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class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361363056641/3465430.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dkw7l3e" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361363056641/3465430.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xarjaef" 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>聊城機(jī)械密封件廠,機(jī)械密封</p><p><span>***更新：</span>2020-10-24 10:25:20</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="d7a3u92" 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="bjl2vkh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8utkrip" class="box"><p><p> 2)、對(duì)安裝機(jī)械密封時(shí)壓縮量過大，導(dǎo)致摩擦副端面嚴(yán)重磨損、擦傷；3)、動(dòng)環(huán)密封圈過緊，彈簧無法調(diào)整動(dòng)環(huán)的軸向浮動(dòng)量；4)、靜環(huán)密封圈過松，當(dāng)動(dòng)環(huán)軸向浮動(dòng)時(shí)，靜環(huán)脫離靜環(huán)座；5)、工作介質(zhì)中有顆粒狀物質(zhì)，運(yùn)轉(zhuǎn)中進(jìn)人摩擦副，探傷動(dòng)、靜環(huán)密封端面；6)、設(shè)計(jì)選型有誤，密封端面比壓偏低或密封材質(zhì)冷縮性較大等。上述現(xiàn)象在試運(yùn)轉(zhuǎn)中經(jīng)常出現(xiàn)，有時(shí)可以通過適當(dāng)調(diào)整靜環(huán)座等予以消除，但多數(shù)需要重新拆裝，更換密封。3、由于兩密封端面失去潤(rùn)滑膜而造成的失效a）因端面密封載荷的存在，在密封腔缺乏液體時(shí)啟動(dòng)泵而發(fā)生干摩擦；b）介質(zhì)的低于飽和蒸汽壓力，使得端面液膜發(fā)生閃蒸，喪失潤(rùn)滑；c）如介質(zhì)為易揮發(fā)性產(chǎn)品，在機(jī)械密封冷卻系統(tǒng)出現(xiàn)結(jié)垢或阻塞時(shí)，由于端面摩擦及旋轉(zhuǎn)元件攪拌液體產(chǎn)生熱量而使介質(zhì)的飽和蒸汽壓上升，也造成介質(zhì)壓力低于其飽和蒸汽壓的狀況。4、由于腐蝕而引起的機(jī)械密封失效a）密封面點(diǎn)蝕，甚至穿透。b）由于碳化鎢環(huán)與不銹鋼座等焊接，使用中不銹鋼座易產(chǎn)生晶間腐蝕；c）焊接金屬波紋管，聊城機(jī)械密封件廠、彈簧等在應(yīng)力與介質(zhì)腐蝕的共同作用下易發(fā)生破裂，聊城機(jī)械密封件廠。5，聊城機(jī)械密封件廠、由于高溫效應(yīng)而產(chǎn)生的機(jī)械密封失效a）熱裂是高溫油泵。六安109-55機(jī)械密封件。聊城機(jī)械密封件廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="聊城機(jī)械密封件廠,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361363056641/3465430.png"></div><p> 清潔流體；干式密封的直立、頂入式混和器、攪拌器；PLAN11（自沖洗）方案描述：從泵出口處經(jīng)過限流孔板進(jìn)行機(jī)械密封沖洗，單端面機(jī)械密封沖洗方案。采用原因：密封腔的冷卻，臥式密封腔的排氣，增加密封腔的壓力和流體汽化臨界空間。應(yīng)用場(chǎng)合：通常用于清潔非聚合流體；一般工況設(shè)備的較常用沖洗方案。PLAN13（反向沖洗）方案描述：從密封腔，通過限流孔板到泵的進(jìn)口的二次循環(huán)，立式泵的標(biāo)準(zhǔn)沖洗方案。采用原因：立式泵密封腔的不間斷排氣，密封腔除熱。應(yīng)用場(chǎng)合：立式泵，密封腔壓力大于進(jìn)口壓力，混有中等大小的固體的常溫流體，非聚合流體。