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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="a3kcu7f" class="twoCol"><div id="mqikhlp" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_bengtc/">泵</a>?<a href="http://www.cdcfah.com/cp/third-bengtc_bpjwp/">泵配件</a>?浙江計量泵密封生產(chǎn)企業(yè) 來電咨詢漣水創(chuàng)密機械供應</p><div id="vkheg73" class="leftbox clearfix"><h1>浙江計量泵密封生產(chǎn)企業(yè) 來電咨詢漣水創(chuàng)密機械供應</h1><div id="oi2xd4o" class="proBig"><div id="l88e288" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v7x7hwd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v7fpmbh" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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)品關鍵詞：</span>浙江計量泵密封生產(chǎn)企業(yè),封</p><p><span>***更新：</span>2020-09-23 10:29:14</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="ycmovpr" 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: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="luwy7pm" class="page-proshow02"><p class="title">詳細說明</p><div id="8eowy39" class="box"><p><p> 機械密封處滲©水的第一種可能性是機封的動、靜環(huán)平面磨損。而造成機封的動、靜環(huán)平面磨損的原因有六個方面： </p> <p> 原因一、安裝過緊。觀察機械密封的動靜環(huán)平面，如有嚴重燒焦現(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。 </p> <p> 處理辦法：調(diào)整安裝高度，葉輪發(fā)裝后，用螺絲刀拔動彈簧，彈簧有較強的張力，松開后即復λ，有24MM的移動距離即可。 </p> <p> 原因二、安裝過松，浙江計量泵密封生產(chǎn)企業(yè)。觀察機封動、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，或電機軸向竄動造成。 </p> <p> 原因三、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，形成磨料磨損機封的平面或拉傷表面產(chǎn)生溝槽、環(huán)溝等現(xiàn)象。 </p> <p> 處理辦法：改進水壓或介質(zhì)，浙江計量泵密封生產(chǎn)企業(yè)，浙江計量泵密封生產(chǎn)企業(yè)，更換機封。 </p> <p> 原因四、缺水運行造成干磨損壞。此現(xiàn)象多見于底閥式安裝形式進口處負壓，進水管有空氣，泵腔內(nèi)有空氣，泵開機后，機封的磨擦高速運轉時產(chǎn)生高溫，無法得到冷卻，檢查機封，彈簧張力正常，摩擦面燒焦發(fā)黑，橡膠變硬開裂。處理辦法：排盡管道及泵腔內(nèi)空氣，更換機械密封。機械密封在流體機械中發(fā)揮著非常重要的作用，可以有效防止機械內(nèi)部的介質(zhì)流出泵外。浙江計量泵密封生產(chǎn)企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江計量泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg"></div><p> 為保證機械密封在高溫環(huán)境下正常工作，可以采取如下措施。 </p> <p> 給機封增加冷卻沖洗裝置。 </p> <p> 選擇耐高溫的材料，根據(jù)不同的工作溫度選用不同的材料。丁腈橡膠溫度上限為80℃，硅橡膠和氟橡膠為200℃，聚四氟乙烯為250℃。另外，機械密封中的非金屬摩擦副多采用石墨浸漬材料制成，所以也要根據(jù)不同的工作溫度選用不同種類的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，浸樹脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于400℃的工作條件下使用。動環(huán)組件應盡可能選用膨脹系數(shù)相近的材料，以防止高溫下動環(huán)和動環(huán)座的連接松動。 </p> <p> 選擇金屬波紋管機械密封。金屬波紋管密封近年來在高溫密封中使用很多，并且取得了很好的效果。在該種機封中，金屬波紋管取代了普通機封中的彈簧，省去了動環(huán)輔助密封圈，不需要克服動環(huán)補償時與轉軸的摩擦和磨損，因此在高溫下使用，一般都能取得不錯的效果。 </p> <p> <br /> 江蘇水泵密封批發(fā)廠泵在停一段時間后再啟動時泄漏，因為摩擦副附近介質(zhì)的凝固、結晶，摩擦副上有水垢、彈簧腐蝕、阻塞而失彈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江計量泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293279589844/7625641.jpg"></div><p> <span style="font-size:12px;">安裝機械密封部位的軸（或軸套）的徑向跳動公差比較大不超過0.04～0.06mm。</span> </p> <p> 轉子軸向竄動不超過0.3mm。 </p> <p> <span style="font-size:12px;">密封腔體與密封端蓋結合的定位端面對軸（或軸套）表面的跳動公差比較大不超過0.04～0.06mm。