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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="wbdseqk" class="twoCol"><div id="kjg2wgc" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_mifengjian/">密封件</a>?<a href="http://www.cdcfah.com/cp/third-mifengjian_jmf/">機械密封</a>?昌平區(qū)205釜用機械密封件伊格爾博格曼機械密封供應(yīng)</p><div id="q87wme8" class="leftbox clearfix"><h1>昌平區(qū)205釜用機械密封件伊格爾博格曼機械密封供應(yīng)</h1><div id="jxuevxu" class="proBig"><div id="mvx8dfm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525788876953/1391639.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v7r8knp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525788876953/1391639.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nheokc7" 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>昌平區(qū)205釜用機械密封件,釜用機械密封</p><p><span>***更新：</span>2021-01-06 02:11:04</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="gzvm779" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機: </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="3tmyamy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qurtln3" class="box"><p><p> 依靠介質(zhì)壓力和彈簧力使動靜環(huán)之間的密封端面緊密貼合，阻止了介質(zhì)的泄漏。摩擦副表面磨損后，在彈簧（5）的推動下實現(xiàn)補償。為了防止介質(zhì)通過動環(huán)與軸之間泄漏，裝有動環(huán)密封圈（3）；而靜環(huán)密封圈（7）則阻止了介質(zhì)沿靜環(huán)和壓蓋（8）之間的泄漏，昌平區(qū)205釜用機械密封件。長期的實踐證明，輔助設(shè)施的作用不可忽視。從國外進(jìn)來的泵，在提供的機械密封圖紙上，不*有密封結(jié)構(gòu)圖，而且在這張圖上明確地畫出了輔助設(shè)施的安裝圖，并注明輔助設(shè)施的種類和數(shù)量。國內(nèi)的制造廠有的開始注意這個問題；有的還沒認(rèn)識，這是不應(yīng)該的。輔助設(shè)施不*起冷卻和潤滑作用，昌平區(qū)205釜用機械密封件，還可改善密封的工作環(huán)境，從而減少泄漏量和延長使用壽命。因此有人把輔助設(shè)施看作是機械密封的組成部分。無疑，這一觀點將被越來越多的人接受。機械密封被***地應(yīng)用于各種旋轉(zhuǎn)機械的軸封，工況不同，使用的密封也不同，昌平區(qū)205釜用機械密封件。機械密封按使用條件可分為高速和普通機械密封；高壓和低壓機械密封；高溫、常溫和低溫機械密封；泵用、壓縮機用和釜用機械密封以及耐腐蝕機械密封和抗顆粒的機械密封等。通常都按機械密封的結(jié)構(gòu)和原理來分類，例如旋轉(zhuǎn)式和靜止式機械密封；內(nèi)流式和外流式機械密封；平衡型和非平衡型機械密封等。天門212釜用機械密封件。昌平區(qū)205釜用機械密封件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昌平區(qū)205釜用機械密封件,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525788876953/1391639.png"></div><p> 氣體不會在泵的中部滯留·(5)無軸的彎曲問題，軸封可遠(yuǎn)離泵體，減少熱的影響。