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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="2y3jsev" class="twoCol"><div id="7hvcovh" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gkxtjzbyb/">工控系統(tǒng)及裝備</a>?<a href="http://www.cdcfah.com/cp/third-gkxtjzbyb_qtgkxtjzbdn/">其他工控系統(tǒng)及裝備</a>?調(diào)速風(fēng)機(jī)供應(yīng)商歡迎來(lái)電深圳市馳羽科技供應(yīng)</p><div id="mlxj8ez" class="leftbox clearfix"><h1>調(diào)速風(fēng)機(jī)供應(yīng)商歡迎來(lái)電深圳市馳羽科技供應(yīng)</h1><div id="poabsyk" class="proBig"><div id="pjg827d" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346662474531250/562689.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lkrtfwn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346662474531250/562689.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="77nfbne" 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>調(diào)速風(fēng)機(jī)供應(yīng)商,風(fēng)機(jī)</p><p><span>***更新：</span>2021-01-17 11:14:13</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="mfxzg87" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市馳羽科技有限公司</a></p><p><span>聯(lián)系人：</span>葉斌</p><p><span>郵箱: </span>kevin-ye@chiyutech.com.cn</p><p><span>電話(huà): </span>18566230549</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://chiyukeji.shop.88360.com</p><p><span>手機(jī): </span>0755-28508904</p><p><span>地址: </span>坂田街道南坑社區(qū)雅寶路1號(hào)星河WORLDF棟大廈2601-J5</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="2izlct3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="uijlhyk" class="box"><p><p style="text-indent:25px">軸流風(fēng)機(jī)噪聲分析：一個(gè)輻射噪聲的葉片的上下游具有相同葉片數(shù)、且這個(gè)兩列葉片中的每一個(gè)葉片同時(shí)與一個(gè)轉(zhuǎn)子葉片相遇而在源的兩邊構(gòu)成聲障時(shí)，這個(gè)影響將會(huì)更強(qiáng)。當(dāng)動(dòng)、靜葉之間的距離增加，調(diào)速風(fēng)機(jī)供應(yīng)商，位流干涉影響的減小比尾跡速度變化的影響快得多時(shí)，葉片作為聲障的作用也會(huì)隨著距離的增加而減小。由此可見(jiàn)，至少有三個(gè)參數(shù)影響干涉噪聲的大?。核俣葓?chǎng)波形的葉片形狀（也就是葉片載荷）、葉片列之間的距離和作為聲源的葉片輻射面積，調(diào)速風(fēng)機(jī)供應(yīng)商。非常小的間距可能產(chǎn)生兩個(gè)聲學(xué)影響，調(diào)速風(fēng)機(jī)供應(yīng)商。如果靜葉干涉場(chǎng)在動(dòng)葉上建立的力脈動(dòng)使動(dòng)葉成為一個(gè)聲源，而靜葉則是聲障。羅茨風(fēng)機(jī)要求的精度很高，對(duì)裝配要求也很?chē)?yán)，而離心風(fēng)機(jī)比較松。