Stamicarbon B.v.

Yeda Research and Develpment & Co. Ltd

Enea, Agenzia Nazionale Per Le Nuove Tecnologie, L'energia E Lo Sviluppo Economico Sostenibile

Enea—casaccia Research Centre

Stamicarbon B.v. Acting Under the Name of Mt Innovation Center

Daniela Capoferri

Gaetano Iaquaniello

Fabrizio Fabrizi

Michael Epstein

Adriano Barsi

Walter Gaggioli

Luca Rinaldi

Alberto Giaconia

A method for modifying a solar thermal power plant operating on conventional oil based technology into a hybrid solar thermal power plant includes: providing an oil-based solar thermal power plant, which includes a solar collection system with at least one radiation absorber tube containing a heat transfer oil to be heated by the solar collection system; providing a molten salts solar thermal power plant, which includes a solar collection system to heat a molten salts mixture; and coupling the respective plants such that the hybrid solar thermal power plant is configured to heat medium temperature steam generated by the oil based solar power plant by the molten salts mixture thereby producing high temperature steam and subsequently supplying it to a steam turbine to generate electricity.

Method for modifying a solar thermal power plant operating on conventional oil based technology into a hybrid solar thermal power plant and such a hybrid solar thermal power plant

A back-up boiler system for a solar thermal power plant () for transferring solar energy into electricity, said back-up boiler system comprising a combustion chamber () and a convection section () in fluid connection with said combustion chamber (), wherein in the convection section () at least a first heat exchanger () is provided for heating a molten salts mixture of the solar thermal power plant and a second heat exchanger () for pre-heating boiler feed water of the solar thermal power plant, wherein the back-up boiler system () is configured to allow selection between only providing heat to the first heat exchanger (), only providing heat to the second heat exchanger () and providing heat to both heat exchangers (), preferably dependent on availability of solar radiation and/or dependent on demand of power generation. The invention also relates to a solar thermal power plant () for transferring solar energy into electricity and a method for operating a solar thermal power plant.

Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant

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Rome, Italy

Daniela Capoferri