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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>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>浙江管道離心泵類型,離心泵</p><p><span>***更新：</span>2020-09-24 00:18:07</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="mfm3rta" 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="azwtn74" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3evszln" class="box"><p><p> 但在處理泵的振動問題時卻通常是首先考慮的因素。引起振動的這一類原因的主要原因包括：a.臨界轉(zhuǎn)速問題——這類問題實際上在以全速運(yùn)行的臥式泵內(nèi)是不存在的：生產(chǎn)商已對泵進(jìn)行了設(shè)計，因此其臨界轉(zhuǎn)速將高出高轉(zhuǎn)速。("臨界轉(zhuǎn)速"指激起旋轉(zhuǎn)設(shè)備自然頻率的理論角速度。旋轉(zhuǎn)速度達(dá)到自然頻率時便發(fā)生振動和共振。)在立式泵(如具有各類長度和轉(zhuǎn)頭的立式渦輪機(jī))內(nèi)，浙江管道離心泵類型，臨界轉(zhuǎn)速應(yīng)在制造之前予以考慮。在臥式泵內(nèi)，臨界轉(zhuǎn)速通常由超速、缺少管道支撐件或未考慮的多泵組引起。(缺少管道支撐件時，浙江管道離心泵類型，管道實際上成為了"泵的一部分"，且系統(tǒng)的臨界轉(zhuǎn)速與泵的臨界轉(zhuǎn)速不同。)這與下文將討論的外部原因引起的問題相類似?？刹捎脙煞N方法糾正臨界轉(zhuǎn)速問題，將振動減少至可接受水平：1.改變泵的自然頻率，這一操作應(yīng)咨詢泵生產(chǎn)商或在其協(xié)助下進(jìn)行，浙江管道離心泵類型。屬于常用方法。2.改變轉(zhuǎn)速(針對VFD系統(tǒng)時尤為有用)。通過臨界轉(zhuǎn)速"鎖定"或加速以預(yù)防機(jī)械運(yùn)轉(zhuǎn)。b.嚴(yán)重氣濁——?dú)鉂徇_(dá)到一定嚴(yán)重程度時(由NPSH或攜入的空氣引起)，內(nèi)爆的能量將引起整個裝置急劇振動。當(dāng)然，隨著氣濁的繼續(xù)，泵輪材料將被腐蝕，振動也進(jìn)一步加劇。合理選用泵則可避免此類情況出現(xiàn)，但隨著系統(tǒng)老化以及管道改變這類情況仍可發(fā)生。江蘇地區(qū)訂制離心泵——靖江市瑞鑫泵業(yè)有限公司。浙江管道離心泵類型</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江管道離心泵類型,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969387871094/4291998.png"></div><p> 技術(shù)參數(shù)：流量，揚(yáng)程，泵送液體溫度范圍，系統(tǒng)承壓，軸功率浙江管道離心泵類型靖江市瑞鑫泵業(yè)有限公司——給您質(zhì)量服務(wù)。</p> 離心泵可廣用于電力、冶金、煤炭、建材等行業(yè)輸送含有固體顆粒的漿體。如火電廠水力除灰、冶金選礦廠礦漿輸送、洗煤廠煤漿及重介輸送等。離心泵工作時，泵需要放在陸地上，吸水管放在水中，還需要灌泵啟動。泥漿泵和液下離心泵由于受到結(jié)構(gòu)的限制，工作時電機(jī)需要放在水面之上，泵放入水中，因此必須固定，否則，電機(jī)掉到水中會導(dǎo)致電機(jī)報廢。而且由于長軸長度一般固定，所以泵安裝使用較麻煩，應(yīng)用的場合受到很多的限制。<span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江管道離心泵類型,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261653946699218/2958278.png"></div><p> 離心泵是靠葉輪離心力形成真空的吸力把水提起，所以，離心泵啟動時，必須先把閘閥關(guān)閉，灌水。水位超過葉輪部位以上，排出離心泵中的空氣，才可啟動。啟動后，葉輪周圍形成真空，把水向上吸，其閘閥可自動打開，把水提起。因此，必須先閉閘閥。 </p> <p> 振動分析 </p> <p> 離心泵的轉(zhuǎn)子不平衡與不對中。這個問題在離心泵的振動問題中所占比例較大，約為80%的比例。造成離心泵轉(zhuǎn)子不平衡的因素：材料阻止不均勻、零件結(jié)構(gòu)不合格，造成轉(zhuǎn)子質(zhì)量中心線與轉(zhuǎn)軸中心線不重合產(chǎn)生偏心據(jù)形成的不平衡。校正離心泵的轉(zhuǎn)子不平衡又可分為兩。靜平衡與動平衡：一般也稱為單面平衡和雙面平衡。其區(qū)別就是：單面平衡是在一個校正面進(jìn)行校正平衡，而雙面平衡是在兩個校正面上進(jìn)行校正。 </p><p> 這些原因包括：a.