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漣水創(chuàng)密機(jī)械供應(yīng)</h1><div id="wgzldst" class="proBig"><div id="3ov8m4i" class="bigimg"><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 id="3gs7tst" 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="ful32ik" 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(guān)鍵詞：</span>常州電動泵密封制造廠家,封</p><p><span>***更新：</span>2020-10-16 02:04:58</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="h7tcjqh" 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="8urnu78" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fw7qlgs" class="box"><p><p> 高溫?zé)嵊捅弥饕谐５妆?、減底泵、催化油漿泵，該類泵的特點是溫度高（370℃-400℃）、油品粘度大、塔底有雜質(zhì)。我們針對高溫泵的這些特點采用的是YH-609系列機(jī)械密封, 結(jié)構(gòu)選型主要結(jié)合了以下幾個方面: </p> <p> 金屬波紋管旋轉(zhuǎn)結(jié)構(gòu) </p> <p> 旋轉(zhuǎn)波紋管密封在旋轉(zhuǎn)離心力作用下可以自身清洗波紋管，減少波紋管**沉積和內(nèi)側(cè)結(jié)焦，并能防止因急冷造成的波紋管變形，常州電動泵密封制造廠家。泵類設(shè)備轉(zhuǎn)速一般為2950r/min，機(jī)械密封線速度遠(yuǎn)小于25m/s,因此，常州電動泵密封制造廠家，可以選用旋轉(zhuǎn)結(jié)構(gòu)。 </p> <p> 密封結(jié)構(gòu)形式采用開槽斜面擠緊軸套 </p> <p> 這種定位傳動可靠，安裝拆卸方便且不傷軸。并設(shè)置有限位板，便于泵外調(diào)整密封的壓縮量。波紋管內(nèi)徑一處設(shè)一45℃斜角，以分散應(yīng)力，延長波紋管壽命。輔助密封采用柔性石墨替代合成橡膠，可以承受高達(dá)425℃的高溫。 </p> <p> 摩擦副材料的選取 </p> <p> 對摩擦副材料的選取我們采用“硬對硬”結(jié)構(gòu)，起初動靜環(huán)我們選擇了SiC-WC，但是運轉(zhuǎn)一段時間發(fā)現(xiàn)動環(huán)出現(xiàn)肯邊現(xiàn)象，常州電動泵密封制造廠家。改用YG6-YG6之后，設(shè)備運轉(zhuǎn)一直正常。 </p> <p> <br /> 機(jī)械密封的正常運行必須具備以下條件：機(jī)械密封的泵軸撓度要小，加上機(jī)械密封自身性能，才能達(dá)到密封效果。常州電動泵密封制造廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州電動泵密封制造廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293921376953/5749071.jpg"></div><p> 螺紋密封 </p> <p> 螺紋密封在泵上一般有兩種形式，一種是螺紋聯(lián)接墊片密封，一種是螺紋加填充濟(jì)密封，二者皆用于小直徑螺紋連接的密封場合。螺紋聯(lián)接墊片密封的密封件是墊片，而螺紋只起提供壓緊力的作用。密封的效果除了墊片的本身性能外。密封面的粗糙度以及與螺紋孔的相對幾何位置精度對密封效果影響也很大。于由密封墊片在擰緊螺紋時不*承受壓緊力，還承受扭矩，使墊片產(chǎn)生變形甚至損壞，因此，當(dāng)墊片為非金屬時，一般只適用于壓力不高的場合，如果墊片為金屬則適用壓力可達(dá)30Mpa以上。 </p> <p> 泵上經(jīng)常使用的絲堵，則是另一種螺紋密封形式。由于考慮到絲堵制造的經(jīng)濟(jì)性，一般單靠螺紋的配合不能起到密封作用，往往用生膠帶，密封膠等填充物填充螺紋的密封間隙。其承壓能力取決于螺紋的制造精度和材質(zhì)，與絲堵和螺紋孔的配合形式?jīng)]有關(guān)系。螺紋孔與絲堵無論采用"錐對錐"還是"柱對錐"，密封效果相同，只是使用地域不同而已。我國目前兩種形式同等采用。影響密封效果的常見原因是在加工螺紋底孔時尺寸偏大，使螺紋牙形變短，牙頂變寬，造成密封面減小，當(dāng)密封壓力升高后產(chǎn)生泄漏，甚至將絲堵壓出。鹽城化工泵用密封中間商對于含有固體顆粒介質(zhì)，密封面進(jìn)入固體顆粒是導(dǎo)致使密封失效的主要原因。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州電動泵密封制造廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg"></div><p> 結(jié)合設(shè)計經(jīng)驗以及對API 682標(biāo)準(zhǔn)的研究，對泵用機(jī)械密封的選型要點進(jìn)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(jìn)而對煉油裝置中的高溫?zé)嵊捅?、高溫?zé)崴靡约皬?qiáng)酸強(qiáng)堿泵機(jī)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(jìn)行了改進(jìn)，使之更好地為機(jī)械密封服務(wù)，有利于機(jī)械密封長期穩(wěn)定運行。 </p> <p> 由于機(jī)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(zhuǎn)設(shè)備中得到了較大規(guī)模的應(yīng)用，已經(jīng)成為泵、壓縮機(jī)、反應(yīng)釜、攪拌器等工藝設(shè)備能否正常運轉(zhuǎn)的關(guān)鍵部件。 </p> <p> 隨著環(huán)境保護(hù)和人類健康要求的提高，煉油裝置中對泵用機(jī)械密封的要求也在不斷提高。