To provide a filtration desalting device which suppresses the height thereof while securing sufficient treatment capacity and excellent maintainability.
The filtration desalting device 10 includes an outside container 20 which has an internal space, an inner wall 40 which vertically extends in the internal space of the outside container 20, divides the internal space so that the inside of the inner wall 40 is a filtration chamber 41 and the outside thereof is a desalting chamber 22 filled with an ion exchanger, and communicates the filtration chamber 41 with the desalting chamber 22 through an upper space 34 located above the inner wall 40, an ion exchanger retaining plate 28 whose outer edge and inner edge extend continuously in the circumferential direction along the side wall of the outside container 20 and along the inner wall 40 respectively between the side wall of the outside container 20 and the outer side surface of the inner wall 40 and which retains the ion exchanger on the upper surface thereof, a discharge port 26 through which the ion exchanger retained on the upper surface of the ion exchanger retaining plate 28 is pulled out, and a flushing water supply means 27 located above the ion exchanger retaining plate 28. The flushing water supply means 27 supplies a water flow to sweep away the ion exchanger in the circumferential direction along the upper surface of the ion exchanger retaining plate 28.
COPYRIGHT: (C)2011,JPO&INPIT
Satoshi Kasahara
Mikio Sugano
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| WO2010016410A1 |
Ishibashi Masayuki
Masaaki Ogata
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