泵和電動機(jī)未對準(zhǔn)——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(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)軸器通常可以比泵或電動機(jī)承受的未校準(zhǔn)值更大，但是負(fù)荷將傳送至泵或電動機(jī)。)b.旋轉(zhuǎn)不當(dāng)——雖然在方向錯誤的情況下泵也將旋轉(zhuǎn)，但是流量和轉(zhuǎn)頭將減少，且由于流體動力學(xué)可能產(chǎn)生振動。旋轉(zhuǎn)應(yīng)進(jìn)行檢查并校正。(改變?nèi)嚯妱訖C(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)行后檢查電動機(jī)上的標(biāo)示牌以糾正單相電動機(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(dāng)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。江蘇地區(qū)口碑好離心泵廠家——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="浙江管道離心泵類型,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023229531250/3173104.png"></div><p> 離心泵的保管 </p> <p> 尚未安裝好的泵在未上漆的表面應(yīng)涂覆一層合適的防銹劑，用油潤滑的軸承應(yīng)該注滿適當(dāng)?shù)挠鸵?，用脂潤滑的軸承應(yīng)該*填充一種潤滑脂，不要使用混合潤滑脂。 </p> <p> 短時間泵人干凈液體，沖洗，抽吸管線，排放管線，泵殼和葉輪，并排凈泵殼，抽吸管線和排放管線中的沖洗液。 </p> <p> 排凈軸承箱的油，再加注干凈的油，徹底清洗油脂并再填充新油脂。 </p> <p> 把吸人口和排放口封起來，把泵貯存在干凈，干燥的地方，保護(hù)電機(jī)繞組免受潮濕，用防銹液和防蝕液噴射泵殼內(nèi)部。 </p> <p> 泵軸每月轉(zhuǎn)動一次以免凍結(jié)，并潤滑軸承。離心泵廠家，歡迎您的來電咨詢——靖江市瑞鑫泵業(yè)有限公司。浙江管道離心泵類型</p><p style="text-indent:25px">江蘇地區(qū)口碑好離心泵——靖江市瑞鑫泵業(yè)有限公司。浙江管道離心泵類型</p><p> 離心泵停止運(yùn)轉(zhuǎn)后的要求 </p> <p> 離心泵停止運(yùn)轉(zhuǎn)后應(yīng)關(guān)閉泵的人口閥門，待泵冷卻后再依次關(guān)閉附屬系統(tǒng)的閥門。 </p> <p> 高溫泵停車應(yīng)按設(shè)備技術(shù)文件的規(guī)定執(zhí)行，停車后應(yīng)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(dāng)無特殊要求時，泵內(nèi)應(yīng)經(jīng)常充滿液體；吸入閥和排出閥應(yīng)保持常開狀態(tài)；采用雙端面機(jī)械密封的低溫泵，液位控制器和泵密封腔內(nèi)的密封液應(yīng)保持泵的灌漿壓力。 </p> <p> 輸送易結(jié)晶，易凝固，易沉淀等介質(zhì)的泵，停泵后應(yīng)防止堵塞，并及時用清水或其他介質(zhì)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。浙江管道離心泵類型</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(jī)械、冶金機(jī)械、化工機(jī)械、礦山機(jī)械、制藥**設(shè)備、機(jī)械零部件制造、加工、銷售。的一家公司。（依法須經(jīng)批準(zhǔn)的項目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動）的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。靖江瑞鑫泵業(yè)深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**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)不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。靖江瑞鑫泵業(yè)始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使靖江瑞鑫泵業(yè)在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1395949.html</p></div></div></div></div></div><div id="c3ahero" class="page-right twoColRt"><div id="vxewypr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uelsjl8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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