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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i87vn2c" 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>淮安磁力結(jié)構(gòu)密封規(guī)格型號,密封</p><p><span>***更新：</span>2021-01-11 15:16:18</p><p><span id="click" >瀏覽次數(shù)：12次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="crdv2ik" 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="sw8nz4x" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rq2gnwc" class="box"><p><p> 水泵的機(jī)械密封亦稱端面密封,其有一對垂直于旋轉(zhuǎn)軸線的端面,該端面在流體壓力及補(bǔ)償機(jī)械外彈力的作用下,依賴輔助密封的配合與另一端保持貼合,并相對滑動,從而防止流體泄漏。 </p> <p> 一、機(jī)械密封常見的滲漏現(xiàn)象 </p> <p> 機(jī)械密封滲漏的比例占全部維修泵的50 %以上,機(jī)械密封的運(yùn)行好壞直接影響到水泵的正常運(yùn)行,現(xiàn)總結(jié)分析如下: </p> <p> 1.機(jī)械密封周期性滲漏 </p> <p> (1)防爆自吸泵轉(zhuǎn)子軸向竄動量大,輔助密封與軸的過盈量大,動環(huán)不能在軸上靈活移動。在泵翻轉(zhuǎn),動、靜環(huán)磨損后,得不到補(bǔ)償位移。 </p> <p> 對策:在裝配機(jī)械密封時,軸的軸向竄動量應(yīng)小于0.1mm ,輔助密封與軸的過盈量應(yīng)適中,在保證徑向密封的同時,動環(huán)裝配后保證能在軸上靈活移動(把動環(huán)壓向彈簧能自由地彈回來)。 </p> <p> (2)密封面潤滑油量不足引起干摩擦或拉毛密封端面。 </p> <p> 對策:油室腔內(nèi)潤滑油面高度應(yīng)加到高于動、靜環(huán)密封面，淮安磁力結(jié)構(gòu)密封規(guī)格型號。 </p> <p> (3)轉(zhuǎn)子周期性振動。原因是定子與上、下端蓋未對中或葉輪和主軸不平衡,汽蝕或軸承損壞(磨損) ,這種情況會縮短密封壽命和產(chǎn)生滲漏。 </p> <p> 對策:可根據(jù)維修標(biāo)準(zhǔn)來糾正上述問題。機(jī)械密封的輔助沖洗系統(tǒng)是非常重要的，淮安磁力結(jié)構(gòu)密封規(guī)格型號，它可以有效的保護(hù)密封面，淮安磁力結(jié)構(gòu)密封規(guī)格型號，起到冷卻、潤滑、沖走雜物等作用?；窗泊帕Y(jié)構(gòu)密封規(guī)格型號</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安磁力結(jié)構(gòu)密封規(guī)格型號,密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245511042138671/5150441.jpg"></div><p style="text-indent:25px">由于磁性過濾器堵塞對機(jī)械密封的正常運(yùn)行使用危害很大，因此要定期檢查清洗，發(fā)現(xiàn)元件損壞及時更換;應(yīng)保持機(jī)械密封水一路磁性濾網(wǎng)運(yùn)行，另一路備用，定期切換使用，以保證其正常的運(yùn)行狀態(tài)。定期清理工作結(jié)束，應(yīng)在進(jìn)行注水排空氣后，再將磁性過濾器投入備用狀態(tài)。機(jī)械密封水系統(tǒng)的排氣管必須在高于換熱器機(jī)械密封水出口管路上加裝，正常運(yùn)行前必須將機(jī)械密封水腔室及管路中的空氣徹底排出，低轉(zhuǎn)速運(yùn)行時也可以排氣，但是注意掌握開度不要將排氣閥全開。