| 摘要 |
PURPOSE: A filtering apparatus is provided to effectively wash among filtering papers by loosening the filtering paper when drawing out the filtering paper rolled to the external diameter of a shaft. CONSTITUTION: A filtering apparatus comprises the following: a housing(10) including an original water supply pipe(30) on the upper side, and a treated water discharge pipe(40); a spool(18) rotating by the driving power of a motor(19) while being installed in the housing; a filtering paper(22) in which one end is fixed to a housing holder(12) and the other end is fixed to a spool holder mounted on the spool, to filter original water; and a cleaning water supply pipe(60) to supply cleaning water to the filter paper.
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