濟(jì)南雙端面泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 2、機(jī)械密封的沖洗狀況不符合設(shè)計(jì)要求。在輸送易結(jié)晶或有細(xì)小顆粒的介質(zhì)時(shí)，必須有一定壓力和一定流量的沖洗液進(jìn)行沖洗，濟(jì)南雙端面泵用機(jī)械密封，否則其結(jié)晶體或者微粒會(huì)加速密封副的磨損，以及影響密封副"><meta name="keywords" content="濟(jì)南雙端面泵用機(jī)械密封,泵用機(jī)械密封"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub 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href="http://www.cdcfah.com/cp/third-mifengjian_jmf/">機(jī)械密封</a>?濟(jì)南雙端面泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="3wbyppj" class="leftbox clearfix"><h1>濟(jì)南雙端面泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="qt3raj0" class="proBig"><div id="bayrmbz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gnc8ho3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uc5pjcg" 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>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>濟(jì)南雙端面泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2021-02-06 11:17:04</p><p><span id="click" >瀏覽次數(shù)：7次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fiuoj3z" 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(jī)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(jī): </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="iqylrk8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ymfomqo" class="box"><p><p> 2、機(jī)械密封的沖洗狀況不符合設(shè)計(jì)要求。在輸送易結(jié)晶或有細(xì)小顆粒的介質(zhì)時(shí)，必須有一定壓力和一定流量的沖洗液進(jìn)行沖洗，濟(jì)南雙端面泵用機(jī)械密封，否則其結(jié)晶體或者微粒會(huì)加速密封副的磨損，以及影響密封副磨損后的自動(dòng)補(bǔ)償而發(fā)生泄漏。所以根據(jù)輸送介質(zhì)的性質(zhì)不僅要配置相應(yīng)的沖洗管路，更要安裝有監(jiān)控和調(diào)節(jié)功能的儀表和裝置，濟(jì)南雙端面泵用機(jī)械密封，濟(jì)南雙端面泵用機(jī)械密封，保證沖洗液的壓力和流量滿足設(shè)計(jì)要求，才能維持機(jī)封的正常工作，這一點(diǎn)往往被用戶所忽視。3、每種機(jī)械密封所能承受的壓力是有限度的，由于對(duì)密封腔內(nèi)的壓力測(cè)算不準(zhǔn)，造成密封腔內(nèi)的壓力超過(guò)了機(jī)械密封所能承受的壓力而產(chǎn)生泄漏，也是常見(jiàn)的密封失效原因之一。4、機(jī)械密封的工作溫度不能超過(guò)其規(guī)定值。在有冷卻管路的設(shè)計(jì)中，往往由于冷卻介質(zhì)的流量不足而使冷卻效果降低；在沒(méi)有冷卻管路的設(shè)計(jì)中，密封腔內(nèi)經(jīng)常由于窩存空氣而造成機(jī)械密封處于干磨擦狀態(tài)。這兩種情況都會(huì)使機(jī)械密封的運(yùn)動(dòng)密封副工作溫度過(guò)高而加快磨損，導(dǎo)致密封失效。5、在使用單彈簧的機(jī)械密封時(shí)，忽略彈簧的旋轉(zhuǎn)方向與泵轉(zhuǎn)子轉(zhuǎn)動(dòng)方向的正確組合也時(shí)有發(fā)生?；蛟O(shè)計(jì)時(shí)沒(méi)有說(shuō)明，或裝配時(shí)的疏忽，沒(méi)有做到因?yàn)檗D(zhuǎn)子的旋轉(zhuǎn)而使機(jī)械密封的彈簧力加大而是相反。綿陽(yáng)襄樊五二五泵用機(jī)械密封泄露。