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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>?鐵嶺搪玻璃釜用機械密封伊格爾博格曼機械密封供應(yīng)</p><div id="sg9yk32" class="leftbox clearfix"><h1>鐵嶺搪玻璃釜用機械密封伊格爾博格曼機械密封供應(yīng)</h1><div id="znmy3r8" class="proBig"><div id="2rnpu3a" 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="ikz8772" 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="aneg8jx" 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>鐵嶺搪玻璃釜用機械密封,釜用機械密封</p><p><span>***更新：</span>2020-12-01 07:17:42</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="88b2sxd" 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="vewdkwd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nr7rjvm" class="box"><p><p> 一、高位差平衡罐裝置高位差平衡罐裝置與釜用機械密封組合型式見圖1一14。高位差平衡罐裝置的主要設(shè)備是一個帶有液面計的平衡罐，罐內(nèi)裝有密封液，罐底部與密封腔的進出口連接，頂部與釜內(nèi)連通。釜內(nèi)的壓力可以直接加壓在上面。平衡罐安裝的位置要比反應(yīng)釜高出一定距離，釜內(nèi)壓力加上這段液位差壓力，使密封腔的壓力稍大于釜內(nèi)壓力，且壓差始終保持不變，使密封保持在一個穩(wěn)定的工作狀態(tài)。二、活塞增壓裝置活塞增壓裝置與釜用機械密封組合型式見圖1-15。該裝置是一種壓力傳遞機構(gòu)，平衡罐中間裝有一平衡活塞，鐵嶺搪玻璃釜用機械密封，平衡罐上部與密封腔連通，下部與釜內(nèi)連通，釜內(nèi)的壓力通過平衡活塞傳遞到密封腔。由于活塞體上端的承壓面積比活塞體下端的承壓面積減少了一根活塞桿d的面積，則密封液壓力按兩端承壓面積反比例地增加。從而保證了良好的密封條件。設(shè)計活塞兩端的承壓面積之比時，應(yīng)根據(jù)所要求的密封腔與釜內(nèi)壓力差來計算。此外，鐵嶺搪玻璃釜用機械密封，活塞桿上裝有彈簧，鐵嶺搪玻璃釜用機械密封，調(diào)節(jié)好彈簧的壓縮量，使彈簧張力正好抵消活塞上0形圈對缸壁的摩擦力，以減少計算值的誤差。三、氮氣瓶充壓裝置氮氣瓶充壓裝置與釜用機械密封組合型式見圖1-16。該裝置與高位差平衡罐裝置相同的是均采用平衡罐補充密封液。濰坊MR-D釜用機械密封件。鐵嶺搪玻璃釜用機械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鐵嶺搪玻璃釜用機械密封,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525788876953/1391639.png"></div><p> 焊接金屬波紋管的彈率的計算由于焊接金屬波紋管機械密封不用彈簧，彈性力完全由波紋管產(chǎn)生，因此波紋管設(shè)計時要考慮其彈率。一般將波紋管的彈率設(shè)計得小些，當(dāng)要求一定的彈力時，波紋管的壓縮量就要適當(dāng)?shù)丶哟蟆＿\轉(zhuǎn)相當(dāng)長時間后，如果密封端面磨損，波紋管自動補償，而彈力降低不會大，始終保持密封端面有足夠的壓比。為保證足夠的彈性力，壓縮量在10mm左右，低不能低于6mm。工作時每個波的變形以小為宜，為保證一定的壓縮量，要適當(dāng)增加波數(shù)，保持波距。一般波數(shù)取16～20，溫度和壓力高時波數(shù)宜取多。波紋管的彈率是幾何形狀和材料的函數(shù)，常用下式計算：k=πEt3(c)d2/2nB3d1式中k——波紋管彈率，N／mm；E——材料在工作溫度下的彈性模量，N/mm2；t——波片厚度，mmn——波紋管波數(shù)；d1、d2——分別為波紋管的內(nèi)外徑，mm；B——波紋管的片寬，mm。B=（d2-d1）／2公式中沒有考慮波片的斷面形狀等因素，因此有一定的誤差。實際工作中可在彈簧測力計上測量其彈率。普通彈簧的彈率計算在一般“機械零件”書上能找到，故在此不作介紹。非對稱型波紋管焊接金屬波紋管機械密封以其結(jié)構(gòu)簡單、伸縮性好和耐高溫等優(yōu)點，得到了日益廣的應(yīng)用，尤其是高溫泵的密封中。鐵嶺搪玻璃釜用機械密封滄州M481釜用機械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鐵嶺搪玻璃釜用機械密封,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525294716797/5764253.png"></div><p> 它占引進的斧用機械密封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行維修工作，能快速更換，并能在反應(yīng)釜帶壓下進行更換機械密封。</p><p> 在有的國家已成為主要的軸封方式。