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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>濟南中壓風(fēng)機批發(fā),風(fēng)機</p><p><span>***更新：</span>2021-01-22 07:11:14</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="wvnfceb" 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: </span>0755-28508904</p><p><span>地址: </span>坂田街道南坑社區(qū)雅寶路1號星河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="c2cphur" class="page-proshow02"><p class="title">詳細說明</p><div id="fphz2qn" class="box"><p><p style="text-indent:25px">軸流式風(fēng)機緊固件的失效和控制措施：風(fēng)機葉輪輸出轉(zhuǎn)速為127／min ，承受載荷較大，是典型的低速重載設(shè)備。風(fēng)機運轉(zhuǎn)時，系統(tǒng)中的各個零件都將承受載荷，尤其電機和減速機，濟南中壓風(fēng)機批發(fā)，承受傳遞轉(zhuǎn)矩所帶來的較大載荷冬季風(fēng)機停運時，受濕熱蒸汽以及外界風(fēng)力的驅(qū)動作用，有時產(chǎn)生速度較高的正向自轉(zhuǎn)，可高高達50-60r／min ，靠人力無法停止，這時突開反轉(zhuǎn)，由于是原動機，風(fēng)機部件都還存在轉(zhuǎn)動慣量，電機、傳動軸、齒輪及葉片的運行不同步，依次滯后，濟南中壓風(fēng)機批發(fā)，即當(dāng)電機反轉(zhuǎn)瞬間，傳動軸由于自轉(zhuǎn)的轉(zhuǎn)動慣量仍在按原方式運行，濟南中壓風(fēng)機批發(fā)，當(dāng)傳動軸進入自轉(zhuǎn)瞬間，齒輪也由于自轉(zhuǎn)的轉(zhuǎn)動慣量仍在按原方式運行，依次類推，這樣處于這四者之間的聯(lián)接螺栓就會受到大小相等、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，對螺栓產(chǎn)生強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消失，破壞自鎖，產(chǎn)生失效。風(fēng)機剛剛開始工作時，軸承部位的振動是很小的，但是隨著使用時間的增加，其振動會逐步增大。濟南中壓風(fēng)機批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟南中壓風(fēng)機批發(fā),風(fēng)機" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661806582032/1786607.png"></div><p style="text-indent:25px">軸流風(fēng)機常見的葉片損壞類型：1、前緣腐蝕：前緣腐蝕導(dǎo)致翼型變化。由于翼型發(fā)生形變，葉片捕捉的能量就會減少5%以上，前緣損壞在早期容易修補。2、前緣開裂如果發(fā)現(xiàn)葉片前緣開裂，要盡快修補。如果不及時修補，開裂越變越長，在空氣作用下，蒙皮就會出現(xiàn)脫開、開裂。如果葉片蒙皮開裂6英尺以下時還可以勉強修補，如果開裂再多就不得不更換整個葉片了，這意味著高額的材料、維修費用和較長時間的發(fā)電損失。3、后緣損壞：后緣損壞在早期容易處理，如果置之不理，聽任發(fā)展，輕微的后緣損壞就會導(dǎo)致大問題。從下面的照片中可以看見，裂縫沿著葉片弦向裂開，直通到梁，然后沿著梁撕裂，這個葉片已經(jīng)接近災(zāi)難性失效了。深圳工業(yè)風(fēng)機推薦冷卻水、潤滑油管道布置應(yīng)符合圖紙要求，布置正確、美觀，且管道內(nèi)不得有雜物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟南中壓風(fēng)機批發(fā),風(fēng)機" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346662474531250/562689.png"></div><p style="text-indent:25px">軸流風(fēng)機葉片：風(fēng)機葉片是發(fā)電機組的動力源泉，是風(fēng)電機組的關(guān)鍵部件之一，葉片狀態(tài)的好壞直接影響到整機的性能和發(fā)電效率，應(yīng)該引起風(fēng)電企業(yè)的高度重視。風(fēng)機多是安裝在環(huán)境惡劣、海拔高、氣候復(fù)雜的地區(qū)，而葉片又恰恰是工作在高空、全天候條件下，經(jīng)常受到空氣介質(zhì)、大氣射線、沙塵、雷電、暴雨、冰雪的侵襲，其故障率在整機中約占三分之一以上。