該產品篩(shai)分(fen)(fen)精度高、處理(li)量(liang)大、結構簡單、耗能少、噪音(yin)低、密封性(xing)(xing)(xing)好、無粉(fen)塵溢散(san)、維(wei)修方便(bian)、可用于流(liu)水線(xian)(xian)生(sheng)產中的自動化作業。在(zai)直(zhi)線(xian)(xian)振動篩(shai)篩(shai)分(fen)(fen)過程中,影(ying)響物料(liao)松散(san)和分(fen)(fen)層以及(ji)透篩(shai)的因(yin)素都將影(ying)響物料(liao)的篩(shai)分(fen)(fen),主要取決(jue)于以下(xia)三個方面(mian): 物料(liao)性(xing)(xing)(xing)質、振動篩(shai)分(fen)(fen)設(she)備的性(xing)(xing)(xing)能和對振動篩(shai)分(fen)(fen)設(she)備的操作管理(li)。下(xia)面(mian)直(zhi)線(xian)(xian)振動篩(shai)廠(chang)家大漢(han)機械為您講(jiang)述一(yi)下(xia)物料(liao)特(te)性(xing)(xing)(xing)里面(mian)包(bao)括的幾種情況:

在篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)(fen)過程中(zhong),”對于“難(nan)(nan)篩(shai)(shai)(shai)(shai)(shai)(shai)粒(li)”和“易(yi) 篩(shai)(shai)(shai)(shai)(shai)(shai)粒(li)”自上而下向篩(shai)(shai)(shai)(shai)(shai)(shai)面轉移時(shi)阻(zu)礙作用并不大。雖然不能透(tou)篩(shai)(shai)(shai)(shai)(shai)(shai),但(dan)是容易(yi)堵塞篩(shai)(shai)(shai)(shai)(shai)(shai)孔(kong),妨(fang)礙“易(yi)篩(shai)(shai)(shai)(shai)(shai)(shai) 粒(li)”透(tou)篩(shai)(shai)(shai)(shai)(shai)(shai)。“難(nan)(nan)篩(shai)(shai)(shai)(shai)(shai)(shai)粒(li)”的直徑越(yue)接近于篩(shai)(shai)(shai)(shai)(shai)(shai)孔(kong)尺(chi)寸,透(tou)篩(shai)(shai)(shai)(shai)(shai)(shai) 就(jiu)越(yue)難(nan)(nan)。“易(yi)篩(shai)(shai)(shai)(shai)(shai)(shai)粒(li)”則容易(yi)透(tou)篩(shai)(shai)(shai)(shai)(shai)(shai)。物(wu)料中(zhong)易(yi)篩(shai)(shai)(shai)(shai)(shai)(shai)粒(li)含量 越(yue)高(gao)越(yue)容易(yi)篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)(fen),篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)(fen)效(xiao)率和處理(li)能力越(yue)高(gao); 相反(fan),阻(zu) 礙粒(li)、難(nan)(nan)篩(shai)(shai)(shai)(shai)(shai)(shai)粒(li)含量越(yue)高(gao),篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)(fen)效(xiao)率就(jiu)越(yue)低。

物(wu)料(liao)水(shui)分(fen)有(you)兩種(zhong)表示方(fang)法(fa): 一(yi)是(shi)(shi)物(wu)料(liao)表面(mian)所含(han)的 水(shui)分(fen)即外(wai)在(zai)(zai)水(shui)分(fen),如開采(cai)原煤的井下噴水(shui)除塵; 還有(you) 一(yi)種(zhong)是(shi)(shi)存(cun)在(zai)(zai)于物(wu)料(liao)的孔(kong)隙中即內(nei)在(zai)(zai)水(shui)分(fen)。在(zai)(zai)篩(shai)分(fen)過 程中外(wai)在(zai)(zai)水(shui)分(fen)影響(xiang)比較(jiao)大。
物(wu)料中如果含有容(rong)易結團(tuan)的黏土類物(wu)質,即(ji)使物(wu) 料水分(fen)(fen)比(bi)較低,篩分(fen)(fen)過(guo)程也較困難。因為黏土類物(wu)質 容(rong)易黏結成團(tuan)堵(du)塞(sai)篩孔,導致(zhi)篩分(fen)(fen)效率。解決的辦(ban)法: 一是(shi)篩分(fen)(fen)前預先脫泥,二是(shi)向沿著篩面運動(dong)的 物(wu)料噴水,三是(shi)先烘干再篩分(fen)(fen)。
顆(ke)粒(li)(li)形(xing)(xing)狀對篩(shai)(shai)分過程的影響(xiang)與篩(shai)(shai)孔(kong)(kong)形(xing)(xing)狀有很大 關系。在實際生產過程中, 多角(jiao)形(xing)(xing)、立方體或球形(xing)(xing)顆(ke)粒(li)(li)容易(yi)透(tou)過方形(xing)(xing)或者圓 形(xing)(xing)篩(shai)(shai)孔(kong)(kong)。長條(tiao)形(xing)(xing)、扁平形(xing)(xing)的顆(ke)粒(li)(li)則(ze)透(tou)過方形(xing)(xing)或者圓形(xing)(xing)篩(shai)(shai)孔(kong)(kong),但是可以透(tou)過長方形(xing)(xing)篩(shai)(shai)孔(kong)(kong)。

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