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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>貴港消聲器公司哪家好,消聲器</p><p><span>***更新：</span>2020-11-13 11:35:14</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="cbyaugn" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3j2k9l7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="kdahmda" class="box"><p><p style="text-indent:25px">消音器的種類(lèi)很多，但究其消聲機(jī)理，又可以把它們分為六種主要的類(lèi)型，即阻性消音器、抗性消音器、阻抗復(fù)合式消音器、微穿孔板消音器、小孔消音器和有源消音器。節(jié)流降壓消聲器，利用節(jié)流降壓原理制成的消聲器。一般用于噴氣噪聲的治理。根據(jù)噴氣量的大小，設(shè)計(jì)通流面積，使高壓氣體通過(guò)節(jié)流孔板時(shí)，壓力降低。因噴氣噪聲的聲功率級(jí)與氣體壓力降的高次方成正比（見(jiàn)工業(yè)噪聲），若用多級(jí)節(jié)流孔板串聯(lián)，使原來(lái)的一次降壓變?yōu)橹鸩浇祲?，便可使輻射的噪聲有效降低，貴港消聲器公司哪家好。節(jié)流降壓消聲器的消聲量約為15～25dB(A)。具有結(jié)構(gòu)簡(jiǎn)單、降噪效果好的優(yōu)點(diǎn)，貴港消聲器公司哪家好，貴港消聲器公司哪家好，但耗用鋼材較多。消聲器的消聲量越大，壓力損失及價(jià)格越大。貴港消聲器公司哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴港消聲器公司哪家好,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172190869141/9583475.png"></div><p style="text-indent:25px">汽車(chē)的排氣消聲器是行車(chē)噪聲處理的主要組成部分，排氣消聲器的主要是通過(guò)減低、衰減排氣壓力的脈動(dòng)來(lái)消除噪聲的。吸收式消聲器：通過(guò)廢氣在玻璃纖維、鋼纖維和石棉等吸音材料商的摩擦而減少其能量；反射式消聲器：有多個(gè)串聯(lián)的協(xié)調(diào)腔與不同長(zhǎng)度的多孔反射管相互連接在一起，廢氣再其中經(jīng)過(guò)多次的反射、碰撞、膨脹、冷卻而降低其壓力，減輕震動(dòng)及能量。汽車(chē)上多是綜合利用不同的消聲原理組合來(lái)設(shè)計(jì)排氣消聲器，同時(shí)在舒適型要求較高的小型乘用車(chē)上還會(huì)采用多個(gè)消聲器單元進(jìn)行多級(jí)的消聲降噪控制。貴港消聲器公司哪家好微穿孔消聲器不怕油霧、水氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴港消聲器公司哪家好,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172171914063/8857663.png"></div><p style="text-indent:25px">阻性消聲器在加工時(shí)，內(nèi)部尺寸不能隨意改變。其阻性消聲片是用木筋制成木框（如設(shè)計(jì)要求用金屬結(jié)構(gòu)，則按設(shè)計(jì)要求加工），內(nèi)填超細(xì)玻璃棉等吸聲材料，外包玻璃布等覆面材料制成。在填充吸聲材料時(shí)，應(yīng)按設(shè)計(jì)的容重，厚度等要求鋪放均勻，覆面層不得破損。裝釘吸聲片時(shí)，與氣流接觸部分均用漆泡釘，其余部分用鞋釘裝訂。釘泡釘時(shí)，在泡釘處加一層墊片，可減少破損現(xiàn)象。對(duì)于容積較大的吸聲片，為了防止因消聲器安裝或移動(dòng)而造成吸聲材料下沉，可在容腔內(nèi)裝設(shè)適當(dāng)?shù)耐袚醢濉?/p><p style="text-indent:25px">消聲器的工作原理主要是讓推動(dòng)彈丸做功的燃?xì)庠谝粋€(gè)相對(duì)于管要大得多的封閉空間內(nèi)釋放熱能，以減少壓強(qiáng)和流速，避免對(duì)口附近的空氣產(chǎn)生過(guò)大的沖擊（也就是產(chǎn)生口噪音——發(fā)射時(shí)的主要噪音）?，F(xiàn)在世界上通用的消音器其原理基本上是通過(guò)降低燃?xì)鉀_出口的速度和流量來(lái)降低較大峰值來(lái)消音。具體的措施是，在消音器內(nèi)裝上若干帶有小孔的消音隔板或鋼絲，或在口安裝一個(gè)口徑比小的橡膠消音器等等來(lái)降低口的較大峰值（也就是提前將燃?xì)庖龅墓A瀉掉），同時(shí)使用低于音速的彈（低速?gòu)棧┙档驮诳諝庵酗w行的呼嘯聲。不管你用什么方法來(lái)降低的聲音，總是要**的一些性能，同時(shí)使自動(dòng)機(jī)工作不正常。所以消音器并沒(méi)有什么制退的作用，也不會(huì)減小后坐力?，F(xiàn)在的一般在膛口處加裝了籠型或桶型消焰器，通過(guò)改變排焰孔的切削角度可以實(shí)現(xiàn)一定的制退作用，但是裝上消音器后膛口裝置的制退作用也消失了。消音器除了通常的消音和消焰作用外，還有一個(gè)附加的好處——在膛口處增加了一個(gè)重物，可以抑止口上跳，減少散布提高精度。