Patent ID: 9631846
Date: 2017-04-25
CPC Classifications: F24D,F24F,F24S,F25B,Y02A,Y02B,Y02E,Y02P

Claim:
1. A seasonal thermal energy storage system for heat supply and removal, the system comprising: a) an energy-storage device; b) a solar collector; c) a refrigerating unit; and d) a water supply device, the water supper device being in closed-loop connection to a user terminal; wherein: the energy-storage device comprises at least a heat source storage pond and a cold source storage pond, and the heat source storage pond and the cold source storage pond are connected to a water source via first water pumps; the water supply device comprises a hot water supply pool connected to the heat source storage pond and a cold water supply pool connected to the cold source storage pond; the solar collector is connected to the heat source storage pond and the hot water supply pool via second water pumps; the refrigerating unit is connected to the hot water supply pool and the cold water supply pool via third water pumps, and is in closed-loop connection to the user terminal; the energy-storage device further comprises an energy-storage ball disposed in an energy-storage box; the energy-storage ball comprises a heat energy storage ball and a cold energy storage ball; the heat energy storage ball is in closed-loop connection to the solar collector and is connected to the user terminal; and the cold energy storage ball is in closed-loop connection to the refrigerating unit and is connected to the user terminal and the cold water supply pool.