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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>IHF150-125-400機(jī)械密封,機(jī)械密封</p><p><span>***更新：</span>2020-12-28 07:13:18</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="gg2kkao" 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="4cigwuk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gm2q4go" class="box"><p><p> 機(jī)械密封是利用兩個(gè)平面互相摩擦運(yùn)行的原理，達(dá)到密封的目的。旋轉(zhuǎn)密封面安裝于液泵的主軸上，而固定密封面安裝于密封壓蓋內(nèi)。由于一個(gè)密封面是運(yùn)動(dòng)的，而另一個(gè)密封面是靜止不動(dòng)的，因此將這類(lèi)密封稱(chēng)之為動(dòng)態(tài)密封。旋轉(zhuǎn)面與靜止面之間的密封是決定密封性能關(guān)鍵的因素?；A(chǔ)的機(jī)械密封如圖1所示，其中有4個(gè)泄漏通路需要密封：1，IHF150-125-400機(jī)械密封.密封面之間的通路;2.旋轉(zhuǎn)面與主軸之間的通路;3.固定面與壓蓋之間的通路;4.壓蓋與填料盒之間的通路。后兩種泄漏通路一般采用靜態(tài)密封，因?yàn)閮刹糠种g不存在相對(duì)運(yùn)動(dòng)。這部分的密封通常都稱(chēng)之為三次密封，其密封材料為墊片或與工藝流程液體相適應(yīng)的O型密封圈。在較老的密封設(shè)計(jì)中，IHF150-125-400機(jī)械密封，位于旋轉(zhuǎn)面下的二次密封留有一定的間隙，可在主軸上前后運(yùn)動(dòng)，因此易于引起磨損和過(guò)早失效。然而在較新的密封設(shè)計(jì)中，二次密封處于靜止?fàn)顟B(tài)，因此可避免在主軸上出現(xiàn)磨損腐蝕問(wèn)題。在液泵的正常操作中，旋轉(zhuǎn)面和靜止面之間因填料盒中的液體所產(chǎn)生的壓力而使其保持在密封狀態(tài)，在起動(dòng)和停機(jī)時(shí)，IHF150-125-400機(jī)械密封，填料盒的壓力由彈簧產(chǎn)生的壓力維持(甚至可以由彈簧的壓力來(lái)代替)。大部分機(jī)械密封的設(shè)計(jì)采用較軟的材料來(lái)制作旋轉(zhuǎn)面，使其在較硬的靜止面上旋轉(zhuǎn)摩擦。多年來(lái)。江陰109-50機(jī)械密封件。IHF150-125-400機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="IHF150-125-400機(jī)械密封,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321487592958984/2482678.png"></div><p> 朝著同一個(gè)方向排列。這種密封的阻隔液體壓力一般低于液泵的壓力。實(shí)際上相當(dāng)于兩個(gè)密封、兩級(jí)降壓的聯(lián)合工作裝置。所有各類(lèi)型雙重密封裝置都需要阻隔液體系統(tǒng)。它們一般屬于外部的閉環(huán)系統(tǒng)，其內(nèi)部所使用的液體一般是不同的，但必須與工藝流程中的液體相匹配。該系統(tǒng)包括一個(gè)儲(chǔ)液槽，其位置應(yīng)盡量靠近密封。這些系統(tǒng)的設(shè)計(jì)變化范圍很大。有的系統(tǒng)在密封中采用一種泵環(huán)，而其它一些系統(tǒng)則采用熱虹吸效應(yīng)原理。儲(chǔ)液槽中的液體往往采用輔助加熱或輔助冷卻的方法。此外，還可以增加一個(gè)報(bào)警裝置，提醒工作人員及時(shí)更換液體。根據(jù)被密封液體的性質(zhì)，阻隔液體系統(tǒng)可采用低于或高于填料盒壓力進(jìn)行工作。