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b=false; if($(this).attr("class")=="cur"){ b=true; } $(".nav_list ul li ul").prev("i").removeClass("cur"); $(".nav_list>ul>li").children("ul").slideUp("fast"); if(!b){ $(this).addClass("cur"); $(this).siblings("ul").slideDown("fast"); } }) }); </script> <div id="f9mxnqno" class="ny_banner"><img src="/skins/30724/images/ny_banner1.jpg" /></div> <script src="http://www.hbzhan.com/mystat.aspx?u=scjjy"></script> <div id="f9mxnqno" class="ly_crumb"> <img src="/skins/30724/images/crumb_icon.png" /><p>當(dāng)前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>如何提升加藥計(jì)量泵的管路效率</span></p> </div> <div id="f9mxnqno" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">如何提升加藥計(jì)量泵的管路效率</h1> <div id="f9mxnqno" class="NyNewsdetail_tips">更新時(shí)間：2021-04-26 點(diǎn)擊次數(shù)：1699</div> <div id="f9mxnqno" class="NyNewsdetail_con"> <div>　　<strong><a href="http://www.heixiaozi.cn/ParentList-173314.html" target="_blank">加藥計(jì)量泵管</a></strong>路水頭損失與加藥計(jì)量泵管路通過(guò)的流量、管長(zhǎng)、管徑、管材、加藥計(jì)量泵管路附件的類(lèi)型和數(shù)量，以及加藥計(jì)量泵管路的安裝質(zhì)量等因素有關(guān)，提高加藥計(jì)量泵管路效率，可采取如下措施。</div><div>　　加藥計(jì)量泵管路效率如何進(jìn)行提升</div><div>　　1.釆用經(jīng)濟(jì)管徑</div><div>　　在中、小型泵站的建設(shè)和改造中，加藥計(jì)量泵管路的投資占泵站工程投資比重較大，特別是高揚(yáng)程和遠(yuǎn)距離輸水的泵站，其比重更大。而加藥計(jì)量泵管路直徑的大小不僅影響到泵站工程的投資，同時(shí)又直接影響到泵站效率的高低。當(dāng)加藥計(jì)量泵管路長(zhǎng)度和加藥計(jì)量泵管路通過(guò)的流量一定時(shí)，管徑選得越大，流速越小，水頭損失越小，消耗的能源越少，但加藥計(jì)量泵管路投資大；若管徑選得小，則情況與上述相反。因此，合理的確定加藥計(jì)量泵管路直徑，無(wú)論對(duì)提高泵站效率、節(jié)約能源，還是對(duì)減少工程投資都有重要意義。</div><div>　　加藥計(jì)量泵管路效率如何進(jìn)行提升</div><div>　　2.縮短加藥計(jì)量泵管路長(zhǎng)度</div><div>　　縮短多余的加藥計(jì)量泵管路長(zhǎng)度，不僅可節(jié)省加藥計(jì)量泵管路投資，而且還能減少沿程/K頭損失，因此，應(yīng)最大限度地縮短加藥計(jì)量泵管路長(zhǎng)度。</div><div>　　對(duì)于臥式混流泵和離心泵，以往在加藥計(jì)量泵管路布置時(shí)常布置成折線，從而造成加藥計(jì)量泵管路長(zhǎng)，彎頭多。泵站技術(shù)改造時(shí)可根據(jù)進(jìn)、出水池水位的高低和進(jìn)出水池的位置，將水泵傾斜安裝，將加藥計(jì)量泵管路折線布置改為直線布置，不僅縮短加藥計(jì)量泵管路長(zhǎng)度，同時(shí)可減少2個(gè)45°彎頭。</div><div>　　3.減少加藥計(jì)量泵管路附件</div><div>　　加藥計(jì)量泵管路附件的局部水頭損失系數(shù)大，引起的水頭損失也較大，運(yùn)行時(shí)必然消耗大量的能量。因此，應(yīng)盡量減少不必要的加藥計(jì)量泵管路附件。</div><div>　　　　</div> 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