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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>浙江污水離心泵廠家,離心泵</p><p><span>***更新：</span>2021-01-02 08:07:34</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="ud2p2qs" 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: </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="3sry22u" class="page-proshow02"><p class="title">詳細說明</p><div id="fe8uopr" class="box"><p><p> 按葉輪吸入方式來分類 </p> <p> 單側(cè)進水式泵：又叫單吸泵，即葉輪上只有一個進水口； </p> <p> 雙側(cè)進水式泵：又叫雙吸泵，即葉輪兩側(cè)都有一個進水口。它的流量比單吸式泵大一倍，可以近似看作是二個單吸泵葉輪背靠背地放在了一起。 </p> <p> 按泵殼結(jié)合來分類 </p> <p> 水平中開式泵：即在通過軸心線的水平面上開有結(jié)合縫。 </p> <p> 垂直結(jié)合面泵：即結(jié)合面與軸心線相垂直。 </p> <p> 按泵軸位置來分類 </p> <p> 臥式泵：泵軸位于水平位置。 </p> <p> 立式泵：泵軸位于垂直位置，浙江污水離心泵廠家。 </p> <p> 按葉輪出方式分類 </p> <p> 蝸殼泵：水從葉輪出來后，浙江污水離心泵廠家，直接進入具有螺旋線形狀的泵殼。 </p> <p> 導(dǎo)葉泵：水從葉輪出來后，進入它外面設(shè)置的導(dǎo)葉，浙江污水離心泵廠家，之后進入下一級或流入出口管。離心泵廠家歡迎您來咨詢——靖江市瑞鑫泵業(yè)有限公司。浙江污水離心泵廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江污水離心泵廠家,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023335927735/1616540.png"></div><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行的臥式泵內(nèi)是不存在的：生產(chǎn)商已對泵進行了設(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)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，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)助下進行。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)防機械運轉(zhuǎn)。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(nèi)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。浙江污水離心泵廠家離心泵廠家——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="浙江污水離心泵廠家,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023311718750/3083681.png"></div><p> 十四、管道泵在工作個月內(nèi),經(jīng)100小時更換潤滑油,以后每個500小時,換油一次。十五、經(jīng)常調(diào)整管道泵填料壓蓋,保證填料室內(nèi)的滴漏情況正常（以成滴漏出為宜）。管道離心泵知識：內(nèi)部窩輪轉(zhuǎn)動使水上升，內(nèi)部壓強變小，由于大氣壓，水又進入窩輪部分。實際上也是水泵，一般直接裝在水管道上、叫管道泵。民用小型管道離心泵常用于水壓不足的水管上增加水壓，也可用于其他水循環(huán)系統(tǒng)。另外還有熱水管道泵、微型管道泵等...。管道泵，由電機殼體1、電機定子2、電機轉(zhuǎn)子3、密封套筒4、水泵殼體5、水泵葉輪6、端蓋7、電機轉(zhuǎn)軸8、過濾器9、端蓋槽10、密封膠圈11和石墨軸承12組成，其特征在于密封套筒4將電機定子2和電機轉(zhuǎn)子3屏蔽隔開，并用密封膠圈11密封，在端蓋7內(nèi)有一過濾器9，端蓋7上有端蓋槽10，軸承采用石墨滑動軸承12，水泵葉輪6采用改性聚苯醚PPO塑料，電機殼體1采用壓鑄鋁合金或鑄鐵材料，供電電壓常見380v/3相,220v/單相AC.