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href="/wstsb/">污水提升裝置隔油提升裝置</a> </p> </div>    <div class="nybanner"><img src="images/nw_banner.jpg" /></div>   <div class="nymain"> <div class="news_detail"> <h3>容積泵與離心泵介質的差異</h3> <div class="nwdtl_tip"><span>發布時間：2022-04-13 01:51:31</span><span>來源：www.wesgrimes.com</span><span>瀏覽：276次</span></div> <div class="nwdtl_con"> <p>因為占主流的工業泵均為離心泵，所以許多人會先考慮離心泵。離心泵的本錢通常低于容積泵，并且也是在許多情況下應運用的正確泵型。每種泵均以各自不同的方法來拌和流體，并且每種泵均擁有各自不同的運轉特性和曲線。但重要的是，離心泵會影響液體的流速，從而導致排放口處存在定的壓力。而與之相反的是，容積泵拌和液體時，會先獲取特定數量的液體并將這些液體從吸進口處送至排放口。關于離心泵來說，是先構成壓力，后導致流動的發生。關于容積泵來說，則是先構成流動，后導致壓力的呈現。<strong>容積泵與離心泵的首要差異：</strong></p> <h3> 離心泵|離心泵廠家|杭州離心泵|離心泵價格|離心泵選型|杭州離心泵|管道離心泵|自吸離心泵 </h3> <h3><strong>1、容積泵與離心泵介質的差異：</strong></h3> <p> （1）容積泵是轉速和流量成正比的，例如齒輪泵，螺桿泵，柱塞泵等，比方他們的轉速100轉時流量1個立方，而1000轉時就能夠理解為10個立方，但是實踐有點功率丟失，流量大概在9.5-9.8立方左右。</p> <p> （2）離心泵靠電機的高速旋轉把介質(般為粘度較小的介質:如水,柴油,煤油,汽油等等)靠葉輪的流道把介質甩出去。</p> <p> （3）容積泵與離心泵的差異還有容積泵能夠輸送的介質粘度比較大,如重油,粘油,瀝青等粘度較大的介質;離心泵只能輸送些粘度較小的介質,他的輸送粘度只能低于3Cst(厘斯)。</p> <h3> </h3> <h3><strong>2、容積泵與離心泵性能的差異：</strong></h3> <p> 為了能夠從各類泵中挑選出合適的類型，重要之處在于理解這兩種泵的作業特性差異。在查看其作業性能表（圖1a）時，您可看到其作業原理有著多么大的不同。離心泵存在著取決于壓力（或壓頭）的可變流量現象，而容積泵則存在著與壓力無關的或多或少較為恒定的流量現象。</p> <h3> </h3> <h3><strong>3、容積泵與離心泵粘度能的差異：</strong></h3> <p> 粘度在泵的機械功率方面發揮著重要的作用。因為離心泵運轉在電動機轉速下，所以其功率會跟著泵機內沖突丟失的加大所導致的粘度添加而下降。請注意，跟著粘度添加，離心泵的功率下降速率會很快。</p> <h3> </h3> <h3><strong>4、容積泵與離心泵性能的差異：</strong></h3> <p> 另項首要差別在于粘度對泵容量的影響。在流量表中您會注意到，離心泵會在粘度上升時呈現流量下降的現象，而容積泵實踐上會隨之而發生流量的添加。這是因為較高粘度的液體填充了容積泵內的空地，從而導致較高的容積功率。粘度對泵流量的影響。請緊記，系統內還會呈現管道丟失量加大的現象。這意味著離心泵內的流量將跟著泵差壓的添加而前進下降。</p> <h3> </h3> <h3><strong>5、容積泵與離心泵功率的差異：</strong></h3> <p> 在考慮差壓對泵機械功率的影響問題時，動能泵和容積泵也表現出各自不同的特性。泵機功率是如何受到隨之添加的壓力的影響的。關于容積泵來說，跟著壓力的添加，功率實踐上會有所提升，而離心泵則存在著個佳功率點（BEP）。在此點的兩側，綜合泵功率會大幅度下降。</p> <h3> </h3> <h3><strong>6、容積泵與離心泵進口條件的差異：</strong></h3> <p> 這兩種類型的泵關于進口條件的要求也有相當大的不同點。離心泵需要泵內預先有定量的液體，以便構成壓差。無液體的枯燥的泵是不能自行起動的。而旦起動操作后，離心泵就需要符合制造廠商所主張的明確的進口壓力要求。</p> <p> 因為容積泵是通過液體容積的膨脹和縮短作用來拌和液體的，進口處將會構成負壓情況，所以容積泵能夠自行起動灌注。在某些情況下，這點是是否挑選容積泵或離心泵的唯決議要素。 </p> <h2><strong>容積泵與離心泵差異總結：</strong></h2> <p> 總的來說，在粘度超越150 cP時，有必要能夠在較廣范圍內猜測流量，或者在希望泵機能夠自行起動灌注時，能夠考慮選用容積泵。在離心泵與容積泵之間進行挑選時，還要考慮到能耗問題，因為這兩種泵在能耗方面可能會存在著相當大的差別。這點關于流量低于100加侖/分的情況是特別重要的，在這種情況下，離心泵作業功率的下降幅度會更大。杭州桂冠環?？萍加邢薰緦I生產水泵。</p> </div> </div> <div class="prev_next"> <ul> <li><p><a href="/newsshow_445.html">上一條：立式管道泵訂購須知</a></p></li> <li><p><a href="/newsshow_443.html">下一條：噴泉泵的常見問題及解決方法</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 href="/newslist_t1.html">企業新聞</a> <a href="/newslist_t2.html">現場服務</a> <a 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