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class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354638627656250/8350791.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="npwy83u" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354638627656250/8350791.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jrseqrd" 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>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>連云港安全閥消音器多少錢,消音器</p><p><span>***更新：</span>2020-12-18 07:21:15</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="dws7bht" 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: </span>135-1156</p><p><span>地址: </span>錦屏路88號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="pxxeam8" class="page-proshow02"><p class="title">詳細說明</p><div id="7k3dza7" class="box"><p><p> 微穿孔板式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%一5%。選擇不同的穿孔率和板厚不同的腔深，就可以控制消聲器的頻譜性能，使其在需要的頻率范圍內(nèi)獲得良好的消聲效果。 </p> <p> 小孔式小孔消聲器的結(jié)構(gòu)是一根末端封閉的直管，管壁上鉆有很多小孔。小孔消聲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> 有源式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。這種消聲器是一套儀器裝置，主要由傳聲器、放大器，連云港安全閥消音器多少錢、相移裝置，連云港安全閥消音器多少錢、功率放大器和揚聲器等組成，連云港安全閥消音器多少錢。不一樣設(shè)備對消音器功用的影響一樣一個消音器, 設(shè)備方位不一樣, 降噪效果不一樣。連云港安全閥消音器多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港安全閥消音器多少錢,消音器" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354638627656250/8350791.png"></div><p style="text-indent:25px">風機消聲器設(shè)想由于某一聲源的振動在彈性煤質(zhì)某局部區(qū)域激起一種擾動，使該區(qū)域的媒質(zhì)質(zhì)點離開平衡位置開始運動。風機消聲器這個質(zhì)點的運動自然推動相鄰媒質(zhì)質(zhì)點，亦即壓縮了這部分媒質(zhì)。由于彈性，相鄰媒質(zhì)被壓縮時會產(chǎn)生一個反抗壓縮的力，此力作用于質(zhì)點并使其恢復到原來的平衡位置。另一方面，因為質(zhì)點具有質(zhì)量即具有慣性，經(jīng)過平衡位置時會出現(xiàn)“過沖”，以至又壓縮了另一側(cè)的相鄰媒質(zhì)，該相鄰媒質(zhì)以質(zhì)點也會產(chǎn)生一個反抗壓縮的力，使質(zhì)點又回過來趨向平衡位置。連云港風機消音器批發(fā)風機運轉(zhuǎn)期間，其動翼之背面會產(chǎn)生渦流，此渦流不但會降低風機的效率，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="連云港安全閥消音器多少錢,消音器" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354637796796875/8803331.png"></div><p style="text-indent:25px">江蘇省連云港市廣潤機械設(shè)備有限公司生產(chǎn)的阻性式消聲器主要是利用多孔吸聲材料來降低噪聲的。把吸聲材料固定在氣流通道的內(nèi)壁上或按照一定方式在管道中排列，就構(gòu)成了阻性消聲器。當聲波進入阻性消聲器時，一部分聲能在多孔材料的孔隙中摩擦而轉(zhuǎn)化成熱能耗散掉，使通過消聲器的聲波減弱。阻性消聲器就好象電學上的純電阻電路，吸聲材料類似于電阻。因此，人們就把這種消聲器稱為阻性消聲器。阻性消聲器對中高頻消聲效果好、對低頻消聲效果較差。</p><p> 消聲器可以根據(jù)實際需要安裝在空間的任意位置，但應(yīng)注意消聲器的支撐。