杭桂解讀屏蔽泵的作業原理及特點-杭州桂冠環?？萍加邢薰?/title> <meta name="keywords" content="屏蔽泵|杭州屏蔽泵|浙江屏蔽泵|屏蔽泵價格|熱水屏蔽泵"> <meta name="description" content="屏蔽泵|杭州屏蔽泵|浙江屏蔽泵|屏蔽泵價格|熱水屏蔽泵"> <link type="text/css" rel="stylesheet" href="css/style.css"> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/setRem.js"></script>  <script type="text/javascript" src="js/jquery.royalslider.min.js"></script>  <script type="text/javascript"> var website = { 'root': '/websites/923', 'websiteId': '923', 'currentNavId': 'nav_11828', 'resourceId': '18954', 'resourceCode': 'page', 'isMobile': navigator.userAgent.match(/(iPad)|(iPhone)|(iPod)|(Android)|(PlayBook)|(BB10)|(BlackBerry)|(Opera Mini)|(IEMobile)|(webOS)|(MeeGo)/i) }; </script> <script type="text/javascript" src="js/sea.js"></script> <script type="text/javascript" src="js/sea.run.js"></script> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if 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style="font-family:宋體; font-size:19px">內，此壓力容器只要靜密封，并由一個電線組來供給旋轉磁場并驅動轉子。這種結構取消了傳統離心泵具有的旋轉軸密封裝置，故能做到完全無走漏。</span><span style="font-family:宋體; font-size:19px">屏蔽泵把泵和電機連在一起，電動機的轉子和泵的葉輪固定在同一根軸上，利用屏蔽套將電機的轉子和定子離隔，轉子在被運送的介質中工作，其動力經過定子磁場傳給轉子。</span><span style="font-family:宋體; font-size:19px">此外，屏蔽泵的制作并不雜亂，其液力端能夠按照離心泵一般選用的結構型式和有關的</span><span style="font-family:宋體; font-size:19px">標準規范</span><span style="font-family:宋體; font-size:19px">來</span><span style="font-family:宋體; font-size:19px">設計</span><span style="font-family:宋體; font-size:19px">、制作。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px">2</span><span style="font-family:宋體; font-size:19px">、屏蔽泵的優缺點</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> 2.1</span><span style="font-family:宋體; font-size:19px">　屏蔽泵的優點</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (1)</span><span style="font-family:宋體; font-size:19px">全封閉。結構上沒有動密封，只要在泵的外殼處有靜密封，因而能夠做到完全無走漏，特別合適運送易燃、易爆、寶貴液體和有毒、腐蝕性及放射性液體。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (2)</span><span style="font-family:宋體; font-size:19px">安全性高。轉子和定子各有一個屏蔽套使電機轉子和定子不與物料觸摸，即便屏蔽套決裂，也不會發生外走漏的危險。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (3)</span><span style="font-family:宋體; font-size:19px">結構緊湊占地少。泵與電機系一整體，拆裝不需找正中心。對底座和</span><span style="font-family:宋體; font-size:19px">根底</span><span style="font-family:宋體; font-size:19px">要求低，且日常修理作業量少，修理費用低。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (4)</span><span style="font-family:宋體; font-size:19px">工作平穩，噪聲低，不需加光滑油。因為無滾動軸承和電動機電扇，故不需加光滑油，且噪聲低。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (5)</span><span style="font-family:宋體; font-size:19px">使用范圍廣。對高溫、高壓、低溫、高熔點等各種工況均能滿足要求。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px">2.2</span><span style="font-family:宋體; font-size:19px">　屏蔽泵的缺點</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (1)</span><span style="font-family:宋體; font-size:19px">因為屏蔽泵選用滑動軸承，且用被運送的介質來光滑，故光滑性差的介質不宜選用屏蔽泵運送。一般地合適于屏蔽泵介質的粘度為</span><span style="font-size:19px">0.1</span><span style="font-family:宋體; font-size:19px">～</span><span style="font-size:19px">20mPa.s</span><span style="font-family:宋體; font-size:19px">。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (2)</span><span style="font-family:宋體; font-size:19px">屏蔽泵的功率一般低于單端面機械密封離心泵，而與雙端面機械密封離心泵大致相當。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (3)</span><span style="font-family:宋體; font-size:19px">長期在小流量狀況下工作，屏蔽泵功率較低，會導致發熱、使液體蒸發，而造成泵干轉，然后損壞滑動軸承。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px">3</span><span style="font-family:宋體; font-size:19px">、屏蔽泵的型式及適用范圍</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-family:宋體; font-size:19px"> 依據運送液體的</span><span style="font-family:宋體; font-size:19px">溫度</span><span style="font-family:宋體; font-size:19px">、壓力、粘度和有無顆粒等狀況，屏蔽泵可分為以下幾種：</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (1)</span><span style="font-family:宋體; font-size:19px">根本型</span><span style="font-family:宋體; font-size:19px">運送介質溫度不超過</span><span style="font-size:19px">120</span><span style="font-family:宋體; font-size:19px">℃</span><span style="font-family:宋體; font-size:19px">，揚程不超過</span><span style="font-size:19px">150m</span><span style="font-family:宋體; font-size:19px">。其它各種類型的屏蔽泵都能夠在根本型的根底上，經過變型和改從而得到。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (2)</span><span style="font-family:宋體; font-size:19px">逆循環型</span><span style="font-family:宋體; font-size:19px">在此型屏蔽泵中，對軸承光滑、冷卻和對電機冷卻的液體活動方向與根本型正好相反。