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href="http://www.cdcfah.com/cp/second-jxjxysb_xyjzsbjk/">消音降噪設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-xyjzsbjk_qcxsqsy/">汽車消聲器</a>?廣州消聲器工廠抱誠守真佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</p><div id="gvxmj2q" class="leftbox clearfix"><h1>廣州消聲器工廠抱誠守真佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="728tvcu" class="proBig"><div id="gq3vcug" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172167304688/4088649.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rbt9hbx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172167304688/4088649.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q8nzrob" 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>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>廣州消聲器工廠,消聲器</p><p><span>***更新：</span>2020-10-16 07:11:19</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="szbvhy2" 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)高力中村倉庫(自編)3號(住所申報)</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="uikuwda" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qkrgxjg" class="box"><p><p style="text-indent:25px">微穿孔板理論在抗噴阻消聲器設(shè)計中的應(yīng)用，廣州消聲器工廠，利用微穿孔板聲學(xué)結(jié)構(gòu)設(shè)計制造的消聲器種類很多，主要型為抗噴阻型消聲器。該型式消聲器是用不銹鋼穿孔薄板制成，因該九臺消聲器是用于石化單位，空氣腐蝕性比較大，故穿孔板后的空氣層內(nèi)填裝的吸聲材料為耐腐蝕金屬軟絲布。利用吸聲材料的阻性吸聲原理，進(jìn)一步達(dá)到降噪消聲的作用，其吸聲系數(shù)高，吸收頻帶寬，壓力損失小，氣流再生噪聲低，且易于控制。為獲得寬頻帶高吸收效果，一般用三級微穿孔板結(jié)構(gòu)。微穿孔板與外殼體之間以及微穿板之間的空腔尺寸大小按需要吸收的頻帶不同而異，廣州消聲器工廠，低頻腔大（150～200mm），廣州消聲器工廠,中頻小些(80～120mm），高頻更小些（30～50mm），雙層結(jié)構(gòu)的前腔深度一般應(yīng)小于后腔，前后腔深度之比不大于1：3，前部接近氣流的一層微穿孔板穿孔率應(yīng)高于后層，為減小軸向聲傳播的影響，可在微穿孔板消聲器的空腔內(nèi)每隔500mm左右加一塊橫向隔板?？剐允较暺魇怯赏蛔兘缑娴墓芎褪医M合而成的。廣州消聲器工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州消聲器工廠,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172167304688/4088649.png"></div><p style="text-indent:25px">汽放空消聲器，氣體(除蒸汽)放空消聲器是種能消除聲音傳播產(chǎn)生的噪音，使氣體和氣流通過的，防治環(huán)境噪音對人類和動植物產(chǎn)生污染的設(shè)備。它是由多段不同通體，多孔擴(kuò)散原理及金屬吸聲材料組成的排”放空作用。主要用于降低鍋爐、汽輪機(jī)、蒸汽管網(wǎng)產(chǎn)生的蒸汽噪聲和氧壓機(jī)、氮壓機(jī)、空壓機(jī)等產(chǎn)生各種無毒性有壓氣體的排放空時產(chǎn)生的干擾噪聲，使企業(yè)環(huán)境噪聲符合國家《工業(yè)企業(yè)噪聲衛(wèi)生標(biāo)準(zhǔn)》，消聲量符合25-35分貝(A)特別是化工企業(yè)和熱電廠應(yīng)用很普遍;放空消音器在結(jié)構(gòu)上比較緊湊，消聲筒采用不銹鋼制造不易腐蝕，消聲量大、耗鋼率低，具有體積小，重量輕，強(qiáng)度高，安裝放便等優(yōu)點(diǎn);消聲器單獨(dú)固定，能滿足管道熱位移的要求，同時，還能吸收排管的垂直和水平熱位移，保證排氣。揭陽消聲器廠家哪家好盤式消聲器的形狀類似圓盤，具有較小的長度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州消聲器工廠,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172219384766/5866689.png"></div><p style="text-indent:25px">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。在連接螺套里裝有油浸石棉密封圈，以防止排氣管和消聲筒之間的接口漏氣。消聲筒內(nèi)焊有幾塊隔板，將消聲筒分成若干個消聲腔(N個膨脹室和1個共振腔)在筒芯上面有倒三角形導(dǎo)流槽和許多小孔，當(dāng)發(fā)動機(jī)的高溫廢氣以高速經(jīng)排氣管進(jìn)入消聲器時，由于消聲筒的截面積逐漸增大，氣流得以膨脹，流速降低，強(qiáng)大的脈動噪聲得以衰減。當(dāng)氣流繼續(xù)流經(jīng)各膨脹室時，由于隔板的阻擋，氣流只能從隔板上的節(jié)流孔及筒芯通過，于是氣流突然被壓縮，分成許多細(xì)流，后又突然得以膨脹，如此多次突變，從而起到降低排氣噪聲的作用。</p><p style="text-indent:25px">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。小孔式消聲器，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(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。有源式消聲器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、相移裝置、功率放大器和揚(yáng)聲器等組成。消聲器用于減小排氣脈動，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="廣州消聲器工廠,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172179628907/3966315.png"></div><p style="text-indent:25px">消聲器的原理：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。在連接螺套里裝有油浸石棉密封圈，以防止排氣管和消聲筒之間的接口漏氣。消聲筒內(nèi)焊有7塊隔板，將消聲筒分成8個消聲腔（七個膨脹室和一個共振腔）在筒芯上面有倒三角形導(dǎo)流槽和許多小孔，當(dāng)發(fā)動機(jī)的高溫廢氣以高速經(jīng)排氣管進(jìn)入消聲器時，由于消聲筒的截面積逐漸增大，氣流得以膨脹，流速降低，強(qiáng)大的脈動噪聲得以衰減。當(dāng)氣流繼續(xù)流經(jīng)各膨脹室時，由于隔板的阻擋，氣流只能從隔板上的節(jié)流了、及筒芯通過，于是氣流突然被壓縮，分成許多細(xì)流，后又突然得以膨脹，如此多次突變，聲能被有效衰減，從而起到降低排氣噪聲的作用。消聲器的消聲量越大，壓力損失及價格越大。廣州消聲器工廠</p><p style="text-indent:25px">消聲器單獨(dú)固定，能滿足管道熱位移的要求。廣州消聲器工廠</p><p style="text-indent:25px">蒸汽消聲器可滿足各種參數(shù)鍋爐向空排汽、安全閥排汽及鍋爐送風(fēng)機(jī)進(jìn)口的降噪消聲要求，同時也普遍用于石油、化工、冶金、紡織等工業(yè)的鍋爐蒸汽排放及其它氣體消聲排放，使之達(dá)到工業(yè)企業(yè)噪聲標(biāo)準(zhǔn)要求。其特點(diǎn)如下：采用多級消聲，消聲量大，排汽消聲器可達(dá)35～40分貝；安全閥消聲器可達(dá)25分貝以上；風(fēng)機(jī)消聲器可達(dá)30～40分貝以上。體積小，重量輕，安裝簡便，易維護(hù)。ZXP、ZXA系列，筒體采用較好不銹鋼，具有足夠高的強(qiáng)度和耐腐蝕性。能單獨(dú)固定、吸收排汽管道的垂直及水平熱位移，使排汽管道不因消聲器的安裝而受到額外的荷載，保證排汽管道在熱能工作下的安全性。廣州消聲器工廠</p><p 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