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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wqx7oln" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>連云港排汽消音器哪家價(jià)格優(yōu)惠,消音器</p><p><span>***更新：</span>2020-12-18 10:23:59</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="eyvnzw2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">連云港廣潤機(jī)械設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>王以坦</p><p><span>郵箱: </span>13511563155@163.com</p><p><span>電話: </span>13511563155</p><p><span>傳真: </span>135_</p><p><span>網(wǎng)址: </span>http://www.lyggrjx.com</p><p><span>手機(jī): </span>135-1156</p><p><span>地址: </span>錦屏路88號</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="dc3pwy8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mg3j27h" class="box"><p><p> 消聲器用于減小排氣脈動，并盡可能降低排氣噪聲 [3] 。消聲器的選用應(yīng)根據(jù)防火、防潮、防腐、潔凈度要求，安裝的空間位置，噪聲源頻譜特性，連云港排汽消音器哪家價(jià)格優(yōu)惠，系統(tǒng)自然聲衰減，系統(tǒng)氣流再生噪聲，房間允許噪聲級，允許壓力損失，設(shè)備價(jià)格等諸多因素綜合考慮并根據(jù)實(shí)際情況有所偏重。一般的情況是：消聲器的消聲量越大，壓力損失及價(jià)格越大；消聲量相同時，如果壓力損失越小，消聲器所占空間就越大，連云港排汽消音器哪家價(jià)格優(yōu)惠。 </p> <p> 新型高效抗噴阻型系列消聲器設(shè)備被普遍使用于發(fā)電、化工、冶金、紡織等工業(yè)廠礦中用于各種型號鍋爐，連云港排汽消音器哪家價(jià)格優(yōu)惠、汽機(jī)排汽；風(fēng)機(jī)；安全門等設(shè)備的消聲降音。該系列消聲器是根據(jù)抗、噴、阻復(fù)合消聲原理所研制，具有消聲量大、體積小、重量輕及安裝方便無檢修等諸多優(yōu)點(diǎn)。小孔蒸汽消聲器可承受70m/s氣流速度的沖擊，仍有15dBA以上的消聲器。這也是優(yōu)于一般消聲器一個重要特點(diǎn)。連云港排汽消音器哪家價(jià)格優(yōu)惠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港排汽消音器哪家價(jià)格優(yōu)惠,消音器" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354638006542968/7080598.png"></div><p> 阻抗復(fù)合式消聲器和微穿孔板消聲器的設(shè)計(jì)原理： </p> <p> 阻抗復(fù)合式消聲器由連云港助力機(jī)械生產(chǎn)將聲吸收和聲反射恰當(dāng)?shù)亟M合起來的消音器，它同時既有阻性消音器消除中、高頻噪聲和抗性消音器消除低、中頻噪聲的特性，具有寬頻帶的消聲效果。 </p> <p> 微穿孔板消聲器一般是用厚度小于1mm的純金屬薄板制作，在薄板上用孔徑小于1mm的鉆頭穿孔，穿孔率為1%一3%。選擇不同的穿孔率和板厚不同的腔深，就可以控制消音器的頻譜性能，使其在需要的頻率范圍內(nèi)獲得良好的消音效果。連云港除塵風(fēng)機(jī)消音器多少錢風(fēng)機(jī)運(yùn)轉(zhuǎn)期間，其動翼之背面會產(chǎn)生渦流，此渦流不但會降低風(fēng)機(jī)的效率，而且會產(chǎn)生噪音。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港排汽消音器哪家價(jià)格優(yōu)惠,消音器" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354637975146484/1602390.png"></div><p style="text-indent:25px">消聲器可以看著是管道的一個組成部分，在內(nèi)部作聲學(xué)處理后，可減弱噪音的產(chǎn)生與傳播，蒸汽吹管用消聲器的設(shè)計(jì)不能只單純考慮降聲效果，應(yīng)首先要滿足蒸汽吹管的需要，即保證比較高的流速、比較小的阻力、比較大的動量為前提，然后以降壓、節(jié)流、擴(kuò)容、移頻消聲技術(shù)來降低噪聲。殼體的支座及和殼體的連接部件要有足夠的剛度和強(qiáng)度,結(jié)構(gòu)設(shè)計(jì)要合理，并能承受排汽反力、熱脹推力、力矩以及夾帶雜物的高速汽流引起的振動力等各種附加力，消聲器本體應(yīng)能抵抗溫度、壓力交變帶來的各種沖擊。