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fr"> <div class="breadCrumb"> <p class="fr">您現在的位置：<a href="/">首頁</a> >> <a href="/down.html">產品資料</a> >> 怎樣有效控制凈化水設備污染現象的出現？</p> </div> <div class="articleDetail"> <div class="articleTop"> <div class="tt7">怎樣有效控制凈化水設備污染現象的出現？</div> <p><span>瀏覽次數：605次</span><span>發表時間：2021/12/31</span></p> </div> <div class="articleShow"> <div>　　凈化水設備按材質來分有不銹鋼凈化水設備和碳鋼凈化水設備，具體選材需要看需方的預算及對水處理器的要求，如衛生級別的就不需要不銹鋼的，總體來說，不銹鋼價格高，外觀漂亮，而碳鋼材質成本低，投資成本要低，處理的效果差不多，主要是看選擇的濾料質量和過濾器罐體的直徑大小等等關系。<br /> </div><div>　　基本原理：<br /> </div><div>　　反滲透技術是當今節能有效的分離技術之一，其原理是在高于溶液滲透壓的壓力作用下,借助于只允許水分子透過而不允許其他物質透過的半透膜的選擇截留作用,將溶液中的溶質與溶劑分離。利用反滲透膜的分離特性，可以有效地去除水中的溶解鹽、膠體、有機物、細菌、微生物等雜質，具有能耗低、無污染、工藝杰出、操作維護簡便等優點。<br /> </div><div>　　<strong>凈化水設備雖然出水水質安全健康，但是在長期使用后，難免會出現污染的情況，需要對這種現象加以控制，才能保證出水水質的安全性，那么凈化水設備污染現象應該如何控制呢？</strong><br /> </div><div>　　1、微生物控制。通過連續式或間歇式加入非氧化性且對膜沒有影響的殺菌劑，可以有效地控制和殺死反滲透系統滋生的微生物，再通過濃水將其帶出系統。<br /> </div><div>　　2、化學污染?；瘜W污染是指進水中某些物質與膜面發生化學反應，從而引起沉積、沉淀以及膜表面的非常規老化，使膜表面發生污染或使膜的性能變差。常見的情況有：預處理時絮凝劑選用不當，運行時阻垢劑的選用不當，清洗時清洗藥劑選用不當，預處理控制不嚴格，致使進水中帶入對膜有危害的物質(如：余氯的超標導致膜面活性層的氧化)。<br /> </div><div>　　化學污染處理主要從系統預處理的完善及操作人員技術水平的提高來進行預防，污染一旦產生很難清洗或者很難使膜的性能恢復。<br /> </div><div>　　3、膠體、顆粒物沉積。膠體、顆粒物污染是比較常見的反滲透系統污染。水中大量存在粘泥、膠體硅、金屬的氧化物及有機質等顆粒物，在反滲透系統預處理中可以將源水中的這些污染源控制在一定程度，不致使對系統短期運行造成一定的影響。但由于系統長時間的運行預處理處理效果不理想、預處理反沖洗不徹底、操作人員的日常操作不到位等原因，都會造成系統膠體、顆粒物的污染。為了防止反滲透系統膠體污染，我們要求進水SDI值小于5，這樣有利于系統長期安全運行。<br /> </div> <center> </center> </div> </div> </div> </div>  <div class="footer"> <div class="w1100"> <div class="foot cl"> <div class="quick fl"> <p><span class="cn">快捷導航</span><span class="en">QUICK NAVIGATION</span></p> <div class="quickWrap"> <span class="ib"><a href="/">網站首頁</a></span> <span class="ib"><a href="/aboutus.html" rel="nofollow">關于我們</a></span> <span class="ib"><a href="/products.html">產品中心</a></span> <span class="ib"><a href="/news.html">新聞中心</a></span> <span class="ib"><a 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