消聲器不能承受外來的重量。 </p> <p> 消聲器應(yīng)盡量安裝在氣流通道平穩(wěn)段內(nèi)，尤其要避免安裝在管道的彎頭處。 </p> <p> 通過消聲器氣體的含塵量應(yīng)低于 100 毫克 / 標準立方米，否則要加載空氣濾清器，以免影響使用效果。 </p> <p> 通過消聲器的介質(zhì)不允許含有水霧、油霧和腐蝕性氣體。介質(zhì)溫度要小于 150 ℃。 </p> <p> 消聲器使用一段時間后，若遇積灰效果降低，只能用干刷掃除灰塵，而不能用水沖洗。 </p> <p> 消聲器在運輸和待裝前要采取防潮、防污措施，以免影響日后正常使用效果。設(shè)計時，有時可以在風管外面覆以防音材料，可以降低噪音。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港安全閥消音器多少錢,消音器" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637354638006542968/7080598.png"></div><p> 每個企業(yè)所需要的消聲器是不同的是要根據(jù)自己所需的配套實施來計算所需的消聲器大小，消聲器的發(fā)明創(chuàng)造是通過必定的數(shù)據(jù)驗算，而且不計其數(shù)的試驗終究得來的，而且不同的場合使用的消聲器也是不同的，在這樣的基礎(chǔ)上應(yīng)該清晰的就是消聲器核算的過程中存在著壓力丟失，現(xiàn)在我們就來看下壓力丟失是怎么進行核算的。 </p> <p> 風機消聲器的壓力丟失包含兩個方面，也就是消聲器內(nèi)通道壁面和氣流矛盾所發(fā)生的矛盾壓力丟失，別的一種就是消聲器內(nèi)部架構(gòu)通道拐折、截面變化等導致氣流活動狀況改變所發(fā)生的部分壓力丟失。 </p> <p> 在消聲器使用的過程中前面的部分丟失仍是占有主導地位的，導流管對部分丟失補償仍是很大的，這個時分核算能量損耗的話就是通過前后導流管出流的速度進行比較的，也就是兩者之間的差值越大的話，樣例著壓力丟失也越大。 </p> <p> 在核算消聲器的壓力丟失的時分，其間不能忽視的一個概念就是消聲量，也就是風機消聲器在聲學課程中是重要的目標，一般采用的都是刺進丟失進行比較的，也就是在消聲器的前后、左右都進行的聲源共同的時分進行檢測，這個時分滿意的就是距離統(tǒng)一、方向共同、聲學環(huán)境也一樣的情況下檢測聲級之間的差值。在選擇蒸汽消音器這類產(chǎn)品的時候，要盡可能的選擇一些比較靠譜的廠家。連云港室外風機消音器</p><p style="text-indent:25px">軸流風機若有動翼與靜翼的配置時，兩者之葉片數(shù)比較好不等，以免造成更大的噪音共鳴。連云港安全閥消音器多少錢</p><p> 隨著電力工業(yè)的飛速發(fā)展，電站鍋爐機組的不斷加大，300-1000MW機組將成為今后主力機組。在火力發(fā)電機組完成安裝或恢復性檢修，投入運行前，為了確保機組的安全經(jīng)濟運行，必須進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130dB(A)及以上，機組容量越大產(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、工作和學習，特別是對人的身心健康造成嚴重危害。 </p> <p> 為了消除機組吹管造成的嚴重噪聲危害，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)部作聲學處理后，可減弱噪音的產(chǎn)生與傳播，是解決上述機組吹管造成嚴重噪聲危害的有效降噪設(shè)備。連云港安全閥消音器多少錢</p><p style="text-indent:25px">連云港廣潤機械設(shè)備有限公司是一家面對行業(yè)，發(fā)電，造紙，化工，能源，鋼鐵，機械制造，消音器，風機消音器，煤粉取樣裝置（器），飛灰等速取樣器，汽液兩相流（疏水器），濾水器，換熱器，射水抽汽器，除氧器，膠球清洗，凝汽器真空除氧補水等機械產(chǎn)品的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。連云港廣潤機械擁有一支經(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)著為客戶提供消音器.風機消音器，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）。連云港廣潤機械致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。連云港廣潤機械創(chuàng)始人王以坦，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/2454920.html</p></div></div></div></div></div><div id="e7tab3v" class="page-right twoColRt"><div id="yy7wi72" 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