調(diào)速風(fēng)機(jī)供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="調(diào)速風(fēng)機(jī)供應(yīng)商,風(fēng)機(jī)" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346662474531250/562689.png"></div><p style="text-indent:25px">軸流式風(fēng)機(jī)如何降低噪聲？具體降噪方法如下：(1) 蝸舌傾斜。風(fēng)機(jī)葉輪葉柵氣流的周期性脈動(dòng)速度所產(chǎn)生的周期性脈動(dòng)氣動(dòng)力也使蝸舌相互作用產(chǎn)生旋轉(zhuǎn)噪聲，此噪聲大小與脈動(dòng)氣動(dòng)力的劇烈程度及渦舌的迎風(fēng)面積有關(guān)，把蝸舌做成傾斜式，則同相位的脈動(dòng)氣動(dòng)力的作用面積小了，輻射的噪聲也就減小了。 (2)葉輪入(出)口處加紊流化裝置。在風(fēng)機(jī)葉輪葉片的入口或出口處加紊流化裝置(金屬網(wǎng))可以使葉片背面的層流附面層立即轉(zhuǎn)換成紊流附面層，推遲葉片背面附面層的分離，甚至不分離，葉片后緣裝上網(wǎng)，網(wǎng)后的氣流速度與壓力梯度能迅速變均勻，若網(wǎng)在渦區(qū)中則可將渦區(qū)較大縮小,可進(jìn)一步減噪.排煙風(fēng)機(jī)推薦在葉輪進(jìn)口設(shè)置蒸汽吹掃管道，在停機(jī)時(shí)對(duì)葉輪進(jìn)行清掃。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="調(diào)速風(fēng)機(jī)供應(yīng)商,風(fēng)機(jī)" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661846845703/9994405.png"></div><p style="text-indent:25px">造成離心風(fēng)機(jī)轉(zhuǎn)子不平衡引起的振動(dòng)的原因。離心風(fēng)機(jī)可制成右旋和左旋兩種型式。從電動(dòng)機(jī)一側(cè)正視：葉輪順時(shí)針旋轉(zhuǎn)，稱(chēng)為右旋轉(zhuǎn)風(fēng)機(jī);葉輪逆時(shí)針旋轉(zhuǎn)，稱(chēng)為左旋轉(zhuǎn)風(fēng)機(jī)。造成離心風(fēng)機(jī)轉(zhuǎn)子不平衡引起的振動(dòng)的原因：1、風(fēng)機(jī)葉片總裝后不運(yùn)轉(zhuǎn)、由于葉輪和主軸本身重量、使軸彎曲；2、離心式通風(fēng)機(jī)風(fēng)機(jī)葉片被腐蝕或磨損嚴(yán)重；3、葉輪上的平衡塊脫落或檢修后未找平衡；4、葉輪表面不均勻的附著物，如鐵銹、積灰或?yàn)r青等；5、運(yùn)輸、安裝或其他原因，造成葉輪變形，引起葉輪失去平衡。對(duì)應(yīng)的解決辦法：1、重新檢修，總裝后如長(zhǎng)期不用應(yīng)定期盤(pán)車(chē)以防止軸彎曲；2、修理或更換；3、修補(bǔ)葉輪，重新做動(dòng)靜平衡試驗(yàn)；4、找平衡；5、清理附著物。</p><p style="text-indent:25px">軸流風(fēng)機(jī)的調(diào)試方法：1、軸流風(fēng)機(jī)安置完畢后，在啟動(dòng)前必須檢查風(fēng)機(jī)轉(zhuǎn)動(dòng)的靈活性，用手撥動(dòng)葉片是否有卡殼摩擦現(xiàn)象。檢查風(fēng)機(jī)及相鄰管道內(nèi)是否有遺留東西和別的雜物。2、檢查管道內(nèi)的風(fēng)門(mén)是否處于開(kāi)啟狀態(tài)。3、人員應(yīng)遠(yuǎn)離風(fēng)機(jī)。4、啟動(dòng)風(fēng)機(jī)，檢查扇葉轉(zhuǎn)向是否與旋轉(zhuǎn)標(biāo)識(shí)標(biāo)記的相符合，在檢查合格后，試運(yùn)行10-30分鐘后停止，檢查葉片有無(wú)松動(dòng)現(xiàn)象，減振座與底子連接螺栓有無(wú)松動(dòng)，一切正常后，才正式啟動(dòng)，投入運(yùn)行。運(yùn)行檢查：軸流風(fēng)機(jī)在運(yùn)行的時(shí)候，主要監(jiān)控電機(jī)的電流，電流不但是風(fēng)機(jī)負(fù)荷的標(biāo)記，也是一些異常變化的預(yù)報(bào)。此外，要常常檢查電機(jī)與風(fēng)機(jī)的振動(dòng)是否正常及有無(wú)摩擦、異常響聲。對(duì)并聯(lián)運(yùn)行的風(fēng)機(jī)應(yīng)注意檢查風(fēng)機(jī)是否在喘振狀態(tài)下運(yùn)行。