| 摘要 |
A heat exchanging structure of a solar heat exchanger 3 includes a housing 5 and a pipe 11. The solar heat exchanger includes a heat-resistant container 8 having an open top and containing a low-melting-point metal 9 and a light receiving plate 10. The housing accommodates the solar heat exchanger. The pipe passes a heat carrier H. The pipe is arranged in a space between the housing and the solar heat exchanger in such a way as not to touch the solar heat exchanger. The heat carrier is surely heated by radiant heat from the solar heat exchanger that is heated to very high temperatures. The light receiving plate has a container-like shape having an open top, and therefore, has a large light receiving area to heat itself to higher temperatures compared with a flat light receiving plate.
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