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發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺(tái) </span><div id="muwysag" class="searchbox"><div id="zheyf4i" class="searchLt"><div id="32pjq47" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="vy3dae8" class="clearfix searchWrap"><div id="dhbskt9" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="dbyvsrq" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = 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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzweile/637383831780078125/9857386.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sm2z3lq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzweile/637383831780078125/9857386.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ktvn3ah" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>蘇州自吸離心式污水泵批發(fā),離心泵</p><p><span>***更新：</span>2020-10-22 16:47:02</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="enpcj2y" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">威樂供水系統(tǒng)（杭州）有限公司</a></p><p><span>聯(lián)系人：</span>陳偉平</p><p><span>郵箱: </span>weilegongshui@163.com</p><p><span>電話: </span>13175888000</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span>http://hzweile.shop.88360.com</p><p><span>手機(jī): </span>0571-86375679</p><p><span>地址: </span>塘棲鎮(zhèn)超山村蓬塢80號(hào)7幢105室</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="osfxu9z" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wq77heg" class="box"><p><p style="text-indent:25px">離心泵的基本部件是高速旋轉(zhuǎn)的葉輪和固定的蝸牛形泵殼。具有若干個(gè)（通常為4～12個(gè)）后彎葉片的葉輪緊固于泵軸上，蘇州自吸離心式污水泵批發(fā)，并隨泵軸由電機(jī)驅(qū)動(dòng)作高速旋轉(zhuǎn)。葉輪是直接對(duì)泵內(nèi)液體做功的部件，為離心泵的供能裝置。泵殼**的吸入口與吸入管路相連接，吸入管路的底部裝有單向底閥。泵殼側(cè)旁的排出口與裝有調(diào)節(jié)閥門的排出管路相連接，蘇州自吸離心式污水泵批發(fā)。當(dāng)離心泵啟動(dòng)后，泵軸帶動(dòng)葉輪一起作高速旋轉(zhuǎn)運(yùn)動(dòng)，蘇州自吸離心式污水泵批發(fā)，迫使預(yù)先充灌在葉片間液體旋轉(zhuǎn)，在慣性離心力的作用下，液體自葉輪中心向外周作徑向運(yùn)動(dòng)。液體在流經(jīng)葉輪的運(yùn)動(dòng)過程獲得了能量，靜壓能增高，流速增大。