如排氣不徹底會出現(xiàn)密封摩擦副之間沒有潤滑液，造成干磨和旋動環(huán)熱裂，嚴(yán)重影響機(jī)械密封的安全正常運(yùn)行。此外，針對使用中的壓力問題，除在安裝時嚴(yán)格執(zhí)行規(guī)定的彈簧壓縮量外，還應(yīng)在高壓條件下采取特別處理措施。為使端面受力合理、減小變形，可采用硬質(zhì)合金、陶瓷等耐壓強(qiáng)度高的材料，并加強(qiáng)冷卻的潤滑措施。對真空狀態(tài)運(yùn)行造成的機(jī)械密封滲漏，應(yīng)采用雙端面機(jī)械密封，以改善潤滑條件，提高密封性能。浙江密封圈哪家比較便宜為延長其密封壽命，除了選擇恰當(dāng)?shù)哪Σ粮辈牧虾秃线m的端面比壓外，正確的安裝和維修也可起到重要的作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安磁力結(jié)構(gòu)密封規(guī)格型號,密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245509555029296/9629499.jpg"></div><p style="text-indent:25px">過熱損傷，過熱不引起密封副變形產(chǎn)生磨損，還可能引起熱裂和皰疤。通常，在過大的熱應(yīng)力作用下密封環(huán)表面上出現(xiàn)徑向裂紋，稱為熱裂。在短時間的機(jī)械負(fù)荷或熱負(fù)荷作用下會出現(xiàn)熱裂，例如由于干摩擦、冷卻系統(tǒng)中斷等熱裂時密封環(huán)磨損加劇泄漏量迅速增長。對于平衡型密封，甚至密封環(huán)分開。為了避免熱裂，必須掌握材料的機(jī)械-物理性能，在設(shè)計時考慮到可能產(chǎn)生熱裂，并給定運(yùn)轉(zhuǎn)條件。介質(zhì)潤滑性差、過載、操作溫度高、線速度高、配對材料組合不當(dāng)?shù)纫蛩?，或者是以上幾種因素的疊加，都可以產(chǎn)生過大的摩擦熱，若摩擦熱不能及時散發(fā)，就會產(chǎn)生熱裂紋，從而引起泄漏。</p><p> 機(jī)械密封的動環(huán)、靜環(huán)、密封圈、彈性元件的工作狀態(tài)如何? </p> <p> 動密封環(huán)(亦稱動環(huán)) </p> <p> 它隨泵軸一起旋轉(zhuǎn)，并和靜環(huán)緊密貼合組成密封面，以防止介質(zhì)泄漏。它與靜環(huán)相對滑動，當(dāng)密封面磨損以后，動環(huán)可以軸向移動進(jìn)行自動補(bǔ)償，保持密封面的良好貼合。 </p> <p> 靜密封環(huán)(亦稱靜環(huán)) </p> <p> 安置在泵殼上靜止不動，它與動環(huán)配對組成密封面防止介質(zhì)泄漏。 </p> <p> 靜環(huán)密封圈 </p> <p> 采用合成橡膠或聚四氟乙烯制成的O形圈，V形圈及其他形狀的密封圈，以防止靜環(huán)與壓蓋之間(或靜環(huán)座之間)的泄漏，并使靜環(huán)具有一定浮動性。 </p> <p> 動環(huán)密封圈 </p> <p> 采用與靜密封圈相同的密封圈，防止介質(zhì)從動環(huán)與軸之間的間隙中產(chǎn)生泄漏，并使動環(huán)具有一定的浮動性，保證動環(huán)與靜環(huán)的良好貼合，當(dāng)密封面磨損后能使動環(huán)可以產(chǎn)生軸向移動。 </p> <p> 彈性元件 </p> <p> 彈性元件主要起補(bǔ)償及緩沖的作用。彈性力使機(jī)械密封端面產(chǎn)生合理的端面比壓，也是機(jī)械密封使用壽命和密封性能的關(guān)鍵影響因素。彈性元件主要包括彈簧和波紋管兩種，通常采用圓柱螺旋彈簧，但也有采用圓錐彈簧和波形彈簧的；波紋管類彈性元件包括橡膠波紋管、聚四氟乙烯波紋管和金屬波紋管。軸封腔壓力很高或者壓力接近該密封使用比較高極限時，密封腔引液體至低壓區(qū)，使軸封液體流動以帶走摩擦熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安磁力結(jié)構(gòu)密封規(guī)格型號,密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503368681640/9165835.jpg"></div><p style="text-indent:25px">無論何種密封，對密封件都有一個共同的要求，即：嚴(yán)密、泄漏量少；可靠、使用壽命長；結(jié)構(gòu)簡單而緊湊；維修方便；成本低；價格便宜；互換性好。