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佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</p><div id="eyvuqxj" class="leftbox clearfix"><h1>崇左消聲器哪家專業(yè) **** 佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="aurfwsj" class="proBig"><div id="bfr2y8n" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172211503907/449303.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8bnm3lf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172211503907/449303.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vz2bxeq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>崇左消聲器哪家專業(yè),消聲器</p><p><span>***更新：</span>2020-11-20 07:23:51</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="77hyxjf" 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(dá)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(jī): </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(cāng)庫(kù)(自編)3號(hào)(住所申報(bào))</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="74nzwip" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="yik88zg" class="box"><p><p style="text-indent:25px">抗性消聲器圖是利用管道內(nèi)截面突變，起到消聲作用。加工制作時(shí)，不能任意改變膨脹室的尺寸。共振性消聲器制作應(yīng)按設(shè)計(jì)要求加工。不能任意改變關(guān)鍵部分的尺寸。穿孔板的孔徑和穿孔率應(yīng)符合設(shè)計(jì)要求。穿孔板經(jīng)沖（鉆）孔后，應(yīng)將孔口的毛刺銼平。共振腔的隔板尺寸應(yīng)正確，隔板與壁板連接處應(yīng)緊貼，崇左消聲器哪家專業(yè)。消聲風(fēng)管、消聲靜壓箱及消聲彎頭內(nèi)所襯的消聲材料應(yīng)均勻貼緊，不能脫落，并且拼縫要密實(shí)，表面平整，崇左消聲器哪家專業(yè)，不能凹凸不平。消聲器內(nèi)的消聲材料覆面層不得破損，崇左消聲器哪家專業(yè)，搭接時(shí)應(yīng)順氣流，且界面不得有毛邊。消聲器內(nèi)直接逆風(fēng)面布質(zhì)要有保護(hù)措施。消聲器，從它的材料的選擇上面就能知曉其的穩(wěn)定性，使用壽命非常的長(zhǎng)久。崇左消聲器哪家專業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="崇左消聲器哪家專業(yè),消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172211503907/449303.png"></div><p style="text-indent:25px">摩托車(chē)消聲器是摩托車(chē)發(fā)展史上不可或缺的零部件，摩托車(chē)消聲器發(fā)展歷史也與摩托車(chē)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(shuō)，就是發(fā)動(dòng)機(jī)排出的氣流在消音器內(nèi)經(jīng)過(guò)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(mén)打開(kāi)，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(mén)和排氣門(mén)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(mén)打開(kāi)，廢氣排出，活塞繼續(xù)上行把多余的廢氣排出。汕尾消聲器排行榜筒式消聲器一般由排氣管、連接螺套、消聲筒和筒芯等幾部分組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="崇左消聲器哪家專業(yè),消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172179628907/3966315.png"></div><p style="text-indent:25px">消聲器的機(jī)殼或管道輻射的噪聲可能傳入消聲器后端，致使消聲效果下降，必要時(shí)，可在消聲器外殼或部分管道上做隔聲處理。消聲器法蘭和風(fēng)機(jī)法蘭連接處應(yīng)加彈性墊并注意密封，以免漏聲、漏氣，同時(shí)也能減少剛性連接的振動(dòng)傳聲。