| 摘要 |
PROBLEM TO BE SOLVED: To rationally execute a heat-storing device with concrete as a heat- storing material. SOLUTION: In the heat-storing device where the concrete 3 is used as a heat-storing material and heat transfer pipes 1 and 2 are buried into the concrete 3, a plurality of concrete 3 is arranged side by side with a gap, at the same time ice 6 is included among the concrete 3, and each concrete 3 is supported and fixed by the ice 6. After water is poured among the concrete 3, a cooling medium is passed between the heat transfer pipes 1 and 2, thus cooling and freezing water via the concrete 3. A bag body is arranged among the concrete 3, and water that is poured into the bag body is frozen.
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