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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="hyf3wpq" class="twoCol"><div id="yvx988l" 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>?太原雙輪泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="9wuoari" class="leftbox clearfix"><h1>太原雙輪泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="32qxzbx" class="proBig"><div id="aipok7r" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990642626953/3909698.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="il8jnl3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990642626953/3909698.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zyqnevu" 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>太原雙輪泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2020-11-22 01:17:00</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="gpwhjfm" 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="8yub2ov" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="v2uk2wd" class="box"><p><p> 如油渣泵、回?zé)捰捅?、常減壓塔底泵等常見的失效現(xiàn)象。在密封面處由于干摩擦、冷卻水突然中斷，雜質(zhì)進(jìn)入密封面、抽空等情況下，都會(huì)導(dǎo)致環(huán)面出現(xiàn)徑向裂紋；b）石墨炭化是使用碳-石墨環(huán)時(shí)密封失效的主要原因之一。由于在使用中，如果石墨環(huán)一旦超過許用溫度（一般在-105～250℃）時(shí)，其表面會(huì)析出樹脂，摩擦面附近樹脂會(huì)發(fā)生炭化，當(dāng)有粘結(jié)劑時(shí)，會(huì)發(fā)泡軟化，太原雙輪泵用機(jī)械密封，使密封面泄漏增加，密封失效；c）輔助密封件（如氟橡膠、乙丙橡膠、全橡膠）在超過許用溫度后，將會(huì)迅速老化、龜裂、變硬失彈?，F(xiàn)在所使用的柔性石墨耐高溫、耐腐蝕性較好，但其回彈性差。而且易脆裂，安裝時(shí)容易損壞。6.由于密封端面的磨損而造成的密封失效a）摩擦副所用的材料耐磨性差、摩擦系數(shù)大、端面比壓（包括彈簧比壓）過大等，太原雙輪泵用機(jī)械密封,都會(huì)縮短機(jī)械密封的使用壽命。對(duì)常用的材料，按耐磨性排列的次序?yàn)椋禾蓟?碳石墨、硬質(zhì)合金-碳石墨、陶瓷-碳石墨、噴涂陶瓷--碳石墨、氮化硅陶瓷--碳石墨，太原雙輪泵用機(jī)械密封、高速鋼--碳石墨、堆焊硬質(zhì)合金--碳石墨。b）對(duì)于含有固體顆粒介質(zhì)，密封面進(jìn)入固體顆粒是導(dǎo)致使密封失效的主要原因。固體顆粒進(jìn)入摩擦副端面起研磨劑作用，使密封發(fā)生劇烈磨損而失效。密封面合理的間隙。北京脫硫泵用機(jī)械密封型號(hào)。太原雙輪泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原雙輪泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990642626953/3909698.png"></div><p> 法蘭的粗糙度以及螺栓信息等來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)有在法蘭上緊過程中，墊片還沒有壓緊而法蘭已經(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說，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。營(yíng)口高溫泵用機(jī)械密封吉林襄樊五二五泵用機(jī)械密封型號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原雙輪泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990586083984/8203619.png"></div><p> 為了使機(jī)械密封做到密封性能可靠，使用壽命長(zhǎng)，對(duì)其零件的尺寸、配合、形位公差等均有相應(yīng)的要求。關(guān)鍵尺寸一定要嚴(yán)格按公差要求加工，非關(guān)鍵尺寸在不影響密封性能和安裝尺寸的前提下，可適當(dāng)降低要求，這對(duì)于降低成本、普及推廣機(jī)械密封技術(shù)均有好處。根據(jù)國(guó)內(nèi)技術(shù)標(biāo)準(zhǔn)規(guī)定的機(jī)械密封技術(shù)條件及制造水平，參考國(guó)外同類產(chǎn)品的加工尺寸及精度要求，對(duì)常用機(jī)械密封零件的公差配合及技術(shù)要求介紹如下。