| 摘要 |
What is indicated is a heat accumulator (1) for storing thermal energy, which comprises a container (2) with a longitudinal axis (100) extending horizontally, wherein the container (2) has a heat storage material (5) in the form of a plurality of stone-like elements (4). According to the invention, the container (2) has in a first portion (61) a first opening (81) and, in a second portion (62), a second opening (82) which is vertically offset with respect to the first opening (81), wherein an average diameter of the stone-like elements (4) arranged in the first portion (61) is larger than an average diameter of the stone-like elements (4) arranged in the second portion (62). |
