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　?。?）絮凝藥劑選擇：目前，聚丙稀酰胺(PAM)是污泥脫水領域應用非常廣泛的絮凝劑，可分為陽離子型、陰離子型和非離子型三種，其中每一個離子型又可分為許多種分子量。因此，對不同的處理介質，應該選擇不同類型不同品種的PAM。在定性選擇之后，還要進行定量選擇，否則，非但達不到提高處理量之目的，甚至有可能造成污泥脫水根本無法進行。<br /> 　?。?）助凝藥劑選擇：不同行業的污水處理或不同處理介質的污泥脫水，所使用的絮凝藥劑不同，有時還需要添加助凝藥劑。<br /> 　?。?）藥劑溶解濃度、添加量：確定了藥劑的種類、型號，就要進行溶解濃度、添加量與脫水效果、運行成本等指標對比的試驗，然后確定運行成本更低、脫水效果更好、處理量更大的工藝指標。<br /> 　　2、設計的影響：<br /> 　?。?）重力脫水區：絮凝污泥先進入重力脫水區，絮凝產生的游離水大部分需在該區被脫除。所以，重力脫水區是影響帶式壓濾機處理能力的主要因素之一。在重力脫水區內，絮體沉淀在濾帶之上，游離水需要通過絮體透過濾帶而脫除，這就給長度有限的重力脫水區段增加了很大的負擔，要在整機尺寸和重力脫水區長度不變的前提下更大地提高該區的效率。<br /> 　?。?）楔型脫水區：隨著濾帶的運轉，污泥進入楔型脫水區，楔型區兼有重力脫水和壓榨脫水的雙重作用，所以，楔型區也是影響帶式壓濾機處理能力的主要因素之一。<br /></div> <div class="page" style="clear:both;"> 上一條：沒有了<br> 下一條：<a href="http://www.xue28.com/xwzx/xwdt/show510.html">污泥脫水機日常管理中的注意事項</a><br> </div> <h4 class="related"><span style="font-weight:bold;height:30px;line-height:30px;font-size:13px; color:#fff; padding-left:10px">相關資料</span></h4> <ul class="related-list"> <li><a target="_blank" title="生活污水處理的必要性" 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