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class="ipage"> <span class="totalfont">1/1頁</span> </div> <div class="inrrctainer"> <div style="text-align: justify;"> 石英砂過濾器在水處理工藝中，是常用的一種機械式過濾設備，因為濾料價格低廉，環保，過濾效果好等優勢，所以石英砂過濾器在水處理中得到了充分的應用。<br /> 那么石英砂過濾器為什么要進行反洗呢？我們先從石英砂過濾器的作用說起，石英砂過濾器主要是過濾與攔截水中的懸浮物，泥沙，有機物等雜質。過濾原理主要是通過石英砂截留來的，所以石英砂過濾器工作一段時間后，砂的縫隙間有許多的細小顆粒物，如泥，有機物等雜質等。如果不對其進行反洗，過濾罐體內攔截的泥沙等雜質會越積越多，從而影響了源水的通過性，并使出水壓力變小，過濾流量減少，不但浪費了寶貴的能源（電能，水泵提供動力），而且出水水質不達標，所以，石英砂過濾器使用一段時間后必須要進行反洗工作。<br /> 石英砂過濾器有兩種反洗方式，一種是氣水反洗，另外一種是水反洗。<br /> 氣水反洗：是利用空氣的氣泡還有石英砂濾料兩者相互摩擦，再者就是利用石英砂濾料的顆粒與顆粒之間的摩擦力，也就是利用石英砂濾料和水相沖的摩擦力，四者相互作用，在最大的限度上增加了反沖洗的效果，這樣經過反水洗后的石英砂濾料就可以進行正常使用。優點是：反洗時間較短，耗水量少。<br /> 水反洗：主要是通過石英砂濾料和水相沖的摩擦力以及砂與砂的摩擦來沖掉水中的雜質，特點是：不需要提供風源，消耗水量較大，操作簡單。</div> </div> <style> .pro_con li:nth-child(3n+1){ margin-left: 0px;} </style> </div> <div class="clear"></div> </div>    <div class="footer"> <div class="w1200"> <div class="foot_ewm fl"><img src="/Public/bnimg/6074febbb767b.jpg"><p>久協環?？萍?/p></div> <div class="foot_product fl"> <b>navigation</b> <ul 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