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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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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>禹城泵用機(jī)械密封件廠家,泵用機(jī)械密封</p><p><span>***更新：</span>2020-11-28 07:14:53</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="legicar" 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="7c2zeln" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nm34akh" class="box"><p><p> 主要由泵體、葉輪、定子、轉(zhuǎn)子、前后導(dǎo)軸承，禹城泵用機(jī)械密封件廠家、軸套以及推動盤組成。電動機(jī)與泵合為一體，定子、轉(zhuǎn)子表面分別用非磁性薄壁材料包封，與工藝介質(zhì)隔開，轉(zhuǎn)子由前后導(dǎo)軸承支撐，浸在輸送的介質(zhì)中。轉(zhuǎn)子軸端裝有葉輪，形成無軸封的結(jié)構(gòu)，以達(dá)到無泄漏輸送的目的。屏蔽泵1.泵體2.葉輪3.前導(dǎo)軸承4.定子5.轉(zhuǎn)子6.軸7.后導(dǎo)軸承8.推動盤9，禹城泵用機(jī)械密封件廠家.軸承監(jiān)視器（2）屏蔽泵的軸封特點(diǎn)從屏蔽泵的原理和屏蔽泵的結(jié)構(gòu)可知：屏蔽泵沒有旋轉(zhuǎn)軸密封裝置，即沒有動密封，只有靜密封，禹城泵用機(jī)械密封件廠家，所以，靜密封點(diǎn)完好無泄漏時(shí)，那屏蔽泵就可以達(dá)到無泄漏的要求。三、安全性及經(jīng)濟(jì)性比較（1）安全性比較的角度說明一個(gè)設(shè)備的安全性評價(jià)是一個(gè)綜合系統(tǒng)的問題，具包括設(shè)備本身質(zhì)量的可靠性及設(shè)備的完好性，也包括環(huán)境及人的行為操作對設(shè)備安全的影響。因本文論述的側(cè)重點(diǎn)是單端面密封離心泵、雙端面密封離心泵及屏蔽泵在輸送危險(xiǎn)物料時(shí)的安全性，所以這三臺泵的安全性評價(jià)側(cè)重在泵泄漏造成的危害角度?，F(xiàn)在進(jìn)行的安全性比較*從泵的結(jié)構(gòu)和軸封特性，當(dāng)軸封故障發(fā)生泄露時(shí)，造成介質(zhì)泄漏到環(huán)境中，可能引起的人身健康、環(huán)保，安全角度進(jìn)行考慮，進(jìn)行比較的。（2）甲醇輸送泵泄漏時(shí)存在的安全風(fēng)險(xiǎn)由本案例可知。河北渣漿泵用機(jī)械密封型號。禹城泵用機(jī)械密封件廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="禹城泵用機(jī)械密封件廠家,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990586083984/8203619.png"></div><p> 在石油化工行業(yè)，離心泵具有性能范圍廣、流量均勻、結(jié)構(gòu)簡單、運(yùn)轉(zhuǎn)可靠和維修方便等諸多優(yōu)點(diǎn)，得到了廣的使用，占裝置泵總量的70～80％。而常見離心泵有單端面密封離心泵、雙端面密封離心泵及屏蔽泵等。那么，在輸送危險(xiǎn)物料時(shí)單端面密封離心泵、雙端面密封離心泵及屏蔽泵那個(gè)安全性更好，相對那種泵又比較經(jīng)濟(jì)。本文以甲醇裂解制氫裝置甲醇輸送泵為例，針對這3種類型的離心泵的結(jié)構(gòu)特點(diǎn)和軸封特性進(jìn)行分析和探討。一、案例某石化企業(yè)甲醇裂解制氫裝置，原料由甲醇輸送泵P-3307A/B送到裝置進(jìn)料泵,該甲醇輸送泵工藝技術(shù)參數(shù)如下：表1-1：甲醇輸送泵工藝技術(shù)參數(shù)序號設(shè)備名稱設(shè)備位號輸送介質(zhì)流量m3/h揚(yáng)程m溫度℃1甲醇輸送泵P-3307A/B甲醇3010040甲醇的特性：甲醇是一種有機(jī)化合物，密度g/mL，沸點(diǎn)℃。甲醇揮發(fā)度高、無色、易燃易爆、有毒，誤飲5～10毫升能雙目失明，大量飲用會導(dǎo)致死亡。常用危險(xiǎn)化學(xué)品的分類及標(biāo)志(GB13690-92)將該物質(zhì)劃為第類中閃點(diǎn)易燃液體。