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src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661937695313/9911897.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d2iprya" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661937695313/9911897.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tikzqnk" 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>東莞小型風(fēng)機(jī)銷售廠家,風(fēng)機(jī)</p><p><span>***更新：</span>2021-01-31 07:12:25</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="qkhjl2g" 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: </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="banp8gm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="m8mjqsk" class="box"><p><p style="text-indent:25px">離心式風(fēng)機(jī)與軸流風(fēng)機(jī)在機(jī)械通風(fēng)中的作用：由于氣溫和糧溫相差較大，通風(fēng)時(shí)間要選在白天，以減小糧溫和氣溫的差距，減輕結(jié)露的發(fā)生。以后的通風(fēng)盡量選在晚上進(jìn)行，東莞小型風(fēng)機(jī)銷售廠家，因?yàn)楸敬瓮L(fēng)是以降溫為主，晚上大氣濕度相對(duì)偏高、溫度較低，這樣即減少了水份損耗，又充分利用了晚上的低溫，提高了降溫效果。用離心式風(fēng)機(jī)通風(fēng)初期有可能會(huì)出現(xiàn)門窗、墻壁結(jié)露，甚至表層糧面輕微結(jié)露，只要停止風(fēng)機(jī)，打開窗戶，東莞小型風(fēng)機(jī)銷售廠家，東莞小型風(fēng)機(jī)銷售廠家，開啟軸流風(fēng)機(jī)，必要時(shí)翻動(dòng)糧面，將倉內(nèi)的濕熱空氣排除倉外可以。而用軸流風(fēng)機(jī)進(jìn)行緩速通風(fēng)不會(huì)出現(xiàn)結(jié)露現(xiàn)象，只會(huì)出現(xiàn)中上層糧溫緩慢上升，隨著通風(fēng)的繼續(xù)進(jìn)行糧溫會(huì)平穩(wěn)下降。離心風(fēng)機(jī)一種典型的通風(fēng)換氣設(shè)備。東莞小型風(fēng)機(jī)銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞小型風(fēng)機(jī)銷售廠家,風(fēng)機(jī)" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661937695313/9911897.png"></div><p style="text-indent:25px">不銹鋼離心風(fēng)機(jī)維護(hù)保養(yǎng)注意事項(xiàng)有哪些？1、在試驗(yàn)運(yùn)行中不少于兩個(gè)人，一個(gè)控制電源，一個(gè)觀察風(fēng)葉的運(yùn)行，并立即停止檢查異?，F(xiàn)象;檢查旋轉(zhuǎn)方向是否正確;不銹鋼離心風(fēng)機(jī)開始運(yùn)行后，應(yīng)檢查各相的運(yùn)行電流是否平衡;電流是否超過額定電流;如果有異?，F(xiàn)象，應(yīng)停止檢查。運(yùn)行5分鐘后，停止風(fēng)扇，檢查是否有異?，F(xiàn)象，確認(rèn)無異?，F(xiàn)象，然后開始運(yùn)行。2、不銹鋼離心風(fēng)機(jī)試運(yùn)轉(zhuǎn)時(shí)，應(yīng)以低速起動(dòng)，檢查轉(zhuǎn)速方向是否正確;高速起動(dòng)時(shí)，必須等待風(fēng)機(jī)靜止后再起動(dòng)，以防止高速反向旋轉(zhuǎn)，造成開關(guān)跳閘和電機(jī)損壞。3、不銹鋼離心風(fēng)機(jī)試驗(yàn)時(shí)，應(yīng)以低速起動(dòng)，檢查轉(zhuǎn)速方向是否正確;高速起動(dòng)時(shí)，必須等待風(fēng)機(jī)重新起動(dòng)后再起動(dòng)，以防止高速反轉(zhuǎn)和開關(guān)跳閘及電機(jī)損壞。廣州排煙風(fēng)機(jī)供應(yīng)商高溫軸流風(fēng)機(jī)，耐溫并不是很高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞小型風(fēng)機(jī)銷售廠家,風(fēng)機(jī)" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661974033203/4910412.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)增強(qiáng)葉柵的氣動(dòng)力栽荷，降低圓周速度。對(duì)于風(fēng)機(jī)采用強(qiáng)前向葉片，且多葉片葉輪有利于增大葉柵的氣動(dòng)力載荷，在得到同樣風(fēng)量風(fēng)壓情況下，葉輪葉片外圓上圓周速度可使風(fēng)機(jī)噪聲明顯降低。 (2)合理的蝸舌間隙和蝸舌半徑。當(dāng)氣流與葉片做相對(duì)運(yùn)動(dòng)時(shí)，葉片后緣的氣流尾跡中速度及壓力均小于主流區(qū)，使葉柵后的氣流速度與壓力分布皆不均勻，這種不均勻的氣流在旋轉(zhuǎn)，由于在動(dòng)葉的氣流出口有蝸舌存在，則這種非穩(wěn)定流動(dòng)與蝸舌相互作用將產(chǎn)生噪聲，距離噪聲愈近噪聲愈烈，通常適當(dāng)取較大的風(fēng)舌前端半徑可以降低離心風(fēng)機(jī)的旋轉(zhuǎn)噪聲與渦流噪聲。