| 摘要 |
The present invention relates to a device for storing thermal energy comprising a first fluid circulating in a first fluid circuit comprising a first heat exchanger (210), a second heat exchanger (220), and a latent storage module (300) comprising a phase-change material, arranged between the first exchanger (210) and the second exchanger (220), a second fluid circulating in a second fluid circuit thermally coupled to the first fluid via the first heat exchanger (210) and the second heat exchanger (220). Said second fluid circuit is made up of coupling means and of a sensible heat storage module consisting of a first, high-temperature, sensible heat storage stage (110) and of a second, low-temperature, sensible heat storage stage (120), each sensible heat storage stage (110, 120) having a reference temperature controlled by the variation in flow rate of the second fluid at the outlet and/or at the inlet of each of the stages (110, 120). The field of the invention is thermal storage systems (SST) notably in thermodynamic solar power stations. It relates more particularly to the incorporation of a thermal storage system in concentrating solar power stations and, more specifically, in direct steam generation power stations. |
