A filtering system equipped with multi functional pipe system for back wash air supply and backwash water level control in gullet

摘要

PURPOSE: a kind of water purification filter device and air-supply component as backwash level adjustment member be arranged to equably back washing device by ensuring washing water transfer space. ;CONSTITUTION: a kind of water purification filter device includes filter layer, under catchment block, water collecting chamber (22), water purification portion (6). Partition (24) is divided into water collecting chamber and water purification portion, which includes stomata (32) and hole (34) of washing water. Wash the end water and air separator (12) and washing stomata barrier of air inlet connection upper part water collecting chamber and water purification part. The horizontal top of the other end and water and air dividing member positions the washing stomata so that washing water. Water-driven component provides backwash water and air to water collecting chamber. ;The 2013 of copyright KIPO submissions;[Reference numerals] (AA) blows; (BB) supplying washing water