摘要:
A thermal energy storage plant is provided including a charging circuit and a discharging circuit, the charging circuit including: a first fluid transporting machine for generating a flow of a working fluid in the charging circuit, a heating device for transferring heat to the working fluid, a main heat accumulator for storing the thermal energy of the working fluid, the discharging circuit including the main heat accumulator, a heat exchanger included in a thermal cycle for transforming the thermal energy stored into mechanical power, the thermal energy storage plant further comprising a secondary heat accumulator including a first end connected to the charging circuit, downstream the heating device, a second end connected to the discharging circuit, upstream the heat exchanger.
摘要:
A heat exchange system with at least one heat exchange chamber with heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber is provided. The heat exchange chamber boundaries include at least one first opening for guiding in an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one second opening for guiding out an outflow of the heat transfer fluid out of the heat exchange chamber interior. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid.
摘要:
A high temperature thermal energy exchange (heat) exchange system is provided. The high temperature thermal energy exchange system comprises at least one horizontal heat exchange chamber with chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber, wherein the chamber boundaries comprise at least one inlet opening for guiding in an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one outlet opening for guiding out an outflow of the heat transfer fluid out of the heat exchange chamber interior, at least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid and the heat high temperature thermal energy exchange system is developed such that horizontal heat exchange flows of the heat transfer fluid through the heat exchange chamber interior differ from each other in vertical direction. The horizontal heat exchange flows are different in vertical direction of the heat exchange chamber. The heat transfer fluid is led into heat exchange channels via the inlet openings and is led out of the heat exchange channels via the outlet openings. Preferably, the heat transfer fluid is air with ambient pressure. An operating temperature of the high temperature thermal energy exchange system is more than 600° C.
摘要:
A charging system with a least one high temperature thermal energy exchange system is provided. The high temperature thermal energy exchange system includes at least one heat exchange chamber with chamber boundaries which surround at least one chamber interior of the heat exchange chamber, wherein the chamber boundaries include at least one inlet opening for guiding in an inflow of at least one heat transfer fluid into the chamber interior and at least one outlet opening for guiding out an outflow of the heat transfer fluid out of the chamber interior. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid.
摘要:
The invention refers a heat exchange system with at least one heat exchange chamber. The heat exchange chamber comprises heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber. The heat exchange chamber boundaries comprise at least one first opening for guiding in an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one second opening for guiding out an outflow of the heat transfer fluid out of the heat exchange chamber interior. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid. The heat exchange system is equipped with at least one flow adjusting element for adjusting a mass flow of the heat exchange flow of the heat transfer fluid through the heat exchange chamber interior depending on a heat charge status of the heat exchange system. The heat status of the heat exchange system is monitored and based on the monitored heat status an amount of the heat exchange is controlled. In addition, a method for exchanging heat by using the heat exchange system is provided. In an operating mode of the heat exchange system the heat exchange flow of the heat transfer fluid is guided through the heat exchange chamber interior, wherein a heat exchange between the heat storage material and the heat transfer fluid is caused and a mass flow of the heat exchange flow of the heat transfer fluid is adjusted dependent on the heat charge status of the heat exchange system. During the charging mode of the heat exchange system the energy consumption of a charging unit can be approximately kept constant.
摘要:
A heat exchange system with at least one heat exchange chamber with heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber, wherein the heat exchange chamber boundaries include at least one first opening for guiding in an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one second opening for guiding out an outflow of the heat transfer fluid out of the heat exchange chamber interior is provided. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid.
摘要:
The present invention describes a system (100) for storing thermal energy and a method for operating such a system (100). The system (100) comprises a thermal storage device (150) for storing thermal energy. A working fluid is streamable through the thermal storage device (150) in such a way that thermal energy is exchangeable between the thermal storage device (150) and the working fluid. The system (100) further comprises a steam generation device (110) for heating a steam turbine working fluid of a steam turbine system (120), a connecting line (140) which connects the thermal storage device (150) with the steam generation device (110) in such a way that the working fluid is feedable to the steam turbine system (120) for heating the steam turbine working fluid, and a preheat device (180). The preheat device (180) is connected between the thermal storage device (150) and the steam generation device (110) in such a way that the preheat device (180) and a bypass section (141) of the connecting line (140) are connected in parallel in such a way that a preheat portion of the working fluid is flowable through the preheat device (180), and a bypass portion of the working fluid is flowable through the bypass section (141) of the connecting line (140).
摘要:
Thermal energy storage device A thermal energy storage device (10) comprises: - a container (15) including a heat storage material (20) defining a main fluid pathway along a longitudinal direction (X) extending between a first longitudinal end (15a) and a second longitudinal end (15b) of the container (15), - an inlet (21) connected to the first longitudinal end (15a) and including a plurality of inlet channels (31, 32) distributed along a direction orthogonal to the longitudinal direction (X), each of the inlet channels (31, 32) having a respective actively controlled valve (51, 52, 53, 54) - an outlet (22) connected to the second longitudinal end (15b) and including a plurality of outlet channels (41, 42) distributed along a direction orthogonal to the longitudinal direction (X), each of the outlet channels (41, 42) having a respective actively controlled valve (51, 52, 53, 54).
摘要:
A heat exchange system with at least one heat exchange chamber is provided. The heat exchange chamber includes heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber. The heat exchange chamber boundaries include at least one first opening for guiding in an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one second opening for guiding out an outflow of the heat transfer fluid out of the heat exchange chamber interior. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid.