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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>常州葉輪泵密封批發(fā)價,封</p><p><span>***更新：</span>2020-08-16 10:14:13</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="ohovct7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機(jī)械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚(yáng)民營經(jīng)濟(jì)產(chǎn)業(yè)園</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="2ofcega" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ftf2zxx" class="box"><p><p> 泵用機(jī)械密封種類繁多，型號各異，但泄漏點(diǎn)主要有五處： </p> <p> 軸套與軸間的密封； </p> <p> 動環(huán)與軸套間的密封； </p> <p> 動、靜環(huán)間密封； </p> <p> 對靜環(huán)與靜環(huán)座間的密封； </p> <p> 密封端蓋與泵體間的密封。 </p> <p> 現(xiàn)象:操作中密封發(fā)出爆裂聲（端面爆裂聲） </p> <p> 可能的原因:密封液在密封界面汽化加強(qiáng)密封面的冷卻 </p> <p> 解決方法:增加旁路沖洗管線（如果沒有的話）擴(kuò)大旁路沖洗管線和/或壓蓋上的開孔，常州葉輪泵密封批發(fā)價。 </p> <p> 現(xiàn)象:密封連續(xù)滴漏 </p> <p> 可能的原因:表面不平;石墨密封面起泡;密封面產(chǎn)生熱變形 </p> <p> 解決方法:在安裝過程中，輔助密封被劃傷O形圈老化，由于壓縮形變輔助密封變硬變脆由于化學(xué)作用輔助密封變軟變粘 </p> <p> 現(xiàn)象:彈簧失效 </p> <p> 可能的原因:由于腐蝕作用，金屬附件損壞，傳動機(jī)構(gòu)被腐蝕 </p> <p> 解決方法:檢查不正確的安裝尺寸,檢查是否采用了不合適的材料和密封類型改進(jìn)沖洗冷卻管線,檢查是否出現(xiàn)壓蓋螺栓扭矩過大導(dǎo)致壓蓋變形,檢查壓蓋墊片的比壓是否合適，檢查密封面間有無其他固體顆粒，常州葉輪泵密封批發(fā)價，如需要時對密封面重新拋光。檢查密封面處的裂紋，常州葉輪泵密封批發(fā)價，更換主、配合密封環(huán)。 </p> <p> 現(xiàn)象:操作過程中，密封發(fā)出尖嘯聲 </p> <p> 可能的原因:密封處的潤滑液量不足 </p> <p> 解決方法:增加旁路沖洗管線（如果沒有的話）擴(kuò)大旁路沖洗管線和/或壓蓋上的開孔。泵在停一段時間后再啟動時泄漏，因為摩擦副附近介質(zhì)的凝固、結(jié)晶，摩擦副上有水垢、彈簧腐蝕、阻塞而失彈。常州葉輪泵密封批發(fā)價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州葉輪泵密封批發(fā)價,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298675996094/8215396.jpg"></div><p> 水泵質(zhì)量跟機(jī)械密封的選擇安裝很關(guān)鍵。 </p> <p> 機(jī)械密封件屬于精密、結(jié)構(gòu)較為復(fù)雜的機(jī)械基礎(chǔ)元件之一，是各種泵類設(shè)備的關(guān)鍵部件。對于機(jī)泵，超過50%機(jī)率的泄露問題產(chǎn)生原因往往就在機(jī)械密封上！ </p> <p> 機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。 </p> <p> 選型的主要參數(shù)有：密封腔體壓力（MPa）、流體溫度（℃）、工作速度（m/s）、流體的特性以及安裝密封的有效空間等。 </p> <p> <p> 根據(jù)密封腔體壓力，確定密封結(jié)構(gòu)采用平衡型或非平衡型，單端面或雙端面等。 </p> <p> 根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動壓式或非接觸型。 </p> <p> 根據(jù)溫度及流體性質(zhì)，確定摩擦副和輔助密封材料，以及正確選擇潤滑、沖洗、保溫、冷卻等機(jī)械密封循環(huán)保護(hù)系統(tǒng)等。 </p> <p> 根據(jù)安裝密封的有效空間，確定采用多彈簧或單彈簧或波形彈簧，內(nèi)裝式或外裝式。 </p> 鹽城清水密封廠家供應(yīng)在實(shí)際安裝過程中，應(yīng)該做好對裝配圖的核對工作，并檢各種零件表面是否出現(xiàn)了劃痕、缺點(diǎn)等情況。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州葉輪泵密封批發(fā)價,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg"></div><p> 給水泵內(nèi)的高壓水雖經(jīng)過密封件，但依然有一定的壓力，為了不讓給水泵內(nèi)的水通過軸與密封件之間的間隙外泄，就從凝結(jié)水泵出口或除鹽水母管引以水源為密封水。 </p> <p> 給水泵內(nèi)的水是具有一定溫度的水，高溫水會通過泵的轉(zhuǎn)軸或泵體金屬把熱量傳遞給軸承，使軸承溫度升高。為了控制熱量外傳，所以密封水也起著冷卻的作用。 </p> <p> 在密封水通過密封件時，水在軸與密封件之間形成水膜，防止在此處軸與密封件之間的間隙外泄，造成大量的工質(zhì)損失；同時高溫給水會通過泵軸和泵體金屬把熱量傳遞給軸承使軸承溫度升高。