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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>湘潭M481釜用機(jī)械密封件大全,釜用機(jī)械密封件</p><p><span>***更新：</span>2020-12-30 00:24:08</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="dq37dj8" 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="8tkv8da" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7ahjhyu" class="box"><p><p> 機(jī)械密封的拆卸過(guò)程1.關(guān)閉設(shè)備，按正確的程序冷卻和卸壓；2.沒(méi)有介質(zhì)接觸密封。如必要時(shí)，將設(shè)備內(nèi)介質(zhì)排空。3.采取措施，防止疏忽時(shí)設(shè)備的啟動(dòng)。為了正確地分析機(jī)械密封損壞和失效的原因，集裝式密封在取下時(shí)或取下后不應(yīng)被拆卸和清洗。當(dāng)密封在操作中或帶壓的情況下對(duì)密封的任何操作都是不允許的。從設(shè)備上拆卸和取下密封的順序由設(shè)備的設(shè)計(jì)和設(shè)備制造商決定，貼圖解釋一下。下圖為時(shí)下當(dāng)***行的API682集裝密封若拆卸此密封，湘潭M481釜用機(jī)械密封件大全，一般流程為：1.安裝止動(dòng)墊片至圖紙位置，擰緊螺栓；2.松開扭矩傳遞環(huán)上的緊定螺釘；3.松掉沖洗接管，松開壓蓋上的緊固件；4.取出機(jī)械密封。機(jī)械密封的安裝安裝前的準(zhǔn)備工作1.檢驗(yàn)機(jī)械密封是否完好。2.檢查傳動(dòng)件和配合件；3.檢查傳動(dòng)銷、定位銷在孔或槽中的配合；4.檢查定位螺釘?shù)臓顩r；5.使用小彈簧機(jī)械密封時(shí)，應(yīng)檢查小彈簧的長(zhǎng)度和剛性是否相同；安裝方法隨機(jī)械密封型式、機(jī)器的種類不同而有所不同，但其安裝要領(lǐng)幾乎都相同，湘潭M481釜用機(jī)械密封件大全，湘潭M481釜用機(jī)械密封件大全。以下為普通機(jī)械密封的安裝（非集裝密封）。安裝步驟和注意事項(xiàng)如下：⑴位置的確定安裝機(jī)械密封的工作長(zhǎng)度根據(jù)總裝圖要求。彈簧的壓縮量取決于彈簧座在軸上的定位尺寸。在確定其安裝位置之前。黃岡FMY212釜用機(jī)械密封件。湘潭M481釜用機(jī)械密封件大全</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湘潭M481釜用機(jī)械密封件大全,釜用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637334301588554687/5335877.png"></div><p> 允許含有顆粒和析出固體結(jié)晶物。輔助密封圈為氟橡膠時(shí),可承受較高的介質(zhì)溫度(200°C),但為了保證旋轉(zhuǎn)環(huán)和靜止環(huán)鑲裝的可靠性,推薦使用溫度不超過(guò)150°C。機(jī)械密封型號(hào):GX型■:適用范圍□壓力:0~□溫度:0~80°C□轉(zhuǎn)速:≤3000r/min□軸徑:25~100mm□介質(zhì):1GX機(jī)油、汽油;2GX弱酸、弱堿;3GX等少量顆粒雜質(zhì)?！跣问教攸c(diǎn):GX型為內(nèi)裝、單端面、套轉(zhuǎn)動(dòng)、非平衡型。機(jī)械密封型號(hào):GY型■:適用范圍□壓力:~4MPa□溫度:0~80°C□轉(zhuǎn)速:≤3000r/min□軸徑:25~100mm□介質(zhì):1GY機(jī)油、汽油;2GY弱酸、弱堿;3GY等少量顆粒雜質(zhì)?！跣问教攸c(diǎn):GY型為內(nèi)裝、單端面、套轉(zhuǎn)動(dòng)、非平衡型。機(jī)械密封型號(hào):U(UK)型■:適用范圍□壓力:0~4MPa□溫度:介質(zhì)為水時(shí),0~66°C其他介質(zhì)時(shí),-73~204°C□轉(zhuǎn)速:≤3000r/min□介質(zhì):油、渣油、水及各種有機(jī)溶劑?！