| 摘要 |
An energy store (23) is proposed for storing latent heat in chemically reacting storage media or storage media with a phase change. An inner container (24) contains a storage medium (32), for example a reciprocal salt pair, having a specified reaction temperature. Flowing through said storage medium (32) is a dispersant (39) whose evaporation temperature is less than or equal to the reaction temperature. While flowing through the storage medium (32) the dispersant (39) consequently evaporates and in doing so essentially absorbs heat of evaporation. The evaporated dispersant collects in the upper section between the inner container (24) and an outer container (25). Disposed in the intermediate region (26) formed by the two containers (24, 25) is a coiled pipe (27) which has a heat transfer medium (30) of an installation circuit flowing through it. The dispersant (39) cools at the coiled pipe (27) and condenses, releasing the heat of evaporation absorbed. This forms a dispersant circuit which is maintained by the difference in pressure between the dispersant condensate and the dispersant in vapour form. This achieves a direct heat exchange between the storage medium (32) and the dispersant (39). The required mixing of the storage medium (32) is brought about by the dispersant (39), the necessary kinetic energy being drawn from the store potential. In addition, the energy store (23) can be of compact and space-saving construction. <IMAGE>
|