濟(jì)南雙端面泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南雙端面泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png"></div><p> 無(wú)外供液沖洗冷卻系統(tǒng)，當(dāng)這一級(jí)密封泄漏時(shí)，泵體介質(zhì)會(huì)直接泄漏到環(huán)境中，主要適用于一般介質(zhì)場(chǎng)合。與其他輔助密封并用時(shí)，可用于帶懸浮顆粒、高溫、高壓等場(chǎng)合。單端面密封3、雙端面密封離心泵的結(jié)構(gòu)和軸封特性雙端面密封離心泵的軸封由兩對(duì)摩擦副密封端面(動(dòng)靜環(huán)摩擦副1、動(dòng)靜環(huán)摩擦副2）組成，需外供封液系統(tǒng)，帶有泄漏液收集和泄漏報(bào)警裝置的雙機(jī)封密封。一級(jí)是內(nèi)機(jī)封，由泵體工藝介質(zhì)提供潤(rùn)滑沖洗；一級(jí)是外機(jī)封，由外供液系統(tǒng)進(jìn)行冷卻、沖洗。雙端面密封具有兩級(jí)密封，當(dāng)內(nèi)機(jī)封泄漏時(shí)，會(huì)先泄漏到外級(jí)機(jī)封的沖洗冷卻系統(tǒng)壓力罐，而沒(méi)有直接泄漏到環(huán)境中來(lái)，確保初步的安全。只有內(nèi)外兩級(jí)機(jī)封都泄漏時(shí)，泵體介質(zhì)才會(huì)泄漏到環(huán)境中，適用于強(qiáng)腐蝕、高溫的介質(zhì)、氣體介質(zhì)、易燃易爆、易揮發(fā)、低粘度的介質(zhì)，以及高真空等場(chǎng)合。雙端面密封圖4、屏蔽泵的結(jié)構(gòu)和軸封特性（1）屏蔽泵的工作原理及結(jié)構(gòu)屏蔽泵是一種無(wú)密封泵，泵和驅(qū)動(dòng)電機(jī)都被密封在一個(gè)被泵送介質(zhì)充滿的壓力容器內(nèi)，此壓力容器只有靜密封，并由一個(gè)電線組來(lái)提供旋轉(zhuǎn)磁場(chǎng)并驅(qū)動(dòng)轉(zhuǎn)子。這種結(jié)構(gòu)取消了傳統(tǒng)離心泵具有的旋轉(zhuǎn)軸密封裝置，故能做到完全無(wú)泄漏。屏蔽泵屬于離心泵的一種特殊形式。濟(jì)南雙端面泵用機(jī)械密封貴州襄樊五二五泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南雙端面泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990554648437/1913587.png"></div><p> 比YG6大1倍多，為／℃（10～500℃時(shí)）。這兩點(diǎn)決定了耐熱沖擊性能不如YG6好。正因?yàn)榫€膨脹系數(shù)較大，和馬氏體不銹鋼接近（10～500℃時(shí)為11X10-6／℃），為和環(huán)座焊接提供了有利條件。焊接時(shí)需在環(huán)和座之間鋪放一層鎳基粉末，置于真空電阻爐中，經(jīng)1100℃高溫熔焊，然后進(jìn)行回火處理，以消除焊接應(yīng)力。由于是焊接的密封環(huán)，硬質(zhì)合金環(huán)的厚度可以比YG6薄，毛坯的厚度也只有3～3．5mm。以因密度小，是YG6的一半（7~），因此，可節(jié)約貴重金屬，價(jià)格較低。這種合金的牌號(hào)為CN15，其中Cr3C285%，Ni為15%，由北京硬質(zhì)合金廠研制成功。熱裝式密封環(huán)以其性能***應(yīng)用，但過(guò)盈量過(guò)大則硬質(zhì)合金在較大擠壓應(yīng)力作用下產(chǎn)生變形；過(guò)盈量過(guò)小，使用時(shí)會(huì)松脫。經(jīng)長(zhǎng)期觀察分析，熱裝式密封環(huán)松脫主要是由于環(huán)座和硬質(zhì)合金環(huán)兩者線膨脹純利系數(shù)的差別，工作出現(xiàn)間隙。由此可見(jiàn)，熱裝式密封環(huán)失效的根本原因主要有二：一是過(guò)盈值小，三是環(huán)座材料選擇不當(dāng)，線膨脹系數(shù)太大。確定過(guò)盈值應(yīng)遵循的原則：1）從傳遞扭矩的角度考慮過(guò)盈值應(yīng)足夠大。2）從環(huán)的變形的角度考慮過(guò)盈值不可過(guò)大。綜合起來(lái)，在滿足環(huán)和座傳遞扭矩的情況下，取小的過(guò)盈值。</p><p> 七、目前應(yīng)用的密封種類根據(jù)制造方法和材料的不同，目前應(yīng)用的密封環(huán)有整體式密封環(huán)（用同一種材料制造）、組合式密封環(huán)、表面堆焊硬質(zhì)合金和噴涂陶瓷等多種結(jié)構(gòu)。整體式密封環(huán)種類：這種密封環(huán)因用同一種材料制成，材料的性能在密封環(huán)的各個(gè)部位均勻一致，沒(méi)有組合式密封環(huán)泄漏和分離的缺陷，也沒(méi)有電化學(xué)腐蝕的可能。制造軟環(huán)大都用石墨，制造硬環(huán)時(shí)可用各種合金鋼，如軸承鋼（GCr9）、高速鋼（W18CrV）及其他合金鋼（如40Cr、3Cr13等），也有的用合金鑄鐵（如硅、鉻和鎳鑄鐵）。采用這些材料時(shí)，都要輔之以適當(dāng)?shù)臒崽幚砉に?