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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>?薊州區(qū)凱泉泵用機(jī)械密封件廠伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="8wdim7q" class="leftbox clearfix"><h1>薊州區(qū)凱泉泵用機(jī)械密封件廠伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="rbdk7q8" class="proBig"><div id="ut22z8p" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181789541015/3812583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z8lwlp8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181789541015/3812583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="utn77hg" 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>薊州區(qū)凱泉泵用機(jī)械密封件廠,泵用機(jī)械密封件</p><p><span>***更新：</span>2021-01-21 01:10:53</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="etlyqx2" 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="lamovhb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="croqsu8" class="box"><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)樵诘蜏叵拢@種沖洗管線內(nèi)液體會(huì)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，薊州區(qū)凱泉泵用機(jī)械密封件廠。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，薊州區(qū)凱泉泵用機(jī)械密封件廠.(2)一級(jí)葉輪位于底部，薊州區(qū)凱泉泵用機(jī)械密封件廠，通過增減柱形筒體的長度(圖10-19中的葉輪只列出二級(jí)，實(shí)際有十多級(jí))，.來適應(yīng)葉輪級(jí)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。銅仁襄樊五二五泵用機(jī)械密封件廠家。薊州區(qū)凱泉泵用機(jī)械密封件廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="薊州區(qū)凱泉泵用機(jī)械密封件廠,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330181789541015/3812583.png"></div><p> 比YG6大1倍多，為／℃（10～500℃時(shí)）。這兩點(diǎn)決定了耐熱沖擊性能不如YG6好。正因?yàn)榫€膨脹系數(shù)較大，和馬氏體不銹鋼接近（10～500℃時(shí)為11X10-6／℃），為和環(huán)座焊接提供了有利條件。焊接時(shí)需在環(huán)和座之間鋪放一層鎳基粉末，置于真空電阻爐中，經(jīng)1100℃高溫熔焊，然后進(jìn)行回火處理，以消除焊接應(yīng)力。由于是焊接的密封環(huán)，硬質(zhì)合金環(huán)的厚度可以比YG6薄，毛坯的厚度也只有3～3．5mm。以因密度小，是YG6的一半（7~），因此，可節(jié)約貴重金屬，價(jià)格較低。這種合金的牌號(hào)為CN15，其中Cr3C285%，Ni為15%，由北京硬質(zhì)合金廠研制成功。熱裝式密封環(huán)以其性能***應(yīng)用，但過盈量過大則硬質(zhì)合金在較大擠壓應(yīng)力作用下產(chǎn)生變形；過盈量過小，使用時(shí)會(huì)松脫。經(jīng)長期觀察分析，熱裝式密封環(huán)松脫主要是由于環(huán)座和硬質(zhì)合金環(huán)兩者線膨脹純利系數(shù)的差別，工作出現(xiàn)間隙。由此可見，熱裝式密封環(huán)失效的根本原因主要有二：一是過盈值小，三是環(huán)座材料選擇不當(dāng)，線膨脹系數(shù)太大。確定過盈值應(yīng)遵循的原則：1）從傳遞扭矩的角度考慮過盈值應(yīng)足夠大。2）從環(huán)的變形的角度考慮過盈值不可過大。綜合起來，在滿足環(huán)和座傳遞扭矩的情況下，取**小的過盈值。薊州區(qū)凱泉泵用機(jī)械密封件廠銅川襄樊五二五泵用機(jī)械密封件廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="薊州區(qū)凱泉泵用機(jī)械密封件廠,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182125224609/8492236.png"></div><p> 無壓燒結(jié)SiC?鎳基硬質(zhì)合金金屬件材料：?彈性元件常用材料：?彈簧：NS333（多彈簧），316L(單彈簧)?金屬波紋管：Inconel718（C型），NS333（B型）?金屬部件材料：?316L?備注：對(duì)于合金泵，機(jī)械密封的金屬件材料與泵過流部件等同，或者性能高于泵過流部件材料輔助密封材料：?機(jī)械密封輔助密封材料要求：彈性，耐蝕性，摩擦系數(shù)，耐溫，耐磨，機(jī)械性能（延伸，抗拉），加工性，抗化學(xué)性能（溶漲，溶解，變形，老化，污染）。?