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src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293921376953/5749071.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pys8kh3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293921376953/5749071.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qeyurtv" 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>南通離心泵密封銷售價(jià)格,封</p><p><span>***更新：</span>2020-10-28 04:13:29</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="xbikwsz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機(jī)械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚(yáng)民營(yíng)經(jīng)濟(jì)產(chǎn)業(yè)園</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="m2blcum" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="c3mo7dm" class="box"><p><p> 摩擦副材料在兩種特殊情況下的選用: </p> <p> 對(duì)連續(xù)運(yùn)轉(zhuǎn)的設(shè)備,介質(zhì)內(nèi)若含有較多的固體顆粒，南通離心泵密封銷售價(jià)格,此時(shí)選用“硬對(duì)硬”結(jié)構(gòu)較好, 在實(shí)際應(yīng)用中選了YG6- YG6, 一般連續(xù)運(yùn)轉(zhuǎn)壽命在800Oh以上; </p> <p> 對(duì)間歇性的運(yùn)轉(zhuǎn)設(shè)備,摩擦副選用碳化鎢或碳化硅對(duì)特種石墨。 </p> <p> 對(duì)金屬波紋管部分進(jìn)行適當(dāng)?shù)臒崽幚砟芟附訋?lái)的殘余應(yīng)力,以避免長(zhǎng)期運(yùn)行過(guò)程中產(chǎn)生疲勞破裂. </p> <p> 由于在低溫條件下,摩擦副端面的氣化對(duì)機(jī)械密封性能影響很大，南通離心泵密封銷售價(jià)格,除選取較適合的材料外,合理選取端面比壓,主要是波紋管的壓縮量,一般比通常使用中所給的壓縮量大15%～30%為宜。在機(jī)械密封元件靠近大氣側(cè)通入25℃左右的冷卻水,以改善摩擦副潤(rùn)滑環(huán)境。機(jī)械密封是依靠彈性元件對(duì)動(dòng)，南通離心泵密封銷售價(jià)格、靜環(huán)斷面的預(yù)緊力來(lái)對(duì)軸向端面進(jìn)行密封的，又稱為端面密封。南通離心泵密封銷售價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通離心泵密封銷售價(jià)格,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293921376953/5749071.jpg"></div><p> 離心泵用機(jī)械密封檢修中的幾個(gè)誤區(qū) </p> <p> 彈簧壓縮量越大密封效果越好其實(shí)不然，彈簧壓縮量過(guò)大，可導(dǎo)致摩擦副急劇磨損，瞬間燒損;過(guò)度的壓縮使彈簧失去調(diào)節(jié)動(dòng)環(huán)端面的能力，導(dǎo)致密封失效。2、動(dòng)環(huán)密封圖越緊越好其實(shí)動(dòng)環(huán)密封圈過(guò)緊有害無(wú)益。一是加劇密封圈與軸套間的磨損，過(guò)于早漏;二是增大了動(dòng)環(huán)軸向調(diào)整、移動(dòng)的阻力，在工況變化頻繁時(shí)無(wú)法適時(shí)進(jìn)行調(diào)整;三是彈簧過(guò)度疲憊易損壞;四是使動(dòng)環(huán)密封圈變形，影響密封效果。 