二、各泵的結(jié)構(gòu)特點(diǎn)和軸封特性1、機(jī)械密封概述機(jī)械密封（也稱端面密封）是一種用來解決旋轉(zhuǎn)軸和機(jī)體之間的密封裝置，它是由至少一對垂直于旋轉(zhuǎn)軸線的端面，在流體壓力和補(bǔ)償機(jī)構(gòu)彈力的作用及輔助密封的配合下。禹城泵用機(jī)械密封件廠家云南化工泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="禹城泵用機(jī)械密封件廠家,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png"></div><p> 機(jī)械密封與潤滑概述機(jī)械潤滑相關(guān)內(nèi)容概念：潤滑是在相互接觸、相對運(yùn)動的兩固體摩擦表面間，引入潤滑劑（流體或固體等物質(zhì)），將摩擦表面分開的方法。潤滑劑能夠牢固地吸附在機(jī)器零件的摩擦面上，形成一定厚度的潤滑膜，它與摩擦表面的結(jié)合力很強(qiáng)，但其本身分子間的摩擦系數(shù)很小。當(dāng)摩擦副被潤滑膜隔開時(shí)，它們在作相對運(yùn)動時(shí)就不會直接接觸，使兩摩擦副之間的摩擦轉(zhuǎn)變成潤滑劑的本身間摩擦，磨擦系數(shù)減少，達(dá)到減小摩擦、磨損的目的。機(jī)械密封相關(guān)內(nèi)容密封種類：密封分兩大類，靜密封和動密封。靜密封指相對靜止的結(jié)合面間的密封；動密封指相對運(yùn)動的結(jié)合面間的密封。動密封按其形式與結(jié)構(gòu)又分接觸式密封和非接觸式密封。接觸式密封，兩密封結(jié)合面間相互接觸，并作相對運(yùn)動（或填料與結(jié)合面間作相對運(yùn)動）。密封圈1000G機(jī)械相關(guān)領(lǐng)域資料內(nèi)容涉及的面很廣，具體來說內(nèi)容涵蓋傳統(tǒng)機(jī)械行業(yè)、機(jī)械加工、制造技術(shù)、材料類、材料成型、電氣行業(yè)、液壓行業(yè)、機(jī)電類、機(jī)械傳動、一千多份非標(biāo)設(shè)備三維模型和非標(biāo)設(shè)計(jì)等等領(lǐng)域。</p><p> 磨損較均勻；從受力角度考慮過窄不利，破壞和變形的可能性增加了＞俐，密封端面的直徑又是載荷系數(shù)的函數(shù)。因此，密封端面的寬度應(yīng)綜合考慮。一般地講，對普通介質(zhì)密封端面隨直徑的增大而加寬。對于輕烴類介質(zhì)，端面寬度比在普通介質(zhì)中寬一些：而高速機(jī)械密封，端面寬度相對地窄一些，否則發(fā)熱量太大，不能正常運(yùn)轉(zhuǎn)，一般在3mm左右。環(huán)直徑（mm、環(huán)寬（mm）－20～602～460～1004～6100～2005—7四、密封環(huán)的技術(shù)要求：1）密封端面的平面度不大于0．0009mm（即三個(gè)單色光干涉帶）；硬質(zhì)材料密封端面粗糙度Ra值不大于0．2μm（相當(dāng)于Δ10）；軟質(zhì)材料密封端面粗糙度Ra值不大于0．4μm(相當(dāng)于Δ9)，表面不應(yīng)有裂紋、劃傷、氣孔和疏松等影響使用性能的缺陷。2）密封環(huán)的密封端面與輔助密封圈接觸的端面平行度按GBll84－80的7級精度規(guī)定。3）密封環(huán)端面與安裝輔助密封圈的內(nèi)（或外）圓表面的垂直度應(yīng)按GBll84－80的7級精度的規(guī)定。4）密封環(huán)與輔助密封圈接觸部位的表面粗糙度凡值不大于3．2μm；外圓或內(nèi)孔尺寸公差為hg或Hg。上述要求是對普通泵用機(jī)械密封的密封環(huán)而言，對轉(zhuǎn)速較低的釜用機(jī)械密封可適當(dāng)放寬或參考相應(yīng)的標(biāo)準(zhǔn)，而對高速機(jī)械密封則要求更高。五、平面度平面度。內(nèi)蒙古襄樊五二五泵用機(jī)械密封型號。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="禹城泵用機(jī)械密封件廠家,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990541582031/8933132.png"></div><p> 1．改進(jìn)密封結(jié)構(gòu)及正確選擇摩擦副材料。實(shí)踐證明，在靜環(huán)表面開圓弧形凹槽可形成流體動力密封，增加流體膜承載能力，改善端面潤滑條件，有效延長機(jī)封工作壽命。在端面配對方面，碳化鎢一M106K石墨組對（即動、靜環(huán)材料）一般要優(yōu)于其他材料，因?yàn)槠錆櫥院?，摩擦系?shù)低，導(dǎo)熱性也比較好。2．選擇合適的端面比壓。低溫密封由于端面潤滑性差，容易發(fā)生氣化、結(jié)冰，所以在保證密封可靠的前提下，端面比壓可適當(dāng)減小。