電機安裝架為遮風(fēng)結(jié)構(gòu)，所以電機的溫升對泵幾乎沒有影響。(6)泵殼埋于地下，易于保冷.所以，石油液化氣用的低溫泵常用以上這種結(jié)構(gòu).2.低溫甲烷泵機械密封甲烷液化氣在-99℃時的蒸汽壓接近3MPa.乙烯裝置脫甲烷塔底泵在-53℃時出口壓力近似3MPa，采用雙端面串聯(lián)式機械密封，它是比拉公司BB81-K7+BB81B-S7型，尺寸為45x39與50x45(圖10-20)。耐腐蝕機械密封在腐蝕性介質(zhì)中，機械密封的零件受到介質(zhì)的強烈侵蝕，摩擦面同時受到.腐蝕和磨損，這種現(xiàn)象稱為“磨蝕“，其腐蝕速度約為無摩擦?xí)r的10~50倍.某些結(jié)構(gòu)材料具有優(yōu)良的耐蝕性能，耐磨性能卻較差;而另一些結(jié)構(gòu)材料雖具有良好的耐磨性，耐蝕性卻很差.因此，摩擦副應(yīng)選擇既要耐腐蝕又要耐磨，輔助密封圈、彈擠和結(jié)構(gòu)件也要有良好的耐蝕性能.在設(shè)計耐腐蝕機械密封時，一般采取以下一些措施:1.結(jié)構(gòu)上的隔離措施采用外裝式結(jié)構(gòu)，經(jīng)過適當(dāng)?shù)倪x擇，外裝式密封可以做到無金屬件與工藝介質(zhì)接觸，小的零件如彈簧、銷子可不受工藝介質(zhì)腐蝕.外裝式有普通型機械密封和波紋管型機械密封兩種，’以波紋管型密封結(jié)構(gòu)較好(圖10-21).如密封件材質(zhì)耐蝕能力許可。昌平區(qū)205釜用機械密封件德州212釜用機械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昌平區(qū)205釜用機械密封件,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525294716797/5764253.png"></div><p> 特種機械密封是指介質(zhì)、壓力、速度、溫度、結(jié)構(gòu)和用途方面與普通機械密封有所區(qū)別的機械密封，國內(nèi)也稱高參數(shù)機械密封.將機械密封分為普通和特種兩類，是便于說明機械密封的結(jié)構(gòu)、工作條件和使用要求，因此，有的密封廠商除列舉正常密封產(chǎn)品外，也列出高載荷機械密封;有的廠商則將產(chǎn)品樣本以外的機械密封稱作特種機械密封;有的廠商將高溫、高壓、高速的機械密封分別列出或加上標(biāo)志，以便與普通機械密封產(chǎn)品相區(qū)別;有的廠商則以使用溫度來區(qū)分普通機械密封與特種機械密封.例如，英國克蘭公司將溫度一20~+230℃作為正常產(chǎn)品，超出以上溫度范圍的機械密封，就作為特種機械密封產(chǎn)品來考慮.本章所列的特種機械密封*指釜用、高溫、高壓、高速、低溫、真空和強腐蝕介質(zhì)以及帶磨料介質(zhì)的機械密封，對于那些用于宇航、核電的機械密封，不在本章內(nèi)容之列。釜用機械密封釜用機械密封是指攪拌器(混合器)密封.從引進(jìn)裝置中使用攪拌器的情況來看，凡大型釜用攪拌器都采用機械密封，它占攪拌器總量的，而未采用機械密封的攪拌器多數(shù)為小功率和堆、槽內(nèi)的小型攪拌器.近年來，機械密封在攪拌器上得到應(yīng)用，一是因為攪拌器軸的擺動量大，有的攪拌軸長達(dá)7~8m，雖然有底部支承裝置。</p><p> 不*在開啟力和閉合力之間有嚴(yán)格比率，而且要求整個密封結(jié)構(gòu)經(jīng)得住高壓而不變形，此外，還要維持穩(wěn)定的液膜以保證密封性能.一、高壓機械密封的要求1.增大密封零件截面對轉(zhuǎn)動零件的截面要加大，靜環(huán)也相應(yīng)有較大的截面，不要在靜環(huán)外徑上有臺階或開槽.但要注意，隨著密封面寬度b的增加，熱變形和磨損也隨之增加，同樣要增加壓蓋的厚度以防變形和能承受壓力.使用重載荷彈簧，使用較大直徑的銷子以適應(yīng)較大的啟動扭矩.2.提高密封零件的加工精度(1)壓蓋底部裝靜環(huán)的幢孔面要保證高的平直度，因為在高壓下，任何表面上的高出點會傳給靜環(huán)而引起泄漏;(2)提高密封面內(nèi)外徑和寬度的加工精度，因為在高壓時，，密封內(nèi)外徑和寬度的精度對比壓的變化有明顯的影響.密封端面研磨、.拋光后的粗糙度為(▽12~▽13)，平直度必須限制在1個光帶以內(nèi).此外，摩擦端面的垂直度和軸的精度也要相應(yīng)提高.注意在高壓下因不同介質(zhì)所造成的沖刷腐蝕和磨損，圖10-12(a),(b)表示不同摩擦副材料在不同的轉(zhuǎn)速下介質(zhì)為烴和水及水溶液時壓力與密封尺寸的關(guān)系.5采用流體動壓式機械密封流體動壓式(也稱流體動力式，熱流體動壓式)機械密封是考慮在高壓和摩擦熱的情況下。