Title:
WATER SOFTENING DEVICE
Document Type and Number:
Japanese Patent JP2022095010
Kind Code:
A
Abstract:
To provide a water softening device that can suppress a deterioration of a water softening performance caused by pH of water flowing through a water softening tank during a water softening treatment.SOLUTION: A water softening device 1 includes a water softening tank 3 and a neutralization tank 4. The water softening tank 3 softens raw water containing a hardness component with a weakly acidic cation exchange resin 7. Further, the water softening tank 3 has a first softening tank 3a and a second softening tank 3b. The neutralization tank 4 neutralizes pH of the soft water that has passed through the water softening tank 3 with a weakly basic anion exchange resin 8. Further, the neutralization tank 4 has a first neutralization tank 4a and a second neutralization tank 4b. The water softening device 1 is configured to distribute raw water containing a hardness component in an order of the first softening tank 3a, the first neutralization tank 4a, the second softening tank 3b, and the second neutralization tank 4b.SELECTED DRAWING: Figure 1
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Inventors:
ISHIKAWA DAIKI
MATSUMOTO YUI
MURASE HIROKI
KATO MINATO
NAGATA AYAKA
KOIKE RISAKO
HAMADA YOSUKE
MATSUMOTO YUI
MURASE HIROKI
KATO MINATO
NAGATA AYAKA
KOIKE RISAKO
HAMADA YOSUKE
Application Number:
JP2020208080A
Publication Date:
June 28, 2022
Filing Date:
December 16, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
C02F1/42; B01J39/07; B01J39/18; B01J41/07; B01J41/12; B01J47/022; B01J49/06; B01J49/07; B01J49/08; B01J49/53; B01J49/57; B01J49/75; B01J49/85
Attorney, Agent or Firm:
Kenji Kamata
Koichi Nomura
Koichi Nomura