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id="ev7kmtv" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>惠州消聲器定做,消聲器</p><p><span>***更新：</span>2020-11-20 09:28:53</p><p><span id="click" >瀏覽次數：1次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="jsphjas" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">佛山文質通風設備有限公司</a></p><p><span>聯系人：</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)黃岐六聯鄉(xiāng)高力中村倉庫(自編)3號(住所申報)</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="fprtq3j" class="page-proshow02"><p class="title">詳細說明</p><div id="rg3moac" class="box"><p><p style="text-indent:25px">消聲器和消聲靜壓箱的區(qū)別：當噪聲源在室內產生的聲壓級高于允許的噪聲標準時，就需要根據各頻帶要求消除的聲壓級選擇的消聲裝置，消除在室內的噪聲標準之上的那部分聲能。消聲器是根據不同的消聲原理設計成的管道構件，按所采用的消聲原理可分為阻性消聲器、抗性消聲器、共振消聲器和原合消聲器等類型。而消聲靜壓箱在風機出口或空氣分布器前設置內貼有吸聲材料的靜壓箱，除了可以穩(wěn)定氣流外，惠州消聲器定做，惠州消聲器定做，還具有消聲的作用，惠州消聲器定做。消聲靜壓箱的消聲量與吸聲材料的性能、箱內貼吸聲材料的面積以及出口側風管的面積等因素有關。根據風機噪聲頻譜特性與區(qū)域環(huán)境的允許噪聲頻率特性的差值，決定設計或選用消聲器的消聲頻率特性?；葜菹暺鞫ㄗ?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州消聲器定做,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172203808594/9748332.png"></div><p style="text-indent:25px">衡量消聲器的好壞，主要考慮以下三個方面：消聲器的消聲性能；（消聲量和頻譜特性）；消聲器的空氣動力性能；（壓力損失等）；消聲器的結構性能。（尺寸、價格、壽命等）；消聲器的消聲頻率特性?？箛娮栊拖暺鲗Ω黝l噪聲效果優(yōu)越。消聲器的適用風速一般為6-8m/s，較高不宜超過12m/s，同時注意消聲器的壓力損失。注意消聲器的凈通道截面積，風管和消聲器連接時，必要時（風速有限制時）需作放大處理。消聲器等消聲設備安裝，須有**的承重吊桿或底座與聲源設備須通過軟接頭連接。當兩個消聲彎頭串聯使用時，兩個彎頭的連接間距應大于彎頭截面對角線長度的2.5倍。對于高溫、高濕、有油霧、水氣的環(huán)境系統(tǒng)一般選用微孔結構消聲設備，對于有潔凈要求的諸如手術室、錄音室、潔凈廠房等環(huán)境系統(tǒng)，應采用微孔結構消聲設備。相鄰用房管路串通時，注意室內噪聲通過管路相互影響，必要時風口作消聲處理。中山消聲器多少錢一個消聲器的覆面材料容易破損，使吸聲材料外露或脫落，影響功能。制作時，釘覆面材料的泡釘應加墊片。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州消聲器定做,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172179628907/3966315.png"></div><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，好像是一個聲學濾波器，與電學濾波器相似，每一個帶管的小室是濾波器的一個網孔，管中的空氣質量相當于電學上的電感和電阻，稱為聲質量和聲阻。小室中的空氣體積相當于電學上的電容，稱為聲順。與電學濾波器類似，每一個帶管的小室都有自己的固有頻率。當包含有各種頻率成分的聲波進入個短管時，只有在個網孔固有頻率附近的某些頻率的聲波才能通過網孔到達第二個短管口，而另外一些頻率的聲波則不可能通過網孔．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構為聲學濾波器。選取適當的管和室進行組合．就可以濾掉某些頻率成分的噪聲，從而達到消聲的目的?？剐韵暺鬟m用于消除中、低頻噪聲。</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。