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</a></p></div></div><div id="79ftxfn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p9n79z7" class="box"><p><p style="text-indent:25px">抗性式消聲器是由突變界面的管和室組合而成的，好像是一個(gè)聲學(xué)濾波器，與電學(xué)濾波器相似，每一個(gè)帶管的小室是濾波器的一個(gè)網(wǎng)孔，管中的空氣質(zhì)量相當(dāng)于電學(xué)上的電感和電阻，稱為聲質(zhì)量和聲阻。小室中的空氣體積相當(dāng)于電學(xué)上的電容，海南消聲器服務(wù)哪家好，稱為聲順。與電學(xué)濾波器類似，每一個(gè)帶管的小室都有自己的固有頻率。當(dāng)包含有各種頻率成分的聲波進(jìn)入個(gè)短管時(shí)，海南消聲器服務(wù)哪家好，只有在個(gè)網(wǎng)孔固有頻率附近的某些頻率的聲波才能通過網(wǎng)孔到達(dá)第二個(gè)短管口，而另外一些頻率的聲波則不可能通過網(wǎng)孔．只能在小室中來回反射，因此，我們稱這種對(duì)聲波有濾波功能的結(jié)構(gòu)為聲學(xué)濾波器。選取適當(dāng)?shù)墓芎褪疫M(jìn)行組合．就可以濾掉某些頻率成分的噪聲，從而達(dá)到消聲的目的?？剐韵暺鬟m用于消除中、低頻噪聲，海南消聲器服務(wù)哪家好。消聲器能吸收排管的垂直和水平熱位移，保證排氣。海南消聲器服務(wù)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南消聲器服務(wù)哪家好,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172182822266/4899542.png"></div><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(jì)難點(diǎn)，微穿孔消聲器則綜合了較合理的消聲原理所設(shè)計(jì)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(jìn)入空腔體，逐級(jí)改變?cè)瓪饬鞯穆曨l。阻力損失小，消聲頻帶寬，工作時(shí)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(guó)家《工業(yè)企業(yè)噪聲衛(wèi)生標(biāo)準(zhǔn)》。普遍用于石油、化工、冶金、紡織等行業(yè)。海南消聲器服務(wù)哪家好消聲器用于減小排氣脈動(dòng)，并盡可能降低排氣噪聲。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南消聲器服務(wù)哪家好,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172190869141/9583475.png"></div><p style="text-indent:25px">氣缸消聲器的定義：消音器是一種允許氣流通過而能使聲能衰減的裝置，能夠降低氣流通道上的空氣動(dòng)力性噪聲。氣缸消聲器的選擇方法：具有較好的消聲性能，即要求消聲器具有較好的消聲頻率特性，噪聲一般控制在74~80dB之間(當(dāng)供氣為0.6MPa,距離為1m時(shí)測(cè)得的噪聲）具有良好的空氣動(dòng)力性能，消聲器對(duì)氣流的阻力損失要小結(jié)構(gòu)簡(jiǎn)單，便于加工，經(jīng)濟(jì)耐用，無再生噪聲。在設(shè)計(jì)和選擇消聲器時(shí)，應(yīng)合理選擇通過消聲器的氣流速度。對(duì)空調(diào)系統(tǒng)，流過的氣流速度可取≤6m/s;對(duì)一般系統(tǒng)宜取6~10m/s;對(duì)工業(yè)鼓風(fēng)機(jī)或其他氣動(dòng)設(shè)備可取10~20m/5s;對(duì)高壓排空消聲器則可大于20m/s。</p><p style="text-indent:25px">評(píng)價(jià)消聲器聲學(xué)性能好壞的量有下列4種：插入損失，在系統(tǒng)中，裝置消聲器以前和裝置消聲器以后相對(duì)比較，通過管口輻射噪聲的聲功級(jí)之差定義為消聲器的插入損失。傳聲損失。減噪量，在消聲器進(jìn)口端面測(cè)得的平均聲壓級(jí)與出口端面測(cè)得的平均聲壓級(jí)之差稱為減噪量。衰減量，消聲器內(nèi)部?jī)牲c(diǎn)間的聲壓級(jí)的差值稱為衰減量，主要用來描述消聲器內(nèi)聲傳播的特性，通常以消聲器單位長(zhǎng)度的衰減量（dB/m）來表征。傳聲損失和衰減量是屬于消聲器本身的特性，它受聲源與環(huán)境影響較?。ú话饬魉俣鹊挠绊懀?，而插入損失、減噪量不單是消聲器本身的特性，它還受到聲源端點(diǎn)反射以及測(cè)量環(huán)境的影響?？