南寧神通博格曼機械密封112 伊格爾博格曼機械密封供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 所以也要根據(jù)不同的工作溫度選用不同種類的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，南寧神通博格曼機械密封112，浸樹脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于"><meta name="keywords" content="南寧神通博格曼機械密封112,神通博格曼機械密封"><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" 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伊格爾博格曼機械密封供應(yīng)</h1><div id="d3scqxo" class="proBig"><div id="3gdapl7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063325517578/4117105.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="slnfeg3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063325517578/4117105.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u8d2z2c" 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>南寧神通博格曼機械密封112,神通博格曼機械密封</p><p><span>***更新：</span>2020-08-28 13:14:45</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zo2ikm7" 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="hkhe4iu" class="page-proshow02"><p class="title">詳細說明</p><div id="swyqpbv" class="box"><p><p> 所以也要根據(jù)不同的工作溫度選用不同種類的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，南寧神通博格曼機械密封112，浸樹脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于400℃的工作條件下使用。動環(huán)組件應(yīng)盡可能選用膨脹系數(shù)相近的材料，以防止高溫下動環(huán)和動環(huán)座的連接松動。3、選擇金屬波紋管機械密封。金屬波紋管密封近年來在高溫密封中使用很多，并且取得了很好的效果，南寧神通博格曼機械密封112。在該種機封中，金屬波紋管取代了普通機封中的彈簧，省去了動環(huán)輔助密封圈，不需要克服動環(huán)補償時與轉(zhuǎn)軸的摩擦和磨損，因此在高溫下使用，一般都能取得不錯的效果。二、低溫下的機械密封在煉油化工裝置中，低溫輸送的介質(zhì)一般都具有豁度小、潤滑性差、容易氣化的特點，而且介質(zhì)在氣化時大量吸熱，使周圍溫度急劇下降，造成空氣中水氣的凝結(jié)，導致端面及其周圍結(jié)冰，使端面貼合不嚴引起泄漏。同時，南寧神通博格曼機械密封112，因潤滑性差，端面摩擦產(chǎn)生的熱量較多，若不能及時轉(zhuǎn)移，必然會加劇端面處的氣化，造成惡性循環(huán)，加速密封面的早期失效。另外，低溫密封的輔助密封圈在低溫下發(fā)硬失彈也容易導致泄漏。對低溫密封，除了選擇合適的輔助密封圈材質(zhì)外，還要注意以下幾點：1、改進密封結(jié)構(gòu)及正確選擇摩擦副材料。實踐證明。102神通博格曼機械密封。南寧神通博格曼機械密封112</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧神通博格曼機械密封112,神通博格曼機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063325517578/4117105.png"></div><p> 水泵的工作特點需要機械密封具有較高的精密度和可靠性，其密封性能對機組的高效運行和使用壽命的延長具有至關(guān)重要的作用。