它有(you)一水(shui)平(ping)轉(zhuan)(zhuan)(zhuan)鼓(gu)(gu)，鼓(gu)(gu)壁開孔，鼓(gu)(gu)面(mian)(mian)上鋪以(yi)支承(cheng)板(ban)和濾(lv)(lv)(lv)(lv)(lv)(lv)布(bu)，構(gou)成過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)面(mian)(mian)。過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)面(mian)(mian)下(xia)的(de)空(kong)(kong)間(jian)(jian)分成若(ruo)干(gan)隔開的(de)扇形濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)。各(ge)濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)有(you)導管與分配閥相通(tong)(tong)。轉(zhuan)(zhuan)(zhuan)鼓(gu)(gu)每旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)一周(zhou)，各(ge)濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)通(tong)(tong)過(guo)(guo)(guo)分配閥輪流接通(tong)(tong)真(zhen)空(kong)(kong)系(xi)統和壓(ya)縮(suo)空(kong)(kong)氣系(xi)統，順序完成過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)、洗(xi)渣(zha)、吸(xi)干(gan)、卸渣(zha)和過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)介質（濾(lv)(lv)(lv)(lv)(lv)(lv)布(bu)）再(zai)生等操作。在轉(zhuan)(zhuan)(zhuan)鼓(gu)(gu)的(de)整個過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)面(mian)(mian)上，過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)區(qu)約(yue)占圓周(zhou)的(de)1/3,洗(xi)渣(zha)和吸(xi)干(gan)區(qu)占1/2,卸渣(zha)區(qu)占1/6,各(ge)區(qu)之(zhi)間(jian)(jian)有(you)過(guo)(guo)(guo)渡段。過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)時(shi)(shi)轉(zhuan)(zhuan)(zhuan)鼓(gu)(gu)下(xia)部(bu)沉浸在懸(xuan)(xuan)浮(fu)(fu)液(ye)(ye)中緩慢旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)。沉沒在懸(xuan)(xuan)浮(fu)(fu)液(ye)(ye)內的(de)濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)與真(zhen)空(kong)(kong)系(xi)統連(lian)通(tong)(tong)，濾(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)被吸(xi)出(chu)過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)機(ji)，固(gu)體顆(ke)粒則被吸(xi)附在過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)面(mian)(mian)上形成濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)。濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)隨(sui)轉(zhuan)(zhuan)(zhuan)鼓(gu)(gu)旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)離開懸(xuan)(xuan)浮(fu)(fu)液(ye)(ye)后，繼續吸(xi)去濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)中飽含(han)的(de)液(ye)(ye)體。當(dang)需要除去濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)中殘留的(de)濾(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)時(shi)(shi)，可在濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)到轉(zhuan)(zhuan)(zhuan)鼓(gu)(gu)上部(bu)時(shi)(shi)噴灑洗(xi)滌(di)水(shui)。這時(shi)(shi)濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)與另一真(zhen)空(kong)(kong)系(xi)統接通(tong)(tong)，洗(xi)滌(di)水(shui)透過(guo)(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)層置換顆(ke)粒之(zhi)間(jian)(jian)殘存的(de)濾(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)。濾(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)被吸(xi)入(ru)濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)，并單獨排(pai)出(chu)，然(ran)后卸除已經吸(xi)干(gan)的(de)濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)。這時(shi)(shi)濾(lv)(lv)(lv)(lv)(lv)(lv)室(shi)與壓(ya)縮(suo)空(kong)(kong)氣系(xi)統連(lian)通(tong)(tong)，反吹濾(lv)(lv)(lv)(lv)(lv)(lv)布(bu)松動濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)，再(zai)由刮刀刮下(xia)濾(lv)(lv)(lv)(lv)(lv)(lv)渣(zha)。壓(ya)縮(suo)空(kong)(kong)氣（或蒸汽）繼續反吹濾(lv)(lv)(lv)(lv)(lv)(lv)布(bu)，可疏通(tong)(tong)孔隙，使之(zhi)再(zai)生。