Patent ID: 8875904
Filing Date: 2014-11-04
Classification: B01D

Abstract:
1. A circular filtering disc, comprising: a circular partition plate having an inner hub and an outer rim, with a plurality of vertical inlet holes formed through the outer rim in vertical directions for introducing raw water to the partition plate in the vertical directions such that the vertical inlet holes are arranged along the outer rim in a state in which the vertical inlet holes are spaced apart from each other at regular intervals, and with a plurality of radial inlet holes formed in the outer rim in substantially horizontal directions and for receiving the raw water introduced vertically by the plurality of vertical inlet holes and introducing the received water to the partition plate in the substantially horizontal directions, and a vertical outlet hole formed in a center of the inner hub and discharging pure water, such that the vertical inlet holes communicate with the radial inlet holes; and a filter fabric placed on or below the partition plate, wherein water supplied to the filtering disc through the plurality of radial inlet holes passes through the filter fabric and becomes concentrated at the vertical outlet hole, and is discharged from the filtering disc through the vertical outlet hole, wherein the partition plate is provided with an upper channel and a lower channel defined on and below upper and lower surfaces thereof at locations between the inner hub and the outer rim, wherein a plurality of partition ribs are vertically installed in each of the upper and lower channels radially from the inner hub such that each of the channels is partitioned by the partition ribs at regular intervals, and wherein each of the plurality of partition ribs extends from the inner hub to the outer rim.