跣问教攸c(diǎn):內(nèi)裝式、單彈簧、平衡型、傳動(dòng)銷傳動(dòng)的;旋轉(zhuǎn)環(huán)密封圈采用U型密封圈,自緊性能好,密封可靠,性能穩(wěn)定,可根據(jù)不同的工況條件需要選擇不同的材料、不同磨擦副材料和結(jié)構(gòu)。同時(shí)可根據(jù)AP1610標(biāo)準(zhǔn)來(lái)冷卻和沖洗。機(jī)械密封型號(hào):WB2型■:適用范圍□壓力:0~□溫度:0~150°C□轉(zhuǎn)速:≤3000r/min□介質(zhì):強(qiáng)酸、無(wú)顆粒介質(zhì)?！跣问教攸c(diǎn):多裝多彈簧、四氟波紋管型。湘潭M481釜用機(jī)械密封件大全薊州區(qū)反應(yīng)釜用機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湘潭M481釜用機(jī)械密封件大全,釜用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637334301446953125/9642492.png"></div><p> 三是安裝、拆卸困難，極易損壞靜環(huán)。誤區(qū)四：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(méi)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(guò)長(zhǎng)等都會(huì)導(dǎo)致軸間泄漏。鎖母鎖緊過(guò)度只會(huì)導(dǎo)致軸間墊過(guò)早失效，相反適度鎖緊鎖母，使軸間墊始終保持一定的壓縮彈性，在運(yùn)轉(zhuǎn)中鎖母會(huì)自動(dòng)適時(shí)鎖緊，使軸間始終處于良好的密封狀態(tài)。誤區(qū)五：新的比舊的好？！相對(duì)而言，使用新機(jī)械密封的效果好于舊的，但新機(jī)械密封的質(zhì)量或材質(zhì)選擇不當(dāng)時(shí)，配合尺寸誤差較大會(huì)影響密封效果；在聚合性和滲透性介質(zhì)中，靜環(huán)如無(wú)過(guò)度磨損，還是不更換為好。因?yàn)殪o環(huán)在靜環(huán)座中長(zhǎng)時(shí)間處于靜止?fàn)顟B(tài)，使聚合物和雜質(zhì)沉積為一體，起到了較好的密封作用。誤區(qū)六：拆修總比不拆好？！一旦出現(xiàn)機(jī)械密封泄漏便急于拆修，其實(shí)，有時(shí)密封并沒(méi)有損壞，只需調(diào)整工況或適當(dāng)調(diào)整密封就可消除泄漏。這樣既避免浪費(fèi)又可以驗(yàn)證自己的故障判斷能力，積累維修經(jīng)驗(yàn)提高檢修質(zhì)量。</p><p> 機(jī)械密封實(shí)現(xiàn)的原理如圖所示：軸通過(guò)傳動(dòng)座（6）和推環(huán)（4），帶動(dòng)動(dòng)環(huán)（2）旋轉(zhuǎn)，靜環(huán)(1)固定不動(dòng)，依靠介質(zhì)壓力和彈簧力使動(dòng)靜環(huán)之間的密封端面緊密貼合，阻止了介質(zhì)的泄漏。摩擦副表面磨損后，在彈簧（5）的推動(dòng)下實(shí)現(xiàn)補(bǔ)償。為了防止介質(zhì)通過(guò)動(dòng)環(huán)與軸之間泄漏，裝有動(dòng)環(huán)密封圈（3）；而靜環(huán)密封圈（7）則阻止了介質(zhì)沿靜環(huán)和壓蓋（8）之間的泄漏。長(zhǎng)期的實(shí)踐證明，輔助設(shè)施的作用不可忽視。從國(guó)外進(jìn)來(lái)的泵，在提供的機(jī)械密封圖紙上，不僅有密封結(jié)構(gòu)圖，而且在這張圖上明確地畫出了輔助設(shè)施的安裝圖，并注明輔助設(shè)施的種類和數(shù)量。國(guó)內(nèi)的制造廠有的開始注意這個(gè)問(wèn)題；有的還沒(méi)認(rèn)識(shí)，這是不應(yīng)該的。輔助設(shè)施不僅起冷卻和潤(rùn)滑作用，還可改善密封的工作環(huán)境，從而減少泄漏量和延長(zhǎng)使用壽命。因此有人把輔助設(shè)施看作是機(jī)械密封的組成部分。無(wú)疑，這一觀點(diǎn)將被越來(lái)越多的人接受。機(jī)械密封被應(yīng)用于各種旋轉(zhuǎn)機(jī)械的軸封，工況不同，使用的密封也不同。機(jī)械密封按使用條件可分為高速和普通機(jī)械密封；高壓和低壓機(jī)械密封；高溫、常溫和低溫機(jī)械密封；泵用、壓縮機(jī)用和釜用機(jī)械密封以及耐腐蝕機(jī)械密封和抗顆粒的機(jī)械密封等。