剐允较暺魇怯赏蛔兘缑娴墓芎褪医M合而成的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南消聲器服務(wù)哪家好,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172241416016/5804003.png"></div><p style="text-indent:25px">消聲器成品應(yīng)在平整、無積水的室內(nèi)場(chǎng)地上碼放整齊，下部設(shè)有墊托，并有必要的防水措施。成品應(yīng)按規(guī)格、型號(hào)進(jìn)行編號(hào)。妥善保管，不得遭受雨雪，泥土、灰塵和潮氣的侵蝕。消聲器在裝卸、運(yùn)輸和安裝過程中應(yīng)輕拿輕放，以防損壞成品。消聲器在安裝前應(yīng)進(jìn)行檢查，充填的吸聲材料不應(yīng)有明顯下沉。發(fā)現(xiàn)質(zhì)量缺陷要進(jìn)行修復(fù)。消聲器安裝后如遇暫停工階段，應(yīng)將端口包扎嚴(yán)密，以免損壞或進(jìn)入碴土等。消聲材料的敷設(shè)應(yīng)達(dá)到片狀材料粘貼牢固，平整；散狀材料充填均勻、無下沉。檢驗(yàn)方法：觀察檢查。消聲材料的覆蓋面應(yīng)順氣流向拼接，拼接整齊，無損壞；穿孔板無毛刺，孔距排列均勻。檢驗(yàn)方法：觀察檢查。風(fēng)機(jī)消聲器外殼體為碳鋼，內(nèi)部材質(zhì)分鋁板和不銹鋼兩種，用戶可按成本情況選定。海南消聲器服務(wù)哪家好</p><p style="text-indent:25px">抗噴阻型消聲器信息吸聲系數(shù)高，吸收頻帶寬，壓力損失小，氣流再生噪聲低，且易于控制。海南消聲器服務(wù)哪家好</p><p style="text-indent:25px">摩托車消聲器是摩托車發(fā)展史上不可或缺的零部件，摩托車消聲器發(fā)展歷史也與摩托車一樣久遠(yuǎn)。發(fā)動(dòng)機(jī)在做功后，緊接著是排氣沖程。排氣是將氣缸內(nèi)的廢氣排出。由于這時(shí)的廢氣是高溫高壓，由排氣管直接排出，將是很大的噪音。而消音器的作用簡(jiǎn)單的說，就是發(fā)動(dòng)機(jī)排出的氣流在消音器內(nèi)經(jīng)過多孔的管子與隔板并反復(fù)的回繞后，噪音逐漸衰減，達(dá)到消音的目的。消聲器是一個(gè)多級(jí)分流分壓的組合體。其工作原理大致如下：進(jìn)氣：此時(shí)進(jìn)氣門打開，活塞下行，汽油和空氣的混合氣被吸進(jìn)汽缸內(nèi) .壓縮：此時(shí)進(jìn)氣門和排氣門同時(shí)關(guān)閉，活塞上行，混合氣被壓縮。燃燒：當(dāng)混合氣被壓縮到較小時(shí)火花塞跳火點(diǎn)燃混合氣，燃燒產(chǎn)生的壓力推動(dòng)活塞下行并帶動(dòng)曲軸旋轉(zhuǎn)。排氣：當(dāng)活塞下行到較低點(diǎn)時(shí)排氣門打開，廢氣排出，活塞繼續(xù)上行把多余的廢氣排出。海南消聲器服務(wù)哪家好</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司是一家風(fēng)機(jī)、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(jī)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(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營(yíng)活動(dòng)。）的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于3cf消防認(rèn)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(jī)，是機(jī)械及行業(yè)設(shè)備的主力軍。文質(zhì)通風(fēng)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。文質(zhì)通風(fēng)創(chuàng)始人馮達(dá)斌，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)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/2090833.html</p></div></div></div></div></div><div id="lxljn99" class="page-right twoColRt"><div id="txdbrfd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fb7lflt" class="recomPic 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