To solve a problem of being difficult to simultaneously supply high temperature hot water to a plurality of load devices in a hot water supply device using a laminated boiling-up type hot water storage tank.
Water is supplied to the hot water storage tank 11 via a water supply port 12. The supplied water is sent to a heating means 13 by a pump 112 from an inlet water port 110, and is heated to a constant temperature, and is then supplied from a hot water appearing port 113 of the hot water storage tank via a hot water supply passage 111. Water circulating passages 18 and 19 are arranged in the hot water storage tank 11 for circulating the hot water in the hot water storage tank 11 via the load devices 14 and 15, and the water returning to the hot water storage tank from the respective load devices 14 and 15 is exchanged in heat with the high temperature hot water in the hot water storage tank 11 by heat exchangers 16 and 17 arranged in an upper part of the hot water storage tank 11. The respective heat exchangers are arranged in layers inward from the outside in the almost same height position of the upper part of the hot water storage tank.
| WO/2008/152786 | HOT WATER SUPPLY DEVICE FOR HOUSE |
| JP2014149102 | HEAT PUMP WATER HEATER |
YONEDA KIYOSHI
UEDA TETSUYA
MIYAUCHI SHINJI