蒸汽消聲器體積小，重量輕，安裝簡(jiǎn)便，易維護(hù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴港消聲器公司哪家好,消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172167304688/4088649.png"></div><p style="text-indent:25px">風(fēng)速變化很大的通風(fēng)系統(tǒng)消聲器安裝方法：變徑后直接安裝消聲器，則該處氣流渦流增大，通風(fēng)系統(tǒng)阻力增大。消聲器進(jìn)口處中心區(qū)域氣流來(lái)不及充分衰減，直接沖入消聲器，則此時(shí)消聲器內(nèi)實(shí)際的氣流速度遠(yuǎn)大于消聲器的設(shè)計(jì)氣流速度。則消聲器的實(shí)際有效長(zhǎng)度降低，消聲器實(shí)際效果遠(yuǎn)不能達(dá)到設(shè)計(jì)要求。正確的做法是將變徑后的風(fēng)管延長(zhǎng)直徑的5~8倍后，氣流達(dá)到穩(wěn)態(tài)時(shí)狀況再安裝消聲器，此時(shí)消聲器才能達(dá)到設(shè)計(jì)效果。隨著我國(guó)經(jīng)濟(jì)的快速發(fā)展，人們對(duì)建筑物的要求越來(lái)越高，暖通工程作為工程項(xiàng)目的重要組成部分，其施工質(zhì)量的好差將直接影響到建筑物的使用功能，這就要求有關(guān)工程技術(shù)人員嚴(yán)把暖通工程的施工質(zhì)量，這樣才能夠避免使用過(guò)程中盡量不出問(wèn)題或少出問(wèn)題，一旦出現(xiàn)問(wèn)題可以減少維修費(fèi)用，節(jié)約人力物力，節(jié)省社會(huì)資源。風(fēng)機(jī)消聲器根據(jù)風(fēng)機(jī)進(jìn)出口結(jié)構(gòu)不同，分為圓形結(jié)構(gòu)和矩形結(jié)構(gòu)。貴港消聲器公司哪家好</p><p style="text-indent:25px">消聲器具有安裝方便、消聲效果好、壽命長(zhǎng)等特點(diǎn)。貴港消聲器公司哪家好</p><p style="text-indent:25px">風(fēng)機(jī)設(shè)計(jì)和選用的消聲器應(yīng)考慮下列問(wèn)題：根據(jù)風(fēng)機(jī)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(shè)計(jì)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(biāo)準(zhǔn)，要根據(jù)環(huán)境區(qū)域和等級(jí)，參考有關(guān)國(guó)家或部頒標(biāo)準(zhǔn)。風(fēng)機(jī)噪聲有關(guān)數(shù)據(jù)可由廠(chǎng)家提供，如資料不全，可進(jìn)行估算，要進(jìn)行實(shí)際測(cè)量，以便獲得準(zhǔn)確可靠的數(shù)據(jù)，取得較好的噪聲控制效果。設(shè)計(jì)和選用消聲器應(yīng)特別注意其阻力損失，如果消聲器的消聲量滿(mǎn)足消聲要求，阻力損失很大，那么該消聲器就不是一個(gè)好的消聲器。其次，要避免消聲器的氣流消聲過(guò)大，工業(yè)用風(fēng)機(jī)消聲器的氣流速度應(yīng)控制在10-20m/s；消聲器宜安裝在風(fēng)機(jī)進(jìn)、出口，即離噪聲源較近，以防風(fēng)機(jī)噪聲激發(fā)管路振動(dòng)；如消聲器裝在管路中，則氣流是穩(wěn)定的，消聲效果會(huì)好；對(duì)于降噪要求較高，需要裝幾個(gè)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(huì)影響消聲器的消聲性能。貴港消聲器公司哪家好</p><p style="text-indent:25px">佛山文質(zhì)通風(fēng)設(shè)備有限公司位于大瀝鎮(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))，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。公司致力于為客戶(hù)提供安全、質(zhì)量有保證的良好產(chǎn)品及服務(wù)，是一家有限責(zé)任公司企業(yè)。公司始終堅(jiān)持客戶(hù)需求優(yōu)先的原則，致力于提供高質(zhì)量的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)。文質(zhì)通風(fēng)自成立以來(lái)，一直堅(jiān)持走正規(guī)化、專(zhuān)業(yè)化路線(xiàn)，得到了廣大客戶(hù)及社會(huì)各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1974784.html</p></div></div></div></div></div><div id="7dxjdew" class="page-right twoColRt"><div id="92vspwi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m77la3w" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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