合成橡膠：丁腈橡膠（NBR）-丁二烯和丙烯晴共聚物-耐油;氟橡膠（FKM，VITON）-含氟烯烴共聚物-耐溫，耐油，耐蝕;乙丙橡膠（EPDM，EPM）-丙烯烴共聚物-耐溶劑，耐蒸汽;硅橡膠（Si）-二甲基硅烷與有機(jī)硅單體聚合物-熱穩(wěn)定性;氯丁橡膠（MPVQ，MVQ）-耐熱性，耐蝕性，耐臭氧性，耐侯性;全氟醚橡膠（FFKM，KALREZ）-全氟高聚彈性體-耐熱，耐蝕，抗老化;?聚四氟乙烯包覆橡膠/聚四氟乙烯（PTFE）-耐蝕;?柔性石墨（膨脹石墨）-耐蝕，耐高溫-一次性使用。</p><p> 填料密封已滿足不了要求;二是使用條件越來越苛刻，安全要求也越來越高，減少泄漏，防止污染環(huán)境的呼聲促使設(shè)計(jì)、生產(chǎn)部門采用機(jī)械密封;三是釜用機(jī)械密封的結(jié)構(gòu)不斷改進(jìn)以及與其配套的輔助裝置普遍得到采用，使密封效果更良好，從而節(jié)省了維修費(fèi)用.有人做過統(tǒng)計(jì)，盡管機(jī)械密封的凈購置費(fèi)用比填料密封高，但安裝使用之后，機(jī)械密封的維修費(fèi)用只占填料密封維修費(fèi)用的1/20，五年后總費(fèi)用，機(jī)械密封比填料密封低一半.一、釜用機(jī)械密封與泵用機(jī)械密封的區(qū)別1.釜用機(jī)械密封大多數(shù)為立式，少數(shù)為傾斜式，極個(gè)別為水平式.一般計(jì)算機(jī)械密封端面比壓都不考慮旋轉(zhuǎn)零件的自重.2.泵用機(jī)械密封的軸徑多數(shù)在100mm以下，而釜用機(jī)械密封的軸徑在100mm以上也很多.泵用機(jī)械密封的重量一般從幾百克到幾公斤，.而一套釜用機(jī)械密封的重量有時(shí)達(dá)幾百公斤到一千公斤以上。所以，在設(shè)計(jì)時(shí)要考慮安裝、檢修所需的起吊裝置.3.釜用機(jī)械密封的密封介質(zhì)多數(shù)為氣相.因此，釜用密封的端面比壓要比泵用密封的端面比壓高.4.釜用密封多數(shù)為雙端面、平衡型結(jié)構(gòu)，此外，為了安裝和檢修方便，也用剖分式結(jié)構(gòu)和易檢拆結(jié)構(gòu).二、上裝式釜用機(jī)械密封上裝式釜用密封應(yīng)用較廣，它占引進(jìn)的斧用機(jī)械密封95%以上.例如。武漢石家莊工業(yè)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="薊州區(qū)凱泉泵用機(jī)械密封件廠,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182248554687/4040785.png"></div><p> 纏繞式波形彈簧材料可選用SU302、SUS304、SUA631J1和SUSS632等，材料的化學(xué)成應(yīng)符合GB/T3280-2008、GB/T4238-2007的規(guī)定，材料的尺寸精度要按表9-12規(guī)定。扁帶材料外表光滑，無凹坑、劃傷、斷裂、裂縫和其他物理缺陷，邊緣為圓形。纏繞式波形彈簧工作負(fù)荷的允許偏差為該負(fù)荷的10%。各種類型纏繞式波形彈簧的疲勞性能應(yīng)符合表9-13要求。3形橡膠密封圈的技術(shù)要求由于橡膠是彈性材料，在負(fù)荷作用下發(fā)生變形，尤其是在壓力高的場(chǎng)合合下，會(huì)使密封圈擠入密封間隙，影響浮動(dòng)性而使密封失效。因此。要根據(jù)使用壓力合理選擇O形橡膠密封圈的硬度和其截面直徑。一般高壓時(shí)選擇硬度較高的密封圈.低壓時(shí)選擇硬度較低的密封圈。常用橡膠O形圈的硬度為邵氏70±5。制造機(jī)械密封用O形圈的模具分模面盡量避開內(nèi)外側(cè)及上下側(cè)的工作面，一般采用45°開模，以保證良好的密封性能。截面尺寸要均勻，其截面形狀參考圖，不得存在凹凸不平、氣泡、雜質(zhì)等缺陷。O形橡膠密封圈內(nèi)徑極限偏差見表9-14，截面直徑偏差見表915。O形橡膠密封圈產(chǎn)品非工作面上用標(biāo)記膠或油漆點(diǎn)表示膠料種類，標(biāo)記見表9-16。三明襄樊五二五泵用機(jī)械密封件選型。薊州區(qū)凱泉泵用機(jī)械密封件廠</p><p style="text-indent:25px">中山KSB泵用機(jī)械密封件廠家。薊州區(qū)凱泉泵用機(jī)械密封件廠</p><p> 密封液壓力平衡系統(tǒng)的壓力源由氮?dú)馄刻峁?。密封腔壓力固定控制在比釜?nèi)壓力高。為了適應(yīng)釜內(nèi)壓力的變化，機(jī)械密封下端面也應(yīng)采用平衡型結(jié)構(gòu)。四、液壓泵站密封液循環(huán)系統(tǒng)液壓泵站密封液循環(huán)系統(tǒng)與釜用機(jī)械密封組合型式見圖1一17。在高負(fù)荷的密封裝置中，應(yīng)采用液壓泵站密封液循環(huán)系統(tǒng)來強(qiáng)制密封液的冷卻循環(huán)。液壓泵站中密封液的壓力源由離心泵、齒輪泵或柱塞泵等提供。利用泵送壓力強(qiáng)迫密封液在密封腔內(nèi)循環(huán)。該系統(tǒng)還應(yīng)配合過濾器、冷卻器、儲(chǔ)能器、調(diào)節(jié)閥、壓力表等使用。調(diào)節(jié)好閥的壓力，使密封腔的壓力大于釜內(nèi)壓力。使用液壓泵站密封液循環(huán)系統(tǒng)的雙端面機(jī)械密封，下端面也必須采用平衡型結(jié)構(gòu)。除此之外，還有手壓泵增壓系統(tǒng)等型式。只有合理選用輔助系統(tǒng)，才能保證雙端面密封的使用。薊州區(qū)凱泉泵用機(jī)械密封件廠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2935120.html</p></div></div></div></div></div><div id="cwy29df" class="page-right twoColRt"><div id="uelifmb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="o7cj7v8" 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" 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