在正常運(yùn)行中，如遇下列環(huán)境應(yīng)當(dāng)即停機(jī)檢測(cè)：1、軸流風(fēng)機(jī)產(chǎn)生強(qiáng)烈振動(dòng)或碰擦聲；2、電機(jī)電流忽然上升，并超過(guò)電機(jī)的額定電流；3、電機(jī)軸承溫度急劇上升。高溫離心風(fēng)機(jī)定期更換潤(rùn)滑油。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="調(diào)速風(fēng)機(jī)供應(yīng)商,風(fēng)機(jī)" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661768886719/7046513.png"></div><p style="text-indent:25px">對(duì)離心風(fēng)機(jī)盤(pán)管的溫度提出的要求：當(dāng)風(fēng)機(jī)盤(pán)管機(jī)組的運(yùn)轉(zhuǎn)環(huán)境溫度供冷時(shí)，溫度操控在16～36℃，供熱時(shí)則為10～30℃。一起還要留意，不能將離心風(fēng)機(jī)盤(pán)管設(shè)備于有腐蝕性氣體的區(qū)域，避免對(duì)其形成不良影響。其實(shí)在設(shè)備離心風(fēng)機(jī)盤(pán)管之前，要先查看是否有對(duì)應(yīng)機(jī)組的滿(mǎn)意的設(shè)備、檢修空間；一起承認(rèn)管路和電氣線的空間和安頓。要去離心風(fēng)機(jī)盤(pán)管機(jī)組的吊點(diǎn)綴應(yīng)緊固且需求有滿(mǎn)意的強(qiáng)度，以承受機(jī)組分量以及運(yùn)轉(zhuǎn)時(shí)的振動(dòng)。設(shè)備的時(shí)分，制止手執(zhí)風(fēng)機(jī)蝸殼或葉輪搬運(yùn)機(jī)組，并要臥式暗裝離心風(fēng)機(jī)盤(pán)管機(jī)組水平吊裝，不然或許引起冷凝水外溢。別的，主張客戶(hù)選用直徑6-8mm全螺紋螺桿合作平墊片、彈簧墊圈和螺母固定。如果是高溫、多塵的工作環(huán)境條件，那么所選擇的傳動(dòng)方式還要考慮電動(dòng)機(jī)、軸承的防護(hù)和冷卻問(wèn)題。上海調(diào)速風(fēng)機(jī)推薦</p><p style="text-indent:25px">電能消耗，由于前傾離心風(fēng)機(jī)的效率要低于后傾離心風(fēng)機(jī)，因此其電能消耗要大于后傾離心風(fēng)機(jī)。調(diào)速風(fēng)機(jī)供應(yīng)商</p><p style="text-indent:25px">離心風(fēng)機(jī)蝸殼和蝸舌的作用及設(shè)計(jì)要求：離心風(fēng)機(jī)效率的高低以及性能的好壞除了取決于葉輪之外，蝸殼及蝸舌的形狀及大小，也會(huì)起到一定的影響。一、蝸殼：蝸殼的作用是收集葉輪中甩出的氣體，使其流向排氣口，并在這個(gè)流動(dòng)過(guò)程中使氣體從葉輪處的動(dòng)壓能一部分轉(zhuǎn)化為靜壓能，形成一定的風(fēng)壓。蝸殼的外型：對(duì)數(shù)螺旋線線。蝸殼出口擴(kuò)壓器：因?yàn)闅饬鲝奈仛ち鞒鰰r(shí)向葉輪方向偏斜，所以擴(kuò)壓器一般做成向葉輪一邊擴(kuò)大，其擴(kuò)散角θ通常為6°~8°。二、蝸舌：離心風(fēng)機(jī)的蝸殼出口處有舌狀結(jié)構(gòu)，一般被稱(chēng)為蝸舌。蝸舌可以防止氣體在機(jī)殼內(nèi)循環(huán)流動(dòng)。蝸舌頂端與葉輪外徑的間隙s，對(duì)噪聲的影響較大。間隙s小，噪聲大；間隙s大，噪聲減小。一般取s=（0.05~0.10）D2。蝸舌頂端的圓弧r，對(duì)風(fēng)機(jī)氣動(dòng)力性能無(wú)明顯影響，但對(duì)噪聲影響較大。圓弧半徑r小，噪聲增大，一般取r=（0.03~0.06）D2。調(diào)速風(fēng)機(jī)供應(yīng)商</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2887961.html</p></div></div></div></div></div><div id="u7hjqxj" class="page-right twoColRt"><div id="338kriz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xryfw7s" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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