定期檢查，早期發(fā)現(xiàn)，盡快采取措施，把問題解決在萌芽狀態(tài)是避免事故、減少風(fēng)險、穩(wěn)定電場收益的較有效方式。如果對問題的萌芽和苗頭不重視，時間越長，問題積累越多，后果就越嚴重。由于葉片的事故多發(fā)在盛風(fēng)期，停機修復(fù)必將帶來很大的經(jīng)濟損失，如果是葉片徹底失效，不得不更換，造價昂貴的葉片，加上定貨、運輸、安裝、調(diào)試……，企業(yè)將面臨發(fā)電損失、高額的葉片費用和維修費用。葉片的設(shè)計壽命應(yīng)該與主機一樣至少工作20年，但是只有對葉片進行定期維護、維修，精心呵護，才能保證葉片與風(fēng)機的其他部件一樣長期穩(wěn)定的工作，才能為電場安全運行提供有力的保障。</p><p style="text-indent:25px">離心風(fēng)機和軸流風(fēng)機主要區(qū)別在于：1、離心風(fēng)機改變了風(fēng)管內(nèi)介質(zhì)的流向，而軸流風(fēng)機不改變風(fēng)管內(nèi)介質(zhì)的流向；2、前者安裝較復(fù)雜；3、前者電機與風(fēng)機一般是通過皮帶帶動轉(zhuǎn)動輪連接的，后者電機一般在風(fēng)機內(nèi)；4、前者常安裝在空調(diào)機組進、出口處，鍋爐鼓、引風(fēng)機，等等。后者常安裝在風(fēng)管當(dāng)中、或風(fēng)管出口前端。此外還有斜流（混流）風(fēng)機，風(fēng)壓系數(shù)比軸流風(fēng)機高，流量系數(shù)比離心風(fēng)機大。填補了軸流風(fēng)機和離心風(fēng)機之間的空白。同時具備安裝簡單方便的特點?；炝魇剑ɑ蜉S向沖流式）風(fēng)機結(jié)合了軸流式和離心式風(fēng)機的特征，盡管它看起來更像傳統(tǒng)的軸流式風(fēng)機。將彎曲板形葉片焊接在圓錐形鋼輪轂上。通過改變?nèi)~輪上游入口外殼中的葉片角度來改變流量。機殼可具有敞開的入口，但更常見的情況是，它具有直角彎曲形狀，使電機可以放在管道外部。排泄殼緩慢膨脹，以放慢空氣或氣體流的速度，并將動能轉(zhuǎn)換為有用的靜態(tài)壓力。去掉蝸殼后，離心風(fēng)機的Z大風(fēng)量也有所增大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟南中壓風(fēng)機批發(fā),風(fēng)機" src="https://tyunfile.71360.com/UploadFile/chiyukeji/637346661908691407/7591375.png"></div><p style="text-indent:25px">軸流通風(fēng)機使用前該注意的因素：軸流式通風(fēng)機可用于冶金、化工、輕工、食物、醫(yī)藥及平易近用建筑等場所透風(fēng)換氣或增強散熱之用。具體可用在五金加工車間，機械車間，紡織車間，服裝車間，印染，制鞋，塑膠，注塑，壓鑄，熱處置，鑄造，玻璃制品，噴涂，電鍍，電子，化工，冶金，皮革，玩具，家電制造等場所。 1.軸流式通風(fēng)機允許全壓起動或降壓起動，但應(yīng)注重，全壓起動時的電流約為5~7倍的額定電流，降壓起動轉(zhuǎn)距與電流平方成正比，當(dāng)電網(wǎng)容量不足時，應(yīng)采用降壓起動。 2.軸流式通風(fēng)機在試車時，應(yīng)認真閱讀產(chǎn)物說明書，檢查接線方式是否同接線圖相符；應(yīng)認真檢查供給風(fēng)機電源的工作電壓是否合適要求，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。高溫離心風(fēng)機需要持續(xù)接入冷卻水。濟南中壓風(fēng)機批發(fā)</p><p style="text-indent:25px">風(fēng)機的運行電流不能跨越其額定電流。濟南中壓風(fēng)機批發(fā)</p><p style="text-indent:25px">軸流式風(fēng)機產(chǎn)生噪聲的原因及解決方法：一、風(fēng)機離散噪聲(旋轉(zhuǎn)噪聲)：與葉輪的旋轉(zhuǎn)有關(guān)。特別在高速、低負荷情況下，這種噪聲尤為突出。離散噪聲是由于葉片周圍不對稱結(jié)構(gòu)與葉片口設(shè)計試驗旋轉(zhuǎn)所形成的周向不均勻流場相互作用而產(chǎn)生的噪聲，一般認為有以下三種：(1)進風(fēng)口前由于前導(dǎo)葉或金屬網(wǎng)罩存在而產(chǎn)生的進氣干涉噪聲。(2)葉片在不光滑或不對稱機殼中產(chǎn)生的旋轉(zhuǎn)頻率噪聲。(3)軸流式風(fēng)機后導(dǎo)葉的存在而產(chǎn)生的出口干涉噪聲,離散噪聲具有離散的頻譜特性，基頻( i=1時對應(yīng)的頻率)噪聲較強，高次諧波依此遞減。濟南中壓風(fēng)機批發(fā)</p></p><br /><p>文章來源地址: 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