Title:
WATER SOFTENER
Document Type and Number:
Japanese Patent JP2020039992
Kind Code:
A
Abstract:
To provide a water softener which prevents outflow of treated water containing salt water in an ion exchange resin filling tank and prevents shortage and insufficient regeneration of the salt water in regeneration operation, even when blackout occurs.SOLUTION: A water softer 1 that passes treated water through an ion exchange resin 9 and performs water softening treatment includes an ion exchange resin filling tank 2 filled with an ion exchange resin 9 and a salt water tank 4 for storing salt water for regenerating the ion exchange resin 9, includes a control part 13 that switches water softening operation of passing the treated water through the ion exchange resin 9 in the ion exchange resin filling tank 2 and softening the treated water, washing operation of washing inside of the ion exchange resin filling tank, regeneration operation of passing salt water in the salt water tank 4 through the ion exchange resin 9 in the ion exchange resin filling tank 2 and regenerating the ion exchange resin 9, and water supply operation of supplying water to the inside of the salt water tank, in which the control part 13 controls performing of the washing operation and the water supply operation immediately after power has been supplied to the control part 13.SELECTED DRAWING: Figure 1
Inventors:
TAKASHIMA KOSUKE
Application Number:
JP2018166656A
Publication Date:
March 19, 2020
Filing Date:
September 06, 2018
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
C02F1/42; B01J49/05; B01J49/50; B01J49/75; B01J49/85