Filtration: The way the filtrate flows, the clear stream filtration and the dark stream filtration. Open stream filtration, the outlet holes under each filter panel are provided with a nozzle which flows intuitively from the nozzle. Underflow filtration, each filter plate is provided with an outlet channel hole, and the outlet holes of several filter plates are connected into a outlet channel, which is discharged by a pipe connected with the outlet hole under the thrust plate.












