Title:
雨水循環利用システム
Document Type and Number:
Japanese Patent JP7002083
Kind Code:
B2
Abstract:
To provide a rain water circulation utilization system which is kind to environment, has a high use frequency and inexpensive.SOLUTION: A rain water tank 22 for storing collected rain water and an antifreeze agent solution tank 24 for storing a solution of wain water mixed with an antifreeze agent containing at least salt of organic acid are provided. A selector valves 29, 30 for delivering rain water and solution in the antifreeze agent solution tank 24 selectively and pumps 31, 32 are provided. Piping 34 for delivering rain water or solution to predetermined sites and collection means 43, 44, 45, 46 for collecting rain water or solution sprinkled from the piping 34 are provided. A controller 60 for inputting an output of an outside temperature sensor 59 and controlling the selector valves 29, 30 and the pumps 31, 32 is provided. The controller 60 controls the selector valves 29, 30 and the pumps 31, 32 by a signal from the outside temperature sensor 59 and switches a case of delivering rain water from the rain water tank 22 and a case of delivering solution from the antifreeze agent solution tank 24.SELECTED DRAWING: Figure 1
Inventors:
Horikawa Hitoshi
Noriyuki Nakajima
Noriyuki Nakajima
Application Number:
JP2020082205A
Publication Date:
February 04, 2022
Filing Date:
May 07, 2020
Export Citation:
Assignee:
Housing/Environmental Planning Co., Ltd.
Toyama Prefectural University
Toyama Prefectural University
International Classes:
E04H9/16; E03B1/00; E03B3/03
Domestic Patent References:
| JP2016089491A | ||||
| JP2007278054A | ||||
| JP2018188915A | ||||
| JP1102184A | ||||
| JP2001262868A |
Attorney, Agent or Firm:
Hirosawa Isao