Patent ID: 9636604
Date: 2017-05-02
CPC Classifications: B01D,B01J,C02F

Claim:
1. An ion exchanging apparatus, comprising: an outer vessel that has an inner space; an ion exchanger support that separates at least a part of the inner space into an upper space and a lower space, wherein the ion exchanger support has a screen and a screen support plate that supports the screen, said screen support plate comprising a plurality of openings, ion exchangers that are supported on the ion exchanger support and that are loaded in the upper space, an air supply nozzle that is provided through the outer vessel and that is open at the lower space; and a plurality of pipes, which extend from the ion exchanger support to the lower space and, which supply an upward airflow from the lower space to the screen through the openings of the screen support plate, wherein each of the pipes is connected to a respective one of said openings of the screen support plate and has an opening that is provided on a part of a side surface of each pipe above the air supply nozzle, wherein the screen supports the ion exchangers on at least a part of an upper surface thereof and has a flow path that allows water treated by the ion exchangers to flow from the upper surface in a downward direction, and wherein the screen support plate has a plurality of openings that allow the water that flows through the screen to flow into the lower space, wherein the screen includes: a plurality of wire members that are positioned apart from each other and that extend in one direction; a plurality of support rods that are provided between the wire members and the screen support plate and that extend to cross the wire members, wherein the support rods support the wire members and create a plurality of spaces between the wire members and the screen support plate.