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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_xyjzsbjk/">消音降噪設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-xyjzsbjk_qcxsqsy/">汽車消聲器</a>?防城港消聲器質(zhì)量誠信經(jīng)營佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</p><div id="33fovpb" class="leftbox clearfix"><h1>防城港消聲器質(zhì)量誠信經(jīng)營佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="gfxzg8i" class="proBig"><div id="3qxuwvh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172219384766/5866689.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l8vnpgd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172219384766/5866689.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bs82zls" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>防城港消聲器質(zhì)量,消聲器</p><p><span>***更新：</span>2020-11-16 06:21:20</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oikce7r" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">佛山文質(zhì)通風(fēng)設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>馮達斌</p><p><span>郵箱: </span>751633122@qq.com</p><p><span>電話: </span>13679725711</p><p><span>傳真: </span>0757_</p><p><span>網(wǎng)址: </span>http://fswztf.1688.com</p><p><span>手機: </span>0757-85965668</p><p><span>地址: </span>大瀝鎮(zhèn)黃岐六聯(lián)鄉(xiāng)高力中村倉庫(自編)3號(住所申報)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="8zbif7c" class="page-proshow02"><p class="title">詳細說明</p><div id="shjls4m" class="box"><p><p style="text-indent:25px">直管消聲器消聲量的計算:直管式消聲器消聲量主要與通道形式、長度和吸聲材料的性能有關(guān)。消聲量的計算公式為：其中，Φ是消聲系數(shù)，即每米消聲量(dB/m)；P是消聲器通道截面周長(m)；S是消聲器通道截面積(m2)。消聲管道內(nèi)吸聲系數(shù)越大，防城港消聲器質(zhì)量，消聲系數(shù)Φ越大，消聲量越高。增加長度，或增加通道周長與截面積的比P/S，消聲量越大。同樣周長，圓形截面的周長與截面積的比，要比扁狀的矩形小很多，因此，圓形截面的直管式消聲器消聲性能小。當(dāng)直管消聲器截面較大時，如徑尺寸大于30cm的圓管或矩形管，高頻聲波成上束狀，將直接穿過管道，而與管壁的吸聲材料不發(fā)生作用，消聲性能變差，防城港消聲器質(zhì)量，這種高頻性能下降的現(xiàn)象被稱為“高頻失效”。并將高頻消聲量明顯下降的頻率稱為“上限失效頻率”，防城港消聲器質(zhì)量。排氣消聲器的主要是通過減低、衰減排氣壓力的脈動來消除噪聲的。防城港消聲器質(zhì)量</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防城港消聲器質(zhì)量,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172219384766/5866689.png"></div><p style="text-indent:25px">抗性消聲器可以分為5種基本形式：擴張室消聲器、共鳴型消聲器、干涉型消聲器、損耗型消聲器和文氏型消聲器。消聲原理：擴張室消聲器一是利用管道的裁面突變，即聲阻抗的變化使沿管道傳播的聲波向聲源方向反射回去；二是利用擴張室和內(nèi)插管的長度，使向前傳播的波和管子不同界面反射的聲波差一個180度的相位、從而使二者振幅相等、相位相反，互相干涉，達到較理想的消聲效果。共鳴型消聲器常用于消除管道傳播的低頻(350Hz以下)噪聲。干涉型消聲器的消聲原理足將聲波分成兩路，在管道上裝設(shè)一排通管，使管道長度為通管長度的2倍。管道長度等于要消除的聲波的波長，那么通管的長度則為二分之一波長。這樣聲波當(dāng)通過兩種不同長度的途徑時，在管道與通管匯合處將產(chǎn)生振幅相等，位移相反的2種聲波，彼此互相干涉，從而降低噪聲。湛江消聲器哪家好風(fēng)機消聲器主要用于降低各種風(fēng)機風(fēng)口、風(fēng)道和封閉式機房進風(fēng)口的空氣動力性噪聲。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防城港消聲器質(zhì)量,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172175751954/19729.png"></div><p style="text-indent:25px">消聲器的工作原理主要是讓推動彈丸做功的燃氣在一個相對于管要大得多的封閉空間內(nèi)釋放熱能，以減少壓強和流速，避免對口附近的空氣產(chǎn)生過大的沖擊（也就是產(chǎn)生口噪音——發(fā)射時的主要噪音）?，F(xiàn)在世界上通用的消音器其原理基本上是通過降低燃氣沖出口的速度和流量來降低較大峰值來消音。具體的措施是，在消音器內(nèi)裝上若干帶有小孔的消音隔板或鋼絲，或在口安裝一個口徑比小的橡膠消音器等等來降低口的較大峰值（也就是提前將燃氣要做的功傾瀉掉），同時使用低于音速的彈（低速彈）降低在空氣中飛行的呼嘯聲。