| 摘要 |
PURPOSE: A device for supplying toilet washing water by using waste water is provided to protect water resource by washing a toilet with waste water and to be economical to a user by saving water. CONSTITUTION: Plural waste water storage tanks are installed by using a lower face or a space of a side face, and a first waste water storage tank(4a) is installed on a lower part and a side part of a bath tub(1). A second waste water storage tank(4a) is installed between a bathroom floor and a washstand(2) in the lower space of the washstand. Then, a third waste water storage tank(4c) is installed as a main tank between a toilet(3) and a water tank(5). Herein, the water tank(5) for supplying washing water to the toilet is installed with a partition inside so that a water purifying tank(5a) and a waste water tank(5b) are divided. Accordingly, when the water tank is used as washing water, a certain amount of waste water is supplied from the first waste water tank in order to firstly wash. A certain amount of purified water is secondly supplied from the water purifying tank, and the inner part of the toilet is washed.
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