滾筒(tong)篩(shai)是(shi)分選技術中應用非常廣泛的(de)(de)一種(zhong)機(ji)械，是(shi)通過對顆(ke)粒粒徑大小來控制垃圾分選的(de)(de)，分選精度高。滾筒(tong)篩(shai)的(de)(de)筒(tong)體(ti)(ti)一般分幾段，可視具體(ti)(ti)情況而定(ding)，篩(shai)孔由小到大排列(lie)，每一段上的(de)(de)篩(shai)孔孔徑相(xiang)同。

滾(gun)筒(tong)篩主(zhu)要有電機(ji)、減速(su)機(ji)、滾(gun)筒(tong)裝(zhuang)置、機(ji)架(jia)、密封蓋、進出料口組成。

滾(gun)筒(tong)(tong)裝(zhuang)(zhuang)置(zhi)傾(qing)斜安裝(zhuang)(zhuang)于(yu)機(ji)架上(shang)(shang)。電動(dong)(dong)機(ji)經(jing)減速機(ji)與(yu)(yu)滾(gun)筒(tong)(tong)裝(zhuang)(zhuang)置(zhi)通過聯軸(zhou)器連接在一起，驅動(dong)(dong)滾(gun)筒(tong)(tong)裝(zhuang)(zhuang)置(zhi)繞其(qi)軸(zhou)線(xian)轉(zhuan)動(dong)(dong)。當(dang)物料(liao)進入滾(gun)筒(tong)(tong)裝(zhuang)(zhuang)置(zhi)后，由于(yu)滾(gun)筒(tong)(tong)裝(zhuang)(zhuang)置(zhi)的傾(qing)斜與(yu)(yu)轉(zhuan)動(dong)(dong)，使篩(shai)面上(shang)(shang)的物料(liao)翻(fan)轉(zhuan)與(yu)(yu)滾(gun)動(dong)(dong)，使合格物料(liao)（篩(shai)下產品）經(jing)滾(gun)筒(tong)(tong)后端底(di)部的出(chu)料(liao)口(kou)排出(chu)，不合格的物料(liao)（篩(shai)上(shang)(shang)產品）經(jing)滾(gun)筒(tong)(tong)尾部的排料(liao)口(kou)排出(chu)。由于(yu)物料(liao)在滾(gun)筒(tong)(tong)內的翻(fan)轉(zhuan)、滾(gun)動(dong)(dong)，使卡在篩(shai)孔中的物料(liao)可(ke)被彈(dan)出(chu)，防止篩(shai)孔堵塞。滾(gun)筒(tong)(tong)篩(shai)砂機(ji)、滾(gun)筒(tong)(tong)篩(shai)分機(ji)與(yu)(yu)滾(gun)筒(tong)(tong)篩(shai)的原理(li)構造幾乎相同，是人們對它(ta)的認識和叫法上(shang)(shang)存在差異。

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