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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="qfpecgb" class="twoCol"><div id="vp2ywai" 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(jī)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(jī)械密封</a>?CDL42-70-2泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="t7kshqe" class="leftbox clearfix"><h1>CDL42-70-2泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="deonyd4" class="proBig"><div id="omlv87r" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990541582031/8933132.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7nrmqkk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990541582031/8933132.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cmhqlkz" 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>CDL42-70-2泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2020-12-21 16:24:24</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="nviutiq" 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="fe4bpju" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kjjtsr3" class="box"><p><p> 水泵機(jī)械密封常見的滲漏部位,滲漏原因和對機(jī)械密封維護(hù)的幾個(gè)誤區(qū)，機(jī)械密封本身是一種要求較高的精密部件，對機(jī)械加工、裝配質(zhì)量都有很高的要求，在使用機(jī)械密封時(shí)，更應(yīng)分析使用機(jī)械密封的各種因素。1、機(jī)械密封概述：本文分析總結(jié)了泵機(jī)械密封常見的滲漏部位、滲漏原因和對機(jī)械密封維護(hù)的幾個(gè)誤區(qū)。機(jī)械密封本身是一種要求較高的精密部件,對機(jī)械加工、裝配質(zhì)量都有很高的要求。在使用機(jī)械密封時(shí),更應(yīng)分析使用機(jī)械密封的各種因素,使機(jī)械密封適用于各種泵的技術(shù)要求和使用介質(zhì)要求且有充分的潤滑條件,這樣才能保證密封長期可靠保持不漏地運(yùn)轉(zhuǎn)。2、機(jī)械密封構(gòu)造及泄漏點(diǎn)機(jī)械密封亦稱端面密封,其有一對垂直于旋轉(zhuǎn)軸線的端面,該端面在流體壓力及補(bǔ)償機(jī)械外彈力的作用下，CDL42-70-2泵用機(jī)械密封,依賴輔助密封的配合與另一端保持貼合,并相對滑動(dòng)，CDL42-70-2泵用機(jī)械密封,從而防止流體泄漏。機(jī)械密封由兩個(gè)部件組成，一為靜環(huán)，另一部件與其相對運(yùn)轉(zhuǎn)，以達(dá)到使密封泄漏程度低的目的。常用機(jī)械密封結(jié)構(gòu)如下圖所示，CDL42-70-2泵用機(jī)械密封。由靜環(huán)1、動(dòng)環(huán)2、彈性元件3、彈簧座4、緊定螺釘5、旋轉(zhuǎn)環(huán)輔助密封圈6和靜止環(huán)輔助密封圈8等元件組成，防轉(zhuǎn)銷7固定在壓蓋9上以防止靜止環(huán)轉(zhuǎn)動(dòng)。常用機(jī)械密封結(jié)構(gòu)圖泵用機(jī)械密封種類繁多，型號各異。漢中襄樊五二五泵用機(jī)械密封選型。CDL42-70-2泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="CDL42-70-2泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990541582031/8933132.png"></div><p> 單端面密封離心泵、雙端面密封離心泵后期的維護(hù)費(fèi)用大概為屏蔽泵的2倍。