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<a href="/list_4/">資訊中心</a> >> <a href="/list_5/">技術(shù)資訊</a> </div> </div> <div id="uq6coa6" class="details_ti"> <p class="details_ti">冷卻塔降噪方案設計</p> <div id="uuosuyy" class="details_ti_span"> <span>發(fā)布日期：2022-08-08</span> <span>瀏覽量：1197</span> <span>分享到：</span> <div id="8ews8kw" class="bdsharebuttonbox" data-bd-bind="1583844254878"> <a href="javascript:;" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="javascript:;" class="bds_qzone" data-cmd="qzone" title="分享到QQ空間"></a> <a href="javascript:;" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="javascript:;" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="javascript:;" class="bds_renren" data-cmd="tsina" title="分享到人人網(wǎng)"></a> <a href="javascript:;" class="bds_more" data-cmd="bds_more"></a> </div> </div> </div> <div id="aggu28m" class="details_size"> <p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">“冷卻塔(The cooling tower)是用水作為循環(huán)冷卻劑，從一系統中吸收熱量排放至大氣中，以降低水溫的裝置；其冷是利用水與空氣流動(dòng)接觸后進(jìn)行冷熱交換產(chǎn)生蒸汽，蒸汽揮發(fā)帶走熱量達到蒸發(fā)散熱、對流傳熱和輻射傳熱等原理來(lái)散去工業(yè)上或制冷空調中產(chǎn)生的余熱來(lái)降低水溫的蒸發(fā)散熱裝置，以保證系統的正常運行，裝置一般為桶狀，故名為冷卻塔。冷卻塔在運作過(guò)程中會(huì )產(chǎn)生排氣口風(fēng)扇噪聲、淋水噪聲、減速機和馬達噪聲、泵噪聲等等噪音。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔噪音治理主要是通過(guò)隔音和消聲來(lái)進(jìn)行的，使用的設備包括了隔聲屏障和消聲器，針對主要的氣動(dòng)噪聲和設備噪聲進(jìn)行處理，同時(shí)不同類(lèi)型的冷卻塔噪聲大小和類(lèi)型都不同，具體措施隔音降噪方案也不一樣的。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">現場(chǎng)噪音源分析</span></p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔噪聲源分析</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔是一種熱交換設備，它的聲源有三方面：其一是風(fēng)機噪聲，主要分為散熱風(fēng)機的機械噪聲和風(fēng)機進(jìn)排氣空氣動(dòng)力性噪聲，特性為低頻。其二是水泵、配管和閥門(mén)引起的塔體振動(dòng)，從而產(chǎn)生輻射噪聲。其三是冷凝器的布水系統和收水系統產(chǎn)生的落水噪聲。冷卻塔風(fēng)機噪聲頻譜一般呈低頻性，而典型的淋水噪聲頻譜特性呈寬頻帶。但是實(shí)際測得冷卻噪音的頻率較低，因此很多人認為冷卻塔的主要噪聲是風(fēng)機噪聲。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔風(fēng)機噪聲</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">安裝在冷卻塔上部的風(fēng)機主要是逆向抽出的，以此來(lái)達到降溫的目的。而風(fēng)機的高速旋轉會(huì )產(chǎn)生空氣動(dòng)力性噪聲，旋轉中的多個(gè)葉片作用于氣流，然后引起氣壓和運動(dòng)速度呈脈動(dòng)變化產(chǎn)生的，其旋轉部件的不平衡會(huì )導致結構發(fā)生振動(dòng)，從而產(chǎn)生振動(dòng)噪聲。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔落水噪聲</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔的循環(huán)水從上部噴淋管流下，經(jīng)過(guò)自由落體會(huì )產(chǎn)生沖擊噪聲，與落水速度的平方成正比，與撞擊水面的四次方成反比。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔塔體噪聲</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷卻塔塔體機械的噪聲主要來(lái)源于機器部件的振動(dòng)。機器的零件都會(huì )在工作中發(fā)生彈性變形，然后產(chǎn)生振動(dòng)。具有彈性的機械部件將振動(dòng)能量傳播到輻射表面時(shí)，就會(huì )經(jīng)過(guò)空氣傳播出去，形成機械噪聲。塔噪聲的頻率成分較復雜，噪聲在各頻段的能量都較大，且以低頻成分為主。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷凝機組噪聲分析</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">冷凝機組噪聲主要分為機組機械噪聲及風(fēng)扇的空氣動(dòng)力性噪聲</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">機械噪聲</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">機組的機械噪聲主要是機械內部零件摩擦，及壓力傳遞失衡造成的噪聲，我們稱(chēng)知為機械噪聲。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">空氣動(dòng)力性噪聲</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">空氣動(dòng)力性噪聲主要為空氣流動(dòng)拍打渦輪葉片，形成周期性噪聲，該噪聲頻譜主要為低頻性，低頻噪聲具有穿透能力強，隨距離衰減量小，對人體危害較大等特點(diǎn)。</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">我們設計的降噪方案</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">為確保周?chē)用駱谴巴庠肼曔_標，我們設計噪聲值為48 dB。我公司根據我們以往治理類(lèi)似項目的經(jīng)驗，結合現場(chǎng)實(shí)際情況制定如下治理措施：</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">1、冷卻塔噪聲治理措施：</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">(1) 冷卻塔排風(fēng)口設置60°導風(fēng)消聲彎頭，導風(fēng)方向背對居民樓;</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">(2) 冷卻塔兩側進(jìn)風(fēng)面設置隔聲屏障;</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">2、冷凝機組噪聲治理措施：</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">(1) 冷凝機組排風(fēng)口設置60°導風(fēng)消聲彎頭，導風(fēng)方向背對居民樓;</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">(2) 針對冷凝機組進(jìn)風(fēng)噪聲設置“U”型隔聲屏障;</p><p style="border: 0px; margin-top: 0.63em; margin-bottom: 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">在治理冷卻塔的噪音時(shí)是要根據設備具體噪聲情況，冷卻塔的具體工作情況，冷卻塔的搭建位置來(lái)具體落實(shí)降噪方案。所以要根據冷卻塔現場(chǎng)的空間大小、影響范圍、噪聲值等因素來(lái)設計降噪方案并制作針對性的降噪設備。</p><p><br/></p> </div> <div id="ykysqee" class="details_tui clearfix"> <div id="wsq08wi" class="fl"> </div> </div> <div id="w6igogg" class="case_tui clearfix"> <p>熱點(diǎn)資訊</p> <div id="s8qkqw8" class="case_tui_size"> <div id="eos0kyq" class="clearfix"> <a href="/list_5/120.html" >樓頂空調機組噪音治理方案</a> <span>2022-08-08</span> </div> <div id="kmqwyeq" class="clearfix"> <a href="/list_5/119.html" >冷卻塔降噪方案設計</a> <span>2022-08-08</span> </div> </div> <div id="aoiuigy" class="case_tui_size"> <div id="ygasuyy" class="clearfix"> <a href="/list_6/122.html" >水泵房噪聲治理</a> <span>2022-08-08</span> </div> <div id="6iuos0c" 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