Abengoa Solar New Technologies, S.a.

Paula Llorente Folch

Lucía Serrano Gallar

Raúl Navio Gilaberte

Valerio Fernandez Quero

Rafael Osuna Gonzalez-Aguilar

José Barragan Jiménez

Raúl Navío Gilaberte

María Del Carmen Romero Delgado

José María Méndez Marcos

Sandra Alvarez De Miguel

José Maria Mendez Marcos

José Barragan Jimenez

The invention relates to a solar receiver with natural circulation for generating saturated steam, which uses water/steam as a heat-transfer fluid and includes a combined circuit for fluid recirculation (forced circulation and natural circulation). The system comprises: water-walls which receive the radiation on the surface thereof and inside which the working fluid changes phase; riser pipes through which the water/steam mix exiting the pipes of the receiver rises towards the drum; downpipes through which the recirculation water descends from the drum to the receiver; and a support pump in order to increase the incident power in the receiver and start up the plant when necessary.

Solar receiver with natural circulation for generating saturated steam

Molten salt solar receiver and procedure to reduce the temperature gradient in said receiver. The receiver consists of at least one panel of semi cylindrical geometry, formed by a combination of vertical pipes. The receiver () is supplied with a heat transfer fluid made up of molten salts which originate from a recirculation system which is composed of a mixture deposit (), a hot salt storage tank () and a cold salt storage tank (); the mixture tank () which is supplied by a part of the hot heat transfer fluid () which exits the receiver () and the cold heat transfer fluid () which exits the cold salt storage tank (); the hot salt storage tank is connected to the exit of the receiver () so that a part of the heat transfer fluid which does not recirculate is stored ().

Molten salt solar receiver and procedure to reduce the temperature gradient in said receiver

Superheated steam tower receiver with a well-defined configuration that benefits the transfer of heat between the surface of the component and the working fluid. Composed of at least four subpanels that define the circulation circuit for the steam by means of internal passages. The component is provided with saturated steam and for the production of said steam it is possible to use other solar concentrator technology. The proposed configuration minimizes the technological risks inherent in superheated steam receiver technology where drawbacks arise in the structure of the material owing to the thermal cycles to which the solar component is subjected.

Superheated steam solar receiver

Growing community of inventors

Seville, Spain

Paula Llorente Folch