METHOD FOR IN SITU COATING A TOWER SOLAR RECEIVER

The invention relates to a method for in situ coating a tower solar receiver in order to protect the surface of the receiver from corrosion and to increase absorptivity of same, which is carried out in several steps: surface preparation, application of the coating, curing, optional vitrification, an...

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Bibliographische Detailangaben
Hauptverfasser:	FERNANDEZ QUERO, VALERIO, MARTINEZ SANZ, NOELIA, CLAVIJO RIVERA, ERIKA PATRICIA, BARRAGAN JIMENEZ, JOSE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL RANGES SOLAR HEAT COLLECTORS SOLAR HEAT SYSTEMS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for in situ coating a tower solar receiver in order to protect the surface of the receiver from corrosion and to increase absorptivity of same, which is carried out in several steps: surface preparation, application of the coating, curing, optional vitrification, and controlled cooling. The surface preparation is done by zones depending on the size of the receiver, a methodology that enables an intercalated application of the coating in order to minimize the risk of corrosion. The curing stage is carried out by supplying steam to the inside of the receiver tubes, and temperature requirements above the operating limits of the boiler are adjusted with the solar field as support system. Vitrification is done using saturated steam traveling through the receiver tubes and concentrating solar radiation on the surface of the receiver from the solar field.