PLAN14（正+反向沖洗）方案描述：從泵的出口沖洗機(jī)封，再循環(huán)到帶限流孔板的泵進(jìn)口，方案11和13的結(jié)合。采用原因：立式泵機(jī)封腔的連續(xù)排氣，密封腔除熱，增加密封腔的壓力和流體汽化的臨界空間。應(yīng)用場(chǎng)合：立式泵，常溫、清潔非聚合流體。PLAN21（帶冷卻的自沖洗）方案描述：從泵出口經(jīng)限流孔板和冷卻器沖洗機(jī)封，方案11加冷卻器，增加了除熱能力。采用原因：機(jī)封冷卻，降低流體溫度，減少焦化。應(yīng)用場(chǎng)合：高溫，低于350°F（177°C）高于180°F（80°C）熱水清潔、非聚合物。PLAN23。煙臺(tái)常規(guī)機(jī)械密封連云港橡膠波紋管機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="聊城機(jī)械密封件廠,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361597978516/3563835.png"></div><p> 摩擦副故障是機(jī)械密封失效的主要因素，國(guó)內(nèi)齊魯石油化工公司煉油廠對(duì)國(guó)產(chǎn)104型和110型機(jī)械密封在274臺(tái)泵上應(yīng)用一個(gè)周期(10個(gè)月)后機(jī)械密封失效率和失效原因統(tǒng)計(jì)分析結(jié)果如表9-5、9-6、9-7所示.從表9-5、9-6、9-7分析可見:1.熱油和低粘度油失效率兩者合計(jì)為，說明熱油和低粘度介質(zhì)的密封仍然是煉油廠目前研究的主課題。此外，高粘度介質(zhì)對(duì)密封也不利.2.機(jī)械密封失效部位以摩擦副居多，占62%.失效現(xiàn)象表現(xiàn)在摩擦副磨損和碳化鎢環(huán)與動(dòng)環(huán)座發(fā)生相對(duì)轉(zhuǎn)動(dòng)，兩者占總失效次數(shù)的，這個(gè)現(xiàn)象與國(guó)外有人對(duì)五年間300套機(jī)械密封的故障統(tǒng)計(jì)數(shù)據(jù)很接近.3.失效原因不僅與機(jī)械密封本身有關(guān)，還與工作條件和輔助裝置有關(guān)，無沖洗措施是機(jī)械密封失效的主要原因之一二、機(jī)械密封的故陣處理機(jī)械密封的故障現(xiàn)象很多，但主要反映在在泄漏上，泄漏現(xiàn)象又可分為:1.開始運(yùn)轉(zhuǎn)階段的泄漏;2.周期性泄漏;3.經(jīng)常泄漏;4.突然和大量泄漏.伴隨泄漏，還會(huì)出現(xiàn)密封發(fā)熱、冒煙、振動(dòng)、響聲.、功率增大等現(xiàn)象.由于造成泄漏的因素很多，。</p><p> 以防突然啟動(dòng)而造成軟環(huán)破裂.2.正常使用前先進(jìn)行常琢運(yùn)轉(zhuǎn)，觀察密封部位的溫升是否正常.如有輕徽泄漏，可跑合一段時(shí)間，使端面貼合更加均勻，直到泄漏童逐漸減少至正常為止.如運(yùn)轉(zhuǎn)1~3小時(shí)泄漏量仍不減少，則需停車檢查.3.升壓、升溫運(yùn)轉(zhuǎn):經(jīng)過常壓運(yùn)轉(zhuǎn)考驗(yàn)的機(jī)械密封應(yīng)及時(shí)做與操作條件相同的升壓、升溫運(yùn)轉(zhuǎn).升壓、升溫可分別進(jìn)行.升的過程應(yīng)緩慢，注意升壓(或升溫)過程中可能發(fā)生的變化，如機(jī)件有無碰撞，端面是否脫開，摩擦發(fā)熱是否過快，防轉(zhuǎn)銷有無脫開或損壞，壓力是否穩(wěn)定(要求壓力波動(dòng)不大于±)以及密封圈處和密封端面處有無泄漏等，如果一切正常，即可投人生產(chǎn)。機(jī)械密封故障的產(chǎn)生原因及處理措施一、機(jī)械密封故降的產(chǎn)生原因機(jī)械密封故障的產(chǎn)生原因主要有以下幾個(gè)方面:1.機(jī)械密封本身不良造成的故障;2.主機(jī)問題造成的故障;3.機(jī)械密封的選擇和應(yīng)用不當(dāng)所造成的故障;4.安裝和操作不當(dāng)以及管理不善所造成的故障;5.輔助裝置不良或?qū)o助裝置認(rèn)識(shí)不夠造成的故障.機(jī)械密封的故障現(xiàn)象有:端面磨損、密封環(huán)熱裂、變形、腐蝕、彈贊失去彈性或折斷、輔助密封圈損壞等.國(guó)外有人對(duì)三百套機(jī)械密封在五年間所發(fā)生的故障進(jìn)行統(tǒng)計(jì)分析，其結(jié)果如表9-4所示。由表9-4可見。