一般機(jī)械密封比壓值推薦為，對低溫密封可取其下限。對金屬波紋管機(jī)械密封，由于動環(huán)沒有軸向摩擦，端面比壓甚至可以低于下限。3．工藝上采取相應(yīng)措施。如盡量減少介質(zhì)的含水量；保持密封腔壓力的相對穩(wěn)定；盡可能配備沖洗冷卻裝置；在設(shè)備啟動前，對機(jī)封部位進(jìn)行適當(dāng)預(yù)熱等。三、高速下的機(jī)械密封當(dāng)轉(zhuǎn)速超過3000r/min或者摩擦副的線速度超過25m/s時(shí)，一般可視為高速密封。在高速條件下，摩擦端面由于線速度很大，摩擦產(chǎn)生的熱量也多，此時(shí)端面液膜不容易形成，磨損加劇。高速還容易引起旋轉(zhuǎn)環(huán)的振動，并受到較大的離心力作用，不利于端面間液膜的形成和維持。所以在高速情況下，為了減小離心力和振動的影響，應(yīng)盡量減少轉(zhuǎn)動部件，采用彈簧靜止式結(jié)構(gòu)。北京蘇爾壽泵用機(jī)械密封型號。嵐山區(qū)增壓泵用機(jī)械密封</p><p style="text-indent:25px">寶雞循環(huán)泵用機(jī)械密封泄露。禹城泵用機(jī)械密封件廠家</p><p> 從而可調(diào)整因磨損而增加的間隙，減小間隙泄漏(公眾號:泵管家)，保證泵在高效率運(yùn)行?；蛟O(shè)置可更換的耐磨護(hù)板。軸封具有多種形式，填料密封，機(jī)械密封，副葉輪密封等。一般可選取集裝式機(jī)械密封，安裝精度高，更換維修方便，可靠性也高。軸承根據(jù)載荷（泵的大?。┑牟煌哂胁煌男问?，輕載荷泵殼采用一對角接觸球軸承+圓柱滾子軸承，重載荷泵采用圓錐滾子軸承+圓柱滾子軸承。潤滑采用稀油油浴潤滑。結(jié)構(gòu)特點(diǎn)由于是脫硫裝臵中的大型關(guān)鍵設(shè)備，裝置對其可靠性及使用壽命有很高要求。FGD裝置消耗的電能有一半以上用于驅(qū)動吸收塔循環(huán)泵。因此，循環(huán)泵應(yīng)具有較高的效率。泵的水力設(shè)計(jì)、結(jié)構(gòu)設(shè)計(jì)以及過流部件材料的選擇直接關(guān)系著泵運(yùn)行的效率、可靠性和使用壽命。下圖為襄樊五二五泵業(yè)開發(fā)的吸收塔循環(huán)泵泵體、泵蓋等過流件采用2605N材料，葉輪、耐磨板則采用Cr30A材料。泵的水力設(shè)計(jì)，借鑒了法國J〃S公司固液兩相流泵的設(shè)計(jì)制造技術(shù)。（1）泵為單級單吸式離心泵，該形式在實(shí)踐中已證明特別適用于FGD裝臵吸收塔循環(huán)泵輸送磨蝕性、腐蝕性漿體。（2）葉輪、耐磨板不采用口環(huán)密封形式，口環(huán)的設(shè)臵將會被漿體快速磨損，從而導(dǎo)致泵的效率快速下降。（3）具有軸向調(diào)節(jié)結(jié)構(gòu)。禹城泵用機(jī)械密封件廠家</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司是一家機(jī)械密封，機(jī)械密封件，泵用機(jī)械密封，集裝式機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封，金屬波紋管機(jī)械密封，泵廠配套機(jī)械密封，石家莊工業(yè)泵機(jī)械密封，襄樊五二五泵用機(jī)械密封，柳州酸王泵用機(jī)械密封，連成配套機(jī)械密封，凱泉配套機(jī)械密封，東方配套機(jī)械密封，南方配套機(jī)械密封，福斯機(jī)械密封，沃曼泵用機(jī)械密封，電廠配套機(jī)械密封，凱泉配套機(jī)械密封。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。張家港博格曼擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供機(jī)械密封，泵用機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封。張家港博格曼繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。張家港博格曼始終關(guān)注機(jī)械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2178671.html</p></div></div></div></div></div><div id="3gvc29t" class="page-right twoColRt"><div id="hqnujg7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cbo2t8g" class="recomPic likePro"><a 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