青島KQDP25-2S凱泉泵用機(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=" 機(jī)械密封件屬于精密、結(jié)構(gòu)較為復(fù)雜的機(jī)械基礎(chǔ)元件之一，是各種泵類、反應(yīng)合成釜、透平壓縮機(jī)、潛水電機(jī)等設(shè)備的關(guān)鍵部件。其密封性能和使用壽命取決于許多因素，如選型、機(jī)器的精度、正確的安裝使用等。機(jī)械"><meta name="keywords" content="青島KQDP25-2S凱泉泵用機(jī)械密封,凱泉泵用機(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 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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>青島KQDP25-2S凱泉泵用機(jī)械密封,凱泉泵用機(jī)械密封</p><p><span>***更新：</span>2021-01-06 09:14:39</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="o24y9h3" 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="b2b389k" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="haw8sy2" class="box"><p><p> 機(jī)械密封件屬于精密、結(jié)構(gòu)較為復(fù)雜的機(jī)械基礎(chǔ)元件之一，是各種泵類、反應(yīng)合成釜、透平壓縮機(jī)、潛水電機(jī)等設(shè)備的關(guān)鍵部件。其密封性能和使用壽命取決于許多因素，如選型、機(jī)器的精度、正確的安裝使用等。機(jī)械密封件基本知識(shí)1、機(jī)械密封的基本概念：機(jī)械密封是指由至少一對(duì)垂直于旋轉(zhuǎn)軸線的端面在流體壓力和補(bǔ)償機(jī)構(gòu)彈力（或磁力）的作用下以及輔助密封的配合下保持貼合并相對(duì)滑動(dòng)而構(gòu)成的防止流體泄漏的裝置，青島KQDP25-2S凱泉泵用機(jī)械密封。補(bǔ)償環(huán)的輔助密封為金屬波紋管的稱為波紋管機(jī)械密封。2、機(jī)械密封的組成：主要有以下四類部件。a.主要密封件：動(dòng)環(huán)和靜環(huán)。b.輔助密封件：密封圈。c.壓緊件：彈簧、推環(huán)。d.傳動(dòng)件：彈箕座及鍵或固定螺釘應(yīng)注意問(wèn)題1、安裝時(shí)注意事項(xiàng)a、要十分注意避免安裝中所產(chǎn)生的安裝偏差（1）上緊壓蓋應(yīng)在聯(lián)軸器找正后進(jìn)行，螺栓應(yīng)均勻上支，防止壓蓋端面偏斜，用塞尺檢查各點(diǎn)，青島KQDP25-2S凱泉泵用機(jī)械密封，其誤差不大于。（2）檢查壓蓋與軸或軸套外徑的配合間隙（即同心度），四周要均勻，用塞尺檢查各點(diǎn)允差不大于。b、彈簧壓縮量要按規(guī)定進(jìn)行，青島KQDP25-2S凱泉泵用機(jī)械密封，不允許有過(guò)大或過(guò)小現(xiàn)象，要求誤差。過(guò)大會(huì)增加端面比壓，另速端面磨損。過(guò)小會(huì)造成比壓不足而不能起到密封作用。c、動(dòng)環(huán)安裝后髯保證能在軸上靈活移動(dòng)。MD100-50凱泉泵用機(jī)械密封。青島KQDP25-2S凱泉泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島KQDP25-2S凱泉泵用機(jī)械密封,凱泉泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637367962022236328/4342150.png"></div><p> 場(chǎng)地條件、經(jīng)濟(jì)性、裝置的性能、安全性以及環(huán)境問(wèn)題都是預(yù)備階段應(yīng)考慮的事項(xiàng)。