當(dāng)液體離開葉輪進(jìn)入泵殼后，由于殼內(nèi)流道逐漸擴(kuò)大而減速，部分動(dòng)能轉(zhuǎn)化為靜壓能，zui后沿切向流入排出管路。高壓泵：壓力高于650米水柱。蘇州自吸離心式污水泵批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州自吸離心式污水泵批發(fā),離心泵" src="https://tyunfile.71360.com/UploadFile/hzweile/637383831780078125/9857386.png"></div><p style="text-indent:25px">機(jī)械密封泄漏的原因分析：新安裝(或更換)的機(jī)械密封投入運(yùn)轉(zhuǎn)時(shí)泄漏量應(yīng)在允許范圍內(nèi)。如果密封本身的結(jié)構(gòu)、制造質(zhì)量、安裝和使用等方面都無問題，其壽命要超過 8000h。實(shí)際工作中，不少密封的使用壽命遠(yuǎn)沒有達(dá)到該值前就失效了，這是由于工藝條件、設(shè)備運(yùn)行狀況和操作存在一定的問題造成的。根據(jù)近幾年來機(jī)械密封運(yùn)行工況和失效后的拆檢情況來看，其常見原因如下：1、密封環(huán)熱裂紋：機(jī)械密封拆開時(shí)可發(fā)現(xiàn)，硬環(huán)表面有過熱回火色，石墨環(huán)表面有環(huán)狀溝紋、橡膠圈老化等。主要原因是：①由于介質(zhì)溫度過高泵體內(nèi)形成汽蝕，汽蝕發(fā)生后，水力沖擊帶動(dòng)密封做迅速的軸向振蕩，使動(dòng)靜環(huán)及輔助密封圈等零件嚴(yán)重的磨損，使機(jī)械密封裝置損壞。②潤滑不良，密封環(huán)端面沒有形成液體潤滑膜或密封環(huán)端面間液膜汽化，形成干摩擦；③冷卻系統(tǒng)散熱不良。杭州管道離心泵報(bào)價(jià)離心水泵：由泵殼、葉輪、泵軸、泵架等組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州自吸離心式污水泵批發(fā),離心泵" src="https://tyunfile.71360.com/UploadFile/hzweile/637383831527851562/1155277.png"></div><p style="text-indent:25px">離心泵的啟動(dòng)：(1) 全開入口閥，關(guān)閉出口閥，啟動(dòng)電機(jī)。 (2) 當(dāng)泵出口壓力大于操作壓力時(shí)，檢查各部運(yùn)轉(zhuǎn)正常，逐漸打開出口閥。(3) 啟動(dòng)電機(jī)時(shí)，若啟動(dòng)不起來或有異常聲音時(shí)，應(yīng)立刻切斷電源檢查，消除故障后方可啟動(dòng)。(4) 啟動(dòng)時(shí)，注意人不要面向聯(lián)軸器，以防飛出傷人。離心泵的停泵操作 (1) 慢慢關(guān)閉泵的出口閥。(2)切斷電機(jī)的電源。(3)關(guān)閉壓力表手閥。(4)停車后，不能馬上停冷卻水，應(yīng)泵的溫度的降到80度以下方可停水。(5) 根據(jù)需要，關(guān)閉入口閥，泵體放空。注意：熱油泵在啟動(dòng)前要均勻預(yù)熱。</p><p style="text-indent:25px">離心水泵：由泵殼、葉輪、泵軸、泵架等組成。起動(dòng)前應(yīng)先往泵里灌滿水，起動(dòng)后旋轉(zhuǎn)的葉輪帶動(dòng)泵里的水高速旋轉(zhuǎn)，水作離心運(yùn)動(dòng)，向外甩出并被壓入出水管。水被甩出后，葉輪附近的壓強(qiáng)減小，在轉(zhuǎn)軸附近就形成一個(gè)低壓區(qū)。離心水泵概述：簡(jiǎn)稱“離心泵”,它是一種利用水的離心運(yùn)動(dòng)的抽水機(jī)械。由泵殼、葉輪、泵軸、泵架等組成。起動(dòng)前應(yīng)先往泵里灌滿水，起動(dòng)后旋轉(zhuǎn)的葉輪帶動(dòng)泵里的水高速旋轉(zhuǎn)，水作離心運(yùn)動(dòng)，向外甩出并被壓入出水管。水被甩出后，葉輪附近的壓強(qiáng)減小，在轉(zhuǎn)軸附近就形成一個(gè)低壓區(qū)。這里的壓強(qiáng)比大氣壓低得多，外面的水就在大氣壓的作用下，沖開底閥從進(jìn)水管進(jìn)入泵內(nèi)。沖進(jìn)來的水在隨葉輪高速旋轉(zhuǎn)中又被甩出，并壓入出水管。