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Results of Molten Salt Valve and Flange Component Tests with the TESIS:com Facility

Dicke, Niklas Carl and Prenzel, Marco and Krüger, Dirk Rinus and Bauer, Thomas and Schlierbach, Anne and Stengler, Jana (2021) Results of Molten Salt Valve and Flange Component Tests with the TESIS:com Facility. SolarPaces 2021, 27.09. - 01.10.2021, Online Konferenz. (Submitted)

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Abstract

Abstract. This paper addresses the requirements for components in solar thermal power plants using molten salt as heat transfer fluid. For both line-focused and tower systems, operation requirements for various components are compiled from standards, publications, and operating experience. This also includes information on the typical sizes of the components. Based on the collated operating parameters, tests were carried out with valves and flange connections, provided by industrial partners, in the TESIS:com test facility. Shutoff valves without valve spindle heaters and bellows were tested primarily through continuous open/close cycles at temperatures between 290 and 560 °C. The tests were conducted in two different campaigns in which the valves were exposed to Solar Salt for 4.5 and 8 days, respectively. After the first test campaign, the knowledge obtained was used to develop an improved valve packing. In addition, a new development of flange connections was subjected to high temperature gradients (shocks) and freezing.

Item URL in elib:https://elib.dlr.de/145004/
Document Type:Conference or Workshop Item (Speech)
Title:Results of Molten Salt Valve and Flange Component Tests with the TESIS:com Facility
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Dicke, Niklas CarlNiklas.Dicke (at) dlr.deUNSPECIFIED
Prenzel, MarcoMarco.Prenzel (at) dlr.deUNSPECIFIED
Krüger, Dirk RinusDirk.Krueger (at) dlr.deUNSPECIFIED
Bauer, ThomasThomas.Bauer (at) dlr.deUNSPECIFIED
Schlierbach, Anneanne.schlierbach (at) dlr.deUNSPECIFIED
Stengler, JanaJana.Stengler (at) dlr.dehttps://orcid.org/0000-0001-6124-8286
Date:14 November 2021
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Submitted
Keywords:Molten Salt, Component Test, Valve, Thesis
Event Title:SolarPaces 2021
Event Location:Online Konferenz
Event Type:international Conference
Event Dates:27.09. - 01.10.2021
HGF - Research field:Energy
HGF - Program:Materials and Technologies for the Energy Transition
HGF - Program Themes:High-Temperature Thermal Technologies
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Advanced Heat Transfer Media
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solar High Temperature Technologies
Deposited By: Lucarelli, Fabio
Deposited On:10 Nov 2021 14:56
Last Modified:17 Dec 2021 08:58

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