IMPROVED PHASE-CHANGE LATENT HEAT THERMAL STORAGE DEVICE

摘要

Device for storing heat in the form of latent heat comprising a reservoir (102) containing a phase-change material, two heat exchangers (104, 106) arranged outside the reservoir (102), the phase-change material being inside the reservoir, at least at the start of a phase change, partly in a solid phase forming an agglomerate (MCPS) situated in the bottom of the reservoir (2), said device comprising: - means (122) that create a circulation path in-between the agglomerate (MCPS) and the reservoir (102) so as to cause a circulation of liquid phase-change material between the agglomerate (MCPS) and a wall of the reservoir (102), and - means (124) that cause the volume of agglomerate (MCPS) to break up and produce chips of phase-change material to form a solid-liquid mixture circulating toward the heat exchangers.