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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bi9giv2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637367962072246094/24083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3suwtfh" 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WQ5520-448-200凱泉泵用機(jī)械密封,凱泉泵用機(jī)械密封</p><p><span>***更新：</span>2021-01-17 12:16:46</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="oinp8vk" 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="a34zbik" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jtdkxeg" class="box"><p><p> 考慮機(jī)械密封的制造工藝、密封腔的相關(guān)尺寸、設(shè)備的服務(wù)時(shí)間、生產(chǎn)設(shè)備的職工水平等。（2）對(duì)介質(zhì)的壓力進(jìn)行估算。離心泵的密封腔壓力通常情況下要低于泵的出口壓力。（3）熟悉密封介質(zhì)。安裝機(jī)械密封之前要熟悉密封介質(zhì)的狀態(tài)，所含顆粒情況;熟悉介質(zhì)的相關(guān)物理特性，以便為后期的冷卻、沖洗、潤(rùn)滑等做準(zhǔn)備。安裝機(jī)械密封的技術(shù)要求（1）軸或軸套徑向跳動(dòng)，以及密封腔體端面對(duì)軸表面的跳動(dòng)公差均應(yīng)與相關(guān)規(guī)范規(guī)定相符;（2）控制傳動(dòng)軸的軸向竄動(dòng)量應(yīng)控制在（3）要通過(guò)采取阻封、沖洗、冷卻、過(guò)濾等措施，對(duì)輸送介質(zhì)的溫度進(jìn)行有效控制;（4）安裝彈簧傳動(dòng)的機(jī)械密封時(shí)，應(yīng)保持軸旋轉(zhuǎn)方向以使彈簧越來(lái)越緊。確保質(zhì)量的機(jī)械密封安裝方法（1）做好安裝前檢驗(yàn)工作①密封腔體。密封腔體的規(guī)格、直徑、深度必須符合相關(guān)尺寸要求;軸與密封腔體的同軸度、垂直度符合要求，垂直度一般小于～，同軸度通常應(yīng)保持在～，青島WQ5520-448-200凱泉泵用機(jī)械密封。②泵軸的軸向竄動(dòng)量，青島WQ5520-448-200凱泉泵用機(jī)械密封。軸或軸套的軸向竄動(dòng)量應(yīng)控制在。③動(dòng)靜環(huán)摩擦端面的平面度是保證密封的關(guān)鍵，可用簡(jiǎn)易的卡尺法進(jìn)行檢查，即用卡尺貼于端面并置于背光下，青島WQ5520-448-200凱泉泵用機(jī)械密封，通過(guò)觀察透光間隙是否均勻判斷表面平度。④軸或軸套的表面粗糙度應(yīng)在μm以下。MD155-30凱泉泵用機(jī)械密封。青島WQ5520-448-200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WQ5520-448-200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/637367962072246094/24083.png"></div><p> 以及正確選擇潤(rùn)滑、沖洗、保溫、冷卻等機(jī)械密封循環(huán)保護(hù)系統(tǒng)等。4.根據(jù)安裝密封的有效空間，確定采用多彈簧或單彈簧或波形彈簧，內(nèi)裝式或外裝式。二、機(jī)械密封的安裝與使用要求1.機(jī)械密封對(duì)機(jī)器精度的要求(以泵用機(jī)械密封為例)(1)安裝機(jī)械密封部位的軸(或軸套)的徑向跳動(dòng)公差不超過(guò)～。(2)轉(zhuǎn)子軸向竄動(dòng)不超過(guò)。(3)密封腔體與密封端蓋結(jié)合的定位端面對(duì)軸(或軸套)表面的跳動(dòng)公差不超過(guò)～。2.密封件的確認(rèn)(1)確認(rèn)所安裝的密封是否與要求的型號(hào)一致。(2)安裝前要仔細(xì)地與總裝圖對(duì)照，零件數(shù)量是否齊全。(3)采用并圈彈簧傳動(dòng)的機(jī)械密封，其彈簧有左、右旋之分，須按轉(zhuǎn)軸的旋向來(lái)選擇。3.安裝安裝方法隨機(jī)械密封型式、機(jī)器的種類不同而有所不同，但其安裝要領(lǐng)幾乎都相同，安裝步驟和注意事項(xiàng)如下：(1)安裝尺寸的確定安裝時(shí)，應(yīng)按產(chǎn)品的使用說(shuō)明書(shū)或樣本，保證機(jī)械密封的安裝尺寸。(2)裝入前，軸(軸套)、壓蓋應(yīng)無(wú)毛刺，軸承狀況良好;密封件、軸、密封腔、壓蓋都應(yīng)該清洗干凈。為減少摩擦阻力，軸上安裝機(jī)械密封的部位要薄薄地涂上一層油，以進(jìn)行潤(rùn)滑，考慮到橡膠O形圈的相溶性，若不宜用油，可涂肥皂水。浮裝式靜環(huán)不帶防轉(zhuǎn)銷的結(jié)構(gòu)，不宜涂油，應(yīng)干式裝入壓蓋。。