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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>?南寧KSB泵用機(jī)械密封件廠家伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="dxndrnd" class="leftbox clearfix"><h1>南寧KSB泵用機(jī)械密封件廠家伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="fzpxdpn" class="proBig"><div id="rpp5rzn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182298154297/3616938.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3nlb5zv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182298154297/3616938.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nldh3pt" 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>南寧KSB泵用機(jī)械密封件廠家,泵用機(jī)械密封件</p><p><span>***更新：</span>2021-02-03 12:16:43</p><p><span id="click" >瀏覽次數(shù)：6次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dnljxrh" 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="bd3r3fd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tx533p7" class="box"><p><p> 有時(shí)密封介質(zhì)本身就是各種懸浮漿液，這些介質(zhì)中的顆粒對密封起著磨料作用.高粘度介質(zhì)常指粘度大于Pa·s(700cP)的介質(zhì).一、含有磨料介質(zhì)的機(jī)械密封實(shí)際生產(chǎn)中經(jīng)常遇到液一固兩相或氣一固兩相介質(zhì)的密封問題，而機(jī)械密封的大敵是含有固體顆粒的溶液.磨料介質(zhì)包含以下幾種情況:1.處理物料是漿液;2.在機(jī)體和管線內(nèi)有雜質(zhì)混人;3.由于溫度變化有結(jié)晶析出或有凝固物產(chǎn)生;4.在密封端面內(nèi)有溶解物析出;5.由于化學(xué)反應(yīng)有固體物質(zhì)產(chǎn)生;6.由于電化學(xué)作用在密封端面內(nèi)析出和附著金屬物質(zhì).普通單端面機(jī)械密封遇到磨料介質(zhì)時(shí)產(chǎn)生下列故璋:1.密封端面早期磨損;2.動環(huán)因間隙阻塞和密封圈摩擦力增大而不能動作;3.密封圈不能起緩沖作用;4.彈簧被雜質(zhì)阻塞不能動作;5.軸不能旋轉(zhuǎn);6.整個(gè)密封失效.對含磨料介質(zhì)的密封應(yīng)采取以下措施:1.加強(qiáng)沖洗冷卻措施，防止雜質(zhì)在密封腔內(nèi)淤塞，南寧KSB泵用機(jī)械密封件廠家，如單端面密封應(yīng)加注液潤滑，雙端面密封則加阻封液或阻封液和輔助注液合用;2.摩擦副材料選用硬對硬配合，常用硬質(zhì)合金對硬質(zhì)合金(或陶瓷);3，南寧KSB泵用機(jī)械密封件廠家.盡童采用大彈簧，減少顆粒阻塞機(jī)會；4，南寧KSB泵用機(jī)械密封件廠家.如用波紋管密封代替普通機(jī)械密封，建議用橡膠波紋管和焊接金屬經(jīng)過噴涂或合成橡膠包夜的波紋管，因?yàn)橐话憬饘俨y管對處理砂漿液能力差。朝陽區(qū)石家莊工業(yè)泵泵用機(jī)械密封件選型。南寧KSB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="南寧KSB泵用機(jī)械密封件廠家,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182298154297/3616938.png"></div><p> 由介質(zhì)壓力變化引起端面比壓的增量大于或等于介質(zhì)壓力的增量。平衡型：載荷系數(shù)K<1的密封，也就是由介質(zhì)壓力變化引起的端面比壓的增量小于介質(zhì)壓力的增量，稱為平衡型密封。根據(jù)密封端面的數(shù)量和布置方式可分為單端面、雙端面及多端面機(jī)械密封。