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clearfix"><h1>湖南高溫泵用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="v7ctfb8" class="proBig"><div id="h28873l" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990554648437/1913587.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lz8vo8p" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990554648437/1913587.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ljkb8oh" 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>湖南高溫泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2020-08-28 02:19:12</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zcyugcd" 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="h7ypgh8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="umnja8e" class="box"><p><p> 泵吸入口處和葉片背面等處聚集氣體會(huì)導(dǎo)致流阻阻力增大甚至斷流，繼而使工況惡化，必需汽蝕量增加，氣體密度小，比容大，可壓縮性大，流變性強(qiáng)，離心力小，轉(zhuǎn)換能量性能差是引起泵工況惡化的主要原因。試驗(yàn)表明，當(dāng)液體中的氣量（體積比）達(dá)到3%左右時(shí)，泵的性能將出現(xiàn)陡降，當(dāng)入口氣體達(dá)20%～30%時(shí)，泵完全斷流。離心泵允許含氣量（體積比）極限小于5%。葉輪形式因?yàn)槭沂瘽{液中含有氯離子(20000～60000)X10-6，湖南高溫泵用機(jī)械密封，pH值～7之間，濃度20%～35%之間，高達(dá)60%。脫硫泵的過流部件，必須選擇具有抗磨損和抗腐蝕的材料，(公眾號(hào):泵管家)有襯膠、襯陶瓷、全金屬合金等材質(zhì)。脫硫泵一般采用懸臂式單級(jí)單吸離心泵，比轉(zhuǎn)速一般在250～350。葉輪可按照一般離心泵的方法設(shè)計(jì)，分閉式葉輪、開式葉輪等，湖南高溫泵用機(jī)械密封。考慮到電廠需要比較長的連續(xù)運(yùn)行時(shí)間，故對泵的汽蝕和效率都有一定的要求。一般帶背葉片，降低密封腔壓力，降低磨損。由于介質(zhì)有強(qiáng)腐蝕性,葉輪的防腐措施：1.使用高分子材料包覆葉輪，可以保護(hù)葉輪不受腐蝕2.使用特種金屬制成3.使用高分子材料制作葉輪，湖南高溫泵用機(jī)械密封。目前國際上常用的是高分子材料包覆葉輪，具有非常好的耐磨耐腐蝕性。采用可調(diào)軸承座使軸向位置可調(diào)節(jié)。內(nèi)蒙古福斯泵用機(jī)械密封型號(hào)。湖南高溫泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南高溫泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990554648437/1913587.png"></div><p> 西德EKATO公司的RD13、RD23、RD200ST和日本炭研精工的2K07T型都是上裝式密封，它們用于PTA、聚乙烯和聚丙烯裝置.上裝式釜用機(jī)械密封的典型結(jié)構(gòu)如圖10-1所示，這是EKATO公司RD200ST型釜用密封的結(jié)構(gòu)圖.這種密封是雙端面帶水冷來套的密封結(jié)構(gòu)，適用操作溫度為130~180℃.如果操作溫度在130℃以下，可以不用水冷夾套，而用上部冷卻風(fēng)扇(圖3-38)，當(dāng)操作溫度至300~400℃時(shí)，必須采用底部帶法蘭冷卻器(圖10-2)的結(jié)構(gòu)，這里法蘭冷卻器起了熱阻擋層的作用.在安裝冷卻水管線時(shí)，要注意冷卻水出口管線與漏斗間高度至少在200mm以上，出口處水的溫度應(yīng)低于40~50℃。有關(guān)釜用密封的密封液貯罐及壓力平衡裝置見第七章第二節(jié)壓力裝置.聚丙烯裝置第1號(hào)、2號(hào)反應(yīng)釜用攪拌器的機(jī)械密封如圖10-3所示.三、底裝式釜用機(jī)械密封反應(yīng)釜底部傳動(dòng)的攪拌器用的機(jī)械密封是一種特殊結(jié)構(gòu)，因?yàn)槊芊馍喜恳c產(chǎn)品接觸，所以工作條件更為苛刻.底裝式釜用機(jī)械密封的要求:1.在結(jié)構(gòu)上做到不使攪拌釜內(nèi)沉積在底部的固體介質(zhì)與機(jī)械密封相接觸;2.當(dāng)密封失效時(shí)，不必排除釜內(nèi)液休也能卸除機(jī)械密封進(jìn)行維修工作，能快速更換，并能在反應(yīng)釜帶壓下進(jìn)行更換機(jī)械密封，還要求在不拆除笨重的傳動(dòng)機(jī)構(gòu)情況下。通化泵用機(jī)械密封尺寸綿陽渣漿泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南高溫泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990492705078/8878366.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> 或殼體）的配合公差；?