Operating Parabolic Troughs with Molten Salt: Solar Field Optimisation and Ternary Salt Properties

被引：0

作者：

Krueger, Dirk ^{[1
]}

Detzler, Raphael ^{[2
]}

Schmitz, Mark ^{[2
]}

Jung, Christian ^{[1
]}

Bonk, Alexander ^{[1
]}

Hanke, Andrea ^{[1
]}

Horta, Pedro ^{[3
]}

Martins, Paula ^{[3
]}

Torabzadegan, Mehrdad ^{[4
]}

Stengler, Jana ^{[1
]}

机构：

[1] German Aerosp Ctr DLR, Cologne, Germany

[2] TSK Flagsol Engn GmbH, Cologne, Germany

[3] Univ Evora, Evora, Portugal

[4] Yara Int ASA, Oslo, Norway

来源：

SOLARPACES 2022, 28TH INTERNATIONAL CONFERENCE ON CONCENTRATING SOLAR POWER AND CHEMICAL ENERGY SYSTEMS, VOL 1 | 2023年

关键词：

Parabolic Trough Collector; Ternary Salt; Yara Molten Salt; Solar Field Optimisation; HelioTrough (R) 2.0;

D O I：

10.52825/solarpaces.v1i.689

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A variety of works have been performed at the Evora Molten Salt Platform on a new collector system especially designed for optimised operation with solar salt as well as tests on a ternary salt. Concerning the new HelioTrough (R) 3.1 design the paper discusses how 30% less specific mass could be reached. Together with a novel approach to "run-in" bearings, as to lower friction, the torsion could be reduced significantly. Resultingly costs were reduced while improving precision of the trough. The ternary salt has been operated between October 2021 and May 2022 in the end reaching operation temperatures up to 500 degrees C. Samples have been taken and analysed to investigate nitrite and nitrate development amongst others. The heat capacity of the Yara Molten Salt has been determined with now a high level of precision, as well as the density.

引用

页数：8

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