太原凱泉泵用機(jī)械密封3N6-11-250WQC242-1.5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WQ5520-448-200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/637367961593066406/3829201.png"></div><p> 一、水泵機(jī)械密封基礎(chǔ)知識(shí)1.離心泵機(jī)械密封的基礎(chǔ)概念機(jī)械密封是指由至少一對(duì)垂直旋轉(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)成的防止流體泄露的裝置。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：彈簧座及鍵或固定螺釘。二、機(jī)封工作應(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)，其誤差不大于。檢查壓蓋與軸或軸套外徑的配合間隙，四周要均勻，用塞尺檢查各點(diǎn)允差不大于。</p><p> 隨著現(xiàn)代石油、化工、冶金、原子能、電子、宇航技術(shù)的發(fā)展，對(duì)不同用途的高壓、超高壓、高真空、超高真空，甚至極高真空設(shè)備的密封要求越來(lái)越高。其中有的結(jié)構(gòu)復(fù)雜，內(nèi)部有很多管道和傳動(dòng)機(jī)構(gòu)；有的體積很大，達(dá)幾百立方米，甚至數(shù)千立方米。在這些設(shè)備中管道的總長(zhǎng)度可達(dá)幾公里，焊縫、密封連接的總長(zhǎng)度可達(dá)數(shù)十公里，檢漏工作量十分巨大。由于實(shí)際上很難制造出沒(méi)有泄漏的裝置，且從某種意義上真正實(shí)現(xiàn)無(wú)泄漏也是不可能的，因此，一般情況下，對(duì)制造出的設(shè)備均應(yīng)進(jìn)行檢漏試驗(yàn)。而無(wú)論采用哪種檢漏方法，總要花費(fèi)一定的時(shí)間、人力、物力和財(cái)力，故進(jìn)行檢漏試驗(yàn)時(shí)，一定要正確理解和使用檢漏方法，盡量減少“漏診和誤診”，并盡可能從工程或成套裝置的準(zhǔn)備、設(shè)計(jì)、加工、安裝、試運(yùn)轉(zhuǎn)、正式運(yùn)轉(zhuǎn)等各階段對(duì)密封問(wèn)題作周密的考慮，采取各種有效措施，減少泄漏。以下對(duì)裝置在設(shè)計(jì)、制造、安裝調(diào)試以及運(yùn)行過(guò)程中的泄漏預(yù)測(cè)與防止以及檢漏程序作一說(shuō)明。項(xiàng)目準(zhǔn)備階段一、項(xiàng)目準(zhǔn)備階段需考慮的主要問(wèn)題在裝置制造、購(gòu)買、檢查階段，必須充分重視密封問(wèn)題，特別是項(xiàng)目準(zhǔn)備階段，即在考慮制作和購(gòu)買什么樣裝置才能符合使用要求時(shí)，更應(yīng)加倍重視。ZQ2850-4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WQ5520-448-200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/637367961722060547/2690088.png"></div><p> 機(jī)械密封件泄漏所發(fā)生的部位是相當(dāng)廣的，幾乎涉及所有的流體輸送與儲(chǔ)存的物體上。泄漏的形式及種類也是多種多樣的。首先介紹泄漏形式的分類方式：1.按泄漏的機(jī)理分類(1)界面泄漏：在密封件(墊片、填料)表面和與其接觸件的表面之間產(chǎn)生的一種泄漏。如法蘭與墊片之間、填料與軸或填料箱之間的泄漏。(2)滲透泄漏：介質(zhì)通過(guò)密封件(墊片、填料)本體毛細(xì)管滲透出來(lái)，這種泄漏發(fā)生在致密性較差的植物纖維、動(dòng)物纖維和化學(xué)纖維等材料制成的密封件上。(3)破壞性泄漏：密封件由于急劇磨損、變形、變質(zhì)、失效等因素，使泄漏間隙增大而造成的一種危險(xiǎn)陛泄漏。2.按泄漏量分類液體介質(zhì)泄漏分為五級(jí)(1)無(wú)泄漏：檢測(cè)不出泄漏為準(zhǔn)。(2)滲漏：一種輕微泄漏。表面有明顯的介質(zhì)滲漏痕跡，像滲出的汗水一樣。擦掉痕跡，幾分鐘后又出現(xiàn)滲漏痕跡。(3)滴漏：介質(zhì)泄漏成水球狀，緩慢地流下或滴下，擦掉痕跡，5min內(nèi)再現(xiàn)水球狀滲漏者為滴漏。(4)重漏：介質(zhì)泄漏較重，連續(xù)成水珠狀流下或滴下，但未達(dá)到流淌程度。(5)流淌：介質(zhì)泄漏嚴(yán)重，介質(zhì)噴涌不斷，成線狀流淌。氣態(tài)介質(zhì)泄漏分為四級(jí)(1)無(wú)泄漏：用小紙條或纖維檢查為靜止?fàn)顟B(tài)，用肥皂水檢查無(wú)氣泡者。(2)滲漏：用小紙條檢查微微飄動(dòng)。KQDP100-64凱泉泵用機(jī)械密封。太原凱泉泵用機(jī)械密封3N6-11-2</p><p style="text-indent:25px">DG46-30凱泉泵用機(jī)械密封。青島WQ5520-448-200凱泉泵用機(jī)械密封</p><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。青島WQ5520-448-200凱泉泵用機(jī)械密封</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2888354.html</p></div></div></div></div></div><div id="vkxuw3i" class="page-right twoColRt"><div id="f3xt8ph" class="box01 margin10 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