葉輪在動(dòng)力機(jī)帶動(dòng)下不斷高速旋轉(zhuǎn)，水就源源不斷地從低處被抽到高處。離心水泵是一種利用水的離心運(yùn)動(dòng)的抽水機(jī)械。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州自吸離心式污水泵批發(fā),離心泵" src="https://tyunfile.71360.com/UploadFile/hzweile/637383831709589844/7230839.png"></div><p style="text-indent:25px">離心泵的葉輪：葉輪是離心泵的關(guān)鍵部件。(1)按其機(jī)械結(jié)構(gòu)可分為閉式、半閉式和開式三種。閉式葉輪適用于輸送清潔液體；半閉式和開式葉輪適用于輸送含有固體顆粒的懸浮液，這類泵的效率低。閉式和半閉式葉輪在運(yùn)轉(zhuǎn)時(shí)，離開葉輪的一部分高壓液體可漏入葉輪與泵殼之間的空腔中，因葉輪前側(cè)液體吸入口處壓強(qiáng)低，故液體作用于葉輪前、后側(cè)的壓力不等，便產(chǎn)生了指向葉輪吸入口側(cè)的軸向推力。該力推動(dòng)葉輪向吸入口側(cè)移動(dòng)，引起葉輪和泵殼接觸處的摩損，嚴(yán)重時(shí)造成泵的振動(dòng)，破壞泵的正常操作。在葉輪后蓋板上鉆若干個(gè)小孔，可減少葉輪兩側(cè)的壓力差，從而減輕了軸向推力的不利影響，但同時(shí)也降低了泵的效率。這些小孔稱為平衡孔。(2)按吸液方式不同可將葉輪分為單吸式與雙吸式兩種。單吸式葉輪結(jié)構(gòu)簡(jiǎn)單，液體只能從一側(cè)吸入。雙吸式葉輪可同時(shí)從葉輪兩側(cè)對(duì)稱地吸入液體，它不僅具有較大的吸液能力，而且基本上消除了軸向推力。(3)根據(jù)葉輪上葉片上的幾何形狀，可將葉片分為后彎、徑向和前彎三種，由于后彎葉片有利于液體的動(dòng)能轉(zhuǎn)換為靜壓能，故而被普遍采用。低溫泵停車時(shí)吸入閥和排出閥應(yīng)保持常開狀態(tài)。武漢化工耐腐離心泵報(bào)價(jià)</p><p style="text-indent:25px">機(jī)械密封失效的表現(xiàn)大都是泄漏。蘇州自吸離心式污水泵批發(fā)</p><p style="text-indent:25px">什么是氣縛？氣縛現(xiàn)象：離心泵啟動(dòng)時(shí)，若泵內(nèi)存有空氣，由于空氣密度很小，旋轉(zhuǎn)后產(chǎn)生的離心力小，因而葉輪中心區(qū)所形成的低壓不足以吸入液體，這樣雖啟動(dòng)離心泵也不能完成輸送任務(wù)，這種現(xiàn)象稱為氣縛。這表示離心泵無自吸能力，所以離心泵在啟動(dòng)前必須向泵內(nèi)灌滿被輸送的液體。當(dāng)然若將離心泵的吸入口置于被輸送液體的液面之下，液體會(huì)自動(dòng)流入泵內(nèi)，這是一種特殊情況。離心泵吸入管路裝有底閥，以防止啟動(dòng)前灌入的液體從泵內(nèi)流出，濾網(wǎng)可以阻攔液體中的固體吸入而堵塞管道和泵殼排出管路中裝有的調(diào)節(jié)閥是供開泵、停泵和調(diào)節(jié)流量時(shí)使用。從造成汽蝕和氣縛的原因不同來看：氣縛是泵體內(nèi)有空氣，一般發(fā)生在泵啟動(dòng)的時(shí)候，主要表現(xiàn)在泵體內(nèi)的空氣沒排凈；而汽蝕是由于液體在一定的溫度下達(dá)到了它的汽化壓力，可見和輸送介質(zhì)，工況有密切的關(guān)系。蘇州自吸離心式污水泵批發(fā)</p><p style="text-indent:25px">威樂供水系統(tǒng)（杭州）有限公司位于塘棲鎮(zhèn)超山村蓬塢80號(hào)7幢105室。公司業(yè)務(wù)涵蓋威樂水泵，屏蔽式智能冷熱水循環(huán)泵，智能永磁變頻立式多級(jí)離心，冷熱水屏蔽式增壓泵等，價(jià)格合理，品質(zhì)有保證。公司從事能源多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。威樂供水系統(tǒng)秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: 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