Patent ID: 7022230
Filing Date: 2006-04-04
Classification: B01D

Abstract:
1. A filtering apparatus comprising, within a filtering tower having a lid: a filtering section, a liquid collecting section disposed downwardly of the filter section, and a liquid feeding section disposed upwardly of the filtering section, the liquid feeding section including a liquid feeding pipe inserted into the filtering tower from an outside thereof and having an orifice oriented upward and formed at a leading end thereof, and a diffuser for acting on a liquid being discharged upward from the orifice; wherein said diffuser comprises a box body including a number of holes or slots in a lateral face and a top face thereof, said box body includes a damping portion for damping a momentum of the liquid discharged from the orifice, said damping portion comprising a partitioning member defining a number of holes therein and partitioning an inside of the box body between a first lower space and a second upper space, and said box body includes first and second discharging portions disposed upwardly of the partitioning member for discharging a portion of the liquid introduced into the second space through said partitioning member, and a third discharging portion disposed downwardly of the partitioning member for discharging a remaining portion of the liquid reflected from the partitioning member.