嚴(yán)重時還會使軸承燒毀；高速旋轉(zhuǎn)的軸與密封件之間的間隙很小，當(dāng)失去密封水時，此處的水膜也就遭到破壞，軸與密封件很可能發(fā)生摩擦，使給水泵振動增大，嚴(yán)重時將造成設(shè)備損壞。密封水的回水一般采用多級水封管引入凝汽器。 </p> <p> <br /> </p><p> 在設(shè)計合理，加工精良，裝配完好、轉(zhuǎn)速較高時，迷宮密封效果很好。但在實(shí)際應(yīng)用中，因此而產(chǎn)生的泄漏卻很多，分析其原因主要有： </p> <p> 密封副(如軸和軸承壓蓋)配合間隙太大，而此間隙與密封效果成反比。配合面粗糙，明顯的螺旋狀車刀痕在有些情況下也加大了泄漏趨勢。 </p> <p> 軸承室內(nèi)潤滑油注入量太多，其溢出壓力超過了密封阻力。 </p> <p> 油窗或油位計安裝位置有誤，誤導(dǎo)了人們對油室內(nèi)潤滑油量的正確判斷。 </p> <p> 運(yùn)轉(zhuǎn)中油溫的升高使其粘度降低，增加了泄漏的可能。 </p> <p> 回油槽或回油孔尺寸偏小，或受到其它障礙，使被阻滯的液體不能順利返回而造成泄漏。人們在分析機(jī)械密封泄漏原因時，在機(jī)械封自身方面查找原因，比如：它的選型如是否合適，材料選擇是否正確。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州葉輪泵密封批發(fā)價,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293279589844/7625641.jpg"></div><p> 對石化行業(yè)來說，高溫重質(zhì)油泵用機(jī)械密封的選用一直是一大難題，例如催化裂化油漿泵、回?zé)捰捅?、常壓塔底泵、初餾塔底泵、減壓塔底泵、延遲焦化的輻射進(jìn)料泵等。 </p> <p> 高溫重質(zhì)油泵的介質(zhì)具有以下共同的特點(diǎn): </p> <p> 溫度高:一般在340一400℃; </p> <p> 介質(zhì)粘度大:在溫度下一般運(yùn)動粘度為(12一180)X 10一6m/s; </p> <p> 介質(zhì)有顆粒:如催化劑、焦炭、含有砂粒等其他雜質(zhì)。 </p> <p> 對于高溫重油介質(zhì)泵用機(jī)械密封?，F(xiàn)在各個企業(yè)都采用焊接金屬波紋管械密封?，F(xiàn)在使用情況較好的有DBM型、XL-604/606/609型、YH-604/606/609型等。波紋管材料采用八AM350、INCONEL718、哈氏B、C等不銹鋼;耐腐蝕高溫合金等，有的波片采用雙層結(jié)構(gòu)，使其承壓力從2MPa上升到5MPa，這些都有效解決了波紋紋管的失彈問題。在對該設(shè)備進(jìn)行維護(hù)的過程中，也應(yīng)明確彈簧的旋向，一旦出現(xiàn)安裝錯誤，將很容易造成泄漏問題。鹽城容積泵密封廠家供應(yīng)</p><p style="text-indent:25px">裝O形圈的溝槽尺寸超差，尤其是深度尺寸過大時，使O形圈安裝后壓縮變形量不足而影響密封能力。常州葉輪泵密封批發(fā)價</p><p> 防止工作介質(zhì)從泵內(nèi)泄漏出來或者防止外界雜質(zhì)或空氣侵入到泵內(nèi)部的裝置或措施稱為密封，被密封的介質(zhì)一般為液體、氣體或粉塵。 </p> <p> 造成泄漏的原因主要有兩個方面：一是密封面上有間隙。二是密封部位兩側(cè)存在壓力差，消除或減小任何一個因素都可以阻止或減小泄漏，達(dá)到密封的目的。泵的設(shè)計壓力和使用壓力是客觀存在不能減小，所以泵的密封該解決的是消除或減小密封面之間的間隙。這種間隙包括密封面之間的間隙和密封裝置本生內(nèi)部的間隙。 </p> <p> <br /> 常州葉輪泵密封批發(fā)價</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司創(chuàng)建于2014-07-02，注冊資金 200-300萬元，是一家專注漣水創(chuàng)密機(jī)械制造有限公司產(chǎn)品包括:輕型密封、中型密封、重型密封，廣泛應(yīng)用于石油、化工、電力、造紙，食品，機(jī)械密封件來料加工（塑料機(jī)械密封件除外）、銷售；機(jī)械配件、汽車配件銷售；自營和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，的公司。公司目前擁有51~100人員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質(zhì)高效的產(chǎn)品服務(wù)，深受員工與客戶好評。漣水創(chuàng)密機(jī)械制造有限公司主營業(yè)務(wù)涵蓋[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]，堅持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實(shí)的工作作風(fēng)、良好的職業(yè)道德，樹立了優(yōu)良的[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]形象，贏得了社會各界的信任和認(rèn)可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/930567.html</p></div></div></div></div></div><div id="uyfevsf" class="page-right twoColRt"><div id="wlias8d" class="box01 margin10 clearfix"><h3><a 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