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serif",tahoma,verdana,helvetica">怎樣選型</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica"><a href="http://www.wesgrimes.com/" target="_blank"><span style="color:#0066cc">管道泵</span></a>相對而言，對流量及運送的介質都沒有太高的要求，因而<span style="color:#0066cc">管道泵</span>的挑選主要是考慮流量和揚程的合適，<span style="color:#0066cc">管道泵</span>選型依據，主要是依據工藝流程，給排水要求，杭州桂冠以為主要從五個方面加以考慮，既液體運送量、裝置揚程、液體性質、管路安置以及操作工作條件等?！?/span></span></span>管道泵|杭州管道泵|管道泵廠家|管道泵選型|管道泵價格|浙江管道泵|管道離心泵|不銹鋼管道泵|循環水管道泵<span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica"> 一、首要列出本數據：　</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　1、介質的特性：介質稱號、比重、粘度、腐蝕性、毒性等?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　2、介質中所含固體的顆粒直徑、含量多少?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　3、介質溫度：（℃）　　</span></span></span>管道泵|杭州管道泵|管道泵廠家|管道泵選型|管道泵價格|浙江管道泵|管道離心泵|不銹鋼管道泵|循環水管道泵</h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica"> 4、所需求的流量一般工業用泵在工藝流程中能夠忽略管道體系中的走漏量，但有必要考慮工藝變化時對流量的影響。農業用泵假如是采用明渠輸水，還有必要考慮滲漏及蒸發量。</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica"> 5、壓力：吸水池壓力，排水池壓力，管道體系中的壓力差（揚程丟失）?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　6、管道體系數據（管徑、長度、管道附件種類及數目，吸水池至壓水池的幾何標高級）?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　假如需求的話還應作出裝置特性曲線?！　∑浯卧谝巹澃仓霉艿罆r，應注意如下事項：　</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　A、合理挑選管道直徑，管道直徑大，在相同流量下、液流速度小，阻力丟失小，但價格高，管道直徑小，會導致阻力丟失急劇增大，使所選泵的揚程添加，配帶功率添加，成本和運轉費用都添加。因而應從技術和經濟的視點歸納考慮。</span></span></span>管道泵|杭州管道泵|管道泵廠家|管道泵選型|管道泵價格|浙江管道泵|管道離心泵|不銹鋼管道泵|循環水管道泵<span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　B、排出管及其管接頭應考慮所能接受的最大壓力?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　C、管道安置應盡可能安置成直管，盡量減小管道中的附件和盡量縮小管道長度，有必要轉彎的時分，彎頭的彎曲半徑應該是管道直徑的3～5倍，視點盡可能大于90℃?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　D、泵的排出側有必要裝設閥門（球閥或截止閥等）和逆止閥。閥門用來調節泵的工況點，逆止閥在液體倒流時可防止泵反轉，并使泵防止水錘的打擊。（當液體倒流時，會發生巨大的反向壓力，使泵損壞）　</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　二、確認<a href="http://www.wesgrimes.com/" target="_blank"><span style="color:#0066cc">管道泵</span></a>流量揚程，流量的確認　　</span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　a、假如生產工藝中已給出最小、正常、最大流量，應按最大流量考慮?！?/span></span></span></h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　b、假如生產工藝中只給出正常流量，應考慮留有必定的余量?！　τ趎s>100的大流量低揚程泵，流量余量取5%，對ns<50的小流量高揚程泵，流量余量取10%，50≤ns≤100的泵，流量余量也取5%，對質量低劣和運轉條件惡劣的泵，流量余量應取10%?！?/span></span></span>管道泵|杭州管道泵|管道泵廠家|管道泵選型|管道泵價格|浙江管道泵|管道離心泵|不銹鋼管道泵|循環水管道泵</h1> <h1><span style="font-size:24px"><span style="color:#222222"><span style="font-family:"sans serif",tahoma,verdana,helvetica">　c、假如本數據只給分量流量，應換算成體積流量。</span></span></span></h1> </div> </div> <div class="prev_next"> <ul> <li><p><a href="/newsshow_458.html">上一條：杭州桂冠解讀管道泵是什么(管道泵的效果和用處)</a></p></li> <li><p><a href="/newsshow_456.html">下一條：杭桂手搖泵的工作原理</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 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