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id="bkcuwik" class="proBig"><div id="7c37i73" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637348062501855469/3459773.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="i2vn28a" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637348062501855469/3459773.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mvn7cmi" 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>長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件,格蘭富機(jī)械密封件</p><p><span>***更新：</span>2020-11-05 00:29:11</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="apm2skh" 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="hgyqnzw" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="u7e2gnp" class="box"><p><p> 安裝程序**簡(jiǎn)化，同時(shí)密封面和密封彈性體都得到很好的保護(hù)，可防止意外的損壞。這些優(yōu)點(diǎn)也意味著可縮減密封的維修和更換時(shí)間。各種彈筒式密封幾乎都可以在市場(chǎng)上購(gòu)得，因此可以減少使用中出現(xiàn)的風(fēng)險(xiǎn)因素，而且還可以節(jié)約使用普通密封件所固有的維修時(shí)間。雙重密封和液體阻隔裝置采用雙重密封面的密封來(lái)代替單一的密封件具有更高程度的防漏特性。這類雙重密封大都應(yīng)用于揮發(fā)性強(qiáng)、有毒、危險(xiǎn)和潤(rùn)滑性很差的液體。雙重密封一般有三種設(shè)計(jì)型式，每種型式都要求在雙重密封面之間使用一種液體阻隔系統(tǒng)，以防止液體或氣體外泄。比較常用的低成本雙重密封是一種以背靠背方式安裝的密封，其旋轉(zhuǎn)密封面以相反的方向排列。它往往需要一種阻隔液體，其壓力應(yīng)高于填料盒壓力，大約為20psi，這樣就可保證內(nèi)部的密封始終能得到阻隔液體的潤(rùn)滑，而且也可保證密封面達(dá)到一定的密封壓力。圖5這類密封的旋轉(zhuǎn)面采用面對(duì)面方式進(jìn)行安裝，并采用高壓或低壓阻隔液體系統(tǒng)，長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件。在結(jié)構(gòu)比較復(fù)雜的面對(duì)面型式密封中，長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件，長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件，旋轉(zhuǎn)密封面之間是以面對(duì)面方式排列的(見(jiàn)圖5)，它們往往在同一靜止密封面的相反方向上動(dòng)作。這類密封既可采用高壓阻隔液體系統(tǒng)，也可采用低壓阻隔液體系統(tǒng)。石家莊格蘭富機(jī)械密封件。長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件,格蘭富機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637348062501855469/3459773.png"></div><p> 金屬纏繞密封墊金屬纏繞密封墊是把薄的金屬帶和薄的非金屬帶緊貼在一起，一層一層地纏繞所構(gòu)成的圓環(huán)形密封墊。它兼有金屬的優(yōu)良回彈能力，耐熱性和非金屬材料的柔軟性，并且有多道密封作用。一般推薦公稱壓力為，使用溫度根據(jù)不同的軟性填充材料，高可達(dá)℃如填充材料為石墨。金屬包覆墊金屬包覆墊一般由金屬材料如不銹鋼皮，鍍鋅，鍍錫薄板等作包覆層，石棉橡膠板作為填充材料制成。填料安裝方法要正確首先切割填料時(shí)切口角度大致應(yīng)選在之間填料切口角度的選擇在切割范圍內(nèi)要適當(dāng)減小切口角度盡量加大切口接合面的長(zhǎng)度延長(zhǎng)介質(zhì)的滲漏路徑增強(qiáng)密封但如果切割角度過(guò)小往往容易在切割時(shí)損壞填料的銳角因此填料切口角度通常選擇在比較合適其次還要注意填料切面的接合方式填料要切得長(zhǎng)短合適并逐圈將其壓入填料腔不允許填料連續(xù)纏繞或多圈一起安放后再壓緊填料安裝圈數(shù)也要適宜在安裝帶有切口的填料圈時(shí)不能劇烈地反復(fù)地扭轉(zhuǎn)切口不能向兩側(cè)用力拉大切口的縫距此外安裝填料時(shí)還要注意各圈填料的切口接合部位通常應(yīng)當(dāng)依次錯(cuò)開(kāi)綜合使用軟硬不同的填料能密封裝填時(shí)硬填料應(yīng)在深部軟填料應(yīng)在壓蓋附近且應(yīng)軟硬交替放置推薦壓力為，溫度不超過(guò)℃。它有較好的耐熱性和回彈能力。丹東CLS40959-733231格蘭富機(jī)械密封件丹東格蘭富機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件,格蘭富機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637348062318798828/9433460.png"></div><p> 根據(jù)近幾年來(lái)機(jī)械密封運(yùn)行工況和失效后的拆檢情況來(lái)看，其常見(jiàn)原因如下：1、密封環(huán)熱裂紋機(jī)械密封拆開(kāi)時(shí)可發(fā)現(xiàn)，硬環(huán)表面有過(guò)熱回火色，石墨環(huán)表面有環(huán)狀溝紋、橡膠圈老化等。主要原因是：①由于介質(zhì)溫度過(guò)高泵體內(nèi)形成汽蝕，汽蝕發(fā)生后，水力沖擊帶動(dòng)密封做迅速的軸向振蕩，使動(dòng)靜環(huán)及輔助密封圈等零件嚴(yán)重的磨損，使機(jī)械密封裝置損壞。