完成多次快速開啟沖管后，消聲器仍應(yīng)保持整體的完整性。</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，好像是一個聲學(xué)濾波器，與電學(xué)濾波器相似，每一個帶管的小室是濾波器的一個網(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，稱為聲順。與電學(xué)濾波器類似，每一個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)入前列個短管時，只有在前列個網(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。把阻性結(jié)構(gòu)和抗性結(jié)構(gòu)按照一定的方式組合起來，就構(gòu)成了阻抗復(fù)合式消聲器。無論是應(yīng)用到蒸汽中的，還是在清理鍋爐時用到的，都在很大程度上降低了噪聲，豐富了大家的生活。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港排汽消音器哪家價(jià)格優(yōu)惠,消音器" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354638077119140/8916926.png"></div><p> 隨著電力工業(yè)的飛速發(fā)展，電站鍋爐機(jī)組的不斷加大，300-1000MW機(jī)組將成為今后主力機(jī)組。在火力發(fā)電機(jī)組完成安裝或恢復(fù)性檢修，投入運(yùn)行前，為了確保機(jī)組的安全經(jīng)濟(jì)運(yùn)行，必須進(jìn)行蒸汽吹管來清理過熱器與再熱器系統(tǒng)管道內(nèi)部的銹皮、焊渣以及其它雜物等工業(yè)垃圾，為徹底清理管系內(nèi)的雜物，吹管次數(shù)多達(dá)幾十次甚至上百次，并持續(xù)幾天或更長的時間。 </p> <p> 吹管時，強(qiáng)大的蒸汽湍流噪聲是高速氣流從管口中噴出，沖擊和剪切周圍靜止的空氣，引起噴口附近劇烈的氣體擾動而產(chǎn)生的聲級很高的空氣動力性噪聲，產(chǎn)生的噪聲值高達(dá)130dB(A)及以上，機(jī)組容量越大產(chǎn)生的空氣動力性噪聲越大，其噴射噪聲是連續(xù)的中高寬頻帶噪聲，嚴(yán)重地影響周圍十幾平方公里范圍內(nèi)的居民的生活、工作和學(xué)習(xí)，特別是對人的身心健康造成嚴(yán)重危害。 </p> <p> 為了消除機(jī)組吹管造成的嚴(yán)重噪聲危害，必須在吹管管道末端加裝吹管消音器。PG型電站鍋爐吹管消音器，對于吹管消音器,吹管消音器,管道吹掃消音器,管道吹掃消音器可以看著是管道的一個組成部分，在內(nèi)部作聲學(xué)處理后，可減弱噪音的產(chǎn)生與傳播，是解決上述機(jī)組吹管造成嚴(yán)重噪聲危害的有效降噪設(shè)備。空氣在流動時，若碰到尖銳的障礙物，極易發(fā)生亂流。連云港離心風(fēng)機(jī)消音器型號</p><p style="text-indent:25px">利用降壓的方式來吸收聲音，基本上可以達(dá)到40分貝左右。連云港排汽消音器哪家價(jià)格優(yōu)惠</p><p> 小孔消聲器和有源消聲器的設(shè)計(jì)原理： </p> <p> 小孔消聲器結(jié)構(gòu)是一根末端封閉的直管，管壁上鉆有很多小孔。小孔消音器的原理是以噴氣噪聲的頻譜為依據(jù)的，如果保持噴口的總面積不變而用很多小噴口來代替，當(dāng)氣流經(jīng)過小孔時、噴氣噪聲的頻譜就會移向高頻或超高頻，使頻譜中的可聽聲成分明顯降低，從而減少對人的干擾和傷害。 </p> <p> 有源消聲器是基本原理是在原來的聲場中，利用電子設(shè)備再產(chǎn)生一個與原來的聲壓大小相等、相位相反的聲波，使其在一定范圍內(nèi)與原來的聲場相抵消。這種消音器是一套儀器裝置，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。連云港排汽消音器哪家價(jià)格優(yōu)惠</p><p style="text-indent:25px">連云港廣潤機(jī)械設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下消音器.風(fēng)機(jī)消音器，煤粉取樣裝置（器）濾水器，飛灰等速取樣器.換熱器，汽液兩相流（疏水器）深受客戶的喜愛。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)。連云港廣潤機(jī)械秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2457604.html</p></div></div></div></div></div><div id="n2yn2og" class="page-right twoColRt"><div id="cc3skho" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vfceg8h" 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