| 摘要 |
A sunlight collecting heat receiver includes: a heat-exchange heat receiving tube which receives sunlight collected by heliostats and transfers the sunlight to a heat carrier, wherein the heat-exchange heat receiving tube includes an outward-flow heat receiving tube which is disposed on the upstream in a sunlight incident direction and an inward-flow heat receiving tube which is connected to the outward-flow heat receiving tube through a U tube and is disposed on the downstream in the sunlight incident direction, and wherein the outward-flow heat receiving tube and the inward-flow heat receiving tube are arranged so as to be deviated from each other in the transverse direction perpendicular to the height direction when seen in the sunlight incident direction.
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