3、靜環(huán)密封圈越緊越好靜環(huán)密封圈基本處于靜止?fàn)顟B(tài)，相對(duì)較緊密封效果會(huì)好些，但過(guò)緊也是有害的。一是引起靜環(huán)密封因過(guò)度變形，影響密封效果;二是靜環(huán)材質(zhì)以石墨居多，一般較脆，過(guò)度受力極易引起碎裂;三是安裝、拆卸困難，極易損壞靜環(huán)。常州離心泵密封銷售價(jià)格機(jī)械密封所能承受的壓力是有限度的，由于測(cè)算不準(zhǔn)，造成密封腔內(nèi)的壓力超過(guò)機(jī)械密封承受的壓力而產(chǎn)生泄漏。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通離心泵密封銷售價(jià)格,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg"></div><p> 有害介質(zhì)時(shí)為了取得更好的密封效果，采用雙重密封，根據(jù)密封液系統(tǒng)壓力可分為有壓雙封(雙端面機(jī)械密封)和無(wú)壓雙封(串聯(lián)式機(jī)械密封)。 </p> <p> 有壓雙封密封液系統(tǒng)的壓力一般要比一級(jí)密封前的壓力高0.01-0.03MPa。這樣一級(jí)密封泄漏時(shí)，密封液會(huì)進(jìn)入泵內(nèi)，確保了泵內(nèi)介質(zhì)不會(huì)泄漏到外界。由于密封液進(jìn)入泵內(nèi)，密封液系統(tǒng)壓力、液位降低，可以實(shí)現(xiàn)密封的泄漏監(jiān)測(cè)和報(bào)警。 </p> <p> 無(wú)壓雙封密封系統(tǒng)內(nèi)的壓力一般為常壓或微壓，低于一級(jí)密封前的密封腔壓力。當(dāng)一級(jí)密封泄漏時(shí)，泵內(nèi)介質(zhì)會(huì)進(jìn)人密封液系統(tǒng)，導(dǎo)致密封液系統(tǒng)的壓力和液位升高，可以通過(guò)壓力開(kāi)關(guān)或液位開(kāi)關(guān)實(shí)現(xiàn)泄露監(jiān)測(cè)和報(bào)警。通過(guò)密封液系統(tǒng)來(lái)監(jiān)測(cè)雙端面機(jī)械密封失效與否，也是其區(qū)別于單端面機(jī)械密封**主要的形式之一。 </p> <p> <br /> </p><p style="text-indent:25px">液態(tài)烴介質(zhì)是一種低溫液化氣體，具有低沸點(diǎn)、低粘度、高蒸汽壓等特性。在這種工況下應(yīng)用的機(jī)械密封，會(huì)使密封材料出現(xiàn)冷脆性，大氣中的水汽會(huì)在密封裝置的大氣側(cè)面上凍結(jié)，摩擦副端面液膜容易汽化等。尤其是當(dāng)介質(zhì)稍有泄漏，漏出的液態(tài)烴在大氣側(cè)立即汽化，帶走大量熱，機(jī)械密封環(huán)境溫度急劇下降，使用一般的密封材料，如橡膠或聚四氟乙烯普遍變脆，導(dǎo)致密封失效，泄漏增大而不可收拾。有些企業(yè)采用雙端面l機(jī)械密封，在介質(zhì)和大氣端設(shè)一隔離室，其間通以封油以緩和低溫的影響。但這種結(jié)構(gòu)復(fù)雜且需配封液系統(tǒng)。據(jù)經(jīng)驗(yàn)，使用波紋管機(jī)械密封比較好，主要表現(xiàn)在用屬波紋管和柔性石墨代并輔助密封圈，解決了密封圈材料發(fā)生冷脆而失彈及緩沖作用的問(wèn)題，如DBM型、YH604/606/609型等。橡塑密封件的作用使它成為**、化工、石油、煤炭、交通運(yùn)輸和機(jī)械制造等國(guó)民經(jīng)濟(jì)主要行業(yè)中的基礎(chǔ)部件.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通離心泵密封銷售價(jià)格,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg"></div><p> 水泵出現(xiàn)滲水的部位主要是兩個(gè)部分，一是水泵的軸承密封件，一般此處漏是從水泵的溢流孔流出，此時(shí)需要更換水泵；二是水泵的也發(fā)動(dòng)機(jī)結(jié)合部件的密封件，這里可以單獨(dú)更換此零件（提醒大家要注意避免“小病大治”）。 </p> <p> 水泵滲漏的原因：由于水泵設(shè)計(jì)原因，水泵軸承收到側(cè)面單邊力量過(guò)大，也就是皮帶輪側(cè)偏心力大，容易導(dǎo)致水泵軸承偏磨；加之大家平時(shí)急加速的和急收油等加速皮帶對(duì)水泵軸承的沖擊（這是從用的角度出發(fā)）；內(nèi)部缺水，水泵軸承得不到冷卻液的潤(rùn)滑，也會(huì)導(dǎo)致密封件損壞（這是從養(yǎng)的角度出發(fā)）；防凍液長(zhǎng)時(shí)間不更換，雜質(zhì)增加加速磨損（同樣也是養(yǎng)的問(wèn)題）；動(dòng)密封類有哪些？答：皮碗、漲圈、螺旋、氣動(dòng)、水力、離心、填料、迷宮、機(jī)械密封等。蘇州單級(jí)泵密封哪家質(zhì)量好</p><p style="text-indent:25px">因端面密封載荷的存在，在密封腔缺乏液體時(shí)啟動(dòng)泵而發(fā)生干摩擦。南通離心泵密封銷售價(jià)格</p><p> 隨著時(shí)代的高速發(fā)展，對(duì)石油資源的需求量不斷增加，石油煉廠的生產(chǎn)任務(wù)越來(lái)越重。泵用機(jī)械在石油煉廠生產(chǎn)過(guò)程中發(fā)揮著非常重要的作用，但在其實(shí)際運(yùn)行過(guò)程中，其機(jī)械密封往往會(huì)出現(xiàn)各種問(wèn)題，不僅影響機(jī)械的正常使用，還容易導(dǎo)致安全問(wèn)題的發(fā)生。文章對(duì)石油煉廠常用機(jī)械密封的設(shè)計(jì)改進(jìn)與應(yīng)用進(jìn)行分析，希望對(duì)中國(guó)石油煉化事業(yè)的發(fā)展起到積極的促進(jìn)作用。 </p> <p> 機(jī)械密封在流體機(jī)械中發(fā)揮著非常重要的作用，可以有效防止機(jī)械內(nèi)部的介質(zhì)流出泵外。其運(yùn)行情況，對(duì)泵用機(jī)械運(yùn)行的穩(wěn)定性有著非常直接的影響，在石油煉化生產(chǎn)過(guò)程中，發(fā)揮著非常重要的作用。各種流體機(jī)械在化工生產(chǎn)中，有著非常明顯的應(yīng)用，隨著石油煉化技術(shù)的高速發(fā)展，流體機(jī)械的應(yīng)用參數(shù)水平也在不斷提高，對(duì)機(jī)械性能要求也在不斷提高，轉(zhuǎn)軸密封的作用非常突出。我國(guó)對(duì)機(jī)械密封的研究開(kāi)始較晚，從上個(gè)世紀(jì)80 年代，機(jī)械密封在石油煉化產(chǎn)業(yè)中才開(kāi)始得到大規(guī)模的應(yīng)用。南通離心泵密封銷售價(jià)格</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司是一家漣水創(chuàng)密機(jī)械制造有限公司產(chǎn)品包括:輕型密封、中型密封、重型密封，廣泛應(yīng)用于石油、化工、電力、造紙，食品，機(jī)械密封件來(lái)料加工（塑料機(jī)械密封件除外）、銷售；機(jī)械配件、汽車配件銷售；自營(yíng)和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。創(chuàng)密機(jī)械制造作為漣水創(chuàng)密機(jī)械制造有限公司產(chǎn)品包括:輕型密封、中型密封、重型密封，廣泛應(yīng)用于石油、化工、電力、造紙，食品，機(jī)械密封件來(lái)料加工（塑料機(jī)械密封件除外）、銷售；機(jī)械配件、汽車配件銷售；自營(yíng)和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，的企業(yè)之一，為客戶提供良好的輕型密封，中型密封，重型密封，小型水泵。創(chuàng)密機(jī)械制造致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。創(chuàng)密機(jī)械制造始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使創(chuàng)密機(jī)械制造在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1738691.html</p></div></div></div></div></div><div id="dx78oqs" class="page-right twoColRt"><div id="2xo7bt8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qprjizw" 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