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class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023558720704/9336477.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2bnjv2u" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南通臥式離心泵廠家,離心泵</p><p><span>***更新：</span>2021-01-03 09:06:31</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="vtahtkw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">靖江市瑞鑫泵業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>王宇琳</p><p><span>郵箱: </span>www17768716667@163.com</p><p><span>電話: </span>17768716667</p><p><span>傳真: </span>0523_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0523-84326878</p><p><span>地址: </span>新橋鎮(zhèn)水三村巴五圩14號</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="icjamie" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nrtkrnj" class="box"><p><p> 已知吸入管路的全部阻力為，當(dāng)?shù)卮髿鈮簽椤?04Pa，液體在吸入管路中的動(dòng)壓頭可忽略。試計(jì)算：1輸送20℃清水時(shí)離心泵的安裝。2改為輸送80℃水時(shí)離心泵的安裝高度。解：1輸送20℃清水時(shí)泵的安裝高度。已知：Hs=Hf0-1=u12/2g≈0當(dāng)?shù)卮髿鈮簽椤?04Pa，與泵出廠時(shí)的實(shí)驗(yàn)條件基本相符，所以泵的安裝高度為Hg=m。2輸送80℃水時(shí)泵的安裝高度輸送80℃水時(shí)，不能直接采用泵樣本中的Hs值計(jì)算安裝高度，需按下式對Hs時(shí)行換算，即Hs1=Hs+Ha－－Hυ－已知Ha=×104Pa≈10mH2O，由附錄查得80℃水的飽和蒸汽壓為。Hv=×103Pa=mH2OHs1=－－將Hs1值代入式中求得安裝高度Hg=Hs1－Hf0-1=－－Hg為負(fù)值，表示泵應(yīng)安裝在水池液面以下，至少比液面低單級雙吸離心泵單級雙吸離心泵為新型節(jié)能水泵，同等用能條件下，其運(yùn)行效率可高出原水泵近20%1.結(jié)構(gòu)緊湊外形美觀，穩(wěn)定性好，便于安裝，南通臥式離心泵廠家。2.運(yùn)行平穩(wěn)優(yōu)化設(shè)計(jì)的雙吸葉輪使軸向力減小到zui低限度，且有優(yōu)異水力性能的葉型，并經(jīng)精密鑄造，泵殼內(nèi)表面及葉輪表面極其光華具有的抗汽蝕性能和率。3.軸承選用SKF及NSK軸承保證運(yùn)行平穩(wěn)，噪音低，使用壽命長。4.軸封選用BURGMANN機(jī)械密封或填料密封。能保證8000小時(shí)運(yùn)行無泄漏，南通臥式離心泵廠家。5，南通臥式離心泵廠家.安裝形式裝配時(shí)不需調(diào)整。江蘇地區(qū)銷售離心泵——靖江市瑞鑫泵業(yè)有限公司提供。南通臥式離心泵廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通臥式離心泵廠家,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023558720704/9336477.png"></div><p> 安裝原因：基礎(chǔ)螺栓松脫、校調(diào)的水平度沒有調(diào)整好，在離心泵工作之前，要檢查一下其基礎(chǔ)螺栓是否有松動(dòng)的現(xiàn)象，以及離心泵的安裝是否水平。這些也會(huì)造成離心泵在工作的時(shí)候發(fā)生振動(dòng)的情況。 </p> <p> 離心泵內(nèi)有異物。