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id="epby82p" class="proBig"><div id="2egdk2s" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969522871094/6781059.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hlsug8d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969522871094/6781059.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i3kmzyh" 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>南通耐堿離心泵價(jià)格,離心泵</p><p><span>***更新：</span>2020-11-20 08:08:48</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="fzbyvsu" 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(hào)</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="crtaxo2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nwtgyvc" class="box"><p><p> 離心泵功率與效率 </p> <p> 泵在運(yùn)轉(zhuǎn)過程中由于存在種種損失，使泵的實(shí)際（有效）壓頭和流量均較理論值為低，而輸入泵的功率較理論值為高，設(shè) </p> <p> H______ 泵的有效壓頭，即單位量液體在重力場中從泵獲得的能量，南通耐堿離心泵價(jià)格，m； </p> <p> Q ______ 泵的實(shí)際流量，南通耐堿離心泵價(jià)格，m3/s； </p> <p> ρ ______ 液體密度，南通耐堿離心泵價(jià)格，kg/ m3； </p> <p> Ne______ 泵的有效功率，即單位時(shí)間內(nèi)液體從泵處獲得的機(jī)械能，W。 </p> <p> 有效功率可寫成 Ne = QHρg </p> <p> 由電機(jī)輸入離心泵的功率稱為泵的軸功率，以N表示。有效功率與軸功率之比定義為泵的總效率η，即 </p> <p> η=Ne/N 江蘇定制離心泵——靖江市瑞鑫泵業(yè)有限公司。南通耐堿離心泵價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通耐堿離心泵價(jià)格,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969522871094/6781059.png"></div><p> 這些原因包括：a.泵和電動(dòng)機(jī)未對(duì)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)軸器通常可以比泵或電動(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(duì)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。管道離心泵參數(shù)江蘇地區(qū)生產(chǎn)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="南通耐堿離心泵價(jià)格,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969178349610/4186371.png"></div><p> 在石油、化工領(lǐng)域，使用**多的離心泵國際標(biāo)準(zhǔn)是API610、ISO5199和ANSIB73.1M/B73.2M等，國內(nèi)標(biāo)準(zhǔn)是GB3215和GB5656/T。 </p> <p> 1.1API610 </p> <p> API，是美國石油協(xié)會(huì)(AmericanPetroleumInstitute)的簡稱。出版API610標(biāo)準(zhǔn)的目的是為了提供一份采購規(guī)范，以便于離心泵的制造和采購。 </p> <p> 1.2 ISO5199 </p> <p> ISO是國際標(biāo)準(zhǔn)化組織的簡稱。ISO5199 Technical Specification for Centrifugal Pumps , ClassⅡ(離心泵技術(shù)規(guī)范Ⅱ級(jí)),主要依據(jù)是德國的DIN標(biāo)準(zhǔn)。 </p> <p> 1.3 ASMEB73.1M/B73.2M </p> <p> ASME是美國機(jī)械工程師協(xié)會(huì)(TheAmericanSocietyofMechanicalEngineers)的簡稱。 </p><p> 離心泵內(nèi)的各種損失有： </p> <p> 容積損失 </p> <p> 由于泵的泄漏所造成的損失稱為容積損失。