磁(ci)(ci)(ci)選(xuan)機是(shi)(shi)使(shi)用(yong)于(yu)再利用(yong)粉(fen)狀(zhuang)粒體(ti)中(zhong)的(de)除去鐵粉(fen)等篩(shai)選(xuan)設備。礦漿(jiang)(jiang)經給(gei)礦箱流入(ru)槽體(ti)后(hou)，在(zai)(zai)(zai)(zai)給(gei)礦噴水管的(de)水流作(zuo)用(yong)下，礦粒呈松散狀(zhuang)態進入(ru)槽體(ti)的(de)給(gei)礦區(qu)。在(zai)(zai)(zai)(zai)磁(ci)(ci)(ci)場的(de)作(zuo)用(yong)，磁(ci)(ci)(ci)性(xing)(xing)礦粒發(fa)生(sheng)磁(ci)(ci)(ci)聚而(er)形(xing)成“磁(ci)(ci)(ci)團(tuan)”或(huo)“磁(ci)(ci)(ci)鏈(lian)(lian)”，“磁(ci)(ci)(ci)團(tuan)”或(huo)“磁(ci)(ci)(ci)鏈(lian)(lian)”在(zai)(zai)(zai)(zai)礦漿(jiang)(jiang)中(zhong)受磁(ci)(ci)(ci)力作(zuo)用(yong)，向磁(ci)(ci)(ci)極(ji)(ji)運動(dong)，而(er)被吸附在(zai)(zai)(zai)(zai)圓(yuan)筒(tong)(tong)(tong)上。由(you)于(yu)磁(ci)(ci)(ci)極(ji)(ji)的(de)極(ji)(ji)性(xing)(xing)沿圓(yuan)筒(tong)(tong)(tong)旋轉方向是(shi)(shi)交(jiao)替排(pai)列的(de)，并且在(zai)(zai)(zai)(zai)工作(zuo)時(shi)固定不動(dong)，“磁(ci)(ci)(ci)團(tuan)”或(huo)“磁(ci)(ci)(ci)鏈(lian)(lian)”在(zai)(zai)(zai)(zai)隨圓(yuan)筒(tong)(tong)(tong)旋轉時(shi)，由(you)于(yu)磁(ci)(ci)(ci)極(ji)(ji)交(jiao)替而(er)產(chan)生(sheng)磁(ci)(ci)(ci)攪拌(ban)現象，被夾雜在(zai)(zai)(zai)(zai)“磁(ci)(ci)(ci)團(tuan)”或(huo)“磁(ci)(ci)(ci)鏈(lian)(lian)”中(zhong)的(de)脈石等非磁(ci)(ci)(ci)性(xing)(xing)礦物在(zai)(zai)(zai)(zai)翻動(dong)中(zhong)脫落下來，最終被吸在(zai)(zai)(zai)(zai)圓(yuan)筒(tong)(tong)(tong)表面(mian)的(de)“磁(ci)(ci)(ci)團(tuan)”或(huo)“磁(ci)(ci)(ci)蓮(lian)”即(ji)是(shi)(shi)精礦。