對于化工解析密封來說，泄漏量一般可控制在0.2～3mL；使用壽命一般可達(dá)一年以上。理論上大多數(shù)化工解析密封，當(dāng)磨損率較小且在流體動力潤滑條件下運(yùn)行時，則意味著密封應(yīng)該是永遠(yuǎn)耐用的，但實(shí)際并非如此，其原因通常在于存在著密封不可能克服的偶然工況，其中包括：化工解析密封的質(zhì)量存在問題；人為誤差（機(jī)器運(yùn)行操作錯誤）；安裝誤差；沖洗系統(tǒng)失效；石墨炭化是使用碳-石墨環(huán)時密封失效的主要原因之一。浙江密封圈哪家比較便宜</p><p style="text-indent:25px">一般機(jī)械密封，動環(huán)的中心、靜環(huán)的中心和軸的中心線都在一條直線上?；窗泊帕Y(jié)構(gòu)密封規(guī)格型號</p><p> 高壓密封的型式很多，按其工作原理分為強(qiáng)制密封和自緊密封兩類。強(qiáng)制密封是依靠聯(lián)接件（螺栓）的預(yù)緊力來保證壓力容器的頂蓋、密封元件和圓筒體端部之間具有一定的接觸壓力，以達(dá)到密封的目的。自緊密封是隨著壓力容器內(nèi)的操縱壓力增加，密封元件與頂蓋、圓筒體端部之間的接觸壓力也隨之增加，由此實(shí)現(xiàn)密封作用。自緊密封的特點(diǎn)是壓力越高，密封元件在接觸面的壓緊力就越大，密封性能也就越好，操縱條件波動時，密封仍然可靠。但是結(jié)構(gòu)比較復(fù)雜，制造較困難。自緊密封按密封元件變形方式還可以分為軸向自緊密封和徑向自緊密封。 </p> <p> 按密封材料性能，高壓密封又可分為使密封元件產(chǎn)生塑性變形的塑性密封，使密封元件產(chǎn)生彈性變形的彈性密封。淮安磁力結(jié)構(gòu)密封規(guī)格型號</p><p> 淮安市漣水創(chuàng)密機(jī)械制造有限公司是一家專業(yè)從事機(jī)械密封產(chǎn)品的開發(fā)、制造、銷售與一體化的企業(yè)。企業(yè)擁有國內(nèi)前列的工藝、專業(yè)的技術(shù)人員，先進(jìn)的生產(chǎn)設(shè)備和檢測手段。堅持以科技為導(dǎo)向，建立了嚴(yán)格的產(chǎn)品質(zhì)量和管理保證體系，并按照國家和國際的相關(guān)標(biāo)準(zhǔn)以及用戶的特殊需求，生產(chǎn)質(zhì)量的機(jī)械密封產(chǎn)品，滿足了廣大用戶的需求。同時，企業(yè)致力于為用戶提供相關(guān)的技術(shù)咨詢，解決用戶使用中的疑難和關(guān)鍵，體現(xiàn)了企業(yè)的價值。 </p> <p> <br /> </p> <p> 企業(yè)生產(chǎn)的機(jī)械密封產(chǎn)品包括：輕型密封、中型密封和重型密封。產(chǎn)品品種齊全，被廣泛應(yīng)用于石油、化工、電力、造紙，食品等行業(yè)。由于產(chǎn)品密封性能好，經(jīng)久耐用，深受廣發(fā)用戶好評。 </p> <p> <span style="font-size:12px;"> 企業(yè)始終以用戶至上、***為起點(diǎn)，緊扣時代脈搏，抓發(fā)展機(jī)遇，已被諸多用戶認(rèn)定為質(zhì)量產(chǎn)品供應(yīng)商，是值得依賴的合作伙伴。企業(yè)將永遠(yuǎn)把質(zhì)量的產(chǎn)品、誠信的服務(wù)奉獻(xiàn)給廣大用戶，熱忱歡迎新老客戶惠顧。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2802242.html</p></div></div></div></div></div><div id="rvhov9t" class="page-right twoColRt"><div id="v80ubpb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kugd8eb" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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