使得混(hun)響(xiang)聲(sheng)(sheng)(sheng)(sheng)減(jian)弱，這就是吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)降噪的(de)(de)原(yuan)理。