兩組密封端面“背靠背”（圖10a）或“面對面”（圖10b）布置的密封叫雙端面機(jī)械密封。對于工作介質(zhì)有毒、易爆、易燃、易揮發(fā)、易結(jié)晶、高溫、低溫或工作介質(zhì)是氣體，或?qū)τ诟哒婵斩鹊拿芊猓捎秒p端面密封。此時(shí)雙端面之間的密封腔引入封液進(jìn)行堵封、潤滑和冷卻。一般情況下封液選用潔凈和潤滑性好的介質(zhì)。二、串聯(lián)機(jī)械密封應(yīng)用的工況兩組或兩組以上同向布置的單端面機(jī)械密封組成串聯(lián)機(jī)械密封（圖11）。這種密封方式使密封腔的壓力逐級降低，介質(zhì)不至外漏。串聯(lián)密封一般情況下很少采用，只有在壓力很高時(shí)采用。補(bǔ)償機(jī)構(gòu)為波紋管，密封環(huán)（動環(huán)或靜環(huán)）和波紋管制成一個(gè)整體，中間沒有輔助密封圈（見圖8）稱為波紋音式機(jī)械密封。波紋音式機(jī)械密封減少了一個(gè)泄漏點(diǎn)；同時(shí)減少了補(bǔ)償機(jī)構(gòu)的摩擦阻力，改善了追隨性；對于焊接金屬波紋管密封（圖8b）使用溫度不受輔助密封圈的限制；對于四氟波紋管密封（圖8a）可用于腐蝕性介質(zhì)中。南寧KSB泵用機(jī)械密封件廠家朝陽區(qū)凝結(jié)水泵泵用機(jī)械密封件選型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧KSB泵用機(jī)械密封件廠家,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182097675781/701815.png"></div><p> 氣體不會在泵的中部滯留·(5)無軸的彎曲問題，軸封可遠(yuǎn)離泵體，減少熱的影響。電機(jī)安裝架為遮風(fēng)結(jié)構(gòu)，所以電機(jī)的溫升對泵幾乎沒有影響。(6)泵殼埋于地下，易于保冷.所以，石油液化氣用的低溫泵常用以上這種結(jié)構(gòu).2.低溫甲烷泵機(jī)械密封甲烷液化氣在-99℃時(shí)的蒸汽壓接近3MPa.乙烯裝置脫甲烷塔底泵在-53℃時(shí)出口壓力近似3MPa，采用雙端面串聯(lián)式機(jī)械密封，它是比拉公司BB81-K7+BB81B-S7型，尺寸為45x39與50x45(圖10-20)。耐腐蝕機(jī)械密封在腐蝕性介質(zhì)中，機(jī)械密封的零件受到介質(zhì)的強(qiáng)烈侵蝕，摩擦面同時(shí)受到.腐蝕和磨損，這種現(xiàn)象稱為“磨蝕“，其腐蝕速度約為無摩擦?xí)r的10~50倍.某些結(jié)構(gòu)材料具有優(yōu)良的耐蝕性能，耐磨性能卻較差;而另一些結(jié)構(gòu)材料雖具有良好的耐磨性，耐蝕性卻很差.因此，摩擦副應(yīng)選擇既要耐腐蝕又要耐磨，輔助密封圈、彈擠和結(jié)構(gòu)件也要有良好的耐蝕性能.在設(shè)計(jì)耐腐蝕機(jī)械密封時(shí)，一般采取以下一些措施:1.結(jié)構(gòu)上的隔離措施采用外裝式結(jié)構(gòu)，經(jīng)過適當(dāng)?shù)倪x擇，外裝式密封可以做到無金屬件與工藝介質(zhì)接觸，小的零件如彈簧、銷子可不受工藝介質(zhì)腐蝕.外裝式有普通型機(jī)械密封和波紋管型機(jī)械密封兩種，’以波紋管型密封結(jié)構(gòu)較好(圖10-21).如密封件材質(zhì)耐蝕能力許可。</p><p> 要將軸封部分的溫度設(shè)計(jì)為0℃，這時(shí)用作氣體密封，密封圈可用普通O形或V形密封圈。密封結(jié)構(gòu)是與泵體結(jié)構(gòu)相適應(yīng)，常用的低溫泵采用立式結(jié)構(gòu).3.輔助裝置(1)要盡可能加大沖洗量，加強(qiáng)冷卻措施，或提高密封腔內(nèi)壓力，來控制液溫升高所引起的氣化現(xiàn)象，要***避免從泵出口端裝沖洗管線來沖洗密封端面，因?yàn)樵诘蜏叵?，這種沖洗管線內(nèi)液體會氣化.所以，一般采逆流沖洗方式.(2)防止單端面密封在泵停轉(zhuǎn)過程中大氣中水分與密封接觸使邊緣結(jié)冰，可用甲醇等化冰劑加以溶解，阻封部分也可通人氮?dú)飧蓺饧右员Ｗo(hù).總之，既要充分冷卻又要采取保冷措施。(3)在高于密封面的部位裝設(shè)排氣管線，這樣，如果產(chǎn)生氣體也可從排氣管線逸出。有關(guān)低溫泵的輔助裝置見第七章***節(jié)低溫泵輔助系統(tǒng)。二、低溫甲烷泵機(jī)械密封低溫泵通常是立式結(jié)構(gòu)，密封腔設(shè)在泵的上部，密封結(jié)構(gòu)為雙端面平衡型機(jī)械密封。低溫泵的結(jié)構(gòu)及布置如圖10-19所示。1.低溫泵的結(jié)構(gòu)特點(diǎn)(1)筒形結(jié)構(gòu)，不必?fù)?dān)心低溫時(shí)發(fā)生變形.