，以提高其硬度和耐磨性。這類材料價(jià)格較低，如果使用恰當(dāng)，也有較長(zhǎng)的壽命。為了進(jìn)一步提高硬度和延長(zhǎng)使用壽命，可采用硬質(zhì)合金制造。常用的硬質(zhì)合金為鉆基碳化鎢，性能較好，但價(jià)格高。鋼結(jié)硬質(zhì)合金的價(jià)格較低。為了提高在腐蝕介質(zhì)中的耐蝕性，有鎳基碳化鎢，而哈氏合金有更高的耐蝕性，但價(jià)格昂貴。此外，還有用碳化硅及其他陶瓷材料制造的密封環(huán)。出現(xiàn)組合式由封環(huán)的原因碳化鎢等材料有優(yōu)良的性能，但是價(jià)格高，加工困難，限制了它的使用。為解決這個(gè)矛盾，出現(xiàn)了組合式密封環(huán)。密封端面采用硬質(zhì)合金，密封環(huán)的基體。寶雞化工泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南雙端面泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990601464844/125984.png"></div><p> 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(jī)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(lái)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(shí)，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(shí)，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(jiàn)第七章第二節(jié)壓力裝置.聚丙烯裝置第1號(hào)、2號(hào)反應(yīng)釜用攪拌器的機(jī)械密封如圖10-3所示.三、底裝式釜用機(jī)械密封反應(yīng)釜底部傳動(dòng)的攪拌器用的機(jī)械密封是一種特殊結(jié)構(gòu)，因?yàn)槊芊馍喜恳c產(chǎn)品接觸，所以工作條件更為苛刻.底裝式釜用機(jī)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(jī)械密封相接觸;2.當(dāng)密封失效時(shí)，不必排除釜內(nèi)液休也能卸除機(jī)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(jī)械密封，還要求在不拆除笨重的傳動(dòng)機(jī)構(gòu)情況下。山西格蘭富泵用機(jī)械密封型號(hào)。濟(jì)南雙端面泵用機(jī)械密封</p><p style="text-indent:25px">嘉峪關(guān)飛力泵用機(jī)械密封選型。濟(jì)南雙端面泵用機(jī)械密封</p><p> 法蘭的粗糙度以及螺栓信息等來(lái)選擇合適的墊片材質(zhì)和型式。非金屬類法蘭就必須選擇預(yù)緊力要求比較小的墊片，否則很可能會(huì)有在法蘭上緊過(guò)程中，墊片還沒(méi)有壓緊而法蘭已經(jīng)壓碎的情況出現(xiàn)（如圖4）。圖4非金屬法蘭被壓碎對(duì)于不同的法蘭密封面型式，與之相對(duì)應(yīng)的墊片型式也是不一樣的，例如突面法蘭（RF）對(duì)應(yīng)的纏繞墊片型式就是帶內(nèi)外環(huán)型纏繞墊片，榫槽面（TG）法蘭對(duì)應(yīng)的纏繞墊片型式就是基本型纏繞墊片，凹凸面（MFM）法蘭對(duì)應(yīng)的纏繞墊片型式就是只帶內(nèi)環(huán)的纏繞墊片（如圖5）。圖5不同的法蘭密封面型式對(duì)應(yīng)不同型式的纏繞墊片不同的墊片對(duì)于法蘭粗糙度要求也是不一樣的，具體可以參考圖6。圖6不同墊片推薦的法蘭表面粗糙度介質(zhì)墊片應(yīng)在全程工作條件下不受密封介質(zhì)的影響，包括抗高溫氧化性、抗化學(xué)腐蝕性、抗溶劑性、抗?jié)B透性等，顯然墊片材料對(duì)介質(zhì)的耐化學(xué)腐蝕性是選擇墊片的首要條件。對(duì)于非金屬墊片或者復(fù)合墊片中的非金屬材料來(lái)說(shuō)，材料的耐化學(xué)腐蝕性能可以參考?jí)|片廠家提供的非金屬材料抗化學(xué)品性能表。對(duì)于墊片中跟介質(zhì)直接接觸的金屬材料，應(yīng)和法蘭材料一樣或有更高的耐腐蝕性能。壓力墊片必須能夠承受壓力，這種壓力或許是試驗(yàn)壓力，它可能是正常工作壓力的。濟(jì)南雙端面泵用機(jī)械密封</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3193638.html</p></div></div></div></div></div><div id="eoj0luc" class="page-right twoColRt"><div id="8bzwf3w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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