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class="col-xs-6 col-sm-6 list"> 供貨總量：不限 </div> <div id="rr57hbtxj3x" class="col-xs-6 col-sm-6 list"> 價格說明：議定 </div> <div id="rr57hbtxj3x" class="col-xs-6 col-sm-6 list"> 包裝說明：不限 </div> <div id="rr57hbtxj3x" class="col-xs-6 col-sm-6 list"> 物流說明：貨運及物流 </div> <div id="rr57hbtxj3x" class="col-xs-6 col-sm-6 list"> 交貨說明：按訂單 </div> <div id="rr57hbtxj3x" class="col-xs-6 col-sm-6 list"> 有效期至：長期有效 </div> </div> <div id="rr57hbtxj3x" class="introduce"> <p style="text-indent:25px;font-size:14px;">為了使冷卻塔噪聲值達(dá)到標(biāo)準(zhǔn)，建議設(shè)置冷卻塔隔聲屏障，由于冷卻塔隔聲屏障較高，且考慮到工程投資及抗風(fēng)、抗震等因素。影響隔聲墻體隔聲量的主要原因有:材料的厚度、材料的密度、聲學(xué)空腔、密封性等?？紤]到吻合效應(yīng)，常采用多層復(fù)合結(jié)構(gòu)作為隔聲材料。工業(yè)噪聲一般聲源及影響范圍較為固定和作用的時間比較持久連續(xù)，隨著大眾對環(huán)保和自身合法權(quán)益意識的提高，企業(yè)面臨噪聲超標(biāo)處理的迫切性也越來越強。</p><p style="text-align:center;"><img src="http://admin.img.dns4.cn/pic/284063/p4/20200617183311_0237_zs_sy.jpg" align="center" /></p><div class="rr57hbtxj3x" id='div_zsDIV'><div style="text-align:center"><img style="max-width:100%;" src="http://web.img.dns4.cn/heropic/284063/p1/20190626175646_9982_zs_sy.jpg" /><br /> <img style="max-width:100%;" src="http://web.img.dns4.cn/heropic/284063/p1/20190626175648_8962_zs_sy.jpg" /><br /> <img style="max-width:100%;" src="http://web.img.dns4.cn/heropic/284063/p1/20190626175648_3812_zs_sy.jpg" /><br /> <img style="max-width:100%;" src="http://web.img.dns4.cn/heropic/284063/p1/20190626175647_8682_zs_sy.jpg" /><br /> <img style="max-width:100%;" src="http://web.img.dns4.cn/heropic/284063/p1/20190626175647_3532_zs_sy.jpg" /><br /></div></div><br /><p style="text-indent:25px;font-size:14px;">消聲器是一種既能使氣流通過又能有效地降低噪聲的設(shè)備。通?？捎孟暺鹘档透鞣N空氣動力設(shè)備的進(jìn)出口或沿管道傳遞的噪聲。降噪處理措施：吸聲：使用多孔材料如玻璃棉、三聚qing胺、碳纖維等吸聲材料，裝飾在室內(nèi)墻壁、空間上部等，或者制成吸聲體。機械設(shè)備運轉(zhuǎn)產(chǎn)生的噪聲其傳播方式有兩種：一種是在空氣中傳播，稱為空氣聲。</p><p style="text-align:center;"><img src="http://admin.img.dns4.cn/pic/284063/p4/20200617183311_5549_zs_sy.jpg" align="center" /></p><p style="text-indent:25px;font-size:14px;">隔聲設(shè)計：隔聲墻：利用磚墻將發(fā)電機房封閉，墻厚240mm。隔聲門：為保證機房的噪聲不被通道口外傳，所以要在通道所在位置設(shè)置隔聲門。門體為雙層鋼板復(fù)合結(jié)構(gòu)，內(nèi)填吸聲巖棉，邊框在門縫處包毛氈，起到有效的密封作用。管道、電纜穿墻用超細(xì)玻璃棉填交,實施軟接觸,防止固體噪聲波傳播。吸聲體設(shè)計:吸聲天花：由于發(fā)電機的噪聲是立體的往四周輻射，而地面的吸聲系數(shù)非常小，它會把聲波漫反射到吊頂?shù)奶旎āＬ旎ㄊ遣捎梦曁旎埞?，上?0 mm厚的吸音棉作吸聲材料。穿孔率>20%的鋁扣天花板作為護(hù)面吸聲材料。</p><p style="text-align:center;"><img src="http://admin.img.dns4.cn/pic/284063/p4/20200617183314_1956_zs_sy.jpg" align="center" /></p> </div> <div id="rr57hbtxj3x" class="m-g-links"> <p class="next">上一條：<a title="南京隔音降噪工程-藍(lán)鷗環(huán)保|噪音治理" href="supply_details_1637399159.html ">南京隔音降噪工程-藍(lán)鷗環(huán)保|噪音治理</a></p> <p class="next">下一條：<a title="藍(lán)鷗|環(huán)保工程(圖)-水泵降噪工程-蚌埠降噪工程" href="supply_details_1838999808.html ">藍(lán)鷗|環(huán)保工程(圖)-水泵降噪工程-蚌埠降噪工程</a></p> </div> </div> <div id="rr57hbtxj3x" class="c-con"> <div id="rr57hbtxj3x" class="m-card"> <div id="rr57hbtxj3x" class="cw-tp clearfix"> <div id="rr57hbtxj3x" class="c-logo pull-left"> 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