揚塵(chen)污(wu)染(ran)建(jian)鄴區(qu)華新城(cheng)工(gong)(gong)(gong)地正(zheng)在(zai)施(shi)工(gong)(gong)(gong)，居民(min)向省環保(bao)督察組(zu)投(tou)訴，工(gong)(gong)(gong)地早上6點(dian)開始施(shi)工(gong)(gong)(gong)，噪聲，且揚塵(chen)污(wu)染(ran)嚴重。建(jian)鄴區(qu)環保(bao)局和雙閘街道現(xian)場(chang)調查后發(fa)(fa)現(xian)，該工(gong)(gong)(gong)地將(jiang)拆(chai)卸下的混凝(ning)土塊通過研(yan)磨機(ji)打(da)碎成粉末，切割(ge)時(shi)產生噪聲，且露(lu)天堆放沒有覆(fu)蓋(gai)，揚塵(chen)污(wu)染(ran)。整(zheng)改要(yao)求建(jian)鄴區(qu)環保(bao)局立即對工(gong)(gong)(gong)地進(jin)行查處，要(yao)求施(shi)工(gong)(gong)(gong)方立即停(ting)止現(xian)場(chang)粉碎作業、對加工(gong)(gong)(gong)區(qu)進(jin)行封閉隔(ge)音、嚴禁露(lu)天粉碎作業，同時(shi)加強揚塵(chen)管(guan)控。但復查后發(fa)(fa)現(xian)工(gong)(gong)(gong)地只做(zuo)了部分整(zheng)改，仍存在(zai)加工(gong)(gong)(gong)物(wu)料沒有完全覆(fu)蓋(gai)、加工(gong)(gong)(gong)場(chang)地沒有清理保(bao)潔的情(qing)況。

安(an)裝(zhuang)(zhuang)工藝不(bu)到位都說大(da)(da)金中央空(kong)調(diao)(diao)(diao)是(shi)“三分質量，七(qi)分安(an)裝(zhuang)(zhuang)”由此(ci)可見工人(ren)安(an)裝(zhuang)(zhuang)技術(shu)性(xing)是(shi)左右(you)空(kong)調(diao)(diao)(diao)噪音(yin)的(de)一(yi)個較(jiao)(jiao)大(da)(da)因素，空(kong)調(diao)(diao)(diao)在使用時(shi)產生較(jiao)(jiao)大(da)(da)的(de)噪音(yin)，其(qi)實這些問題通(tong)常比較(jiao)(jiao)容(rong)易(yi)解決(jue)的(de)，主要還是(shi)在于工人(ren)的(de)服務態度(du)。解決(jue)方(fang)法：1、室外機安(an)裝(zhuang)(zhuang)位置(zhi)不(bu)當，空(kong)調(diao)(diao)(diao)降(jiang)噪處(chu)理，首先(xian)查明墻體結構，如(ru)為(wei)預制混凝土，而室內側(ce)又多(duo)為(wei)辦公場(chang)所或臥室、書房(fang)等，比較(jiao)(jiao)空(kong)洞，室內會(hui)產生回(hui)旋環繞聲，此(ci)屬(shu)建筑結構及房(fang)屋內裝(zhuang)(zhuang)飾效果產生，該例現象屬(shu)客觀因素條件。2、室外機底螺絲(si)受力不(bu)均勻，底板緊(jin)(jin)固(gu)螺釘(ding)松(song)動(dong)，在壓縮機運行時(shi)應振(zhen)動(dong)帶動(dong)機箱跳動(dong)引發噪音(yin)。用扳(ban)手緊(jin)(jin)固(gu)底腳螺絲(si)，同時(shi)均勻用力緊(jin)(jin)固(gu)，嚴禁將其(qi)中一(yi)個螺絲(si)先(xian)緊(jin)(jin)固(gu)到位，這樣會(hui)產生固(gu)定受力不(bu)均勻。

電(dian)梯低頻(pin)噪(zao)(zao)(zao)聲(sheng)(sheng)主(zhu)(zhu)要是通(tong)過結構傳播，盡量(liang)避(bi)免和噪(zao)(zao)(zao)聲(sheng)(sheng)設備(bei)的(de)(de)(de)剛(gang)性連接，使用軟性連接，避(bi)免共振噪(zao)(zao)(zao)聲(sheng)(sheng)。高層(ceng)電(dian)梯低頻(pin)噪(zao)(zao)(zao)音治(zhi)(zhi)理(li)(li)主(zhu)(zhu)要是針對電(dian)梯機房進(jin)行(xing)(xing)治(zhi)(zhi)理(li)(li)，在實(shi)際的(de)(de)(de)降噪(zao)(zao)(zao)項(xiang)目中(zhong)，電(dian)梯的(de)(de)(de)噪(zao)(zao)(zao)聲(sheng)(sheng)來源并不僅僅是機房里的(de)(de)(de)噪(zao)(zao)(zao)聲(sheng)(sheng)，還有(you)其(qi)他的(de)(de)(de)如井道、電(dian)梯上(shang)下(xia)運(yun)行(xing)(xing)產(chan)生的(de)(de)(de)噪(zao)(zao)(zao)聲(sheng)(sheng)等。所以電(dian)梯降噪(zao)(zao)(zao)要根據噪(zao)(zao)(zao)聲(sheng)(sheng)情(qing)況進(jin)行(xing)(xing)綜合(he)治(zhi)(zhi)理(li)(li)。更多噪(zao)(zao)(zao)音治(zhi)(zhi)理(li)(li)方法，請關注聲(sheng)(sheng)學。