不管你用什么方法來降低的聲音，總是要**的一些性能，同時使自動機工作不正常。所以消音器并沒有什么制退的作用，也不會減小后坐力?，F(xiàn)在的一般在膛口處加裝了籠型或桶型消焰器，通過改變排焰孔的切削角度可以實現(xiàn)一定的制退作用，但是裝上消音器后膛口裝置的制退作用也消失了。消音器除了通常的消音和消焰作用外，還有一個附加的好處——在膛口處增加了一個重物，可以抑止口上跳，減少散布提高精度。</p><p style="text-indent:25px">阻抗式消聲器：現(xiàn)有的消聲器，大多采用阻抗復(fù)合型消聲原理。由于結(jié)構(gòu)復(fù)雜、重量大、高溫氧化吸聲填料，高速氣流沖擊吸聲填料，水氣滲透吸聲填料等原因，消聲器很容易出現(xiàn)維修頻繁、消聲效果差，使用周期短等情況。而這歷來是消音器的設(shè)計難點，微穿孔消聲器則綜合了較合理的消聲原理所設(shè)計解決了上述問題，取得了良好效果。微穿孔消聲器消聲器不使用任何阻性吸聲填料，采用微穿小孔多空腔結(jié)構(gòu)，高壓氣流在消聲器內(nèi)經(jīng)多次控流進入空腔體，逐級改變原氣流的聲頻。阻力損失小，消聲頻帶寬，工作時不起塵。不怕油霧、水氣。耐高溫、耐高速氣流沖擊。使環(huán)境噪聲符合國家《工業(yè)企業(yè)噪聲衛(wèi)生標準》。普遍用于石油、化工、冶金、紡織等行業(yè)。微穿孔消聲器耐高溫、耐高速氣流沖擊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防城港消聲器質(zhì)量,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172241416016/5804003.png"></div><p style="text-indent:25px">共振腔消聲器。共振腔消聲器消聲原理是利用聲波頻率與共振腔固有頻率一致時對聲能的衰減達到較大進行消聲。與擴張室消聲器相比，共振腔消聲器具有消聲頻帶較窄，在共振頻率附近消聲量較大的特點，適用于具有單峰值頻率、且峰值較突出的高噪聲場合。設(shè)計時要求共振腔消聲器的共振頻率與聲波的主頻率一致。干涉型消聲器。干涉型消聲器是利用支管長度比主管長度長，并且多出的長度正好是1/2聲波波長的奇數(shù)倍，這樣支管聲波與主管聲波在振幅上相等，而在相位上相差180°的奇數(shù)倍，從而達到相互干涉而抵消，來實現(xiàn)消聲的目的。干涉型消聲器適用于消減某保持不變的單一頻率的噪聲，對于寬頻帶噪聲，這種型式消聲器無效。??消聲器等消聲設(shè)備安裝，須有**的承重吊桿或底座與聲源設(shè)備須通過軟接頭連接。海口消聲器廠商有哪些</p><p style="text-indent:25px">有源式消聲器是一套儀器裝置，主要由傳聲器、放大器、相移裝置、功率放大器和揚聲器等組成。防城港消聲器質(zhì)量</p><p style="text-indent:25px">機械及行業(yè)設(shè)備行業(yè)，顧名思義就是與機械有關(guān)的行業(yè)，在很大程度上影響國民經(jīng)濟大發(fā)展，機械制造業(yè)也在一定程度上體現(xiàn)了經(jīng)濟建設(shè)水平。隨著經(jīng)濟的飛速發(fā)展，我國機械行業(yè)發(fā)展迅速，制造水平明顯提升。重大技術(shù)裝備是關(guān)系我國安全和國民經(jīng)濟命脈的基礎(chǔ)性、戰(zhàn)略性產(chǎn)品，是有限責(zé)任公司企業(yè)綜合實力和重點競爭力的重要標志。近年來，機械工業(yè)在重大技術(shù)裝備的自主研發(fā)中不斷取得突破，創(chuàng)新成果正逐步加入使用。加快推進人工智能技術(shù)、機器人技術(shù)、物聯(lián)網(wǎng)技術(shù)在機械工業(yè)全過程中的應(yīng)用，促進生產(chǎn)過程的數(shù)字化操控、模仿優(yōu)化、狀態(tài)實時監(jiān)測和自適應(yīng)操控，從而提高產(chǎn)品的智能化水平，使3cf消防認證防火閥，鋁合金空調(diào)出風(fēng)口，通風(fēng)管道消聲器，消防風(fēng)機工業(yè)產(chǎn)業(yè)鏈水平由中低端向中**邁進。生產(chǎn)型企業(yè)圍繞生產(chǎn)源頭、制造過程和產(chǎn)品性能三個方面加強科技研發(fā)，應(yīng)用制造工藝，實現(xiàn)綠色制造。推廣節(jié)能低碳技術(shù)，采用制造工藝，發(fā)展循環(huán)經(jīng)濟，形成低加入、低消耗、低排放的業(yè)態(tài)模式，實現(xiàn)低碳制造。防城港消聲器質(zhì)量</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司總部位于大瀝鎮(zhèn)黃岐六聯(lián)鄉(xiāng)高力中村倉庫(自編)3號(住所申報)，是一家風(fēng)機、風(fēng)扇制造；制冷、空調(diào)設(shè)備制造；家用空氣調(diào)節(jié)器制造；安全、消防用金屬制品制造；管道和設(shè)備安裝；日用家電批發(fā)；日用家電零售；廚具衛(wèi)具及日用雜品批發(fā)；五金產(chǎn)品批發(fā)；五金零售；其他機械設(shè)備及電子產(chǎn)品批發(fā)；其他室內(nèi)裝飾材料零售；其他日用品零售；貿(mào)易代理；其他未列明批發(fā)業(yè)；其他未列明零售業(yè)。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動。）的公司。文質(zhì)通風(fēng)擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供3cf消防認證防火閥，鋁合金空調(diào)出風(fēng)口，通風(fēng)管道消聲器，消防風(fēng)機。文質(zhì)通風(fēng)繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。文質(zhì)通風(fēng)創(chuàng)始人馮達斌，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2011932.html</p></div></div></div></div></div><div id="smebdm3" class="page-right twoColRt"><div id="swdfcgn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rw2mjln" 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