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class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023335927735/1616540.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yme2k9y" 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>山東管道離心泵流量,離心泵</p><p><span>***更新：</span>2021-01-09 09:05:26</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="2dh7ncd" 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="kogvseb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="g2g22wg" class="box"><p><p> 02流量不足故障分析：電動(dòng)機(jī)轉(zhuǎn)速不夠；螺桿?；螨X輪）與泵套磨損；安全閥損壞或標(biāo)定過(guò)低。解決方法：確定電機(jī)額定轉(zhuǎn)速是否符合設(shè)計(jì)要求，檢查電制電壓是否滿足電機(jī)要求；更換相關(guān)部件。重新標(biāo)定安全閥，使之達(dá)到設(shè)計(jì)要求。若損壞，更換或維修。03壓力波動(dòng)大故障分析：吸入管路漏氣；泵螺桿與泵套不同心；安全閥沒(méi)有標(biāo)定好，或工作壓力過(guò)大，使安全法時(shí)開(kāi)時(shí)閉。解決方法：檢查管路并維修好；檢修調(diào)整或更換；重新標(biāo)定安全閥或降低工作壓力。04機(jī)械密封漏油故障分析：機(jī)械密封損壞；密封壓蓋未壓平；裝配位置不對(duì)。解決方法：更換機(jī)械密封；調(diào)整密封壓蓋；重新按技術(shù)要求裝配。05泵過(guò)熱故障分析：泵螺桿與泵套配合太緊；機(jī)械密封回油孔堵塞；介子溫度過(guò)高。解決方法：檢查調(diào)整泵螺桿與泵套間隙，必要的話，要更換部件；疏通回油孔；采取必要的措施，降低介子溫度。06泵振動(dòng)大故障分析：泵與電動(dòng)機(jī)不同心；泵內(nèi)有空氣；螺桿與泵套不同心或間隙大；安裝高度過(guò)高，泵內(nèi)產(chǎn)生氣蝕，山東管道離心泵流量，山東管道離心泵流量。解決方法：調(diào)整位置，山東管道離心泵流量，重新對(duì)中；檢查吸入管路，排除漏氣部位；檢修調(diào)整或更換；降低安裝高度。靖江市瑞鑫泵業(yè)有限公司歡迎您來(lái)咨詢。山東管道離心泵流量</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東管道離心泵流量,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023335927735/1616540.png"></div><p> 離心泵按安裝高度分類 </p> <p> 自灌式離心泵：泵軸低于吸水池池面，啟動(dòng)時(shí)不需要灌水，可自動(dòng)啟動(dòng)。 </p> <p> 吸入式離心泵（非自灌式離心泵）：泵軸高于吸水池池面。啟動(dòng)前，需要先用水灌滿泵殼和吸水管道，然后驅(qū)動(dòng)電機(jī)，使葉輪高速旋轉(zhuǎn)運(yùn)動(dòng)，水受到離心力作用被甩出葉輪，葉輪中心形成負(fù)壓，吸水池中水在大氣壓作用下進(jìn)入葉輪，又受到高速旋轉(zhuǎn)的葉輪作用，被甩出葉輪進(jìn)入壓水管道。 </p> <p> 根據(jù)用途也可進(jìn)行分類，如油泵、水泵、凝結(jié)水泵、排灰泵、循環(huán)水泵等。山東管道離心泵流量江蘇地區(qū)直銷離心泵——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="山東管道離心泵流量,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969163437500/4474754.png"></div><p> 但在處理泵的振動(dòng)問(wèn)題時(shí)卻通常是首先考慮的因素。引起振動(dòng)的這一類原因的主要原因包括：a.臨界轉(zhuǎn)速問(wèn)題——這類問(wèn)題實(shí)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(duì)泵進(jìn)行了設(shè)計(jì)，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(shí)便發(fā)生振動(dòng)和共振。)在立式泵(如具有各類長(zhǎng)度和轉(zhuǎn)頭的立式渦輪機(jī))內(nèi)，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(shí)，管道實(shí)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(wèn)題相類似?？刹捎脙煞N方法糾正臨界轉(zhuǎn)速問(wèn)題，將振動(dòng)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。屬于常用方法。2.改變轉(zhuǎn)速(針對(duì)VFD系統(tǒng)時(shí)尤為有用)。通過(guò)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(shí)(由NPSH或攜入的空氣引起)，內(nèi)爆的能量將引起整個(gè)裝置急劇振動(dòng)。當(dāng)然，隨著氣濁的繼續(xù)，泵輪材料將被腐蝕，振動(dòng)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。</p><p> 泵不吸水故障分析：吸入閥有雜物或未打開(kāi)，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(kāi)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(dòng)故障分析：原動(dòng)機(jī)發(fā)生故障（包括電源）；泵卡??；填料函壓得太緊；排出閥門(mén)未關(guān)。解決方法：檢查電源及原動(dòng)機(jī)情況；再次盤(pán)車確定聯(lián)軸器情況；放松填料；管進(jìn)出口閥門(mén)，再次啟動(dòng)。03泵不排液故障分析：灌泵不足（或泵內(nèi)氣體未排凈）；泵轉(zhuǎn)向不對(duì)；泵轉(zhuǎn)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(zhuǎn)方向；檢查電機(jī)空轉(zhuǎn)轉(zhuǎn)速，檢查減速器的減速比，確定泵轉(zhuǎn)速是否符合設(shè)計(jì)轉(zhuǎn)速；清洗濾網(wǎng)，疏通吸入管；調(diào)整吸入口管線，高于泵的入口，調(diào)整泵的上部供液系統(tǒng)，保證介質(zhì)供應(yīng)充分。江蘇地區(qū)提供離心泵——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="山東管道離心泵流量,離心泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/jjsrxby/637261969247363281/978912.png"></div><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(wú)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(guò)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)生產(chǎn)離心泵——靖江市瑞鑫泵業(yè)有限公司。山東管道離心泵流量</p><p style="text-indent:25px">江蘇質(zhì)量離心泵——靖江市瑞鑫泵業(yè)有限公司。山東管道離心泵流量</p><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(zhǎng)。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(wú)泄漏。5.安裝形式裝配時(shí)不需調(diào)整。山東管道離心泵流量</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(yíng)泵、閥門(mén)、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(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)）的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。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(yíng)泵、閥門(mén)、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(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)）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(wú)密封自控自吸泵。靖江瑞鑫泵業(yè)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。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(lái)源地址: http://www.cdcfah.com/cp/2771575.html</p></div></div></div></div></div><div id="qq8ofmo" class="page-right twoColRt"><div id="t2ynugs" 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