通常都按機(jī)械密封的結(jié)構(gòu)和原理來(lái)分類。懷化205釜用機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湘潭M481釜用機(jī)械密封件大全,釜用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637334301474238281/2114319.png"></div><p> D—O型圈內(nèi)徑133mm，w—厚度4mm，ε—壓縮比，設(shè)計(jì)要求8~30%，Hs—材料硬度85～90(Shore)以上公式cm單位。代入數(shù)值驗(yàn)算后，密封圈壓縮量完全符合使用要求。通過(guò)應(yīng)力分析軟件，將所測(cè)量的O型圈的數(shù)據(jù)帶入該軟件，得出圖2分析圖，從圖2可以看出，該O型圈受力均勻。圖2O型密封圈應(yīng)力分析圖該機(jī)械密封的彈簧材料是60Si2Mn，壓縮量為5～8mm。機(jī)修人員在實(shí)際安裝時(shí)按照要求調(diào)整壓縮量，但無(wú)論取用多大壓縮量都不能起到有效密封作用【5】。假設(shè)其他主觀因素都已達(dá)到安裝要求，下面通過(guò)計(jì)算機(jī)械密封本身的性能參數(shù)，查找機(jī)械密封是否可能存在缺陷。彈簧材料為60Si2Mn（60硅錳）。這種材料具有抗沖擊性能好，但耐持久力不高，有增加表面脫碳和石墨化傾向的特點(diǎn)【6】。已知條件：彈簧材料直徑d=1mm，彈簧直徑（即中徑）D=4mm，彈簧外徑，彈簧內(nèi)徑,彈簧總?cè)?shù)，彈簧有效圈數(shù)，查表可得彈簧切變模量和彈性模量機(jī)封密封端外徑，密封端內(nèi)徑，外部載荷P=，彈簧總數(shù)N=24個(gè)代入下列計(jì)算公式【7】密封端面面積，工作載荷，其中P取大值單個(gè)彈簧的大工作載荷及壓縮長(zhǎng)度通過(guò)計(jì)算機(jī)封壓縮量為6mm，可以滿足設(shè)計(jì)要求為保證彈簧的穩(wěn)定性和可靠性，對(duì)該彈簧的靜強(qiáng)度進(jìn)行驗(yàn)算：彈簧指數(shù)。南昌FMY212釜用機(jī)械密封件。湘潭M481釜用機(jī)械密封件大全</p><p style="text-indent:25px">廈門207釜用機(jī)械密封件。湘潭M481釜用機(jī)械密封件大全</p><p> 脫氫氰酸塔釜液泵P-1l8，原選用PLAN11+PLAN52輔助密封沖洗方案，但是由于機(jī)封結(jié)構(gòu)和沖洗回路的缺陷，密封效果不盡人意，經(jīng)常出現(xiàn)劇毒介質(zhì)外漏的情況，不僅不符合HSE相關(guān)規(guī)范，還給環(huán)境和維護(hù)人員帶來(lái)一定的安全隱患。根據(jù)實(shí)際需要和相關(guān)標(biāo)準(zhǔn)，對(duì)比國(guó)內(nèi)相關(guān)裝置該位號(hào)機(jī)泵的密封沖洗方案，提出優(yōu)化運(yùn)行措施，解決了原來(lái)的機(jī)封機(jī)構(gòu)缺陷和沖洗弊端，保證了裝置的長(zhǎng)、穩(wěn)、滿、優(yōu)、安運(yùn)行。一、前言某大型石化公司先后建設(shè)了多套丙烯腈裝置，成為國(guó)內(nèi)主要丙烯腈生產(chǎn)基地。**新建設(shè)的丙烯腈裝置脫氫氰酸塔釜液泵P-l18，出口壓力～，工作溫度75℃，輸送介質(zhì)為含少量極度危害介質(zhì)的劇毒丙烯腈（沸點(diǎn)℃），介質(zhì)的特殊性質(zhì)決定了其零泄漏的基本工作工藝要求。二、故障現(xiàn)象P-118泵為國(guó)際**流體機(jī)械公司的進(jìn)口離心泵，原裝軸封選用約翰克蘭5620P型集裝機(jī)械密封，采用Plan11+PLAN52輔助密封沖洗方案（見圖1、圖2）。Plan11+Plan52方案，是串聯(lián)式機(jī)械密封，前一道密封靠泵送介質(zhì)本身去沖洗，后一道采用密封液沖洗，當(dāng)***道密封泄漏時(shí)，會(huì)泄漏到后面一道密封中，隨之Plan52虹吸罐中液位升高，壓力也隨之升高，壓力開關(guān)隨之報(bào)警，總之Plan52就是前面Plan11一道保護(hù)性的密封。湘潭M481釜用機(jī)械密封件大全</p></p><br /><p>文章來(lái)源地址: 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