一般功率幾＋瓦至幾百瓦不等。管道離心泵特點和作用管道泵是為管道增壓輸送，解決管道壓力過低而研制的新穎泵，比目前應(yīng)用臥式離心泵具有很大的優(yōu)越性。</p><p> 這些原因包括：a.泵和電動機未對準——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)進行校準極為重要。(聯(lián)軸器通?？梢员缺没螂妱訖C承受的未校準值更大，但是負荷將傳送至泵或電動機。)b.旋轉(zhuǎn)不當——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，且由于流體動力學可能產(chǎn)生振動。旋轉(zhuǎn)應(yīng)進行檢查并校正。(改變?nèi)嚯妱訖C的任意兩根導(dǎo)線，并在確認泵能以預(yù)期旋轉(zhuǎn)運行后檢查電動機上的標示牌以糾正單相電動機上的導(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。靖江市瑞鑫泵業(yè)有限公司歡迎您來咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江污水離心泵廠家,離心泵" src="https://tyunfile.71360.com/UploadFile/jjsrxby/637261023558720704/9336477.png"></div><p> 改變泵的轉(zhuǎn)速 </p> <p> 改變泵的轉(zhuǎn)速實質(zhì)上是改變泵的特性曲線。泵原來轉(zhuǎn)速為n，工作點為M，如下圖所示，若把泵的轉(zhuǎn)速提高到n1，泵的特性曲線 H——Q往上移，工作點由M移至M1，流量由QM加大到QM1。若把泵的轉(zhuǎn)速降至n2，工作點移至M2，流量降至QM2。 </p> <p> 這種調(diào)節(jié)方法需要變速裝置或價格昂貴的變速原動機，且難以做到連續(xù)調(diào)節(jié)流量，故化工生產(chǎn)中很少采用。 </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。所以應(yīng)用十分廣。缺點是閥門關(guān)小時，阻力損失加大，能量消耗增多，很不經(jīng)濟。離心泵廠家，歡迎來電咨詢——靖江市瑞鑫泵業(yè)有限公司。徐州離心泵揚程</p><p style="text-indent:25px">江蘇地區(qū)口碑好離心泵生產(chǎn)廠家——靖江市瑞鑫泵業(yè)有限公司。浙江污水離心泵廠家</p><p> 離心泵的出口止回閥作用與選型離心泵出口的止回閥的作用就是防止出口管路中的液體倒流形成水錘造成泵內(nèi)葉輪損傷。止回閥的安裝與泵的多少無關(guān),止回閥主要為了在泵停止運行后,防止液體回流,使泵倒轉(zhuǎn),從而造成損壞泵的事件,并且為了防止液體倒流對其他儲罐等的損壞(從高位罐倒流會造成罐補抽壞).因此好加上止回閥.如果能保證停泵前先關(guān)閉出口閥,且出口閥不內(nèi)漏或損壞.也可以不安止回閥.1.泵出口止回閥門"止回閥的選型一般的泵站工程情況，對于泵出口止回閥的選擇，應(yīng)遵循以下原則；對泵出口管路口徑較小的管路，即DN≤50mm時，應(yīng)選用升降式止回閥。對泵出口管路口徑DN＞50mm的管路，應(yīng)選用旋啟式止回閥旋啟式止回閥可以水平或垂直安裝。旋啟式止回閥閥瓣繞轉(zhuǎn)軸作旋轉(zhuǎn)運動，其流體阻力一般小于升降式止回閥，它適用于較大口徑的場合，安裝位置不受限制，通常安裝于水平管路，它適用與較大口徑的場合。根據(jù)閥瓣的數(shù)目可分為單瓣旋啟式、雙瓣旋啟式及多瓣旋啟式三種。單瓣旋啟式止回閥一般使用與中等口徑的場合。大口徑管路選用單瓣旋啟式止回閥時，為減小水錘壓力，好采用能減小水錘壓力的緩閉止回閥。雙瓣旋啟式止回閥適用與大中口徑管路。對夾雙瓣旋啟式止回閥結(jié)構(gòu)小、重量輕。浙江污水離心泵廠家</p><p style="text-indent:25px">靖江市瑞鑫泵業(yè)有限公司主要經(jīng)營范圍是機械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。靖江瑞鑫泵業(yè)致力于為客戶提供良好的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型無密封自控自吸泵，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: 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