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09:04:48</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="jm8foye" 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="triulb3" class="page-proshow02"><p class="title">詳細說明</p><div id="fcyfwsj" class="box"><p><p> 已知吸入管路的全部阻力為，當?shù)卮髿鈮簽椤?04Pa，液體在吸入管路中的動壓頭可忽略。試計算：1輸送20℃清水時離心泵的安裝。2改為輸送80℃水時離心泵的安裝高度。解：1輸送20℃清水時泵的安裝高度。已知：Hs=Hf0-1=u12/2g≈0當?shù)卮髿鈮簽椤?04Pa，與泵出廠時的實驗條件基本相符，所以泵的安裝高度為Hg=m。2輸送80℃水時泵的安裝高度輸送80℃水時，不能直接采用泵樣本中的Hs值計算安裝高度，需按下式對Hs時行換算，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為負值，表示泵應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，其運行效率可高出原水泵近20%1.結構緊湊外形美觀，穩(wěn)定性好，便于安裝。2.運行平穩(wěn)優(yōu)化設計的雙吸葉輪使軸向力減小到zui低限度，大型離心泵型號，且有優(yōu)異水力性能的葉型，并經精密鑄造，泵殼內表面及葉輪表面極其光華具有的抗汽蝕性能和率。3，大型離心泵型號.軸承選用SKF及NSK軸承保證運行平穩(wěn)，噪音低，使用壽命長。4，大型離心泵型號.軸封選用BURGMANN機械密封或填料密封。能保證8000小時運行無泄漏。5.安裝形式裝配時不需調整。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。大型離心泵型號</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大型離心泵型號,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023335927735/1616540.png"></div><p> 流量調節(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，其實質是改變管路特性曲線。如下圖所示，當閥門關小時，管路的局部阻力加大，管路特性曲線變陡，工作點由M移至M1，流量由QM減小到QM1。當閥門開大時，管路阻力減小，管路特性曲線變得平坦一些，工作點移至M2，流量加大到QM2。 </p> <p> 用閥門調節(jié)流量迅速方便，且流量可以連續(xù)變化，適合化工連續(xù)生產的特點。所以應用十分廣。缺點是閥門關小時，阻力損失加大，能量消耗增多，很不經濟。大型離心泵型號靖江市瑞鑫泵業(yè)有限公司歡迎您來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大型離心泵型號,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261653946699218/2958278.png"></div><p> 是一種較快的止回閥；多瓣旋啟式止回閥適用與大口徑管路.2.泵出口止回閥的安裝①旋啟式止回閥一般安裝在水平管道上：對于口徑DN~80mm的止回閥，也可安裝在垂直或向上傾斜的管道上。②直通式升降式止回閥應安裝在水平管道上；立式升降式止回閥必須安裝在垂直管道上，介質為自下而上流動。③由于止回閥容易損壞，因此，應靠近泵出口安裝止回閥，在止回閥上部設有切斷閥(一般用球閥或閘閥)，方便檢修。④為便于止回閥拆卸前泄壓，對于止回閥本身不帶放凈閥的，應在止回閥與切斷閥之間加裝泄壓用放凈閥。3.防止水力沖擊對止回閥密封面損壞的保護措施止回閥的設置,起到了防止物料倒流，避免泵葉輪遭受液擊的作用。但就止回閥本身而言,設置不當,會造成水擊所產生的閥瓣對閥座的突然撞擊，損及止回閥密封面。因此，應采取以幾點保護措施。1、對于泵出口設置>80mm的旋啟式止回閥，應采用水平安裝方式，以減弱閥瓣回座及產生的撞擊。2、對于泵出口止回閥口徑>=150mm的管路，應在止回閥前后設置旁路，防止閥前壓力上升過高，對止回閥密封面造成的損害。3、對泵排出管路起點和終點壓力較高管路，不允許設置旁路的，可采取以下措施。設置安全閥以代替旁路閥。其作用與旁路閥相似。</p><p> 軸向力平衡裝置，在離心泵運行過程中，由于液體是在低壓下進入葉輪，而在高壓出，使葉輪兩側所受壓力不等，產生了指向入口方向的軸向推力，會引起轉子發(fā)生軸向竄動，產生磨損和振動，因此應設置軸向推力軸承，以便平衡軸向力。 </p> <p> 種類 </p> <p> 按葉輪數(shù)目來分類 </p> <p> 單級泵：即在泵軸上只有一個葉輪。 </p> <p> 多級泵：即在泵軸上有兩個或兩個以上的葉輪，這時泵的總揚程為n個葉輪產生的揚程之和。 </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。江蘇定制離心泵——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="大型離心泵型號,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969522871094/6781059.png"></div><p> 08泵振動或噪音超標故障分析：地腳螺栓松動或底座焊接不合格；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)凈揚程壓力高于泵關死壓力）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，油質差或老化；冷卻水量不足或斷路。解決方法：檢查，調整；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；機械密封有故障。解決方法：調整密封壓力；檢查、修理或更換機械密封。電潛泵的常見故障及解決方法01泵無法啟動故障分析：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；定子繞組燒壞。解決方法：調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且有效，必要的話，放海底機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：揚程過高；泵進口阻塞；葉輪轉向錯誤；葉輪磨損；口環(huán)磨損、泄露。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。耐磨離心泵揚程</p><p style="text-indent:25px">離心泵廠家——靖江市瑞鑫泵業(yè)有限公司。大型離心泵型號</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.臨界轉速問題——這類問題實際上在以全速運行的臥式泵內是不存在的：生產商已對泵進行了設計，因此其臨界轉速將高出高轉速。("臨界轉速"指激起旋轉設備自然頻率的理論角速度。旋轉速度達到自然頻率時便發(fā)生振動和共振。)在立式泵(如具有各類長度和轉頭的立式渦輪機)內，臨界轉速應在制造之前予以考慮。在臥式泵內，臨界轉速通常由超速、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，管道實際上成為了"泵的一部分"，且系統(tǒng)的臨界轉速與泵的臨界轉速不同。)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，這一操作應咨詢泵生產商或在其協(xié)助下進行。屬于常用方法。2.改變轉速(針對VFD系統(tǒng)時尤為有用)。通過臨界轉速"鎖定"或加速以預防機械運轉。b.嚴重氣濁——氣濁達到一定嚴重程度時(由NPSH或攜入的空氣引起)，內爆的能量將引起整個裝置急劇振動。當然，隨著氣濁的繼續(xù)，泵輪材料將被腐蝕，振動也進一步加劇。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。大型離心泵型號</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，是一家靖江市瑞鑫泵業(yè)有限公司主要是一家經營泵、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。（依法須經批準的項目，經相關部門批準后方可開展經營活動）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導，為客戶提供***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)致力于把技術上的創(chuàng)新展現(xiàn)成對用戶產品上的貼心，為用戶帶來良好體驗。靖江瑞鑫泵業(yè)始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，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: 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