②潤(rùn)滑不良，密封環(huán)端面沒(méi)有形成液體潤(rùn)滑膜或密封環(huán)端面間液膜汽化，形成干摩擦；③冷卻系統(tǒng)散熱不良；2、離心泵的振動(dòng)由于制造和安裝精度等原因，所有的離心泵都存在著振動(dòng)。振動(dòng)的原因主要為轉(zhuǎn)子不平衡、機(jī)泵不同心、滾動(dòng)軸承故障等。從軸承箱表面測(cè)到的振幅不能大于，超過(guò)該值就要停泵處理。振動(dòng)可分解為三個(gè)方向：垂直、水平和軸向，其中以軸向振動(dòng)對(duì)密封的危害大。當(dāng)泵振動(dòng)加劇時(shí)，動(dòng)靜環(huán)之間發(fā)生分離。瞬間的分離在液膜壓力作用下致使密封面開(kāi)啟，出現(xiàn)大量泄漏，如果這時(shí)介質(zhì)中固體顆粒含量超過(guò)5%時(shí)，由于振動(dòng)引起端面分離，顆粒嵌入較軟的石墨環(huán)端面，造成硬質(zhì)環(huán)密封面的過(guò)度磨損。拆卸檢查時(shí)可發(fā)現(xiàn)，在硬密封面上有清晰的摩擦痕跡，進(jìn)入固體顆粒時(shí)有劃痕。3、彈性元件失彈主要特征是拆卸檢查彈性元件時(shí)，彈性元件彈力不足。</p><p> 如油渣泵、回?zé)捰捅?、常減壓塔底泵等常見(jiàn)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(guò)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，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(guò)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(guò)大等,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、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。綏化格蘭富機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件,格蘭富機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637348062584531250/2157442.png"></div><p> 在化工泵材質(zhì)的選擇過(guò)程中，要優(yōu)先選用硫含量較高的材料，而摩擦副則需要選擇碳化硅或者氮化硅的材質(zhì)，進(jìn)而能夠改善化工泵的機(jī)械密封性能。碳化硅材料的密度相對(duì)較低，具有強(qiáng)度高，耐磨性好，抗腐蝕，隔熱性好以及耐高溫等優(yōu)點(diǎn)，因此，能夠用于摩擦副的制作。為了避免化工泵受到介質(zhì)的腐蝕，就要在其表面形成一個(gè)金屬保護(hù)層，通過(guò)保護(hù)層將機(jī)械密封金屬與泵中的介質(zhì)進(jìn)行的隔離，進(jìn)而避免腐蝕的發(fā)生。適用于高溫高壓工況下閥桿的密封機(jī)械施工工況改變方面的問(wèn)題機(jī)械密封施工工況改變方面的問(wèn)題包含工藝介質(zhì)改變，如介質(zhì)密度增大所導(dǎo)致密封腔壓力增大，進(jìn)而使端面的摩擦力相應(yīng)增大，磨損的情況加??；工藝參數(shù)發(fā)生改變，如溫度升高是密封腔中熱量增加，從而使密封的端面熱烈變形和密封“”型環(huán)變硬老化等等。合金鋼是在鋼中除了鐵元素，碳元素之外加入其它的元素，合金鋼的強(qiáng)度高，韌性高，耐腐蝕，耐高溫，耐磨，但是其生產(chǎn)工藝復(fù)雜，造價(jià)價(jià)高。因此，在化工泵機(jī)械密封材料的選擇上，要充分結(jié)合泵中介質(zhì)的性質(zhì)以及泵實(shí)際的工作環(huán)境進(jìn)行有針地性的選擇，確保所選擇的材料技術(shù)上先進(jìn)，經(jīng)濟(jì)上合理。嚴(yán)格按照規(guī)范操作為了避免操作失誤給化工泵的機(jī)械密封性能造成不良影響。煙臺(tái)格蘭富機(jī)械密封件。長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件</p><p style="text-indent:25px">浙江格蘭富機(jī)械密封件。長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件</p><p> 2)、對(duì)安裝機(jī)械密封時(shí)壓縮量過(guò)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(guò)緊，彈簧無(wú)法調(diào)整動(dòng)環(huán)的軸向浮動(dòng)量；4)、靜環(huán)密封圈過(guò)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(guò)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、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。5、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。長(zhǎng)春CL30707 X22221格蘭富機(jī)械密封件</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，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。張家港博格曼深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的機(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(zhǎng)，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(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1848414.html</p></div></div></div></div></div><div id="2evczl7" class="page-right twoColRt"><div id="mgyqiuj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7n8bpmo" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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