</span> </p> <p> <span style="font-size:12px;"> 密封件的確認</span> </p> <p> 確認所安裝的密封是否與要求的型號一致。 </p> <p> 安裝前要仔細地與總裝圖對照，零件數(shù)量是否齊全。 </p> <p> 采用并圈彈簧傳動的機械密封，其彈簧有左、右旋之分，須按轉軸的旋向來選擇。 </p> <p> <span style="font-size:12px;"> 安裝</span> </p> <p> 安裝方法隨機械密封型式、機器的種類不同而有所不同，但其安裝要領幾乎都相同，安裝步驟和注意事項如下： </p> <p> <span style="font-size:12px;">安裝尺寸的確定</span> </p> <p> 安裝時，應按產(chǎn)品的使用說明書或樣本，保證機械密封的安裝尺寸。 </p> <p> <span style="font-size:12px;">裝入前，軸（軸套）、壓蓋應無毛刺，軸承狀況良好；密封件、軸、密封腔、壓蓋都應該清洗干凈。</span> </p> <p> 為減少摩擦阻力，軸上安裝機械密封的部位要薄薄地涂上一層油，以進行潤滑，考慮到橡膠O形圈的相溶性，若不宜用油，可涂肥皂水。浮裝式靜環(huán)不帶防轉銷的結構，不宜涂油，應干式裝入壓蓋。 </p> <p> <span style="font-size:12px;">先將靜環(huán)與壓蓋一起裝在軸上，注意不要與軸相碰，然后將動環(huán)組件裝入。彈簧座或傳動座的緊定螺釘應分幾次均勻擰緊。</span> </p> <p> 在未固定壓蓋之前，用手推補償環(huán)作軸向壓縮，松開后補償環(huán)能自動彈回無卡滯現(xiàn)象，然后將壓蓋螺拴均勻地鎖緊。 </p><p> 強酸強堿介質(zhì)具有較強的腐蝕性，且易結晶，為了防止介質(zhì)對密封彈性元件的腐蝕，應使彈性元件與介質(zhì)隔離，采用外裝結構，第3 種布置方式(背靠背或面對面)。O 形圈材料選用耐腐蝕的氟橡膠或全氟橡膠。動靜環(huán)選用硬對硬(碳化鎢或碳化硅)配置。 </p> <p> 強酸強堿泵現(xiàn)場大多采用單端面密封，因而密封背面大多出現(xiàn)結晶結垢，對設備造成腐蝕等現(xiàn)象。為了避免該現(xiàn)象發(fā)生，使現(xiàn)場更加清潔，可直接選用PLAN54(見圖4)。煉油裝置中大多數(shù)酸泵或堿泵的入口壓力較低，基本為常壓，因此PLAN54 的沖洗源可直接用循環(huán)水。該方案雖然選用了雙端面密封，但從經(jīng)濟角度考慮*增加了一對摩擦副，沒有另外增加輔助系統(tǒng)，既節(jié)約了投資成本又滿足了現(xiàn)場要求。機械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機械密封，耐高壓、耐腐蝕機械密封等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江計量泵密封生產(chǎn)企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg"></div><p> 雙重密封和液體阻隔裝置 </p> <p> 采用雙重密封面的密封來代替單一的密封件具有更高程度的防漏特性。這類雙重密封大都應用于揮發(fā)性強、危險和潤滑性很差的液體。 </p> <p> <span style="font-size:12px;"> 雙重密封一般有三種設計型式，每種型式都要求在雙重密封面之間使用一種液體阻隔系統(tǒng)，以防止液體或氣體外泄。比較常用的低成本雙重密封是一種以背靠背方式安裝的密封，其旋轉密封面以相反的方向排列。它往往需要一種阻隔液體，其壓力應高于填料盒壓力，大約為20psi，這樣就可保證內(nèi)部的密封始終能得到阻隔液體的潤滑，而且也可保證密封面達到一定的密封壓力。</span> 機械密封所能承受的壓力是有限度的，由于測算不準，造成密封腔內(nèi)的壓力超過機械密封承受的壓力而產(chǎn)生泄漏。南京化工泵用密封廠</p><p style="text-indent:25px">軸彎曲變形時橫截面形心沿與軸線垂直方向的線位移稱為撓度，機械密封要求兩個密封端面之間受力均勻。浙江計量泵密封生產(chǎn)企業(yè)</p><p> 結合設計經(jīng)驗以及對API 682標準的研究，對泵用機械密封的選型要點進行了分析，主要包括密封類型、密封形式、布置方式、沖洗方案等。進而對煉油裝置中的高溫熱油泵、高溫熱水泵以及強酸強堿泵機械密封及輔助系統(tǒng)的選型提出了合理化建議，對API 682中的PLAN53B和PLAN23進行了改進，使之更好地為機械密封服務，有利于機械密封長期穩(wěn)定運行。 </p> <p> 由于機械密封具有密封性能好、工作可靠、泄漏量小、功率消耗少等特點，因而在國內(nèi)外煉油化工生產(chǎn)的旋轉設備中得到了較大規(guī)模的應用，已經(jīng)成為泵、壓縮機、反應釜、攪拌器等工藝設備能否正常運轉的關鍵部件。 </p> <p> 隨著環(huán)境保護和人類健康要求的提高，煉油裝置中對泵用機械密封的要求也在不斷提高。據(jù)統(tǒng)計，煉油裝置中機泵故障的40% 以上是由于機械密封發(fā)生泄漏而引起的。造成這一現(xiàn)象的原因，一是作為機泵中的動密封其本身所處的工作條件、起的作用所決定；二是許多國內(nèi)設計單位以及工程公司認為機械密封及系統(tǒng)的選用是泵廠和密封廠的責任，往往對密封的類型、布置方式、沖洗方案了解不深，難以制定機械密封的選配方案，造成部分密封選型不當。 </p> <p> <br /> 浙江計量泵密封生產(chǎn)企業(yè)</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司主要經(jīng)營范圍是機械及行業(yè)設備，擁有一支專業(yè)技術團隊和良好的市場口碑。公司業(yè)務涵蓋輕型密封，中型密封，重型密封，小型水泵等，價格合理，品質(zhì)有保證。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設備行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br 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