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src="https://tyunfile.71360.com/UploadFile/lscmjx/637247297555068359/2614045.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iik7vpb" 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>南京容積泵密封生產(chǎn)企業(yè),封</p><p><span>***更新：</span>2021-01-15 00:16:40</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="ibyk2q9" 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="k7jq2oi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vzhjlnk" class="box"><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，南京容積泵密封生產(chǎn)企業(yè)。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，南京容積泵密封生產(chǎn)企業(yè)，南京容積泵密封生產(chǎn)企業(yè)，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題，如DBM型、YH604/606/609型等。機(jī)械密封的正常運(yùn)行必須具備以下條件：泵軸的竄量不能太大。南京容積泵密封生產(chǎn)企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京容積泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247297555068359/2614045.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密封前的壓力高0.01-0.03MPa。這樣一級密封泄漏時(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)測和報(bào)警。 </p> <p> 無壓雙封密封系統(tǒng)內(nèi)的壓力一般為常壓或微壓，低于一級密封前的密封腔壓力。當(dāng)一級密封泄漏時(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，可以通過壓力開關(guān)或液位開關(guān)實(shí)現(xiàn)泄露監(jiān)測和報(bào)警。通過密封液系統(tǒng)來監(jiān)測雙端面機(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 /> 南京計(jì)量泵密封市場批發(fā)價(jià)格軸承的嚴(yán)重磨損或損壞，使泵軸產(chǎn)生嚴(yán)重的軸向竄動(dòng)，也是機(jī)械密封泄漏的原因之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京容積泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293380048828/7808572.jpg"></div><p> 平衡和非平衡式密封 </p> <p> 機(jī)械密封的平衡對接觸面的密封壓力有很大影響。這一密封壓力取決于密封本身的有效截面以及填料盒內(nèi)的壓力。 </p> <p> <span style="font-size:12px;"> 非平衡型密封的旋轉(zhuǎn)面相反一側(cè)的截面完全暴露于填料盒的壓力范圍之下，這種情況會(huì)使密封面之間產(chǎn)生很高的密封壓力，從而會(huì)使工作溫度提高，加快磨損速度。在高溫工作條件下或液體具有較大腐蝕性和磨擦性的情況下，會(huì)極大降低機(jī)械密封的使用壽命。</span> </p> <p> <span style="font-size:12px;"> 對機(jī)械密封加以平衡，可降低密封壓力，延長密封的使用壽命。一般采用帶有臺(tái)階的主軸和軸套，降低旋轉(zhuǎn)面的有效截面，就可達(dá)到上述目的。不過千萬別將凈密封壓力調(diào)節(jié)到接近零的水平，因?yàn)檫@樣做的結(jié)果可能會(huì)造成密封面之間的工作狀況不穩(wěn)定，并可能會(huì)因突然的變故而將密封吹開。</span> </p> <p> <span style="font-size:12px;"> 解決這些密封問題的答案也許是采用非平衡式密封，對于某些服務(wù)來說，也許采用非平衡式密封能達(dá)到更好的效果。例如，在某些應(yīng)用領(lǐng)域，與密封的使用壽命相比，也許更強(qiáng)調(diào)對液體泄漏造成的安全性問題。在這種情況下，對密封的選用也許可理解為更希望選擇具有較高的密封壓力。同樣，在選用較冷液體的密封時(shí)，操作溫度的增加也許是微不足道的。</span> </p> <p> <br /> </p><p> 泵用機(jī)械密封種類繁多，型號各異，但泄漏點(diǎn)主要有五處： </p> <p> 軸套與軸間的密封； </p> <p> 動(dòng)環(huán)與軸套間的密封； </p> <p> 動(dòng)、靜環(huán)間密封； </p> <p> 對靜環(huán)與靜環(huán)座間的密封； </p> <p> 密封端蓋與泵體間的密封。 </p> <p> 現(xiàn)象:操作中密封發(fā)出爆裂聲（端面爆裂聲） </p> <p> 可能的原因:密封液在密封界面汽化加強(qiáng)密封面的冷卻 </p> <p> 解決方法:增加旁路沖洗管線（如果沒有的話）擴(kuò)大旁路沖洗管線和/或壓蓋上的開孔。 </p> <p> 現(xiàn)象:密封連續(xù)滴漏 </p> <p> 可能的原因:表面不平;石墨密封面起泡;密封面產(chǎn)生熱變形 </p> <p> 解決方法:在安裝過程中，輔助密封被劃傷O形圈老化，由于壓縮形變輔助密封變硬變脆由于化學(xué)作用輔助密封變軟變粘 </p> <p> 現(xiàn)象:彈簧失效 </p> <p> 可能的原因:由于腐蝕作用，金屬附件損壞，傳動(dòng)機(jī)構(gòu)被腐蝕 </p> <p> 解決方法:檢查不正確的安裝尺寸,檢查是否采用了不合適的材料和密封類型改進(jìn)沖洗冷卻管線,檢查是否出現(xiàn)壓蓋螺栓扭矩過大導(dǎo)致壓蓋變形,檢查壓蓋墊片的比壓是否合適，檢查密封面間有無其他固體顆粒，如需要時(shí)對密封面重新拋光。檢查密封面處的裂紋，更換主、配合密封環(huán)。 </p> <p> 現(xiàn)象:操作過程中，密封發(fā)出尖嘯聲 </p> <p> 可能的原因:密封處的潤滑液量不足 </p> <p> 解決方法:增加旁路沖洗管線（如果沒有的話）擴(kuò)大旁路沖洗管線和/或壓蓋上的開孔。軸彎曲變形時(shí)橫截面形心沿與軸線垂直方向的線位移稱為撓度，機(jī)械密封要求兩個(gè)密封端面之間受力均勻。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京容積泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293921376953/5749071.jpg"></div><p> 泵機(jī)械密封©水的故障是水泵故障中**容易出現(xiàn)的故障之一，所以水泵機(jī)械密封也屬于水泵部件中比較關(guān)鍵的易損件之一，水泵選型時(shí)機(jī)械密封材質(zhì)一定要能適合用戶輸送的液體介質(zhì)。 </p> <p> <p> 步驟/方法 </p> <p> 機(jī)械密封處滲©水的第一種可能性是機(jī)封的動(dòng)、靜環(huán)平面磨損。而造成機(jī)封的動(dòng)、靜環(huán)平面磨損的原因有六個(gè)方面：安裝過緊。觀察機(jī)械密封的動(dòng)靜環(huán)平面，如有嚴(yán)重?zé)宫F(xiàn)象，平面發(fā)黑和很深的痕跡，密封橡膠變硬，失去彈性，這種現(xiàn)象是由于安裝過緊造成的。處理辦法：調(diào)整安裝高度，葉輪安裝后，用螺絲刀拔動(dòng)彈簧，彈簧有較強(qiáng)的張力，松開后即復(fù)λ，有2-4MM的移動(dòng)距離即可。安裝過松。觀察機(jī)封動(dòng)、靜環(huán)平面，其表面有一層很薄的水垢，能夠擦去，表面基本無磨損，這是彈簧失去彈性及裝配不良造成，或電機(jī)軸向竄動(dòng)造成。水質(zhì)差含顆粒。由于水質(zhì)差，含有小顆粒及介質(zhì)中鹽酸鹽含量高，形成磨料磨損機(jī)封的平面或拉傷表面產(chǎn)生溝槽、環(huán)溝等現(xiàn)象。處理辦法：改進(jìn)水壓或介質(zhì)，更換機(jī)封。缺水運(yùn)行造成干磨損壞。 </p> <p> <br /> </p> 泵在停一段時(shí)間后再啟動(dòng)時(shí)泄漏，因?yàn)槟Σ粮备浇橘|(zhì)的凝固、結(jié)晶，摩擦副上有水垢、彈簧腐蝕、阻塞而失彈。南京計(jì)量泵密封市場批發(fā)價(jià)格</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。南京容積泵密封生產(chǎn)企業(yè)</p><p> 密封的靈活性選擇 </p> <p> 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)械狀況及其長度直徑比(一種主軸的直徑與其延伸長度之比的衡量方式，比值越低越好)對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。 </p> <p> <span style="font-size:12px;">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，這樣對于安裝具有一定的靈活性。</span> </p> <p> <span style="font-size:12px;">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)來繃緊彈簧卷。</span> 南京容積泵密封生產(chǎn)企業(yè)</p><p> 淮安市漣水創(chuàng)密機(jī)械制造有限公司是一家專業(yè)從事機(jī)械密封產(chǎn)品的開發(fā)、制造、銷售與一體化的企業(yè)。企業(yè)擁有國內(nèi)前列的工藝、專業(yè)的技術(shù)人員，先進(jìn)的生產(chǎn)設(shè)備和檢測手段。堅(jiān)持以科技為導(dǎo)向，建立了嚴(yán)格的產(chǎn)品質(zhì)量和管理保證體系，并按照國家和國際的相關(guān)標(biāo)準(zhǔn)以及用戶的特殊需求，生產(chǎn)質(zhì)量的機(jī)械密封產(chǎn)品，滿足了廣大用戶的需求。同時(shí)，企業(yè)致力于為用戶提供相關(guān)的技術(shù)咨詢，解決用戶使用中的疑難和關(guān)鍵，體現(xiàn)了企業(yè)的價(jià)值。 </p> <p> <br /> </p> <p> 企業(yè)生產(chǎn)的機(jī)械密封產(chǎn)品包括：輕型密封、中型密封和重型密封。產(chǎn)品品種齊全，被廣泛應(yīng)用于石油、化工、電力、造紙，食品等行業(yè)。由于產(chǎn)品密封性能好，經(jīng)久耐用，深受廣發(fā)用戶好評。 </p> <p> <span style="font-size:12px;"> 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