防轉(zhuǎn)銷與孔的配合公差。釜用機(jī)械密封零件公差與配合基本與上述相同。根據(jù)反應(yīng)釜攪拌軸的偏擺和振動(dòng)較大的特點(diǎn)，動(dòng)環(huán)內(nèi)徑尺寸一般比軸徑大1mm，其尺寸為d+1，同樣，靜環(huán)內(nèi)徑尺寸相應(yīng)應(yīng)比軸徑加大2~4mm，其尺寸為d+（2~4）。表9-1、表9-2列出機(jī)械密封常用尺寸公差數(shù)值。二、機(jī)械密封主要零件的技術(shù)要求1動(dòng)、靜環(huán)的形位公差與表面光潔度圖9-2為幾種典型的機(jī)械密封動(dòng)、靜環(huán)零件圖，圖中表示了關(guān)鍵部位的形位公差與表面光潔度。密封端面是機(jī)械密封的關(guān)鍵部位，其平面度要求≤，其表面粗糙度對于硬質(zhì)材料一般要求為Ra≤，軟質(zhì)材料為Ra≤。其中平面度及垂直度公差見表9-3。2彈簧的技術(shù)要求機(jī)械密封一般情況下采用圓柱螺旋壓縮彈簧，根據(jù)機(jī)械密封使用特點(diǎn)，壓縮彈簧的主要技術(shù)要求為：彈簧產(chǎn)品圖樣應(yīng)包括線徑、中徑（外徑）、自由高度、工作高度、工作負(fù)荷、彈簧剛度、有效圈數(shù)、總?cè)?shù)、材料等主要技術(shù)參數(shù)。彈簧在工作高度（推薦選用自由高度的67%±5%為工作高度）的負(fù)荷數(shù)值一般應(yīng)在試驗(yàn)負(fù)荷的62%~72%之間。注：測定彈簧特性時(shí)，以彈簧壓并高度時(shí)負(fù)荷數(shù)值作為試驗(yàn)負(fù)荷數(shù)值。彈簧在工作高度時(shí)的工作負(fù)荷F的極限偏差按表9-4的規(guī)定。彈簧外徑D2。德陽循環(huán)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="湖南高溫泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990514443359/8565359.png"></div><p> 或內(nèi)徑D1)的極限偏差按表9-5的規(guī)定。彈簧自由高度Ho的極限偏差按表9-6的規(guī)定。彈簧在壓縮到全變形量的10%時(shí)，其正常節(jié)距圈不應(yīng)接觸。兩端面經(jīng)過磨削的彈簧，在自由狀態(tài)下，彈簧軸心線對兩端面的垂直度偏差<。兩端面并緊并磨平的彈簧，支承圈磨平部分大于或等于3/4圈。其表面粗糙度Ra為，端頭厚度不小于d/8。彈簧表面應(yīng)光滑，不得有裂紋、起刺等肉眼可見的有害缺陷.近幾年很多引進(jìn)機(jī)械密封使用了波形彈簧，其中纏繞式波型彈簧用量較多。纏繞式波形彈簧結(jié)構(gòu)見圖9-3，其具有強(qiáng)度高、柔性好、結(jié)構(gòu)形式緊湊、安裝空間小等優(yōu)點(diǎn)。它是用專用纏繞彈簧設(shè)備加工的，纏繞式波型彈簧技術(shù)要求如下:纏繞式波型彈簧的波峰應(yīng)呈圓弧形，不允許出現(xiàn)平頂或尖頂。多層纏繞式波型彈簧相鄰上下層的波峰及波谷要對齊.圓周方向角度錯(cuò)位不大于5°。多層纏繞式波型彈簧相鄰上下層的徑向錯(cuò)邊不大于。纏繞式波型彈簧內(nèi)外徑尺寸偏差應(yīng)符合表9-7的規(guī)定。纏繞式波形彈簧自由高度尺寸偏差應(yīng)符合表9-8、表9-9的規(guī)定。纏繞式波形彈簧必須經(jīng)過消除應(yīng)力處理。殘余變形不應(yīng)超時(shí)(單片波型彈簧小于)。同一個(gè)纏繞式波形彈簧各波高度差應(yīng)不超過表9-10及表9-11的規(guī)定(多層纏繞式波型彈簧僅指中間層的各波高度)。遵義渣漿泵用機(jī)械密封廠家。湖南高溫泵用機(jī)械密封</p><p style="text-indent:25px">貴陽格蘭富泵用機(jī)械密封廠家。湖南高溫泵用機(jī)械密封</p><p> 如油渣泵、回?zé)捰捅?、常減壓塔底泵等常見的失效現(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）在超過許用溫度后，將會(huì)迅速老化、龜裂、變硬失彈。現(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）過大等,都會(huì)縮短機(jī)械密封的使用壽命。對常用的材料，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。湖南高溫泵用機(jī)械密封</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，是一家擁有51~100人優(yōu)秀員工的企業(yè)。公司業(yè)務(wù)分為機(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，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供優(yōu)質(zhì)的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備優(yōu)質(zhì)品牌。張家港博格曼憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1065724.html</p></div></div></div></div></div><div id="qovrnea" class="page-right twoColRt"><div id="jbxjvws" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sgx3yuq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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