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content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes 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src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023464335938/9339079.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ms38ta4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023464335938/9339079.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="awxzqcw" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>徐州工業(yè)離心泵臥式,離心泵</p><p><span>***更新：</span>2021-01-26 01:05:38</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="gf8mdfj" 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: </span>0523-84326878</p><p><span>地址: </span>新橋鎮(zhèn)水三村巴五圩14號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="vpripb2" class="page-proshow02"><p class="title">詳細說明</p><div id="bf2zgn0" class="box"><p><p> 密封面表面滑溝，端面貼合時出現(xiàn)缺口導致密封元件失效，主要原因有： </p> <p> 液體介質不清潔，有微小質硬的顆粒，以很高的速度滑人密封面，將端面表面劃傷而失效。 </p> <p> 機泵傳動件同軸度差，泵開啟后每轉一周端面被晃動摩擦一次，動環(huán)運行軌跡不同心，造成端面汽化，過熱磨損。 </p> <p> 液體介質水力特性的頻繁發(fā)生引起泵組振動，造成密封面錯位而失效。 </p> <p> 液體介質對密封元件的腐蝕，應力集中，徐州工業(yè)離心泵臥式，軟硬材料配合，沖蝕，輔助密封0形環(huán)，V形環(huán)，凹形環(huán)與液體介質不相容，變形等都會造成機械密封表面損壞失效，徐州工業(yè)離心泵臥式，所以對其損壞形式要綜合分析，徐州工業(yè)離心泵臥式，找出根本原因，保證機械密封長時間運行。靖江市瑞鑫泵業(yè)有限公司——歡迎您前來咨詢。徐州工業(yè)離心泵臥式</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州工業(yè)離心泵臥式,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023464335938/9339079.png"></div><p> 離心泵機械密封失效的分析 </p> <p> 離心泵停機主要是由機械密封的失效造成的。失效的表現(xiàn)大都是泄漏，泄漏原因有以下幾種： </p> <p> 動靜環(huán)密封面的泄漏，原因主要有：端面平面度，粗糙度未達到要求，或表面有劃傷；端面間有顆粒物質，造成兩端面不能同樣運行；安裝不到位，方式不正確。 </p> <p> 補償環(huán)密封圈泄漏，原因主要有：壓蓋變形，預緊力不均勻；安裝不正確；密封圈質量不符合標準；密封圈選型不對。 </p> <p> <br /> </p> <p> 液體介質潤滑性較差，加之操作壓力過載，兩密封面追蹤轉動不同步。例如高轉速泵轉速為20445r/min，密封面中心直徑為7cm，泵運轉后其線速度高達75 m/s，當有一個密封面滯后不能追蹤旋轉，瞬時高溫造成密封面損壞。 </p> <p> <br /> 南通耐磨離心泵銷售離心泵廠家，歡迎來電咨詢——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="徐州工業(yè)離心泵臥式,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969163437500/4474754.png"></div><p> 泵不吸水故障分析：吸入閥有雜物或未打開，或吸入管堵塞管路系統(tǒng)密封性差從軸封處吸入空氣灌泵系統(tǒng)故障解決方法：打開吸入閥，排除雜物，疏通吸入管。檢察管路，尤其分段試壓連接法蘭處，堵漏。更換軸封，壓緊填料密封檢查及維修灌泵系統(tǒng)02泵不能啟動故障分析：原動機發(fā)生故障（包括電源）；泵卡??；填料函壓得太緊；排出閥門未關。解決方法：檢查電源及原動機情況；再次盤車確定聯(lián)軸器情況；放松填料；管進出口閥門，再次啟動。03泵不排液故障分析：灌泵不足（或泵內(nèi)氣體未排凈）；泵轉向不對；泵轉速太低；濾網(wǎng)、吸入管堵塞；吸入高度太高，或吸入口液體供給不足，造成吸入真空。解決方法：重新灌泵；再次確定泵的旋轉方向；檢查電機空轉轉速，檢查減速器的減速比，確定泵轉速是否符合設計轉速；清洗濾網(wǎng)，疏通吸入管；調整吸入口管線，高于泵的入口，調整泵的上部供液系統(tǒng)，保證介質供應充分。</p><p> 離心泵停止運轉后的要求 </p> <p> 離心泵停止運轉后應關閉泵的人口閥門，待泵冷卻后再依次關閉附屬系統(tǒng)的閥門。 </p> <p> 高溫泵停車應按設備技術文件的規(guī)定執(zhí)行，停車后應每偏20一30min盤車半圈，直到泵體溫度降至50℃為止。 </p> <p> 低溫泵停車時，當無特殊要求時，泵內(nèi)應經(jīng)常充滿液體；吸入閥和排出閥應保持常開狀態(tài)；采用雙端面機械密封的低溫泵，液位控制器和泵密封腔內(nèi)的密封液應保持泵的灌漿壓力。 </p> <p> 輸送易結晶，易凝固，易沉淀等介質的泵，停泵后應防止堵塞，并及時用清水或其他介質沖洗泵和管道。 </p> <p> 排出泵內(nèi)積存的液體，防止銹蝕和凍裂。靖江市瑞鑫泵業(yè)有限公司——質量服務。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州工業(yè)離心泵臥式,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969444003906/839526.png"></div><p> 這些原因包括：a.泵和電動機未對準——這無可爭辯的是泵內(nèi)產(chǎn)生振動的常見原因(其他原因，參考"外部原因引起的振動")。應該注意的是，按照泵生產(chǎn)商建議(而非聯(lián)軸器生產(chǎn)商的限制范圍)進行校準極為重要。(聯(lián)軸器通?？梢员缺没螂妱訖C承受的未校準值更大，但是負荷將傳送至泵或電動機。)b.旋轉不當——雖然在方向錯誤的情況下泵也將旋轉，但是流量和轉頭將減少，且由于流體動力學可能產(chǎn)生振動。旋轉應進行檢查并校正。(改變?nèi)嚯妱訖C的任意兩根導線，并在確認泵能以預期旋轉運行后檢查電動機上的標示牌以糾正單相電動機上的導線。)c.曲軸——曲軸可能由一些與場地有關的問題引起并能導致振動產(chǎn)生。通常情況下，曲軸將不相等負荷傳遞至軸承和閥座并引起過早磨損，即使在正常觀測實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確度或"擺度"相對較容易，因為框架形成了一個平臺，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可以加速軸承磨損并引起振動。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。江蘇提供離心泵——靖江市瑞鑫泵業(yè)有限公司。徐州工業(yè)離心泵臥式</p><p style="text-indent:25px">江蘇離心泵——靖江市瑞鑫泵業(yè)有限公司。徐州工業(yè)離心泵臥式</p><p> 離心泵的常見故障機解決辦法：故障四：離心泵流量不足（1）系統(tǒng)靜揚程增加。處理方法是檢查液體高度和系統(tǒng)壓力。（2）阻力損失增加。處理方法是檢查管路及止逆閥等障礙。（3）殼體和葉輪耐磨環(huán)磨損過大。處理方法是更換或修理耐磨環(huán)及葉輪。（4）其他部位漏液。處理方法是檢查軸封等部位。（5）泵葉輪堵塞、磨損、腐蝕。處理方法是清洗、檢查、調換。故障五：離心泵揚程不夠（1）葉輪裝反（雙吸輪）。處理方法是檢查葉輪。（2）液體密度、粘度與設計條件不符。處理方法是檢查液體的性質。（3）操作時流量太大。處理方法是減少流量。故障六：運行過程**耗過大（1）葉輪與耐磨環(huán)、葉輪與殼有磨檫。處理方法是檢查并修理。（2）液體密度增加。處理方法是檢查液體密度。（3）填料壓得太緊或干磨擦。處理方法是放松填料，檢查水封管。（4）軸承損壞。處理方法是檢查修理或更換軸承。故障七：發(fā)生氣縛現(xiàn)象氣縛主要是由于離心泵在啟動前未充滿液體，泵殼內(nèi)存在空氣，空氣密度小，所產(chǎn)生的離心力也很小，此時在吸入口所形成的真空度不足以將液體吸入泵內(nèi)，泵氣動后不能輸送液體的現(xiàn)象。原因分析：①啟動前，未進行灌泵排氣，致使空氣竄入泵殼。②殼體的密封不嚴，使空氣竄入。徐州工業(yè)離心泵臥式</p><p style="text-indent:25px">靖江市瑞鑫泵業(yè)有限公司是一家靖江市瑞鑫泵業(yè)有限公司主要是一家經(jīng)營泵、閥門、耐熱耐磨鋼制品、電力機械、冶金機械、化工機械、礦山機械、制藥**設備、機械零部件制造、加工、銷售。的一家公司。（依法須經(jīng)批準的項目，經(jīng)相關部門批準后方可開展經(jīng)營活動）的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。靖江瑞鑫泵業(yè)作為靖江市瑞鑫泵業(yè)有限公司主要是一家經(jīng)營泵、閥門、耐熱耐磨鋼制品、電力機械、冶金機械、化工機械、礦山機械、制藥**設備、機械零部件制造、加工、銷售。的一家公司。（依法須經(jīng)批準的項目，經(jīng)相關部門批準后方可開展經(jīng)營活動）的企業(yè)之一，為客戶提供良好的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。靖江瑞鑫泵業(yè)始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。靖江瑞鑫泵業(yè)始終關注機械及行業(yè)設備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3008897.html</p></div></div></div></div></div><div id="vyfw3mv" class="page-right twoColRt"><div id="3udofwp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3bseahq" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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