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Title:
WATER CIRCULATION AND PURIFICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/176010
Kind Code:
A1
Abstract:
The present invention provides a water circulation and purification system capable of using circulated water more efficiently.　A water circulation and purification system S comprises a shower hand-washing device 12, a first purification device 10, a first tank 11, a toilet 22, a second purification device 20, and a control unit 50. The shower hand-washing device 12 uses clean water and discharges greywater. The first purification device 10 purifies the greywater discharged by the shower hand-washing device 12 into the clean water. The first tank 11 stores the clean water that is purified by the first purification device and is to be used by the shower hand-washing device 12. The toilet 22 uses greywater and discharges sewage water. The second purification device 20 purifies the sewage water discharged by the toilet 22 into greywater to be used by the toilet 22. When the clean water stored in the first tank 11 is less than a prescribed quantity, the control unit 50 causes the first purification device 10 to purify the greywater that has been purified by the second purification device 20.

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Inventors:
KANAO YOSHINORI (JP)
Application Number:
PCT/JP2022/030464
Publication Date:
September 21, 2023
Filing Date:
August 09, 2022
Export Citation:
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Assignee:
CHUGOKU ELECTRIC POWER (JP)
International Classes:
C02F1/00; C02F1/28; C02F1/52; C02F1/74; C02F3/06; E03B1/00; E03B3/03
Foreign References:
JP2003211174A2003-07-29
JPH09296494A1997-11-18
JPS5025042A1975-03-17
JPH10337557A1998-12-22
JPH11114551A1999-04-27
JPH1054067A1998-02-24
JPH05324601A1993-12-07
JP2015107465A2015-06-11
JPH08229590A1996-09-10
US20140262982A12014-09-18
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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