在離心泵工作之前，要檢查下泵內(nèi)部，由于長期使用，在離心泵的內(nèi)部可能存在一些例如水中的雜草等異物。 </p> <p> 由于長時(shí)間的使用造成離心泵內(nèi)部的氣蝕穿孔。 </p> <p> 離心泵的設(shè)計(jì)方面存在不合理的情況，例如零件大小尺寸等問題。不過這種情況相對較少。離心泵在出廠之前，都會(huì)在車間內(nèi)部進(jìn)行多次的檢測工作，以保證出廠離心泵的合格率。南通耐酸離心泵生產(chǎn)靖江市瑞鑫泵業(yè)有限公司——?dú)g迎您的來電詳詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通臥式離心泵廠家,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261653946699218/2958278.png"></div><p> 這些原因包括：a.泵和電動(dòng)機(jī)未對準(zhǔn)——這無可爭辯的是泵內(nèi)產(chǎn)生振動(dòng)的常見原因(其他原因，參考"外部原因引起的振動(dòng)")。應(yīng)該注意的是，按照泵生產(chǎn)商建議(而非聯(lián)軸器生產(chǎn)商的限制范圍)進(jìn)行校準(zhǔn)極為重要。(聯(lián)軸器通?？梢员缺没螂妱?dòng)機(jī)承受的未校準(zhǔn)值更大，但是負(fù)荷將傳送至泵或電動(dòng)機(jī)。)b.旋轉(zhuǎn)不當(dāng)——雖然在方向錯(cuò)誤的情況下泵也將旋轉(zhuǎn)，但是流量和轉(zhuǎn)頭將減少，且由于流體動(dòng)力學(xué)可能產(chǎn)生振動(dòng)。旋轉(zhuǎn)應(yīng)進(jìn)行檢查并校正。(改變?nèi)嚯妱?dòng)機(jī)的任意兩根導(dǎo)線，并在確認(rèn)泵能以預(yù)期旋轉(zhuǎn)運(yùn)行后檢查電動(dòng)機(jī)上的標(biāo)示牌以糾正單相電動(dòng)機(jī)上的導(dǎo)線。)c.曲軸——曲軸可能由一些與場地有關(guān)的問題引起并能導(dǎo)致振動(dòng)產(chǎn)生。通常情況下，曲軸將不相等負(fù)荷傳遞至軸承和閥座并引起過早磨損，即使在正常觀測實(shí)踐條件下這種磨損水平不足以被檢測到。誠然，在底腳固定框架式泵上檢查軸的準(zhǔn)確度或"擺度"相對較容易，因?yàn)榭蚣苄纬闪艘粋€(gè)平臺(tái)，便于檢查。所有故障部件的檢查通常將顯示引起故障的原因，包括在閥座和軸承內(nèi)的故障原因。d.軸承磨損/故障——正如其他討論所示，潤滑不足或潤滑不當(dāng)可以加速軸承磨損并引起振動(dòng)。但是即使是在"完好"條件下，軸承也將出現(xiàn)磨損并因疲勞而出現(xiàn)故障。</p><p> 08泵振動(dòng)或噪音超標(biāo)故障分析：地腳螺栓松動(dòng)或底座焊接不合格；泵發(fā)生流蝕（流量過大，吸入阻力增加或液體操作溫度過高）；泵發(fā)生喘振。系統(tǒng)凈揚(yáng)程壓力高于泵關(guān)死壓力）葉輪損壞或有異物。解決方法：擰緊地腳螺栓，對底座焊接重新檢查，如果必要，底座重新焊接；檢查原因并排除制；檢查排出也為和壓力是否過高；拆開泵體檢查，更換、去除異物。09軸承過熱故障分析：軸承裝配不合格；潤滑油不足，油質(zhì)差或老化；冷卻水量不足或斷路。解決方法：檢查，調(diào)整；加足油或換油；檢查后增加水量。10軸封過熱故障分析：填料密封壓得過緊；機(jī)械密封有故障。解決方法：調(diào)整密封壓力；檢查、修理或更換機(jī)械密封。電潛泵的常見故障及解決方法01泵無法啟動(dòng)故障分析：電源電壓過低開；電源斷電；葉輪卡死；電纜斷裂；電泵被海生物或海里雜物纏繞；電纜兩端接線松動(dòng)；定子繞組燒壞。解決方法：調(diào)整電壓在額定電壓的±10%之間；查找電源斷電原因；拆泵，卡輪雜物；檢查防海生物裝置是否啟動(dòng)且有效，必要的話，放海底機(jī)器人探測是否有異物纏繞；檢查，并重新鎮(zhèn)卻連線；起泵，送廠家或維修單位更換繞組。02泵出水少故障分析：揚(yáng)程過高；泵進(jìn)口阻塞；葉輪轉(zhuǎn)向錯(cuò)誤；葉輪磨損；口環(huán)磨損、泄露。