綜上所述，單端面密封離心泵、雙端面密封離心泵、屏蔽泵在輸送甲醇危險(xiǎn)物料時(shí)，安全性及經(jīng)濟(jì)性比較如下表3-1所示：表3-1：安全性及經(jīng)濟(jì)性比較分析表序號設(shè)備名稱軸封特點(diǎn)泄漏特性安全性經(jīng)濟(jì)性1單端面密封離心泵旋轉(zhuǎn)軸密封/一對摩擦副密封端面機(jī)封泄漏介質(zhì)直接泄漏到環(huán)境中一般設(shè)備投資低/維護(hù)高2雙端面密封離心泵旋轉(zhuǎn)軸密封/兩對摩擦副密封端面內(nèi)機(jī)封泄漏會(huì)先泄漏到外級機(jī)封，只有內(nèi)外兩級機(jī)封都泄漏時(shí)，介質(zhì)才會(huì)泄漏到環(huán)境中。良設(shè)備投資中/維護(hù)高3屏蔽泵無旋轉(zhuǎn)軸密封/無泄漏無泄漏優(yōu)設(shè)備投資高/維護(hù)低在石油、化工裝置對泵的要求，必須滿足對介質(zhì)特性的要求，要充分考慮輸送介質(zhì)的特性，工況環(huán)境的特點(diǎn)，安全環(huán)保的要求及經(jīng)濟(jì)成本進(jìn)行綜合考慮。安全優(yōu)先，經(jīng)濟(jì)性為本。一般的場合，優(yōu)先選用單端面密封，因?yàn)閱味嗣婷芊饨Y(jié)構(gòu)簡單、使用方便、價(jià)格低。但在以下特殊的場合，就要嚴(yán)格按照要求選擇：（1）對輸送易燃、易爆、易揮發(fā)的低溫介質(zhì)（液化石油氣等）、有毒或貴介質(zhì)的泵要求軸封可靠或采用無泄漏泵。應(yīng)優(yōu)先選用無泄漏泵，如屏蔽泵、磁力泵或帶有泄漏液收集和泄漏報(bào)警裝置的雙重機(jī)封密封。因此。煙臺(tái)高溫介質(zhì)泵用機(jī)械密封天水水泵用機(jī)械密封選型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="CDL42-70-2泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990573378906/8594308.png"></div><p> 各種墊片材質(zhì)的壓緊力大小通常在密封墊片生產(chǎn)廠家樣本或產(chǎn)品說明書中給出，也可通過實(shí)驗(yàn)決定。由于裝配時(shí)達(dá)不到墊片所需的壓緊力或由于在常期運(yùn)行中的振動(dòng)使壓緊螺栓松動(dòng)而使壓緊力降低以及由于墊片材質(zhì)的老化變形而喪失原來的彈性都會(huì)使墊片失效而產(chǎn)生泄漏。O型圈密封泵中常用的是橡膠O型圈。由于其形狀十分簡單，因而制造容易，成本低廉，不論O型圈的整體尺寸有多大，其截面尺寸都很小(只有幾毫米)所以重量輕，消耗材料少，使用方法簡單，安裝、拆卸方便，更為突出的優(yōu)點(diǎn)還在于O形圈具有良好的密封能力，使用范圍很寬。靜密封工作壓力可達(dá)100MPa以上，動(dòng)密封也可達(dá)30Mpa。適用溫度為-60～200℃，可滿足多種介質(zhì)的使用要求。因此在泵的設(shè)計(jì)中得到越來越廣的應(yīng)用。O形密封圈安裝在溝槽和被密封面之間，有一定壓縮量，由此產(chǎn)生的反彈力給予被密封的光滑面和溝槽底面以初始的壓縮應(yīng)力。從而起到密封作用。當(dāng)被密封的液體壓力增大時(shí)，O形圈的變形也隨之增大，從而傳遞給密封面的壓力也增大，密封的作用也增大。這就是O形密封圈具有良好密封能力的原因。O形密封圈雖然密封可靠，但如果不注意使用條件，也會(huì)發(fā)生泄漏，通常有以下幾種情況：1、裝O形圈的溝槽尺寸超差。</p><p> 機(jī)械密封是由一對或者數(shù)對動(dòng)環(huán)與靜環(huán)組成的平面摩擦副構(gòu)成的密封裝置。依靠彈性構(gòu)件和密封介質(zhì)的壓力在旋轉(zhuǎn)的動(dòng)環(huán)和靜環(huán)的接觸表面，產(chǎn)生適當(dāng)?shù)膲壕o力，使這兩個(gè)端面緊密貼合，密封端面之間維持一層極薄的液體膜而達(dá)到密封的目的。這層液膜具有流體動(dòng)壓力與靜壓力，起潤滑和平衡壓力的作用。1.當(dāng)旋轉(zhuǎn)軸（或軸套）9旋轉(zhuǎn)時(shí)，通過緊定螺絲10和彈簧2帶動(dòng)動(dòng)環(huán)3旋轉(zhuǎn)。2.防轉(zhuǎn)銷6固定在靜止的壓蓋4上，防止靜環(huán)7轉(zhuǎn)動(dòng)。3.當(dāng)密封端面磨損時(shí)，動(dòng)環(huán)3連同動(dòng)環(huán)密封圈8在彈簧2推動(dòng)下，沿軸向產(chǎn)生微小移動(dòng)，達(dá)到一定的補(bǔ)償能力，所以稱為補(bǔ)償環(huán)。靜環(huán)通常不具有補(bǔ)償能力，稱為非補(bǔ)償環(huán)，釜用機(jī)械密封標(biāo)準(zhǔn)，通過不同的結(jié)構(gòu)設(shè)計(jì)，補(bǔ)償環(huán)可由動(dòng)環(huán)承擔(dān)，也可由靜環(huán)承擔(dān)。