國內(nèi)的焊接金屬波紋管密封質(zhì)量不夠穩(wěn)定，其主要原因是制造金屬波紋管的材料欠佳，大都用181型不銹鋼制造。這種材料耐腐蝕，但強度和彈性較差，特別是在高溫下，使用一段時間后出現(xiàn)“失彈”。國外大都用AM350制造，這是一種沉淀硬化不銹鋼，高溫下仍有足夠的強度和彈性，先彈的機會較少。但是，經(jīng)過長期使約后也暴露了一些缺陷，在波片的焊縫附近開裂。究其原因是在受壓狀態(tài)下。一軸向斷面上各處應(yīng)力分布不均勻，有較嚴(yán)重的應(yīng)力集中現(xiàn)象，從而降低了使用壽命?，F(xiàn)有的焊接金屬波紋管其斷面的內(nèi)外緣處（或稱波谷和波峰）、幾何形狀和尺寸是相同的，故也稱為“對稱型”波紋管。它具有上述缺陷，為克服此缺陷，出現(xiàn)了“非對稱型”波紋管。所謂非對稱型波紋管是波谷（內(nèi)緣處）和波峰（外緣處）購肉率半徑不同，波峰大于波谷。在介質(zhì)壓力作用下，迫使其向低壓側(cè)變形，工作時斷面形狀趨于對稱，應(yīng)力趨于均勻（圖44）。同時由于采用了特殊結(jié)構(gòu)的波紋管，焊縫長度縮短。據(jù)國外資料介紹一種13/4英寸的T15WTO型密封，焊縫總長度超過4000mm，而同樣尺寸的非對稱型波紋管密封，焊縫長度*87mm，使密封的可靠性提高，密封能力提高30%。鎮(zhèn)江M461釜用機械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鐵嶺搪玻璃釜用機械密封,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525993574219/7876503.png"></div><p> 用于壓縮機的高速機械密封的直徑較大，而用于高速泵的機械密封尺寸一般都在2in左右.高速泵用的機械密封以美國約翰克蘭公司(JohnCranePackingCompany)的9AB型密封為典型[圖10-17(a),(b)]，這種密封常用在美國Sundstrand公司高速泵的齒輪箱和泵體的密封上.為了節(jié)省空間并獲得較高的重量與功率比，無論泵的結(jié)構(gòu)和機械密封結(jié)構(gòu)都很緊湊，一般石油化工公司都引進這種高速泵‘，目前揚子石油化工公司有關(guān)裝置使用51臺(見表3-41)，中國石油化工總公司系統(tǒng)使用近200臺。圖中60C用于齒輪箱密封，60A或60A+60B用于泵葉輪端密封.低溫機械密封一般低溫機械密封是指工作溫度在0~-50℃的密封，API-610的低溫含義指溫度低于-29℃，國內(nèi)通常以密封腔溫度低于-20℃為低溫.實際上，低溫范圍較寬，可以劃分為:低溫:-20~-50℃中低溫:-50~-100℃極低溫:-100~-196℃**溫:<-196℃泵送低溫介質(zhì)主要指液化氣體和易揮發(fā)的液體，如液態(tài)氮、液態(tài)氧、甲烷、乙烷、乙烯等液化氣。關(guān)于氮、氧、空氣等液化氣體的物理性能如表10-3所示.關(guān)于乙烯、丙烯、甲烷、乙烷、丙烷的物理性能如圖10-18(a)、(b)、(c)、(d)所示·一、低溫機械密封的要求1.材料要求金屬材料隨著溫度降低。秦皇島M461釜用機械密封廠家。臨沂整套釜用機械密封</p><p style="text-indent:25px">鶴壁2009釜用機械密封件。鐵嶺搪玻璃釜用機械密封</p><p> 但擺動量仍然很大，填料密封已滿足不了要求;二是使用條件越來越苛刻，安全要求也越來越高，減少泄漏，防止污染環(huán)境的呼聲促使設(shè)計、生產(chǎn)部門采用機械密封;三是釜用機械密封的結(jié)構(gòu)不斷改進以及與其配套的輔助裝置普遍得到采用，使密封效果更良好，從而節(jié)省了維修費用.有人做過統(tǒng)計，盡管機械密封的凈購置費用比填料密封高，但安裝使用之后，機械密封的維修費用只占填料密封維修費用的1/20，五年后總費用，機械密封比填料密封低一半.一、釜用機械密封與泵用機械密封的區(qū)別1.釜用機械密封大多數(shù)為立式，少數(shù)為傾斜式，極個別為水平式.一般計算機械密封端面比壓都不考慮旋轉(zhuǎn)零件的自重.2.泵用機械密封的軸徑多數(shù)在100mm以下，而釜用機械密封的軸徑在100mm以上也很多.泵用機械密封的重量一般從幾百克到幾公斤，.而一套釜用機械密封的重量有時達幾百公斤到一千公斤以上。所以，在設(shè)計時要考慮安裝、檢修所需的起吊裝置.3.釜用機械密封的密封介質(zhì)多數(shù)為氣相.因此，釜用密封的端面比壓要比泵用密封的端面比壓高.4.釜用密封多數(shù)為雙端面、平衡型結(jié)構(gòu)，此外，為了安裝和檢修方便，也用剖分式結(jié)構(gòu)和易檢拆結(jié)構(gòu).二、上裝式釜用機械密封上裝式釜用密封應(yīng)用較廣。鐵嶺搪玻璃釜用機械密封</p><p style="text-indent:25px">伊格爾博格曼機械密封（張家港）有限公司致力于機械及行業(yè)設(shè)備，以科技創(chuàng)新實現(xiàn)高品質(zhì)管理的追求。張家港博格曼深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提供高品質(zhì)的機械密封，泵用機械密封，釜用機械密封，攪拌器機械密封。張家港博格曼始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。張家港博格曼始終關(guān)注機械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: 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