實(shí)際上，在該階段，對(duì)可能引起泄漏的主要因素以及發(fā)生泄漏時(shí)應(yīng)采取什么樣的措施等問(wèn)題均應(yīng)作周密的考慮，主要為：1、了解裝置的工藝原理和方法，即加工制造的裝置安裝在工藝流程的哪一部分，起什么作用，如何使用等；2、了解設(shè)備、裝置的工況條件，包括使用的溫度、壓力、介質(zhì)特性以及可能承受的沖擊、振動(dòng)和工藝狀況的波動(dòng)等；3、確定允許的泄漏率，即規(guī)定指標(biāo)泄漏率，并明確出現(xiàn)泄漏時(shí)如何檢測(cè)，如何維修；4、如何保證裝置的耐久性，即保證裝置在正常運(yùn)行條件下泄漏率不再增加；制定在使用過(guò)程中出現(xiàn)異常情況時(shí)應(yīng)采取的措施；5、對(duì)裝置的危險(xiǎn)性、可能出現(xiàn)的突發(fā)事故進(jìn)行分析，預(yù)測(cè)裝置在操作失誤時(shí)能否經(jīng)受突發(fā)事故，以及發(fā)生突發(fā)事故時(shí)的危險(xiǎn)程度和影響范圍；6、制定明確有效的各項(xiàng)標(biāo)準(zhǔn)以及相應(yīng)的措施，判斷所需的經(jīng)費(fèi)和可能取得的效果。二、指標(biāo)泄漏率可見(jiàn)不論什么情況，都很難籠統(tǒng)地規(guī)定允許泄漏率。即使是裝置相同，由于設(shè)計(jì)、加工制造和使用工況等千差萬(wàn)別，其中一個(gè)條件變化，允許泄漏率也要隨之變化。如果不考慮成本，對(duì)允許泄漏率要求越嚴(yán)，越有利于安全。如表7-1所示。青島KQDP25-2S凱泉泵用機(jī)械密封DG12-25凱泉泵用機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島KQDP25-2S凱泉泵用機(jī)械密封,凱泉泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637367961630986328/9802130.png"></div><p> ⑤各密封部件的完好與清潔狀況。應(yīng)仔細(xì)檢查各密封件的完好和清潔狀況，保證無(wú)銳邊毛刺、劃痕、裂紋等缺陷。（2）正確合理的安裝順序①對(duì)機(jī)械密封的靜止部件進(jìn)行安裝：首先，將防轉(zhuǎn)銷裝入密封端蓋相應(yīng)的孔內(nèi)位置;其次，根據(jù)順序在靜環(huán)上裝入靜環(huán)密封圈，然后在密封端蓋內(nèi)裝入靜環(huán)，在組裝過(guò)程中避免防轉(zhuǎn)銷進(jìn)入靜環(huán)凹槽內(nèi)。在安裝過(guò)程中，避免靜環(huán)與軸之間發(fā)生碰撞。對(duì)于螺栓要分幾次均勻擰緊。②對(duì)機(jī)械密封旋轉(zhuǎn)部件進(jìn)行組裝。在軸上按照先后順序?qū)C(jī)械密封的旋轉(zhuǎn)部件進(jìn)行逐個(gè)組裝。對(duì)于軸套把機(jī)械密封的旋轉(zhuǎn)部件按照順序在外面組裝到軸套上，然后將機(jī)械密封旋轉(zhuǎn)部件的軸套安裝在軸上。③在密封體上安裝端蓋，并用螺釘固定。④盤動(dòng)試車是否轉(zhuǎn)動(dòng)輕松。機(jī)械密封的意義:一、密封技術(shù)雖然不是**性技術(shù)，但卻是決定性技術(shù)。例如，美國(guó)挑戰(zhàn)號(hào)航天飛機(jī)由于密封事故而墜落;核電站循環(huán)泵為了安全可靠，由有軸封泵改成無(wú)軸封泵。改進(jìn)機(jī)械密封后因工作可靠，又由無(wú)軸封泵改回成有軸封泵，從而提高了電動(dòng)機(jī)效率。這兩件事情充分說(shuō)明機(jī)械密封雖然不是**性技術(shù)，但卻是決定性技術(shù)。二、密封件雖然不大，只是個(gè)零部件。</p><p> 用肥皂水檢查有氣泡，用濕的石蕊試紙檢驗(yàn)有變色痕跡，有色氣態(tài)介質(zhì)可見(jiàn)淡色煙氣。(3)泄漏：用小紙條檢查時(shí)飛舞，用肥皂水檢查氣泡成串，用濕的石蕊試紙測(cè)試馬上變色，有色氣體明顯可見(jiàn)者。(4)重漏：泄漏氣體產(chǎn)生噪聲，可聽(tīng)見(jiàn)。3.按泄漏的時(shí)間分類(1)經(jīng)常性泄漏：從安裝運(yùn)行或使用開(kāi)始就發(fā)生的一種泄漏。主要是施工質(zhì)量或是安裝和維修質(zhì)量不佳等原因造成。(2)間歇性泄漏：運(yùn)轉(zhuǎn)或使用一段時(shí)間后才發(fā)生的泄漏，時(shí)漏時(shí)停。這種泄漏是由于操作不穩(wěn)，介質(zhì)本身的變化，地下水位的高低，外界氣溫的變化等因素所致。(3)突發(fā)性泄漏：突然產(chǎn)生的泄漏。這種泄漏是由于誤操作、超壓超溫所致，也與疲勞破損、腐蝕和沖蝕等因素有關(guān)。這是一種危害性很大的泄漏。4.按泄漏的密封部位分類(1)靜密封泄漏：無(wú)相對(duì)運(yùn)動(dòng)密封副間的一種泄漏。如法蘭、螺紋、箱體、卷口等結(jié)合面的泄漏。相對(duì)而言，這種泄漏比較好治理。(2)動(dòng)密封泄漏：有相對(duì)運(yùn)動(dòng)密封副間的一種泄漏。如旋轉(zhuǎn)軸與軸座間、往復(fù)桿與填料間、動(dòng)環(huán)與靜環(huán)間等動(dòng)密封的泄漏。