J. Phys. IV France 09 (1999) Pr3-95-Pr3-104
A molten salt system with a ground base-integrated solar receiver storage tankM. Epstein, A. Segal and A. Yogev
Solar Research Facilities Unit, The Weizmann Institute of Science, P.O. Box 26, 76100 Rehovot, Israel
Recent developments in the optical concept of a solar "reflective tower" makes it attractive for melting solid salts and metals (e.g., potash, aluminum scrap) and heating liquids to high temperatures, 600-900°C (e.g., molten salts). In this paper, the "reflective tower" concept is applied to heat a mixture of molten nitrate salts used as a heat transfer fluid to a steam generator in a solar power plant. Two approaches are analyzed and in both, the solar receiver is integrated in the storage tank. In the first approach, the heating is done through a conductive metal wall, and in the second, the molted salt is directly illuminated through a transparent window.
© EDP Sciences 1999