消聲量的計算公式為：其中，Φ是消聲系數，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)。消聲管道內吸聲系數越大，消聲系數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，這種高頻性能下降的現象被稱為“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”。風機消聲器分為：離心風機消聲器、羅茨風機消聲器、鼓風機消聲器、軸流風機消聲器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="惠州消聲器定做,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172182822266/4899542.png"></div><p style="text-indent:25px">鍋爐消聲器是根據抗、噴、阻復合消聲原理研制，具有消聲量大、體積小、重量輕及安裝方便等優(yōu)點。鍋爐消聲器主要應用于發(fā)電廠電站、熱電公司、石油化工、鋼鐵冶金、造紙印染、紡織、礦山等工礦企業(yè)的蒸汽鍋爐點火排汽消聲，蒸汽安全閥排汽消聲、鍋爐沖管消聲、背壓式汽輪機排汽消聲、高壓除氧器設備排汽消聲以及熱力系統(tǒng)蒸汽設備排放消聲降音。鍋爐消聲器是阻止聲音傳播而允許氣流通過的一種器件，是消除蒸汽排放動力性噪聲的重要措施。衡量鍋爐消聲器的好壞，主要考慮以下三個方面：鍋爐消聲器的消聲量能滿足《工業(yè)企業(yè)噪聲衛(wèi)生標準》的要求；鍋爐消聲器的適應性能；（即適應低中頻譜寬帶和高溫高壓等）；鍋爐消聲器的結構性能。（尺寸合理、造價低、壽命長等）。蒸汽消聲器采用多級消聲，消聲量大，排汽消聲器可達35～40分貝。中山消聲器多少錢一個</p><p style="text-indent:25px">消聲器成品應在平整、無積水的室內場地上碼放整齊，下部設有墊托，并有必要的防水措施。惠州消聲器定做</p><p style="text-indent:25px">風機設計和選用的消聲器應考慮下列問題：根據風機噪聲頻譜特性與區(qū)域環(huán)境的允許噪聲頻率特性的差值，決定設計或選用消聲器的消聲頻率特性，即噪聲頻帶的衰減量。噪聲控制標準，要根據環(huán)境區(qū)域和等級，參考有關國家或部頒標準。風機噪聲有關數據可由廠家提供，如資料不全，可進行估算，要進行實際測量，以便獲得準確可靠的數據，取得較好的噪聲控制效果。設計和選用消聲器應特別注意其阻力損失，如果消聲器的消聲量滿足消聲要求，阻力損失很大，那么該消聲器就不是一個好的消聲器。其次，要避免消聲器的氣流消聲過大，工業(yè)用風機消聲器的氣流速度應控制在10-20m/s；消聲器宜安裝在風機進、出口，即離噪聲源較近，以防風機噪聲激發(fā)管路振動；如消聲器裝在管路中，則氣流是穩(wěn)定的，消聲效果會好；對于降噪要求較高，需要裝幾個消聲器，消聲器宜分段安裝。另外，還要考慮消聲器的使用環(huán)境，如防水、防塵、防霉等，否則，會影響消聲器的消聲性能。惠州消聲器定做</p><p style="text-indent:25px">佛山文質通風設備有限公司是一家風機、風扇制造；制冷、空調設備制造；家用空氣調節(jié)器制造；安全、消防用金屬制品制造；管道和設備安裝；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)；五金產品批發(fā)；五金零售；其他機械設備及電子產品批發(fā)；其他室內裝飾材料零售；其他日用品零售；貿易代理；其他未列明批發(fā)業(yè)；其他未列明零售業(yè)。（依法須經批準的項目，經相關部門批準后方可開展經營活動。）的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。公司自創(chuàng)立以來，投身于3cf消防認證防火閥，鋁合金空調出風口，通風管道消聲器，消防風機，是機械及行業(yè)設備的主力軍。文質通風不斷開拓創(chuàng)新，追求出色，以技術為先導，以產品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。文質通風始終關注機械及行業(yè)設備市場，以敏銳的市場洞察力，實現與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2070498.html</p></div></div></div></div></div><div id="jtacub7" class="page-right twoColRt"><div id="kebjkhb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="u8khzwi" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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