由補(bǔ)償環(huán)，彈性原件和副密封等機(jī)構(gòu)組成的組件為補(bǔ)償環(huán)組件機(jī)械密封基本形式：臥式和立式跟機(jī)械密封在所屬設(shè)備的工作位置有關(guān)。例如，釜用機(jī)械密封供應(yīng)商，如果泵是臥式的，則泵軸也是水平放置的，那么就把密封安裝成臥式的，稱為臥式密封。同樣，立式泵用立式密封。在攪拌器和反應(yīng)釜設(shè)備上，更常見的裝置是立式的（軸頂部進(jìn)料）和臥式的（軸側(cè)位進(jìn)料）。這種設(shè)備存在第3種安裝類型，即另一種立式安裝。延安脫硫泵用機(jī)械密封選型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="CDL42-70-2泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990492705078/8878366.png"></div><p> 機(jī)泵裝置中，機(jī)動(dòng)設(shè)備的機(jī)械密封約占整個(gè)動(dòng)密封數(shù)量的80%-85%。而在機(jī)泵故障中，機(jī)械密封的故障大約占整個(gè)維修工作量的一半。可見機(jī)械密封在機(jī)泵維修中所占的位置。由于機(jī)泵所輸送的介質(zhì)千差萬別，工藝條件各不相同，所以了解這些情況對機(jī)封的選擇及維護(hù)很重要。結(jié)合多年來在機(jī)封選擇和維修中的經(jīng)驗(yàn)，介紹幾種特殊工況下機(jī)械密封的工作特點(diǎn)和注意事項(xiàng)。一、高溫下的機(jī)械密封一般情況下，介質(zhì)的溫度超過120℃即認(rèn)為是高溫密封。此時(shí)機(jī)械密封存在的主要問題有：(1)由于摩擦副端面溫度升高，導(dǎo)致密封端面間液膜氣化，摩擦系數(shù)隨之增大，磨損加劇，溫升加大，密封環(huán)產(chǎn)生熱變形或熱裂而失效；(2)機(jī)械密封中的輔助密封圈材料一般為橡膠或聚四氟乙烯，由于長時(shí)間在高溫環(huán)境中，容易老化和分解，造成密封失效；(3)高溫下機(jī)械密封的彈性元件易產(chǎn)生疲勞和蠕變，使密封失效；(4)高溫會(huì)加劇金屬材料的腐蝕，縮短機(jī)封的使用壽命。為保證機(jī)械密封在高溫環(huán)境下正常工作，可以采取如下措施。1．給機(jī)封增加冷卻沖洗裝置。2．選擇耐高溫的材料，根據(jù)不同的工作溫度選用不同的材料。丁腈橡膠溫度上限為80℃，硅橡膠和氟橡膠為200℃，聚四氟乙烯為250℃。另外。綿陽襄樊五二五泵用機(jī)械密封泄露。CDL42-70-2泵用機(jī)械密封</p><p style="text-indent:25px">河北水泵用機(jī)械密封型號。CDL42-70-2泵用機(jī)械密封</p><p> 機(jī)械密封的作用:一、提高機(jī)器效率、降低能耗。1、減少機(jī)器的內(nèi)漏、外漏和穿漏，提高機(jī)器容積效率。例如，大慶煉油廠將焦化5FDJ5×2離心泵的葉輪口環(huán)改為機(jī)械密封，使泵效率提高。2、減少摩擦損失，提高機(jī)器的機(jī)械效率。例如，將雙端面密封改為單端面密封、非平衡型改為平衡型、雙支承減底泵封閉一端(所謂砍頭泵)減少密封都能減少摩擦損失，提高機(jī)械效率。3、改變密封方式，提高機(jī)器或機(jī)組的效率。例如，將屏蔽泵改用機(jī)械密封泵，使電動(dòng)機(jī)效率提高;采用磁力傳動(dòng)泵，提高機(jī)器效率。4、改變輔助系統(tǒng)，減少能耗，提高機(jī)組效率。例如，熱油泵自沖洗改為小葉輪循環(huán)沖洗;雙端面密封改為單端面密封，節(jié)省封油輔助系統(tǒng)的能耗。二、節(jié)約原材料。例如，工藝流體回收，減少或消除動(dòng)力蒸汽和工藝流體的損耗，減少封油損耗等。三、提高機(jī)器可靠性。例如，軸封的漏損和壽命決定軸封和機(jī)器的可靠性。四、安全和環(huán)境保護(hù)。根據(jù)日本某廠調(diào)查報(bào)告，在發(fā)生的786件事故中有32件是泄漏造成的(占42%)。此外工藝流體泄漏還會(huì)造成環(huán)境污染，包括對大氣污染、水污染和車間環(huán)境污染。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，美國挑戰(zhàn)號航天飛機(jī)由于密封事故而墜落。CDL42-70-2泵用機(jī)械密封</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2500202.html</p></div></div></div></div></div><div id="v8sh6h1" class="page-right twoColRt"><div id="dmsakty" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="etxxnxi" 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