無容積損失時(shí)泵的功率與有容積損失時(shí)泵的功率之比稱為泵的容積效率ηv。 </p> <p> 水力損失 </p> <p> 流體流過葉輪、泵殼時(shí)，流速大小和方向的改變以及逆壓強(qiáng)梯度的存在引起了環(huán)流和旋渦，造成了能量損失，這種損失稱為水力損失。額定流量下離心泵的水力效率ηh一般為0.8到0.9。 </p> <p> 機(jī)械損失 </p> <p> 高速轉(zhuǎn)動(dòng)的葉輪與液體間的摩擦以及軸承、軸封等處的機(jī)械摩擦造成的損失稱為機(jī)械損失。機(jī)械效率ηM一般為0.96到0.99。 </p> <p> 注意： </p> <p> 在離心泵的銘牌上標(biāo)明的主要性能參數(shù)是以20℃清水作實(shí)驗(yàn)在**高效率條件下測得的數(shù)值。 </p> <p> 了解并熟練掌握特性曲線中各曲線的含義及使用條件，注意**高效率區(qū)的范圍（η=92%ηmax）及用途。江蘇質(zhì)量離心泵——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="南通耐堿離心泵價(jià)格,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969247363281/978912.png"></div><p> 流量調(diào)節(jié) </p> <p> 改變閥門的開度 </p> <p> 改變離心泵出口管線上的閥門開關(guān)，其實(shí)質(zhì)是改變管路特性曲線。如下圖所示，當(dāng)閥門關(guān)小時(shí)，管路的局部阻力加大，管路特性曲線變陡，工作點(diǎn)由M移至M1，流量由QM減小到QM1。當(dāng)閥門開大時(shí)，管路阻力減小，管路特性曲線變得平坦一些，工作點(diǎn)移至M2，流量加大到QM2。 </p> <p> 用閥門調(diào)節(jié)流量迅速方便，且流量可以連續(xù)變化，適合化工連續(xù)生產(chǎn)的特點(diǎn)。所以應(yīng)用十分廣。缺點(diǎn)是閥門關(guān)小時(shí)，阻力損失加大，能量消耗增多，很不經(jīng)濟(jì)。靖江市瑞鑫泵業(yè)有限公司——質(zhì)量服務(wù)。浙江耐堿離心泵介質(zhì)</p><p style="text-indent:25px">上海地區(qū)離心泵定制廠家——靖江市瑞鑫泵業(yè)有限公司。南通耐堿離心泵價(jià)格</p><p> 如何消除離心泵的軸向力？安裝軸向力平衡裝置可消除軸向力。（1）單級(jí)泵可在葉輪上開平衡孔。多級(jí)泵的葉輪可對(duì)稱安裝。裝平衡盤，如車間的G-020A/B就采用的是平衡盤。采用平衡管平衡掉各葉輪間的壓力等。.13、軸向力對(duì)泵的正常運(yùn)行有什么害處？由于軸向力的作用，可以使葉輪產(chǎn)生位移，改變了葉輪和溢流道德同心度，使流量減少，揚(yáng)程降低，嚴(yán)重時(shí)葉輪和泵體發(fā)生摩擦，直至發(fā)生設(shè)備事件。14、如何切換離心泵？（1）做好啟動(dòng)泵前的各種準(zhǔn)備后，打開入口閥，引入液體。啟動(dòng)后，待泵的轉(zhuǎn)速、聲音、泵體壓力等正常后再打開出口閥（3）泵的流量正常，壓力平穩(wěn)時(shí)關(guān)閉運(yùn)行泵的出口閥。（4）盡量減少因切換泵造成的流量、壓力波動(dòng)，維持生產(chǎn)的正常進(jìn)行。（5）檢查啟動(dòng)泵的泄漏、潤滑等情況。15、離心泵的軸承溫度為什么會(huì)升高？（1）因?yàn)闈櫥臀贿^低，進(jìn)入軸承的油量少，使軸承不能充分潤滑，所以泵在旋轉(zhuǎn)后產(chǎn)生的熱量不能被潤滑油帶走。（3）因油孔或油溝堵塞，供油中斷，軸承形成干磨（4）滾動(dòng)軸承的滾動(dòng)體卡死，不能滾動(dòng)。（5）軸承箱進(jìn)水或進(jìn)蒸汽，潤滑油被污染，起不到潤滑作用。<br>南通耐堿離心泵價(jià)格</p><p style="text-indent:25px">靖江市瑞鑫泵業(yè)有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下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深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。靖江瑞鑫泵業(yè)立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2069391.html</p></div></div></div></div></div><div id="zdvnkh8" class="page-right twoColRt"><div id="y8ar8nh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wb277hj" 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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