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Title:
WATER SOFTENING UNIT AND HOT WATER SUPPLY SYSTEM
Document Type and Number:
Japanese Patent JP2009056403
Kind Code:
A
Abstract:

To enable quick hot water supply using soft water even when regeneration of a water softener is performed, in a water softening unit where hot water supply can be carried out using soft water and the water softener can be regenerated.

The water softening unit 1 has the water softener 10 and a regenerating salt water supply device 11, and hot water supply is carried out using water which has passed through the water softener 10. Regeneration of the water softener 10 is carried out by refilling the salt water supply device 11 with water to make salt water, supplying the salt water from the salt water supply device 11 to the water softener 10, and then washing the water softener 10 by supplying water to discharge the salt water. When the hot water supply is required during the regeneration of the water softener 10, the interruption process for stopping production and supply of the salt water to make the water softener 10 usable is performed.


Inventors:
KINASHI HISANORI
MORI MASAHIRO
ATOBE YOSHIFUMI
NAKANO TOMOYA
WAKAYAMA YOSHIHIRO
HAMAYA YOSHIKAZU
KISHIO KOJI
Application Number:
JP2007226464A
Publication Date:
March 19, 2009
Filing Date:
August 31, 2007
Export Citation:
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Assignee:
NORITZ CORP
NORITZ ELECTRONICS TECH KK
International Classes:
C02F1/42; B01J49/00; F24H1/10
Domestic Patent References:
JP2008209067A2008-09-11
JP2004202404A2004-07-22
JP2000279955A2000-10-10
JP2000279956A2000-10-10
JP2002039613A2002-02-06
JP2002035745A2002-02-05
JP2000189955A2000-07-11
JP2001327966A2001-11-27
JP2003200158A2003-07-15
JP2000334450A2000-12-05
JP2000274818A2000-10-06
Attorney, Agent or Firm:
Takashi Fujita



 
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