其主要特點是不易發生汽蝕，特別適用于易汽化液體的運送，如液化</span><span style="font-family:宋體; font-size:19px">石油</span><span style="font-family:宋體; font-size:19px">氣、一氯甲烷等。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (3)</span><span style="font-family:宋體; font-size:19px">高溫型</span><span style="font-family:宋體; font-size:19px">一般運送介質溫度最高</span><span style="font-size:19px">350</span><span style="font-family:宋體; font-size:19px">℃</span><span style="font-family:宋體; font-size:19px">，流量最高</span><span style="font-size:19px">300m3/h</span><span style="font-family:宋體; font-size:19px">，揚程最高</span><span style="font-size:19px">115m</span><span style="font-family:宋體; font-size:19px">，適用于熱介質油和熱水等高溫液體。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (4)</span><span style="font-family:宋體; font-size:19px">高融點型</span><span style="font-family:宋體; font-size:19px">泵和電機帶夾套，可大起伏提高電機的耐熱性。適用于高融點液體，溫度最高可達</span><span style="font-size:19px">250</span><span style="font-family:宋體; font-size:19px">℃</span><span style="font-family:宋體; font-size:19px">。夾套中可通入</span><span style="font-family:宋體; font-size:19px">蒸汽</span><span style="font-family:宋體; font-size:19px">或必定溫度的液體，避免高融點液體發生結晶。<img alt="" src="/FileUpLoad/jsFile/637822629108731127_1.png" style="height:320px; width:320px" /></span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (5)</span><span style="font-family:宋體; font-size:19px">高壓型</span><span style="font-family:宋體; font-size:19px">高壓型屏蔽泵的外殼是一個高壓容器，使泵能接受很高的</span><span style="font-family:宋體; font-size:19px">體系</span><span style="font-family:宋體; font-size:19px">壓力。為了支承處于內部高壓下的屏蔽套，能夠將定子線圈用來接受壓力。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (6)</span><span style="font-family:宋體; font-size:19px">自吸型</span><span style="font-family:宋體; font-size:19px">吸入管內未充滿液體時，泵經過主動抽氣效果排液，適應于從地下容器中抽提液體。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (7)</span><span style="font-family:宋體; font-size:19px">多級型</span><span style="font-family:宋體; font-size:19px">裝有復數葉輪，適用于高揚程流體運送，最高揚程可達</span><span style="font-size:19px">400m</span><span style="font-family:宋體; font-size:19px">。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px"> (8)</span><span style="font-family:宋體; font-size:19px">泥漿型</span><span style="font-family:宋體; font-size:19px">適用于運送混入很多泥漿的液體。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-size:19px">4</span><span style="font-family:宋體; font-size:19px">、屏蔽泵</span><span style="font-family:宋體; font-size:19px">選型</span><span style="font-family:宋體; font-size:19px">時的注意事項</span><span style="font-family:宋體; font-size:19px">一般的屏蔽泵選用運送的部分液體來冷卻電機，且環隙很小，故運送液體必須潔凈。對運送多種液體混合物，若它們發生沉積、</span><span style="font-family:宋體; font-size:19px">焦化</span><span style="font-family:宋體; font-size:19px">或膠狀物，則此時選用屏蔽泵</span><span style="font-size:19px">(</span><span style="font-family:宋體; font-size:19px">非泥漿型</span><span style="font-size:19px">)</span><span style="font-family:宋體; font-size:19px">可能堵塞屏蔽間隙，影響泵的冷卻與光滑，導致燒壞石墨軸承和電機。</span><span style="font-family:宋體; font-size:19px">屏蔽泵一般均有循環冷卻管，當環境溫度低于泵送液體的冰點時，則宜選用伴管等防凍措施，以確保泵發動方便。</span><span style="font-family:宋體; font-size:19px">別的屏蔽泵在發動時應嚴格遵守出口閥和進口閥的開啟次序，停泵時先將出口閥關小，當泵工作停止后，先封閉進口閥再封閉出口閥。</span></p> <p style="margin-left:48px; margin-right:0px; text-align:left"><span style="font-family:宋體; font-size:19px"> 總之，選用屏蔽泵，完全無走漏，有效地避免了環境污染和物料丟失，選型正確，操作條件沒有反常改變，在正常運行狀況下，幾乎沒有什么修理作業量。屏蔽泵是運送易燃、易爆、腐蝕、寶貴液體的理想用泵。需要注意的是，如選型、</span><span style="font-family:宋體; font-size:19px">操作</span><span style="font-family:宋體; font-size:19px">不當或失誤，</span><span style="font-family:宋體; font-size:19px">屏蔽泵的檢修或返修本錢也很高。</span></p> </div> </div> </div> <div class="prev_next"> <ul> <li><p><a href="/newsshow_438.html">上一條：杭桂解讀污水泵設備和修理留意事項</a></p></li> <li><p><a href="/newsshow_436.html">下一條：杭桂解讀管道泵的技能運用</a></p></li> </ul> </div> </div>    <div class="ly_foot"> <div class="ft_main"> <ul> <li> <h6>關于桂冠</h6> <a href="/about.html">企業簡介</a> <a href="/about1.html">企業榮譽</a> <a href="/about2.html">企業巡視</a> <a href="/about3.html">人才中心</a> <a >官方博客</a> </li> <li> <h6>技術服務</h6> <a href="/articlelist_t1.html">水泵資訊</a> <a href="/articlelist_t2.html">技術問答</a> <a href="/articlelist_t3.html">工作原理</a> <a href="/articlelist_t4.html">使用說明</a> <a href="/articlelist_t5.html">維修保養</a> <a href="/video.html">水泵視頻</a> </li> <li> <h6>新聞中心</h6> <a 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