據(jù)統(tǒng)計，煉油裝置中機(jī)泵故障的40% 以上是由于機(jī)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(jī)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(shè)計單位以及工程公司認(rèn)為機(jī)械密封及系統(tǒng)的選用是泵廠和密封廠的責(zé)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(jī)械密封的選配方案，造成部分密封選型不當(dāng)。 </p> <p> <br /> </p><p> 機(jī)械密封處滲©水的第一種可能性是機(jī)封的動、靜環(huán)平面磨損。而造成機(jī)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(jī)械密封的動靜環(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。 </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(qiáng)的張力，松開后即復(fù)λ，有24MM的移動距離即可。 </p> <p> 原因二、安裝過松。觀察機(jī)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(jī)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(jī)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(jìn)水壓或介質(zhì)，更換機(jī)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(jìn)口處負(fù)壓，進(jìn)水管有空氣，泵腔內(nèi)有空氣，泵開機(jī)后，機(jī)封的磨擦高速運轉(zhuǎn)時產(chǎn)生高溫，無法得到冷卻，檢查機(jī)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(jī)械密封。選擇合適的密封件材質(zhì)和液壓油，以及對工作溫度的適應(yīng)性，對油的相容性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州電動泵密封制造廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg"></div><p> 內(nèi)密封和外密封 </p> <p> **通常的做法是將密封安裝在填料盒的內(nèi)部。但這種做法要求在密封維修時將液泵的濕端拆卸下來，其主要好處是密封的環(huán)境衛(wèi)生易于控制。 </p> <p> <span style="font-size:12px;"> 外密封的安裝方式是將靜態(tài)密封面的方向顛倒過來，主軸上的旋轉(zhuǎn)單元位于填料盒壓蓋的外面。外密封主要具有以下五大好處：</span> </p> <p> 安裝容易; </p> <p> 費用相對較低; </p> <p> 可以連續(xù)監(jiān)控和清潔; </p> <p> 適于無法在內(nèi)部安裝密封的很小填料盒; </p> <p> 由于其位置接近軸承，對主軸偏差的困難影響較少。 </p> <p> <span style="font-size:12px;"> 其主要缺點是離心力會將固體顆粒從密封的下面甩向密封的接觸面上。因此，這類密封主要適用于清潔且不含有磨料的液體。</span> </p> <p> <span style="font-size:12px;"> 近年來，分離式密封已成為外密封中的另一重要附加特性。分離式密封是一個成套總成，安裝于填料盒與軸承套之間，采用這種設(shè)計，在密封需要更換時，不需要每次都拆卸液泵。這類密封結(jié)合探討其他設(shè)計標(biāo)準(zhǔn)正在逐步開發(fā)之中。由于這種設(shè)計易于更換密封，因此應(yīng)抵擋**只更換密封件的這種誘惑，而對出現(xiàn)故障的根源不做進(jìn)一步的調(diào)查，這一點非常重要。</span> </p> <p> <br /> 人們在分析機(jī)械密封泄漏原因時，在機(jī)械封自身方面查找原因，比如：它的選型如是否合適，材料選擇是否正確。常州清水密封哪家質(zhì)量好</p><p style="text-indent:25px">機(jī)械密封的密封面要有一定的比壓，從而達(dá)到密封的目的，兩端面的緊密緊密程度可以通過彈簧調(diào)節(jié)。常州電動泵密封制造廠家</p><p style="text-indent:25px">微型水泵能在不加引水的情況下，可以吸水，就表示這個水泵有自吸的功能?？沙槿∷⒁后w(溶液)，適用于需要進(jìn)行液體轉(zhuǎn)移、提升、清洗、噴灑、沖洗、灌溉等等多種場合。水泵的抽水管內(nèi)是空氣的情況下，利用泵工作時形成的負(fù)壓（真空），在大氣壓的作用下將低于抽水口的水壓上來，再從水泵的排水端排出。這個過程前是不需要加“引水（引導(dǎo)用的水）”的。就是說具備這種自吸能力的微型水泵，就叫“微型自吸水泵”。簡稱：“微型吸泵”原理類似微型真空泵。常州電動泵密封制造廠家</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、誠實可信的企業(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)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。創(chuàng)密機(jī)械制造始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1570124.html</p></div></div></div></div></div><div id="sroa77x" class="page-right twoColRt"><div id="xmtlx2z" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xlsz8ci" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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