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Design and Construction of Molten Salt Parabolic Trough HPS Project in Évora, Portugal

Müller-Elvers, Christian and Wittmann, Michael and Schubert, Anne-Claire and Übler, Matthias and Ernst, Ralph and Hillebrand, Stephan and Saur, Mirko (2012) Design and Construction of Molten Salt Parabolic Trough HPS Project in Évora, Portugal. SolarPACES 2012, 11.-14. Sept. 2012, Marrakesch, Marrokko.

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Abstract

In the Portuguese city of Évora a parabolic salt loop is being constructed in order to demonstrate the viability of this system. Different partners have teamed-up for this task. Siemens takes the project lead in the German HPS consortium. The solar demonstration plant will be capable to produce high live steam parameters in an once-through steam generation system (SGS). The SGS is designed for 580 °C and 140 bar. The live steam parameters and the design of the SGS and the overall plant provide a highly flexible steam production. Since the solar field needs to provide heat at higher temperatures than typical solar field set-ups and uses molten salt as heat transfer fluid, different adoptions have had to be made. Several of these adoptions are described in the paper. Furthermore the layout of the flexible connections consisting of hose and rotary must be re-designed. Targets of the developments are: both thermal expansion of the absorber pipe and rotation of SCA must be compensated for reasonable number of lifetime cylcles and the complete system must be designed in order to prevent any freezing of the salt within the component.

Item URL in elib:https://elib.dlr.de/79209/
Document Type:Conference or Workshop Item (Paper, Poster)
Title:Design and Construction of Molten Salt Parabolic Trough HPS Project in Évora, Portugal
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Müller-Elvers, ChristianSiemens EnergyUNSPECIFIED
Wittmann, MichaelDLRUNSPECIFIED
Schubert, Anne-ClaireSiemens EnergyUNSPECIFIED
Übler, MatthiasSiemens CTUNSPECIFIED
Ernst, RalphSteinmüller EngineeringUNSPECIFIED
Hillebrand, StephanSenior FlexonicsUNSPECIFIED
Saur, MirkoSenior FlexonicsUNSPECIFIED
Date:2012
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Molten Salt, Flüssigsalz, Demoplant, Demoanlage, Flexible Connections, Flexible Verbindungen, Parabolic Trough, Parabolspiegel
Event Title:SolarPACES 2012
Event Location:Marrakesch, Marrokko
Event Type:international Conference
Event Dates:11.-14. Sept. 2012
Organizer:SolarPACES
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Punktfokussierende Systeme (old)
Location: Stuttgart
Institutes and Institutions:Institute of Solar Research > Linienfokussierende Systeme
Deposited By: Wittmann, Michael
Deposited On:06 Dec 2012 13:44
Last Modified:31 Jul 2019 19:38

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