</p><p style="text-indent:25px">不銹鋼離心風(fēng)機(jī)維護(hù)保養(yǎng)注意事項(xiàng)有哪些?不銹鋼離心風(fēng)機(jī)定期進(jìn)行維護(hù)保養(yǎng)，可有效降低離心風(fēng)機(jī)運(yùn)轉(zhuǎn)故障率，提高設(shè)備使用效率，不銹鋼離心風(fēng)機(jī)維護(hù)保養(yǎng)時(shí)應(yīng)以低速起動(dòng)，檢查轉(zhuǎn)速方向是否正確;高速起動(dòng)時(shí)，必須等待風(fēng)機(jī)重新起動(dòng)后再起動(dòng)，以防止高速反轉(zhuǎn)和開關(guān)跳閘及電機(jī)損壞。不銹鋼離心風(fēng)機(jī)的維護(hù)要注意時(shí)間和元件的兩個(gè)重要因素。1、不銹鋼離心風(fēng)機(jī)允許全電壓?jiǎn)?dòng)或降壓電機(jī)，但應(yīng)注意，全電壓?jiǎn)?dòng)的電流大約是額定電流的5-7倍，降壓?jiǎn)?dòng)扭矩與電壓的平方成比例。當(dāng)電網(wǎng)容量不足時(shí)，應(yīng)采用降壓起動(dòng)。2、不銹鋼離心風(fēng)機(jī)的試驗(yàn)運(yùn)行中，應(yīng)仔細(xì)閱讀產(chǎn)品說明書，檢查接線方法是否符合接線圖，向風(fēng)機(jī)供電的工作電壓是否滿足要求，電源是否異相或同相，以及部件的容量。軸流式通風(fēng)機(jī)全壓起動(dòng)時(shí)的電流約為5~7倍的額定電流，降壓起動(dòng)轉(zhuǎn)距與電流平方成正比。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞小型風(fēng)機(jī)銷售廠家,風(fēng)機(jī)" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661908691407/7591375.png"></div><p style="text-indent:25px">軸流式風(fēng)機(jī)緊固件的失效和控制措施：風(fēng)機(jī)葉輪輸出轉(zhuǎn)速為127／min ，承受載荷較大，是典型的低速重載設(shè)備。風(fēng)機(jī)運(yùn)轉(zhuǎn)時(shí)，系統(tǒng)中的各個(gè)零件都將承受載荷，尤其電機(jī)和減速機(jī)，承受傳遞轉(zhuǎn)矩所帶來的較大載荷冬季風(fēng)機(jī)停運(yùn)時(shí)，受濕熱蒸汽以及外界風(fēng)力的驅(qū)動(dòng)作用，有時(shí)產(chǎn)生速度較高的正向自轉(zhuǎn)，可高高達(dá)50-60r／min ，靠人力無法停止，這時(shí)突開反轉(zhuǎn)，由于是原動(dòng)機(jī)，風(fēng)機(jī)部件都還存在轉(zhuǎn)動(dòng)慣量，電機(jī)、傳動(dòng)軸、齒輪及葉片的運(yùn)行不同步，依次滯后，即當(dāng)電機(jī)反轉(zhuǎn)瞬間，傳動(dòng)軸由于自轉(zhuǎn)的轉(zhuǎn)動(dòng)慣量仍在按原方式運(yùn)行，當(dāng)傳動(dòng)軸進(jìn)入自轉(zhuǎn)瞬間，齒輪也由于自轉(zhuǎn)的轉(zhuǎn)動(dòng)慣量仍在按原方式運(yùn)行，依次類推，這樣處于這四者之間的聯(lián)接螺栓就會(huì)受到大小相等、方向相反的外力耦矩作用，從而形成過扭矩，使螺栓所受各力瞬間發(fā)生由大至小、再由小到大的矢量變化，對(duì)螺栓產(chǎn)生強(qiáng)烈沖擊從而形成較大的載荷變化，使螺紋副之間和法蘭支承面之間的摩擦力可能瞬時(shí)消失，破壞自鎖，產(chǎn)生失效。軸流式通風(fēng)機(jī)在試車時(shí)電源是否缺相或同相位，所配電器元件的容量是否合適要求。廣州排煙風(fēng)機(jī)供應(yīng)商</p><p style="text-indent:25px">風(fēng)機(jī)啟動(dòng)前必需檢查風(fēng)機(jī)及管道內(nèi)有無妨礙轉(zhuǎn)動(dòng)的物品,如有則應(yīng)去除后方可啟動(dòng)。東莞小型風(fēng)機(jī)銷售廠家</p><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)在動(dòng)葉進(jìn)出氣邊上設(shè)鋸齒形結(jié)構(gòu)。在動(dòng)葉進(jìn)出氣邊上設(shè)鋸齒形結(jié)構(gòu)可使葉片上氣流層流附面層較早地轉(zhuǎn)化為紊流，從而避免層流附面層中的不穩(wěn)定波導(dǎo)致渦流分離，使渦流分離，噪聲降低。 (2）在蝸舌處設(shè)置聲學(xué)共振器。蝸舌處設(shè)置聲學(xué)共振器，當(dāng)聲波傳到共振器時(shí)，小孔孔徑和空腔中的氣體存聲波作用下來回運(yùn)動(dòng)，這運(yùn)動(dòng)的氣體具有一定的質(zhì)量，它抗拒由于聲波作用而引起的運(yùn)動(dòng)，同時(shí)聲波進(jìn)入小孔孔徑時(shí)，由于頸壁的摩擦和阻尼，使相當(dāng)一部分聲能因熱耗而損失掉。另外充滿氣體的空腔具有阻礙來自小孔的壓力變化的特性，由于這些因素的共同作用，當(dāng)氣體通過共振器時(shí)，噪聲得到了降低。東莞小型風(fēng)機(jī)銷售廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3092331.html</p></div></div></div></div></div><div id="pz8oli7" class="page-right twoColRt"><div id="2wwogya" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nk3kvhj" 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)" 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