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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="h7wyvsu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969387871094/4291998.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="enphj3i" 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>南京臥式離心泵效率,離心泵</p><p><span>***更新：</span>2021-01-01 03:05:24</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="im3c7tk" 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="i3n8ccj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="onm8wtq" class="box"><p><p> 泵體泄漏。解決方法：調(diào)節(jié)閥門。若仍不能解決，南京臥式離心泵效率，要核對(duì)泵的出口壓力是否符合設(shè)計(jì)要求，必要時(shí)換泵；清洗進(jìn)口濾器，疏通進(jìn)口管線。調(diào)整電動(dòng)機(jī)相序；更換新葉輪；檢查維修，使口環(huán)相套達(dá)到標(biāo)準(zhǔn)擰緊泵體連接螺栓，若仍不能達(dá)到標(biāo)準(zhǔn)，只有返廠更換泵體。03電動(dòng)機(jī)定子繞組燒毀故障分析：接地線錯(cuò)接或電源線缺相；機(jī)械密封泄漏，致使電動(dòng)機(jī)匝間或相間短路；電泵脫水運(yùn)行時(shí)間過長；電泵超負(fù)荷運(yùn)轉(zhuǎn)；電纜線破損進(jìn)水；電泵開停頻繁。解決方法：返廠或送維修單位，檢查排出故障，重新安裝繞組，再使用。04絕緣電阻過低（≤2MΩ）故障分析：軸封（機(jī)械密封）損壞漏水；電纜線絕緣破損；電纜線頭掉入水中；潛水電動(dòng)機(jī)滲水。解決方法：烘干后，更換軸封，南京臥式離心泵效率，并經(jīng)氣壓試驗(yàn)后使用；更換電纜線；排除電纜線中的潮氣；檢查電動(dòng)機(jī)滲水處，采取必要措施封滲，南京臥式離心泵效率。定子烘干，去潮后再使用。螺桿泵和齒輪泵的常見故障及解決方法01泵不吸液故障分析：電動(dòng)機(jī)不轉(zhuǎn)動(dòng)；電動(dòng)機(jī)反轉(zhuǎn)；吸入管路堵塞和漏氣；吸上高度超過允許吸上真空高度介子黏度過大。解決方法：檢查電源、線路和電動(dòng)機(jī)；調(diào)整電機(jī)相序；檢查吸入管路及濾器。降低吸上高度；給介子適當(dāng)加溫。離心泵銷售廠家就找靖江市瑞鑫泵業(yè)有限公司。南京臥式離心泵效率</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京臥式離心泵效率,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969387871094/4291998.png"></div><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(duì)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(jí)雙吸離心泵單級(jí)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。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。5.安裝形式裝配時(shí)不需調(diào)整。南京臥式離心泵效率江蘇地區(qū)口碑好離心泵——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="南京臥式離心泵效率,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023335927735/1616540.png"></div><p> 軸向力平衡裝置，在離心泵運(yùn)行過程中，由于液體是在低壓下進(jìn)入葉輪，而在高壓出，使葉輪兩側(cè)所受壓力不等，產(chǎn)生了指向入口方向的軸向推力，會(huì)引起轉(zhuǎn)子發(fā)生軸向竄動(dòng)，產(chǎn)生磨損和振動(dòng)，因此應(yīng)設(shè)置軸向推力軸承，以便平衡軸向力。 </p> <p> 種類 </p> <p> 按葉輪數(shù)目來分類 </p> <p> 單級(jí)泵：即在泵軸上只有一個(gè)葉輪。 </p> <p> 多級(jí)泵：即在泵軸上有兩個(gè)或兩個(gè)以上的葉輪，這時(shí)泵的總揚(yáng)程為n個(gè)葉輪產(chǎn)生的揚(yáng)程之和。 </p> <p> 按工作壓力來分類 </p> <p> 低壓泵：壓力低于100米水柱； </p> <p> 中壓泵：壓力在100~650米水柱之間； </p> <p> 高壓泵：壓力高于650米水柱。 </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(cè)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。江蘇地區(qū)定制離心泵——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="南京臥式離心泵效率,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023311718750/3083681.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)。離心泵廠家，歡迎您的來電——靖江市瑞鑫泵業(yè)有限公司。南京臥式離心泵效率</p><p style="text-indent:25px">靖江市瑞鑫泵業(yè)有限公司——?dú)g迎您的來電詳詢。南京臥式離心泵效率</p><p> 使液體自動(dòng)的流入泵的入口處。當(dāng)入口處的真空度達(dá)到一定程度時(shí)，即使在常溫下，入口處的液體也能汽化而產(chǎn)生氣泡，這些氣泡隨液體一起進(jìn)入葉輪。在離心力的作用下液體壓力逐漸升高，氣泡便凝結(jié)成液體而消失，此刻周圍液體迅速來補(bǔ)充，從而發(fā)生了猛烈的碰撞，瞬間產(chǎn)生很強(qiáng)的水錘現(xiàn)象，打擊葉輪表面，便產(chǎn)生機(jī)械腐蝕。一方面葉輪受到損害，同時(shí)發(fā)出響聲，泵有振動(dòng)，流量減小，揚(yáng)程下降，效率降低等，這種現(xiàn)象叫氣蝕現(xiàn)象。離心泵的主要部件有哪些？.離心泵的主要部件有葉輪、泵體、軸、軸承、吸入室、壓出室、密封裝置和平衡裝置等。9、離心泵的葉輪有什么作用？離心泵的葉輪是對(duì)葉輪作功的部件。葉輪在泵體內(nèi)有泵軸的帶動(dòng)下高速旋轉(zhuǎn)，使流過泵的液體獲得能量。也就是說通過葉輪的高速旋轉(zhuǎn)把機(jī)械能傳給液體，使液體才能獲得很高的動(dòng)壓能。10、離心泵的葉輪是由哪些部件組成？離心泵的葉輪是由前輪板、后輪板、葉片和輪轂四部分組成的。它分為閉式葉輪、半開式葉輪和開式葉輪。11、離心泵的軸向力是怎樣產(chǎn)生的？（1）葉輪兩側(cè)的液體壓力不對(duì)稱o（2）液體從葉輪入口流到出口，因流體的流動(dòng)方向由軸向變?yōu)閺较?，所以在葉輪上產(chǎn)生反作用力。<br>南京臥式離心泵效率</p><p style="text-indent:25px">靖江市瑞鑫泵業(yè)有限公司總部位于新橋鎮(zhèn)水三村巴五圩14號(hào)，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(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）的公司。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)?，為客戶提?**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)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。靖江瑞鑫泵業(yè)始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)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://m.cdcfah.com/cp/2650658.html</p></div></div></div></div></div><div id="xcjlnzw" class="page-right twoColRt"><div id="akmyfmt" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pzgipcu" class="recomPic likePro"><a href="http://m.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) 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