南昌FMY212釜用機械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昌平區(qū)205釜用機械密封件,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525474833984/8962967.png"></div><p> 目前動環(huán)和軸套的密封方法可分為三類：輔助密封圈軸向安裝的動環(huán)、輔助密封圈徑向安裝的動環(huán)和帶波紋管的動環(huán)。輔助密封圈軸向安裝的動環(huán)（圖18），靠彈簧力壓緊密封圈來實現(xiàn)密封。彈簧力可視為不變化，密封可靠、使用壽一命長、安裝較方便，從而得到***應(yīng)用。輔助密封圈徑向安裝的動環(huán)（圖19），靠密封圈的過盈和彈性實現(xiàn)密封，其材料大多用聚四氟乙烯和合成橡膠。隨著使用時間的延長，這兩種材料分別出現(xiàn)冷流變形和老化而喪失彈性。有文獻(xiàn)記載，這種結(jié)構(gòu)的密封，有40%的失效發(fā)生在輔助密封圈部位。第三種動環(huán)是指波紋管型密封，將動環(huán)和波紋管制成一個整體（圖8），故不需要動環(huán)密封圈。靜環(huán)安裝在機器設(shè)備的殼體、壓蓋、法蘭等靜止部位上，它與動環(huán)組成的密封端面防止介質(zhì)泄漏，也有補償環(huán)和非補償環(huán)之分。當(dāng)補償機構(gòu)設(shè)計在動環(huán)一側(cè)時，密封端面磨損后，靜環(huán)不能進(jìn)行補償，叫做非補償型靜環(huán)。反之，稱為補償型靜環(huán)，當(dāng)密封端面磨損后，靜環(huán)在彈性元件作用下，做軸向移動進(jìn)行補償。非補償型靜環(huán)應(yīng)用較多，都用于旋轉(zhuǎn)型密封。靜環(huán)與壓蓋的密封和固定方式有兩種，一是浮動型，一是固定型。具體的結(jié)構(gòu)種類很多，圖20和圖21給出了較為典型的結(jié)構(gòu)。哈爾濱207釜用機械密封件。昌平區(qū)205釜用機械密封件</p><p style="text-indent:25px">威海MR-D釜用機械密封件。昌平區(qū)205釜用機械密封件</p><p> 它占引進(jìn)的斧用機械密封95%以上.例如，西德EKATO公司的RD13、RD23、RD200ST和日本炭研精工的2K07T型都是上裝式密封，它們用于PTA、聚乙烯和聚丙烯裝置.上裝式釜用機械密封的典型結(jié)構(gòu)如圖10-1所示，這是EKATO公司RD200ST型釜用密封的結(jié)構(gòu)圖.這種密封是雙端面帶水冷來套的密封結(jié)構(gòu)，適用操作溫度為130~180℃.如果操作溫度在130℃以下，可以不用水冷夾套，而用上部冷卻風(fēng)扇(圖3-38)，當(dāng)操作溫度至300~400℃時，必須采用底部帶法蘭冷卻器(圖10-2)的結(jié)構(gòu)，這里法蘭冷卻器起了熱阻擋層的作用.在安裝冷卻水管線時，要注意冷卻水出口管線與漏斗間高度至少在200mm以上，出口處水的溫度應(yīng)低于40~50℃。有關(guān)釜用密封的密封液貯罐及壓力平衡裝置見第七章第二節(jié)壓力裝置.聚丙烯裝置第1號、2號反應(yīng)釜用攪拌器的機械密封如圖10-3所示.三、底裝式釜用機械密封反應(yīng)釜底部傳動的攪拌器用的機械密封是一種特殊結(jié)構(gòu)，因為密封上部要與產(chǎn)品接觸，所以工作條件更為苛刻.底裝式釜用機械密封的要求:1.在結(jié)構(gòu)上做到不使攪拌釜內(nèi)沉積在底部的固體介質(zhì)與機械密封相接觸;2.當(dāng)密封失效時，不必排除釜內(nèi)液休也能卸除機械密封進(jìn)行維修工作，能快速更換，并能在反應(yīng)釜帶壓下進(jìn)行更換機械密封。昌平區(qū)205釜用機械密封件</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2719798.html</p></div></div></div></div></div><div id="m3qkw3g" class="page-right twoColRt"><div id="dcda3bn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="323ol2d" class="recomPic 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