摘要:
An energy storage device (2) is provided. The energy storage device (2) comprises a storage chamber (8), wherein the storage chamber (8) comprises a port (4, 6) configured to pass a heat transfer medium via piping (16) connectable to the port, a heat storage material (10) disposed in the storage chamber (8) and configured to exchange thermal energy with the heat transfer medium when the heat transfer medium flows through the energy storage device (2) via the port (4, 6), and a flow control arrangement (20) arranged in a transition area (18) between the port (4, 6) and the heat storage material (10). The flow control arrangement (20) is controllable to adjust a flow of the heat transfer medium through a boundary region (25) between the transition area (18, 19) and the heat storage material (10).
摘要:
A thermal energy storage device (100) is provided. The thermal energy storage device comprises a chamber (101) including storage material (102), which is configured to store thermal energy, and two or more ports (103, 104) configured to pass a flow (105) of heat transfer medium. The storage material is configured to exchange thermal energy with the heat transfer medium. The thermal energy storage device further comprises a cage structure (106) comprising one or more cages (107) that provide a boundary (110) between one of the ports and at least part of the storage material, wherein the cage structure comprises a filling material (108). Further, the cage structure is configured to be passable by the heat transfer medium.
摘要:
An integral drain assembly for a heat exchanger includes a plurality of passage walls (12) defining a plurality of passages (14), each of the passage walls (12) having a non-linear portion. Also included is a drain wall (18) integrally formed with at least one of the passage walls (12) to define a drain (20) for each of the plurality of passages (14), the drain wall (18) located proximate the non-linear portion of each of the plurality of passage walls (12).
摘要:
Thermal energy storage with increased capacity It is described a thermal energy storage device (400) comprising a container (440) comprising a heat storage material, a first fluid port (420) being fluidically coupled with the container (440) at a first end of the container (440), a second fluid port (430) being fluidically coupled with the container (440) at a second end of the container (440), and a control unit (410). The control unit (410) is adapted for controlling the operation of the thermal energy storage device (400) such that in a first operational mode, wherein the heat storage material is supposed to receive thermal energy from a first heat transfer fluid, the first heat transfer fluid is guided from the first fluid port (420) to the second fluid port (430), and in a second operational mode, wherein the heat storage material is supposed to release thermal energy to the first heat transfer fluid or to a second heat transfer fluid, the first heat transfer fluid or the second heat transfer fluid is guided from the second fluid port (430) to the first fluid port (420). The control unit (410) is further adapted for operating the thermal energy storage device (400) in the first operational mode until a first outlet temperature of the first heat transfer fluid being dispensed from the second fluid port (430) has reached a first predetermined temperature. It is further described a thermal energy handling system (500, 600, 700) comprising the thermal energy storing device (400), wherein the thermal energy which is dispensed out of the thermal energy storage device can be used for preheating a feed fluid of a heat recovery steam generator and an associated Rankine cycle. It is still further described a method for storing thermal energy within the thermal energy storage device (400) and a method for releasing thermal energy from the thermal energy storage device (400).
摘要:
Provided is a thermal energy storage plant including a charging circuit where a first working fluid is circulated, the charging circuit includes a first fluid transporting machine for generating a flow of the first working fluid in charging circuit, a heating device electrically powered for transferring heat to the first working fluid, a heat accumulator for storing the thermal energy of the first working fluid, the heat accumulator including a hot end for receiving the first working fluid at a first temperature and a cold end for letting the first working fluid exit the heat accumulator at a second temperature lower than the first temperature, the heat accumulator includes a plurality of heat storage units connected in series between the hot end and the cold end, which may be separated by valves.
摘要:
A method to use high temperature thermal storage for integration into building heating/cooling systems and to meet building's peak power demand. The method can be used to store the thermal energy at any desirable rate and then discharge this stored energy to meet the demand for short or long time intervals. Input energy stored with this method is thermal energy, however, output can be thermal or electric based upon the requirement.