合肥109-50機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="聊城機(jī)械密封件廠,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361637871094/4155698.png"></div><p> 核電站循環(huán)泵為了安全可靠，由有軸封泵改成無軸封泵。改進(jìn)機(jī)械密封后因工作可靠，又由無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，但卻能決定機(jī)器設(shè)備的安全性、可靠性和耐久性在石油化工廠機(jī)泵釜中的軸封不大，一旦發(fā)生產(chǎn)品泄漏事故，不僅會(huì)影響到機(jī)泵設(shè)備的工作，還會(huì)發(fā)生燃燒或，造成工藝裝置停工和人身傷亡等。三、機(jī)械密封在日常機(jī)泵釜等設(shè)備維修工作中，工作量約占50%通過對(duì)國(guó)內(nèi)外幾個(gè)石化企業(yè)的調(diào)查，都說明了在日常機(jī)泵釜等設(shè)備維修中，機(jī)械密封的維修工作量幾乎占50%。離心泵的維修費(fèi)大約有70%是由于密封故障。機(jī)械密封的地位:據(jù)調(diào)查，石化工藝裝置機(jī)泵中有86%以上采用機(jī)械密封。隨著機(jī)械密封技術(shù)的發(fā)展，在機(jī)泵中機(jī)械密封將占有更加重要的地位。六安橡膠波紋管機(jī)械密封件。黑龍江單端機(jī)械密封</p><p style="text-indent:25px">安慶橡膠波紋管機(jī)械密封件。聊城機(jī)械密封件廠</p><p> 六大UHB化工泵機(jī)械密封檢修過程中存在的誤區(qū)1、彈簧壓縮量越大密封效果越好其實(shí)不然，彈簧壓縮量過大，可導(dǎo)致摩擦副急劇磨損，瞬間燒損；過度的壓縮使彈簧失去調(diào)節(jié)動(dòng)環(huán)端面的能力，導(dǎo)致密封失效。2、動(dòng)環(huán)密封圖越緊越好。其實(shí)動(dòng)環(huán)密封圈過緊有害無益。是加劇密封圈與軸套間的磨損，過***漏；二是增大了動(dòng)環(huán)軸向調(diào)整、移動(dòng)的阻力，在工況變化頻繁時(shí)無法適時(shí)進(jìn)行調(diào)整；三是彈簧過度疲憊易損壞；四是使動(dòng)環(huán)密封圈變形，影響密封效果。3、靜環(huán)密封圈越緊越好靜環(huán)密封圈基本處于靜止?fàn)顟B(tài)，相對(duì)較緊密封效果會(huì)好些，但過緊也是有害的。是引起靜環(huán)密封因過度變形，影響密封效果；二是靜環(huán)材質(zhì)以石墨居多，般較脆，過度受力易引起碎裂；三是安裝、拆卸困難，易損壞靜環(huán)。4、葉輪鎖母越緊越好。機(jī)械密封泄漏中，軸套與軸之間的泄漏（軸間泄漏）是比較常見的。一般認(rèn)為，軸間泄漏就是葉輪鎖母沒鎖緊，其實(shí)導(dǎo)致軸間泄漏的因素較多，如軸間墊失效，偏移，軸間內(nèi)有雜質(zhì)，軸與軸套配合處有較大的形位誤差，接觸面破壞，軸上各部件間有間隙，軸頭螺紋過長(zhǎng)等都會(huì)導(dǎo)致軸間泄漏。鎖母鎖緊過度只會(huì)導(dǎo)致軸間墊過早失效，相反適度鎖緊鎖母，使軸間墊始終保持定的壓縮彈性。聊城機(jī)械密封件廠</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋機(jī)械密封，泵用機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封等，價(jià)格合理，品質(zhì)有保證。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。張家港博格曼立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1690147.html</p></div></div></div></div></div><div id="8r3g3wi" class="page-right twoColRt"><div id="vzgnevm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kemhev3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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