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        反應器攪拌器功率影響因素有什么?反應釜中攪



        反應器攪拌器功率影響因素有什么?反應釜中攪



        反應器攪拌器功率影響因素有什么?反應釜中攪拌器解決方法
        影響反應器攪拌器功率的因素 反應釜中攪拌器的功率與罐內的流動狀態有關,因此影響流動狀態的因素也必然影響攪拌器的功率。反應器攪拌器的幾何參數和操作參數:漿液直徑、漿液寬度、葉片角度、轉速、葉片數量、葉片距槽底的安裝高度等。反應釜攪拌槽的幾何參數:槽內徑、液體深度、擋板寬度、擋板數量、導流筒尺寸等。攪拌介質的物理參數:液相密度、液相粘度、重力加速度等。
        因為攪拌器的功率消耗是從攪拌器自身幾何參數的運行條件來研究的,所以在影響因素中看不到不同攪拌目的的影響。換句話說,只要上述參數相同,不管攪拌過程如何,獲得的攪拌器功率是相同的。這些影響因素可以歸納為泥漿、罐的幾何變量、泥漿的操作變量和影響功率的物理變量。試圖找出這些變量與功率之間的關系,從而解決攪拌器功率的計算問題。 (一)攪拌器功率計算中的準數值關系
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 影響攪拌器功率的變量太多,這使得研究非常困難。這些變量對權力的影響是不一樣的,這是應該找到的主要影響因素,同時一些變量的范圍應該劃定,以便進一步研究。 為了找出影響因素與功率之間的關系,目前采用相似理論和維度分析,將大量相關的幾何變量、操作變量和物理變量轉化為少量有意義的無量綱數組,作為設計依據。相似理論的一種方法是首先建立描述混合流動狀態的數學關系,然后將這種關系改寫成無量綱形式。 我們知道攪拌介質的流動應該遵守質量和動量守恒定律。對于具有一定密度的牛頓流體,通過奈維一斯托克方程表達局部壓力與局部速度的關系,可以得到奈維一斯托克方程的無量綱形式。為此,我們可以把漿體直徑作為特征長度量,攪拌器速度的倒數作為特征時間量,液體密度與漿體直徑的乘積作為特征質量,葉片直徑與攪拌速度的乘積作為特征量,然后導出無量綱速度和無量綱壓力,代入奈維一斯托克得到其無量綱形式。從這個無量綱方程可以看出,無量綱壓力被代入奈維一斯托克方程,得到它的無量綱形式。從這個無量綱方程中,可以看出無量綱速度和無量綱壓力是兩個無量綱數組的和,即雷諾準數。其中歐表示流體慣性力與粘滯力之比,以及流體慣性力與重力之比。 功率是攪拌器轉速和附加距離的乘積,扭矩可以從葉片表面的局部壓力分布中得到,從而得到無量綱關系。全擋板條件 從上面可知,擋板是攪拌罐的附件,其改變罐中的流動狀態。大部分的研究都是關于側壁垂直擋板的。實驗表明,擋板的寬度、數量和安裝方式都會影響流量和功率。 混合器的功率最高,這種擋板狀態稱為全擋板狀態。也可以說,當擋板滿足全擋板條件時,即使添加附件,攪拌器的功率也不會增加。通常認為,當采用四個擋板時,擋板的寬度可以接近完全擋板狀態。 布置在凹槽中的其他部件,例如盤管,可以阻礙水平旋轉流動,也可以用作擋板。在無擋板的設備中,當滿足其他靜態元件時,也可以認為具有全擋板功能。它被稱為擋板條件系數。其中是垂直于液體循環方向的所有內部組件的投影面積之和。當一些攪拌器偏心安裝或傾斜插入槽中時,


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            1. 国产无码一二三不卡视频