發布時間：2023/5/29 17:36:59 瀏(liu)覽：

物料透篩的現象

       不(bu)(bu)(bu)論(lun)是(shi)物(wu)料落到(dao)運(yun)動著的(de)(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)在由，還是(shi)固定(ding)不(bu)(bu)(bu)動的(de)(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)上(shang)(shang)有運(yun)動著的(de)(de)(de)(de)(de)物(wu)料，只(zhi)要這些物(wu)料是(shi)由大小(xiao)(xiao)(xiao)不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)（有大于篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)的(de)(de)(de)(de)(de)，也有小(xiao)(xiao)(xiao)于篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)的(de)(de)(de)(de)(de)）所組成(cheng)，就(jiu)能(neng)被篩(shai)(shai)(shai)(shai)(shai)分(fen)成(cheng)篩(shai)(shai)(shai)(shai)(shai)上(shang)(shang)和篩(shai)(shai)(shai)(shai)(shai)下兩個(ge)不(bu)(bu)(bu)同粒(li)(li)(li)度(du)級(ji)別的(de)(de)(de)(de)(de)產物(wu)。在篩(shai)(shai)(shai)(shai)(shai)分(fen)過程(cheng)中(zhong)(zhong)，大于篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)，由于受到(dao)篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)的(de)(de)(de)(de)(de)限制，只(zhi)能(neng)在篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)上(shang)(shang)不(bu)(bu)(bu)停(ting)地運(yun)動，后作為篩(shai)(shai)(shai)(shai)(shai)上(shang)(shang)物(wu)排出(chu)；比(bi)(bi)篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)小(xiao)(xiao)(xiao)的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)中(zhong)(zhong)較小(xiao)(xiao)(xiao)的(de)(de)(de)(de)(de)那(nei)(nei)部分(fen)，多數進(jin)入篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)后很快就(jiu)從靠(kao)近給料端(duan)的(de)(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)了(le)；而與(yu)篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)相(xiang)比(bi)(bi)略小(xiao)(xiao)(xiao)的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)，則大數在篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)上(shang)(shang)運(yun)動一(yi)段是(shi)間后，逐(zhu)漸在離給料端(duan)較遠的(de)(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)在由才獲(huo)得透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)的(de)(de)(de)(de)(de)機(ji)(ji)會，其中(zhong)(zhong)有些顆(ke)(ke)粒(li)(li)(li)雖經多次企圖透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)，但因(yin)透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)的(de)(de)(de)(de)(de)機(ji)(ji)率不(bu)(bu)(bu)大，雖然本身尺寸比(bi)(bi)篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)小(xiao)(xiao)(xiao)，但在有限長(chang)的(de)(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)上(shang)(shang)，也不(bu)(bu)(bu)得不(bu)(bu)(bu)成(cheng)為篩(shai)(shai)(shai)(shai)(shai)上(shang)(shang)物(wu)。實際(ji)篩(shai)(shai)(shai)(shai)(shai)分(fen)過程(cheng)的(de)(de)(de)(de)(de)結果表明：透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)成(cheng)功(gong)機(ji)(ji)會（透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)概(gai)率）大的(de)(de)(de)(de)(de)，是(shi)與(yu)篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)相(xiang)比(bi)(bi)，粒(li)(li)(li)度(du)較小(xiao)(xiao)(xiao)的(de)(de)(de)(de)(de)那(nei)(nei)些顆(ke)(ke)粒(li)(li)(li)，它(ta)們都(dou)集中(zhong)(zhong)在篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)給料端(duan)附近；透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)成(cheng)功(gong)機(ji)(ji)會小(xiao)(xiao)(xiao)的(de)(de)(de)(de)(de)，按其機(ji)(ji)會減小(xiao)(xiao)(xiao)程(cheng)度(du)的(de)(de)(de)(de)(de)不(bu)(bu)(bu)同，逐(zhu)漸從給料端(duan)沿篩(shai)(shai)(shai)(shai)(shai)長(chang)散開(kai)。被篩(shai)(shai)(shai)(shai)(shai)物(wu)料中(zhong)(zhong)各個(ge)粒(li)(li)(li)級(ji)的(de)(de)(de)(de)(de)顆(ke)(ke)粒(li)(li)(li)，隨著不(bu)(bu)(bu)斷(duan)地與(yu)篩(shai)(shai)(shai)(shai)(shai)孔(kong)(kong)(kong)進(jin)行比(bi)(bi)較，而表現(xian)出(chu)各自的(de)(de)(de)(de)(de)透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)概(gai)率。按透(tou)(tou)(tou)(tou)(tou)(tou)(tou)篩(shai)(shai)(shai)(shai)(shai)概(gai)率的(de)(de)(de)(de)(de)不(bu)(bu)(bu)同，在篩(shai)(shai)(shai)(shai)(shai)分(fen)過程(cheng)中(zhong)(zhong)出(chu)現(xian)的(de)(de)(de)(de)(de)聚、分(fen)趨(qu)勢，就(jiu)是(shi)概(gai)率篩(shai)(shai)(shai)(shai)(shai)分(fen)原理的(de)(de)(de)(de)(de)客觀基礎(chu)。