本文從機械密封的組成與原理出發(fā)，分析了機械密封發(fā)生滲漏的現(xiàn)象及其原因，并結(jié)合實踐經(jīng)驗，對防止?jié)B漏的發(fā)生提出了有效對策。以期減少人為的設(shè)計缺陷或使用問題，使機械密封性能長期、可靠，保證水泵機組運行的安全性和高效性。一、水泵機械密封漏水的現(xiàn)象及其原因分析水泵機械密封的組成與工作原理水泵在輸送高溫高壓水時常選擇機械密封的方式防止其泄漏，而滲漏造成的機械事故占水泵全部維修量的50%左右，可見，機械密封的可靠性對水泵的高效運行和使用壽命的延長具有至關(guān)重要的作用。機械密封一般由旋動環(huán)、靜止環(huán)、密封圈或密封墊等輔助元件以及彈性補償元件等幾部分組成。其工作原理是將一對垂直于旋轉(zhuǎn)軸線的端面相互貼合且相對轉(zhuǎn)動，并使端面間維持一層極薄的液膜，在輔助密封的配合下，使端面受到介質(zhì)流體壓力與補償機械彈力的作用，保持緊密的貼合度以達到密封的目的。漏水現(xiàn)象及其原因分析設(shè)計環(huán)節(jié)造成的漏水現(xiàn)象合理的設(shè)計是機械密封實現(xiàn)其功能的基礎(chǔ)。泰州104神通博格曼機械密封ZB6神通博格曼機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧神通博格曼機械密封112,神通博格曼機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063336718750/9825980.png"></div><p> 機組正常運行時凝結(jié)水泵處于負壓環(huán)境運行，若凝結(jié)水泵需要隔離檢修或入口濾網(wǎng)需要清理時，一旦凝結(jié)水泵入口門隔離不嚴或操作順序不當則會有造成機組漏真空風險。因此凝結(jié)水泵隔離恢復(fù)時應(yīng)嚴格按照操作順序，每一步操作都要觀察機組運行參數(shù)變化。2001年7月某電廠曾發(fā)生一起因凝泵檢修而導致機組掉真空跳機事件。2001年7月4日某電廠發(fā)生了一起因凝結(jié)水泵檢修而引起機組跳閘和一臺給水泵損壞的事故。當時2號機運行，因發(fā)現(xiàn)凝結(jié)水泵出力不足，負荷帶不起來，于是聯(lián)系檢修。檢修人員辦票清理B凝結(jié)水泵入口濾網(wǎng)。約半小時后，檢修人員將B凝結(jié)水泵入口濾網(wǎng)打開。這時運行人員發(fā)現(xiàn)機組真空急劇下降，A凝結(jié)水泵電流劇烈波動，除氧器水位下降，凝汽器水位上升。運行人員立即啟動備用射水泵以維持真空，并降負荷。約2min后真空降至kPa，但低真空保護沒有動作。此時運行人員意識到可能是凝結(jié)水泵檢修引起的，立即去緊B凝結(jié)水泵入口手動門并終止檢修工作，但效果不明顯，除氧器水位繼續(xù)下降，于是繼續(xù)大幅降負荷。約7min后，A給水泵電流開始波動，A給水泵汽蝕。4min后，停A給水泵，啟動B給水泵，B給水泵仍處于輕微汽蝕狀態(tài)中。此時運行人員意識到了關(guān)鍵所在。</p><p> 機械密封結(jié)構(gòu)圖1.靜環(huán);2.動環(huán);3.壓蓋;4.彈簧;5.傳動座;6.固定銷釘;7,8-O形圈;9.防轉(zhuǎn)銷1、端面密封副(靜、動環(huán))端面密封副的作用是使密封面緊密貼合,防止介質(zhì)泄漏。它要求靜、動環(huán)具有良好的耐磨性,動環(huán)可以軸向靈活地移動,自動補償密封面磨損,使之與靜環(huán)良好地貼合;靜環(huán)具有浮動性,起緩沖作用。2、彈性元件(彈簧)它主要起預(yù)緊、補償和緩沖的作用,要求始終保持足夠的彈性來克服輔助密封和傳動件的摩擦和動環(huán)等的慣性,保證端面密封副良好的貼合和動環(huán)的追隨性。3、輔助密封(O形圈)它主要起靜環(huán)和動環(huán)的密封作用,同時也起到浮動和緩沖作用。要求靜環(huán)的密封元件能保證靜環(huán)與壓蓋之間的密封性和靜環(huán)有一定的浮動性,動環(huán)的密封元件能保證動環(huán)與軸或軸套之間的密封性和動環(huán)的浮動性。4、傳動件(傳動銷)它起到將軸的轉(zhuǎn)矩傳給動環(huán)的作用。