為了使整個(gè)驅(qū)動(dòng)操作過(guò)程中達(dá)到零泄漏的目標(biāo)，密封行業(yè)還開(kāi)發(fā)了氣體阻隔密封，這類(lèi)密封采用氮?dú)獾纫活?lèi)的惰性氣體來(lái)代替液體阻隔系統(tǒng)。在采用氣體阻隔的雙重密封中，如果其密封面的內(nèi)部出現(xiàn)故障，所泄漏的只是惰性氣體，而其內(nèi)部的液體不會(huì)滲漏，從而不會(huì)造成環(huán)境污染。環(huán)境控制在許多應(yīng)用領(lǐng)域中，凡是安裝密封的地方，需要考慮到密封的可靠操作和控制環(huán)境，因此必須注意以下幾點(diǎn)：1.密封應(yīng)安裝于**度主軸上，并保持小偏差。盡管工業(yè)標(biāo)準(zhǔn)對(duì)密封面規(guī)定的大偏差為。IHF150-125-400機(jī)械密封錫山區(qū)橡膠波紋管機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="IHF150-125-400機(jī)械密封,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361852998047/9239385.png"></div><p> 典型故障，限流孔板堵塞，檢查管子末端溫度。4.沖洗方案13方案：從密封腔，通過(guò)限流孔板到泵的進(jìn)口的二次循環(huán)，立式泵的標(biāo)準(zhǔn)沖洗方案。原因：立式泵密封腔的不間斷排氣，密封腔除熱。場(chǎng)合：立式泵，密封腔壓力大于進(jìn)口壓力，混有中等大小的固體的常溫流體，非聚合流體。維護(hù)：?jiǎn)?dòng)立式泵之前，彎好排氣口管路，使用口徑小為，計(jì)算流量，以確定使機(jī)械密封腔流量充足的限流孔板尺寸，通過(guò)合適的限流孔板和喉部襯套的尺寸的確定來(lái)減少密封腔壓力，典型故障，限流孔板堵塞，檢查管子末端的溫度。5.沖洗方案14方案：從泵的出口沖洗機(jī)封，再循環(huán)到帶限流孔板的泵進(jìn)口，方案11和13的結(jié)合。原因：立式泵機(jī)封腔的連續(xù)排氣，密封腔除熱，增加密封腔的壓力和流體汽化的臨界空間。場(chǎng)合：立式泵，常溫、清潔非聚合流體。維護(hù)：使用口徑小為，計(jì)算流量，以確定使機(jī)械密封腔流量充足的限流孔板尺寸，通過(guò)合適的限流孔板和喉部襯套尺寸來(lái)確定增加沸點(diǎn)臨界范圍，沖洗密封面，啟動(dòng)立式泵之前，做好排氣管的彎曲。典型故障，限流孔板堵塞，檢查管子末端的溫度。6.沖洗方案21方案：從泵出口經(jīng)限流孔板和冷卻器沖洗機(jī)封，加到方案11的冷卻器，增加了除熱能力。原因：機(jī)封冷卻，降低流體溫度。</p><p> 機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。選型的主要參數(shù)有：密封腔體壓力(MPA)、流體溫度(℃)、工作速度(M/S)、流體的特性以及安裝密封的有效空間等。機(jī)械密封的種類(lèi)及其特點(diǎn)分析1、推壓型機(jī)械密封和非推壓型機(jī)械密封推壓型機(jī)械密封指輔助密封沿軸或軸套機(jī)械推壓來(lái)補(bǔ)償密封面磨損的機(jī)械密封，通常就是指彈簧壓緊式機(jī)械密封。非推壓型機(jī)械密封用于輔助密封固定在軸上的機(jī)械密封，通常為波紋管機(jī)械密封。推壓型機(jī)械密封和非推壓型機(jī)械密封特點(diǎn)的比較見(jiàn)下表。表推壓型機(jī)械密封和非推壓型機(jī)械密封特點(diǎn)推壓型密封非推壓型密封壓縮單元單彈簧或多彈簧金屬波紋管或橡膠波紋管軸的輔助密封動(dòng)態(tài)靜態(tài)商業(yè)用尺寸范圍13～508mm18～305mm溫度范圍-268℃～232℃-268℃～427℃壓力范圍特點(diǎn)尺寸范圍大高壓適宜于特殊設(shè)計(jì)適宜于采用特殊金屬零部件少固有的平衡型結(jié)構(gòu)靜環(huán)磨損后，動(dòng)環(huán)能自由前移高溫價(jià)格一般較低一般較高2、單端面機(jī)械密封、無(wú)壓雙重機(jī)械密封和有壓雙重機(jī)械密封單端面機(jī)械密封是只有一對(duì)摩擦副，結(jié)構(gòu)簡(jiǎn)單。