江蘇供應(yīng)離心泵——靖江市瑞鑫泵業(yè)有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通臥式離心泵廠家,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969247363281/978912.png"></div><p> 密封面表面滑溝，端面貼合時(shí)出現(xiàn)缺口導(dǎo)致密封元件失效，主要原因有： </p> <p> 液體介質(zhì)不清潔，有微小質(zhì)硬的顆粒，以很高的速度滑人密封面，將端面表面劃傷而失效。 </p> <p> 機(jī)泵傳動(dòng)件同軸度差，泵開啟后每轉(zhuǎn)一周端面被晃動(dòng)摩擦一次，動(dòng)環(huán)運(yùn)行軌跡不同心，造成端面汽化，過熱磨損。 </p> <p> 液體介質(zhì)水力特性的頻繁發(fā)生引起泵組振動(dòng)，造成密封面錯(cuò)位而失效。 </p> <p> 液體介質(zhì)對密封元件的腐蝕，應(yīng)力集中，軟硬材料配合，沖蝕，輔助密封0形環(huán)，V形環(huán)，凹形環(huán)與液體介質(zhì)不相容，變形等都會(huì)造成機(jī)械密封表面損壞失效，所以對其損壞形式要綜合分析，找出根本原因，保證機(jī)械密封長時(shí)間運(yùn)行。上海離心泵——靖江市瑞鑫泵業(yè)有限公司。南通臥式離心泵廠家</p><p style="text-indent:25px">江蘇地區(qū)定制離心泵——靖江市瑞鑫泵業(yè)有限公司。南通臥式離心泵廠家</p><p> 將需要增加NPSH或排空現(xiàn)有系統(tǒng)內(nèi)的攜入空氣。c.腐蝕和沖蝕——雖然腐蝕和沖蝕問題極易被視為"內(nèi)部問題"，但是其根源在于為泵的抽送能力選擇材料時(shí)的不當(dāng)。腐蝕或沖蝕產(chǎn)生的損壞可能毀壞葉輪或頸環(huán)，導(dǎo)致機(jī)械的振動(dòng)超出限度。需分析泵的抽送能力才能解決這一問題。即使受沙礫沖蝕較厲害，仍需按照步驟更換材料以根除問題或延長MTBF。d.葉輪的不平衡——按照ISO標(biāo)準(zhǔn)1940/1，葉輪應(yīng)該切割到大運(yùn)行速度時(shí)的恰當(dāng)直徑并實(shí)現(xiàn)動(dòng)態(tài)平衡()，該平衡級允許轉(zhuǎn)速為1800時(shí)每盎司泵輪重量產(chǎn)生(轉(zhuǎn)速為3600時(shí)為)。如果在現(xiàn)有泵上切割葉輪，按照標(biāo)準(zhǔn)平衡葉輪時(shí)出現(xiàn)初始故障或重新平衡失敗將導(dǎo)致振動(dòng)超出可接受的范圍。這一點(diǎn)在各種大、小機(jī)械上均很重要，因?yàn)橐呀⒌臉?biāo)準(zhǔn)考慮了機(jī)械的總質(zhì)量以及葉輪對振動(dòng)產(chǎn)生的影響。的解決方法是拆掉葉輪重新進(jìn)行平衡。e.電動(dòng)機(jī)轉(zhuǎn)動(dòng)元件的不平衡——這是一種少見的制造缺點(diǎn)。有關(guān)電動(dòng)機(jī)平衡測試要求請見美國電氣制造業(yè)協(xié)會(huì)(NEMA)的標(biāo)準(zhǔn)MG-12007第1節(jié)第7部分。通常情況下，被確定為電動(dòng)機(jī)轉(zhuǎn)子不平衡(通過斷開電動(dòng)機(jī)并由其自行運(yùn)轉(zhuǎn))的問題實(shí)際上是曲軸或軸承故障問題，該內(nèi)容已在本文其他部分進(jìn)行討論。電動(dòng)機(jī)旋轉(zhuǎn)部分的不平衡實(shí)際上在啟動(dòng)時(shí)。南通臥式離心泵廠家</p><p style="text-indent:25px">靖江市瑞鑫泵業(yè)有限公司主要經(jīng)營范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司業(yè)務(wù)分為cz型化工流程泵，za型石油化工流程泵，ZE型石油化工流程泵，WFB型無密封自控自吸泵等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2686141.html</p></div></div></div></div></div><div id="g8uul3h" class="page-right twoColRt"><div id="utadplc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8tp3cjf" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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