一、機(jī)械密封零件的公差與配合關(guān)于機(jī)械密封零件的公差與配合，以內(nèi)裝式泵用機(jī)械密封零件為例作介紹，其他結(jié)構(gòu)類型機(jī)械密封的主要零件配合及公差均可參考，并根據(jù)情況做適當(dāng)調(diào)整，機(jī)械密封零件的公差與配合如圖9-1所示。①安裝機(jī)械密封軸徑公差；②彈簧座內(nèi)徑與軸公差；③推環(huán)內(nèi)徑與軸的配合公差；④推環(huán)接觸密封圈處端面的內(nèi)徑偏差；⑤推環(huán)接觸密封圈處端面的外徑偏差；⑥傳動(dòng)套內(nèi)徑公差；⑦動(dòng)環(huán)安裝密封圈處內(nèi)徑公差；⑧動(dòng)環(huán)內(nèi)徑與軸的配合公差；⑨傳動(dòng)套傳動(dòng)的動(dòng)環(huán)外徑公差；⑩撐環(huán)內(nèi)徑公差；?撐環(huán)外徑公差；?鑲環(huán)結(jié)構(gòu)配合公差（此公差*供參考，制造時(shí)應(yīng)根據(jù)實(shí)際情況核算確定公差尺寸）；?靜環(huán)外徑與壓蓋（或殼體）的配合公差；?靜環(huán)內(nèi)徑偏差；?靜環(huán)尾部與靜環(huán)座。</p><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～。(2)轉(zhuǎn)子軸向竄動(dòng)不超過。(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～。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)品的使用說明書或樣本，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。。貴州化工泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原雙輪泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png"></div><p> 而用于高速泵的機(jī)械密封尺寸一般都在2in左右.高速泵用的機(jī)械密封以美國(guó)約翰克蘭公司(JohnCranePackingCompany)的9AB型密封**為典型[圖10-17(a),(b)]，這種密封常用在美國(guó)Sundstrand公司高速泵的齒輪箱和泵體的密封上.為了節(jié)省空間并獲得較高的重量與功率比，無論泵的結(jié)構(gòu)和機(jī)械密封結(jié)構(gòu)都很緊湊，一般石油化工公司都引進(jìn)這種高速泵‘，目前揚(yáng)子石油化工公司有關(guān)裝置使用51臺(tái)(見表3-41)，中國(guó)石油化工總公司系統(tǒng)使用近200臺(tái)。圖中60C用于齒輪箱密封，60A或60A+60B用于泵葉輪端密封.低溫機(jī)械密封一般低溫機(jī)械密封是指工作溫度在0~-50℃的密封，API-610的低溫含義指溫度低于-29℃，國(guó)內(nèi)通常以密封腔溫度低于-20℃為低溫.實(shí)際上，低溫范圍較寬，可以劃分為:低溫:-20~-50℃中低溫:-50~-100℃極低溫:-100~-196℃**溫:<-196℃泵送低溫介質(zhì)主要指液化氣體和易揮發(fā)的液體，如液態(tài)氮、液態(tài)氧、甲烷、乙烷、乙烯等液化氣。關(guān)于氮、氧、空氣等液化氣體的物理性能如表10-3所示.關(guān)于乙烯、丙烯、甲烷、乙烷、丙烷的物理性能如圖10-18(a)、(b)、(c)、(d)所示·一、低溫機(jī)械密封的要求1.材料要求金屬材料隨著溫度降低。內(nèi)蒙古水泵用機(jī)械密封型號(hào)。營(yíng)口高溫泵用機(jī)械密封</p><p style="text-indent:25px">圖木舒克福斯泵用機(jī)械密封選型。太原雙輪泵用機(jī)械密封</p><p> 泵吸入口處和葉片背面等處聚集氣體會(huì)導(dǎo)致流阻阻力增大甚至斷流，繼而使工況惡化，必需汽蝕量增加，氣體密度小，比容大，可壓縮性大，流變性強(qiáng)，離心力小，轉(zhuǎn)換能量性能差是引起泵工況惡化的主要原因。試驗(yàn)表明，當(dāng)液體中的氣量（體積比）達(dá)到3%左右時(shí)，泵的性能將出現(xiàn)陡降，當(dāng)入口氣體達(dá)20%～30%時(shí)，泵完全斷流。離心泵允許含氣量（體積比）極限小于5%。葉輪形式因?yàn)槭沂瘽{液中含有氯離子(20000～60000)X10-6，pH值～7之間，濃度20%～35%之間，高達(dá)60%。脫硫泵的過流部件，必須選擇具有抗磨損和抗腐蝕的材料，(公眾號(hào):泵管家)有襯膠、襯陶瓷、全金屬合金等材質(zhì)。脫硫泵一般采用懸臂式單級(jí)單吸離心泵，比轉(zhuǎn)速一般在250～350。葉輪可按照一般離心泵的方法設(shè)計(jì)，分閉式葉輪、開式葉輪等?？紤]到電廠需要比較長(zhǎng)的連續(xù)運(yùn)行時(shí)間，故對(duì)泵的汽蝕和效率都有一定的要求。一般帶背葉片，降低密封腔壓力，降低磨損。由于介質(zhì)有強(qiáng)腐蝕性,葉輪的防腐措施：1.使用高分子材料包覆葉輪，可以保護(hù)葉輪不受腐蝕2.使用特種金屬制成3.使用高分子材料制作葉輪。目前國(guó)際上常用的是高分子材料包覆葉輪，具有非常好的耐磨耐腐蝕性。采用可調(diào)軸承座使軸向位置可調(diào)節(jié)。太原雙輪泵用機(jī)械密封</p><p 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