江陰波紋管機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="IHF150-125-400機(jī)械密封,機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361597978516/3563835.png"></div><p> 通用的組合是利用碳材料作為旋轉(zhuǎn)面，使其在陶瓷靜止面上運(yùn)行。這類(lèi)材料目前仍在普遍使用，但靜止面則選用不銹鋼或更硬的材料制作，例如碳化鎢或碳化硅。不管采用什么材料，總之在接觸面之間必須保持一層液體薄膜，以起到潤(rùn)滑的作用。然而，在填料盒內(nèi)，采用彈簧負(fù)載和液體壓力相結(jié)合的方式，可以使密封面之間起到很好的密封作用。但密封壓力太高，則會(huì)影響接觸面之間形成液體薄膜，導(dǎo)致熱量增加和過(guò)早的磨損。如果密封壓力太低，接觸面之間的間隙增大，容易造成液體泄漏。密封制造廠正在不斷地努力提高接觸面的平直度，他們采用特殊的拋光板進(jìn)行研磨。然后，采用單色光源的光柵板對(duì)其檢測(cè)。從這一觀點(diǎn)出發(fā)，對(duì)這些密封接觸面必須小心處理，并嚴(yán)格按照安裝說(shuō)明，保證密封面得到適當(dāng)?shù)谋Ｗo(hù)和正確就位，這一點(diǎn)是非常重要的。密封的靈活性選擇主軸的軸向和徑向運(yùn)動(dòng)需要與彈簧之間保持一定的靈活性，以保證接觸面之間的密封。然而，只能提供一定程度的靈活性。液泵的機(jī)械狀況及其長(zhǎng)度直徑比(一種主軸的直徑與其延伸長(zhǎng)度之比的衡量方式，比值越低越好)對(duì)密封的可靠性起著重要的作用。密封的靈活性一般由一個(gè)大型主彈簧和一系列小彈簧或波紋密封裝置提供保證。江陰水泵機(jī)械密封件。IHF150-125-400機(jī)械密封</p><p style="text-indent:25px">新吳區(qū)橡膠波紋管機(jī)械密封件。IHF150-125-400機(jī)械密封</p><p> 化學(xué)工業(yè)所采用的傳統(tǒng)密封設(shè)計(jì)，其密封壓力施加于旋轉(zhuǎn)面上，這種密封稱(chēng)之為旋轉(zhuǎn)密封，因?yàn)閺椈苫虿y密封裝置與主軸一起旋轉(zhuǎn)。比較新穎的設(shè)計(jì)，其彈簧或波紋密封裝置安裝于靜止面上。在現(xiàn)在的機(jī)械密封上，上述兩種密封方式都有非常普遍的應(yīng)用，這樣對(duì)于安裝具有一定的靈活性。早期設(shè)計(jì)的許多機(jī)械密封采用單一的大型彈簧圍繞主軸排列，在液泵起動(dòng)過(guò)程中，可為密封面提供很強(qiáng)的密封力。密封的作用依靠主軸的旋轉(zhuǎn)來(lái)繃緊彈簧卷。采用多個(gè)較小的彈簧，可對(duì)密封面產(chǎn)生比較平均的負(fù)荷壓力，因此對(duì)堵塞具有更大的敏感性。后期設(shè)計(jì)的密封(見(jiàn)圖2)采用一系列較小的彈簧，排列于主軸的周?chē)蓪?duì)密封面產(chǎn)生比較均勻的負(fù)荷壓力。由于較小的彈簧可以事先安裝，因此大部分這類(lèi)密封完全與所泵的液體相隔離。金屬波紋管密封裝置一般應(yīng)用于腐蝕性較強(qiáng)的液體。對(duì)許多腐蝕性較強(qiáng)的應(yīng)用領(lǐng)域，通用的設(shè)計(jì)是采用金屬波紋管密封裝置。該波紋管由一系列的金屬圓盤(pán)焊接而成，形成一個(gè)防止?jié)B漏的波紋密封裝置(見(jiàn)圖3)。采用這一裝置可使密封面之間的密封壓力更加均勻，而且在密封面上不需要增加二次密封，這樣自然就不會(huì)產(chǎn)生任何腐蝕磨損現(xiàn)象。一般來(lái)說(shuō)，雖然其主要的密封壓力依賴(lài)于填料盒本身的壓力。IHF150-125-400機(jī)械密封</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2598579.html</p></div></div></div></div></div><div id="w24y44w" class="page-right twoColRt"><div id="2q4ccs4" class="box01 margin10 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