它有(you)一水(shui)平轉鼓(gu)(gu)，鼓(gu)(gu)壁開孔，鼓(gu)(gu)面(mian)上(shang)鋪以支承板(ban)和濾(lv)(lv)(lv)(lv)(lv)布，構成過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面(mian)。過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面(mian)下(xia)(xia)的(de)(de)空間分(fen)成若干(gan)隔開的(de)(de)扇形濾(lv)(lv)(lv)(lv)(lv)室。各(ge)濾(lv)(lv)(lv)(lv)(lv)室有(you)導(dao)管(guan)與分(fen)配(pei)閥相通(tong)。轉鼓(gu)(gu)每旋轉一周(zhou)，各(ge)濾(lv)(lv)(lv)(lv)(lv)室通(tong)過(guo)(guo)(guo)分(fen)配(pei)閥輪流接(jie)(jie)通(tong)真空系(xi)統(tong)(tong)和壓縮空氣(qi)系(xi)統(tong)(tong)，順序完成過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)、洗渣(zha)、吸(xi)干(gan)、卸渣(zha)和過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)介(jie)質(zhi)（濾(lv)(lv)(lv)(lv)(lv)布）再生等操作。在轉鼓(gu)(gu)的(de)(de)整個過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面(mian)上(shang)，過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)區約占圓周(zhou)的(de)(de)1/3,洗渣(zha)和吸(xi)干(gan)區占1/2,卸渣(zha)區占1/6,各(ge)區之(zhi)間有(you)過(guo)(guo)(guo)渡段。過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)時(shi)(shi)轉鼓(gu)(gu)下(xia)(xia)部沉浸在懸浮(fu)液(ye)中(zhong)(zhong)緩慢旋轉。沉沒在懸浮(fu)液(ye)內的(de)(de)濾(lv)(lv)(lv)(lv)(lv)室與真空系(xi)統(tong)(tong)連(lian)通(tong)，濾(lv)(lv)(lv)(lv)(lv)液(ye)被(bei)吸(xi)出(chu)過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)機，固體顆(ke)粒則被(bei)吸(xi)附在過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面(mian)上(shang)形成濾(lv)(lv)(lv)(lv)(lv)渣(zha)。濾(lv)(lv)(lv)(lv)(lv)室隨轉鼓(gu)(gu)旋轉離開懸浮(fu)液(ye)后(hou)，繼(ji)續吸(xi)去(qu)濾(lv)(lv)(lv)(lv)(lv)渣(zha)中(zhong)(zhong)飽含(han)的(de)(de)液(ye)體。當需(xu)要除去(qu)濾(lv)(lv)(lv)(lv)(lv)渣(zha)中(zhong)(zhong)殘留的(de)(de)濾(lv)(lv)(lv)(lv)(lv)液(ye)時(shi)(shi)，可在濾(lv)(lv)(lv)(lv)(lv)室旋轉到轉鼓(gu)(gu)上(shang)部時(shi)(shi)噴灑洗滌水(shui)。這時(shi)(shi)濾(lv)(lv)(lv)(lv)(lv)室與另一真空系(xi)統(tong)(tong)接(jie)(jie)通(tong)，洗滌水(shui)透過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)渣(zha)層(ceng)置換顆(ke)粒之(zhi)間殘存(cun)的(de)(de)濾(lv)(lv)(lv)(lv)(lv)液(ye)。濾(lv)(lv)(lv)(lv)(lv)液(ye)被(bei)吸(xi)入濾(lv)(lv)(lv)(lv)(lv)室，并單獨排出(chu)，然后(hou)卸除已經吸(xi)干(gan)的(de)(de)濾(lv)(lv)(lv)(lv)(lv)渣(zha)。這時(shi)(shi)濾(lv)(lv)(lv)(lv)(lv)室與壓縮空氣(qi)系(xi)統(tong)(tong)連(lian)通(tong)，反吹(chui)濾(lv)(lv)(lv)(lv)(lv)布松動(dong)濾(lv)(lv)(lv)(lv)(lv)渣(zha)，再由(you)刮(gua)刀(dao)刮(gua)下(xia)(xia)濾(lv)(lv)(lv)(lv)(lv)渣(zha)。壓縮空氣(qi)（或蒸汽）繼(ji)續反吹(chui)濾(lv)(lv)(lv)(lv)(lv)布，可疏通(tong)孔隙，使之(zhi)再生。