在通風(fēng)空調(diào)系統(tǒng)中，消聲器應(yīng)盡量安裝于靠近使用房間的地方。消聲器片間流速應(yīng)適當(dāng)。風(fēng)機(jī)消聲器片間平均流速可認(rèn)為與風(fēng)機(jī)管道流速相等。用于民用建筑，消聲器片間流速通常取3-12m/s；工業(yè)方面，消聲器片間流速通常取12-25m/s，較大不得超過(guò)30m/s。流速不同，消聲器護(hù)面結(jié)構(gòu)應(yīng)不同。平均流速小于10m/s時(shí)，多孔吸聲材料的護(hù)面可用防火布或金屬絲網(wǎng)罩起來(lái)；平均流速為10-23m/s時(shí)，可選用金屬穿孔板護(hù)面；當(dāng)平均流速為23-45m/s時(shí)，可選用玻璃絲布和金屬穿孔板護(hù)面；當(dāng)平均流速為45-120m/s時(shí)，可采用雙層金屬穿孔板和鋼絲棉護(hù)面，穿孔率應(yīng)大于20%。</p><p style="text-indent:25px">迷宮式消聲器是在直管消聲器基礎(chǔ)上，插入一些吸聲障板，使聲波不斷的由一個(gè)小室繞行到另一個(gè)小室，從而增加了消聲效果，特別在中低頻率范圍，當(dāng)然阻力也要增加。迷宮式消聲器中的氣流速度不宜太高。蜂窩式消聲器的結(jié)構(gòu)特點(diǎn)類似于片式消聲器，只是為了進(jìn)一步減小每一個(gè)消聲器通道截面尺寸，把整個(gè)大的通道分成多個(gè)蜂窩式小的消聲通道。聲流式消聲器類似于折板式消聲器，只是為了減小阻力，把通道加工成聲流式。聲流式消聲器阻力較低，但是結(jié)構(gòu)較為復(fù)雜，加工難度較大。消聲器單獨(dú)固定，能滿足管道熱位移的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="崇左消聲器哪家專業(yè),消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172190869141/9583475.png"></div><p style="text-indent:25px">消音器實(shí)際上在解決燃?xì)庠胍?。典型消音器的原理，是在?nèi)部設(shè)置多個(gè)碗型結(jié)構(gòu)，讓出膛高溫燃?xì)庠诿恳粋€(gè)碗型結(jié)構(gòu)形成的密閉空腔內(nèi)逐級(jí)膨脹釋放能量，并因此在較終出消音器口時(shí)明顯降低速度和能量，因此達(dá)到降低燃?xì)獬鎏旁胍舻男Ч?。發(fā)射的主要噪音來(lái)源，從大到小排列。高壓燃?xì)獬鎏艜r(shí)膨脹產(chǎn)生的噪音和超音速燃?xì)猱a(chǎn)生的激波聲，在沒(méi)有加消音器的時(shí)候，平常聽(tīng)到的聲主要都是來(lái)自這個(gè)來(lái)源，甚至說(shuō)全部來(lái)自它，因?yàn)檫@個(gè)聲音是遠(yuǎn)大于其他兩個(gè)來(lái)源的。我們后文簡(jiǎn)稱這一來(lái)源為燃?xì)庠胍?。如果發(fā)射的是超音速?gòu)?，彈丸出膛后空氣中超音速飛行產(chǎn)生的激波噪音。相對(duì)個(gè)來(lái)源，這個(gè)聲音較小，但音量也很大，而且音色很尖銳。后文簡(jiǎn)稱為激波噪音。擊發(fā)和機(jī)循環(huán)完成拋殼上膛本身伴隨著金屬部件之間的碰撞，這個(gè)聲音又明顯小于前兩者，但也不可忽略。后文簡(jiǎn)稱為機(jī)噪音。對(duì)于低、中頻噪聲源，宜采用共振型消聲器、膨脹型消聲器等抗性消聲器。汕尾消聲器排行榜</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(yáng)聲器等組成。崇左消聲器哪家專業(yè)</p><p style="text-indent:25px">消聲器的消聲原理是利用腔與管的適當(dāng)組合，來(lái)達(dá)到兩種作用來(lái)消聲的：一是利用管道截面突變(即聲抗的變化)使沿管道傳播的聲波向聲源方向反射回去，從而使聲能反射回原處；二是利用幾個(gè)界面的反射，使原來(lái)個(gè)向前傳播的聲波又回到原點(diǎn)，并再次折回向前傳播，該點(diǎn)與尚未被反射的第二個(gè)向前傳播的聲波匯合，而且兩者在振幅上相等，在相位上差180度的奇數(shù)倍，從而互相干涉而抵消。風(fēng)機(jī)式消聲器主要適用于降低羅茨系列、軸流系列風(fēng)機(jī)的進(jìn)排氣噪聲，也可以用于對(duì)排氣管道及其它高壓風(fēng)機(jī)的降噪，消聲量15-30dB，壓力損失少于500Pa。崇左消聲器哪家專業(yè)</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下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)深受客戶的喜愛(ài)。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。文質(zhì)通風(fēng)秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2068942.html</p></div></div></div></div></div><div id="wvncoax" class="page-right twoColRt"><div 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