Solar cavity receiver for parabolic disc collector (Machine-translation by Google Translate, not legally binding)

Solar receiver for parabolic disc collector. It consists of a cylindrical absorber with cavity that, being located at the focal point of the parabola, captures the solar radiation reflected from the collector. On the hottest part of the receiver, a calopporter fluid enters that travels the receiver...

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Hauptverfasser: López Espinosa, Ovidio, Baños Torrico, Alfonso, Arenas Dalla Vecchia, Aurelio
Format: Patent
Sprache:eng ; spa
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Zusammenfassung:Solar receiver for parabolic disc collector. It consists of a cylindrical absorber with cavity that, being located at the focal point of the parabola, captures the solar radiation reflected from the collector. On the hottest part of the receiver, a calopporter fluid enters that travels the receiver along a spiral -shaped circuit practiced inside it. The fluid finally leaves the receiver at a considerably higher temperature and is conducted to the heat exchanger of a boiler to generate steam. The spiral circuit forces the fluid to circulate at constant speed throughout its route, avoiding areas of fluid stagnation that would cause hot points where gases can be generated by evaporation of the fluid. These gases could cause battering blows inside the receiver and by the installation pipes and put their mechanical integrity at risk. (Machine-translation by Google Translate, not legally binding) Receptor solar para colector de disco parabólico. Consiste en un absorbedor cilíndrico con cavidad que, estando situado en el punto focal de la parábola, capta la radiación solar reflejada desde el colector. Por la parte más caliente del receptor entra un fluido caloportador que recorre el receptor a lo largo de un circuito en forma de espiral practicado en el interior del mismo. El fluido, finalmente, sale del receptor a una temperatura considerablemente más alta y es conducido al intercambiador de calor de una caldera para generar vapor. El circuito en espiral obliga al fluido a circular a velocidad constante en todo su recorrido, evitando zonas de estancamiento del fluido que provocarían puntos calientes donde pueden generarse gases por evaporación del fluido. Estos gases podrían provocar golpes de ariete en el interior del receptor y por las tuberías de la instalación y poner en riesgo su integridad mecánica.