(2)一級葉輪位于底部，通過增減柱形筒體的長度(圖10-19中的葉輪只列出二級，實(shí)際有十多級)，.來適應(yīng)葉輪級數(shù)的變化。(3)液體從上向下進(jìn)人葉輪，由吸人端排氣從而起到有效的氣體分離器作用。(4)立式結(jié)構(gòu)排氣順暢。巴中襄陽五二五泵用機(jī)械密封件廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧KSB泵用機(jī)械密封件廠家,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182248554687/4040785.png"></div><p> 五、與釜用機(jī)械密封有關(guān)的幾個(gè)參數(shù)1.使用壽命釜用機(jī)械密封的使用壽命一般規(guī)定半年以上.其實(shí)使用壽命與攪拌軸的轉(zhuǎn)速、密封尺寸、摩擦副材料等因素有關(guān).圖10-6為EKATO公司對不同尺寸的密封在不同轉(zhuǎn)速下的使用壽命試驗(yàn)結(jié)果.2.適用范圍釜用密封的適用范圍與使用條件、何種輔助裝置有關(guān)，，每個(gè)密封公司都有其產(chǎn)品適用范圍的說明.圖10-7為EKATO公司RD023和RD200ST型密封在密封液貯罐和壓力平衡裝置兩種條件下的適用范圍圖.高溫機(jī)械密封機(jī)械密封的工作溫度超過80℃時(shí)就作為高溫機(jī)械密封(有的密封公司以工作溫度>90℃為界限)，在高溫下，密封主要間題有下列幾項(xiàng):密封端面液體汽化，摩擦副的熱應(yīng)力和熱變雍，組合件、鑲嵌件可能因配合不當(dāng)而松脫，輔助密封圈因高溫引起的老化、龜裂、粘結(jié)和彈性消失，彈簧疲勞和強(qiáng)度降低，材料的腐蝕和磨損加快.一、高溫機(jī)械密封的要求1.選用耐高溫的密封材料在高溫下，材料的耐溫性能顯得特別重要，合理選用密封材料可使一般結(jié)構(gòu)的機(jī)械密封仍能適用于高溫工作條件，簡化手續(xù)，節(jié)省開支.表10-1列出不同密封材料的使用極限溫度.2.采用金屬波紋管型機(jī)械密封或金屬波紋管與普通機(jī)械密封相結(jié)合的密封結(jié)構(gòu)從耐熱性能來看。南寧宙斯泵用機(jī)械密封件廠家。南寧KSB泵用機(jī)械密封件廠家</p><p style="text-indent:25px">婁底石家莊工業(yè)泵泵用機(jī)械密封件選型。南寧KSB泵用機(jī)械密封件廠家</p><p style="text-indent:25px">我國工業(yè)通過供給側(cè)更改逐步完成了產(chǎn)能去化，機(jī)械及行業(yè)設(shè)備業(yè)粗放式投錢的時(shí)代已經(jīng)過去，傳統(tǒng)制造業(yè)升級趨勢明顯。設(shè)備行業(yè)與下游制造業(yè)投錢需求緊密相關(guān)，具有較強(qiáng)的周期屬性，機(jī)械及行業(yè)設(shè)備公司往往被貼上周期股的標(biāo)簽。機(jī)械企業(yè)常常利用虛擬制造技術(shù)來提升反應(yīng)能力，而虛擬制造技術(shù)也是機(jī)械制造領(lǐng)域中**重點(diǎn)的技術(shù)。對現(xiàn)代化私營有限責(zé)任公司企業(yè)來說，具備敏捷的反應(yīng)能力是未來努力的方向。在我國經(jīng)濟(jì)步入發(fā)展新常態(tài)后，機(jī)械密封，泵用機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封行業(yè)也處于新舊增長模式轉(zhuǎn)換的關(guān)鍵時(shí)期，實(shí)施轉(zhuǎn)換的獨(dú)一途徑是依靠科技創(chuàng)新驅(qū)動發(fā)展。行業(yè)內(nèi)生產(chǎn)型企業(yè)普遍通過增加科技加入、提高產(chǎn)品科技含量的方式提升產(chǎn)品性能和質(zhì)量，擺脫同質(zhì)化困境，以期在日益激烈的市場競爭中占據(jù)主動。這一情況客觀推動了我國工程機(jī)械技術(shù)水平的提升，自主品牌企業(yè)競爭力得到增強(qiáng)。南寧KSB泵用機(jī)械密封件廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3144113.html</p></div></div></div></div></div><div id="nzn5rpn" class="page-right twoColRt"><div id="xtrftpn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zxlbxth" 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