5、緊固件(緊固螺釘、壓蓋、軸套)它起到靜、動環(huán)的定位、緊固的作用。要求軸向定位正確,保證一定的彈簧壓縮量,使密封副密封面處于正確的位置并保持良好的貼合。6、防轉(zhuǎn)件(防轉(zhuǎn)銷)它起到防止靜環(huán)轉(zhuǎn)動和脫出的作用。要求有足夠的長度,防止靜環(huán)在負壓下脫出,并要求正確定位,防止靜環(huán)隨動環(huán)旋轉(zhuǎn)。南昌神通博格曼機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧神通博格曼機械密封112,神通博格曼機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063367705078/3531735.png"></div><p> 七、.小型潛污泵機封滲漏引起的磨軸現(xiàn)象(1)715kW以下小自吸式離心泵機封失效常常產(chǎn)生磨軸,磨軸位置主要有以下幾個:動環(huán)輔助密封圈處、靜環(huán)位置、少數(shù)彈簧有磨軸現(xiàn)象。(2)磨軸的主要原因:①BIA型雙端面機械密封,反壓狀態(tài)是不良的工作狀態(tài),介質(zhì)中的顆粒、自吸式磁力泵雜質(zhì)很容易進入密封面,使密封失效。②磨軸的主要件為橡膠波紋管,且是由于上端密封面處于不良潤滑狀態(tài),動靜環(huán)之間的摩擦力矩大于橡膠波紋管與軸之間的傳遞轉(zhuǎn)矩,發(fā)生相對轉(zhuǎn)動。③動、靜環(huán)輔助密封由于受到污水中的弱酸、弱堿的腐蝕,橡膠件已無彈性。有的已腐爛,失去了應(yīng)有的功能,產(chǎn)生了磨軸的現(xiàn)象。(3)為解決以上問題,現(xiàn)采取如下措施:①保證下端蓋、油室的清潔度,對不清潔的潤滑油禁止裝配。不銹鋼齒輪油泵②機封油室腔內(nèi)油面線應(yīng)高于動靜環(huán)密封面。③根據(jù)不同的使用介質(zhì)選用不同結(jié)構(gòu)的機封。對高揚程泵應(yīng)重新設(shè)計機封構(gòu),對腐蝕性介質(zhì)橡膠應(yīng)選用耐弱酸、弱堿的氟橡膠。機封靜環(huán)應(yīng)加防轉(zhuǎn)銷。韶關(guān)神通博格曼機械密封。煙臺104神通博格曼機械密封</p><p style="text-indent:25px">神通博格曼機械密封114。南寧神通博格曼機械密封112</p><p> 套)上傳動的機械密封時,應(yīng)選用有刃口的凹端緊定螺釘,牢牢地將旋轉(zhuǎn)部件緊固在軸上。（11）柔性石墨作輔助密封,應(yīng)在干燥狀態(tài),通過軸向螺栓順序收緊(不可圓周方向交叉收緊)使柔性石墨充分二次變形。（12）安裝帶柔性石墨密封圈的靜止環(huán)時,應(yīng)通過充分受壓,應(yīng)保證工作面與軸線的垂直度不大于。3、啟動前必須要檢查：（1）所有密封系統(tǒng)管件是否已連接好，系統(tǒng)是否處于工作狀態(tài)。（2）襯氟離心泵及密封腔是否充滿了液體。（3）密封腔是否已放盡了空氣。（4）盤車檢查應(yīng)手感有阻力，但不應(yīng)有沉重或卡滯現(xiàn)象。4、運行時注意觀察：（1）觀察密封系統(tǒng)的運行情況。（2）觀察密封的泄漏情況。（3）運行觀察時必須注意安全防護，避免因突發(fā)事故引起對人員的傷害。南寧神通博格曼機械密封112</p><p style="text-indent:25px">伊格爾博格曼機械密封（張家港）有限公司創(chuàng)立于2018-01-09，是一家生產(chǎn)型公司。張家港博格曼致力于為客戶提供質(zhì)量的機械密封，泵用機械密封，釜用機械密封，攪拌器機械密封，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備質(zhì)量品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1071350.html</p></div></div></div></div></div><div id="r23qmol" class="page-right twoColRt"><div id="ihebqwt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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