這種泄漏較難治理。(3)關(guān)閉件泄漏：關(guān)閉件(閘板、閥瓣、球體、旋塞、節(jié)流錐、滑塊、柱塞等)與關(guān)閉座(閥座、旋塞體等)間的一種泄漏。凱泉泵用機(jī)械密封150N110-75。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島KQDP25-2S凱泉泵用機(jī)械密封,凱泉泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637367961667001953/5345434.png"></div><p> 2）橡膠O形墊圈：斷面形狀是正圓，有一定的自緊作用，密封效果比平墊圈好，壓緊力更小。（3）塑料平墊圈：塑料的特點(diǎn)是耐腐蝕性好,大部分塑料耐溫性能不好。聚四氟乙烯為塑料之冠，不但耐腐蝕性能優(yōu)異，而且耐溫范圍比較寬闊，可在-180℃～+200℃之內(nèi)長(zhǎng)期使用。（4）聚四氟乙烯包墊圈：為了充分發(fā)揮聚四氟乙烯的優(yōu)點(diǎn)，同時(shí)彌補(bǔ)它彈性較差的缺點(diǎn)，做成聚四氟乙烯包裹橡膠或石棉橡膠的墊圈。這樣，既同聚四氟乙烯平墊圈一樣耐腐蝕，又有良好的彈性，增強(qiáng)密封效果，減小壓緊力。其斷面形狀如圖4-20所示。（5）石棉橡膠墊圈：由石棉橡膠板剪成。它的組分是60～80%的石棉和10～20%的橡膠，以及填充劑、硫化劑等。它有很好的耐熱性、耐冷性、化學(xué)穩(wěn)定性，而且貨源豐富，價(jià)格便宜。使用時(shí)，壓緊力不必很大。由于它能粘附金屬，所以表面涂一層石墨粉，以免拆卸時(shí)費(fèi)勁。石棉橡膠板有四種顏色：灰色，用于低壓(牌號(hào)XB-200，耐壓≤16公斤/平方厘米，耐溫200℃)；紅色，用于中壓(牌號(hào)XB-350，耐壓可達(dá)40公斤/平方厘米，耐溫350℃)；紫紅色，用于高壓(牌號(hào)XB-450，耐壓100公斤/平方厘米耐溫450℃)；綠色，用于油類，耐壓性能也很好。（6）金屬平熱圈：鉛，耐溫100℃；鋁430℃；銅315℃。凱泉泵用機(jī)械密封KQH40-125A。石家莊凱泉泵用機(jī)械密封</p><p style="text-indent:25px">ZQ3650C-6凱泉泵用機(jī)械密封。青島KQDP25-2S凱泉泵用機(jī)械密封</p><p> 腐蝕失效機(jī)械密封因腐蝕引起的失效為數(shù)不少，常見(jiàn)的腐蝕類型有如下幾種。1.表面腐蝕由于腐蝕介質(zhì)的侵蝕作用，機(jī)械密封件會(huì)發(fā)生表面腐蝕，嚴(yán)重時(shí)也可發(fā)生腐蝕穿孔，彈簧件更為明顯，采用不銹鋼材料，可減輕表面腐蝕。2.點(diǎn)腐蝕彈簧套常出現(xiàn)大面積點(diǎn)蝕或區(qū)域性點(diǎn)蝕，有的導(dǎo)致穿孔，此類局部腐蝕對(duì)密封使用尚不會(huì)造成很嚴(yán)重的后果，不過(guò)大修時(shí)也應(yīng)予更換。3.晶間腐蝕碳化鎢環(huán)不銹鋼環(huán)座以銅焊連接，使用中不銹鋼座易發(fā)生晶間腐蝕，為克服敏化的影響，不銹鋼應(yīng)進(jìn)行固溶處理。4.應(yīng)力腐蝕破裂金屬焊接波紋管、彈簧等在應(yīng)力與介質(zhì)腐蝕的共同作用下，往往會(huì)發(fā)生斷裂，由于彈簧的突然斷裂而使密封失效，一般采用加大彈簧絲徑加以解決。5.縫隙腐蝕動(dòng)環(huán)的內(nèi)孔與軸套表面之間、螺釘與螺孔之間，O形環(huán)與軸套之間，由于間隙內(nèi)外介質(zhì)濃度之差而導(dǎo)致縫隙腐蝕，此外陶瓷鑲環(huán)與金屬環(huán)座間也會(huì)發(fā)生縫隙腐蝕，一般在軸套表面噴涂陶瓷，鑲環(huán)處表面涂以黏結(jié)劑以減輕縫隙腐蝕。6.電化學(xué)腐蝕異種金屬在介質(zhì)中往往引起電化學(xué)腐蝕，它使鑲環(huán)松動(dòng)，影響密封，一般亦采取在鑲接處涂黏結(jié)劑的辦法予以克服。熱損失效1.熱裂如密封面處于干摩擦、冷卻突然中斷、雜質(zhì)進(jìn)入密封面、抽空等。青島KQDP25-2S凱泉泵用機(jī)械密封</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2728681.html</p></div></div></div></div></div><div id="22b5tfo" class="page-right twoColRt"><div id="xqh8qwn" class="box01 margin10 clearfix"><h3><a 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