Research on the Molten Nitrate Salt Thermal Properties Based on Solar Thermal Utilization

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Abstract:

The thermal physical properties, thermal stability and corrosion resistance of the ternary nitrate salts 55%NaNO3-35% KNO3-10% LiNO3 have been studied by the thermal analysis TG-DSC, weight method and so on. The results show that the melting point of mixed molten salt is 380 °C and the maximum operating temperature is 750 °C. Compared with the binary system, this molten salt system has a higher operating temperature upper limit and a wider operating temperature range of 400 ~ 750 °C, which could meet the temperature requirement of solar power generation and be a solar high-temperature heat transfer and thermal storage medium material of better comprehensive performance.

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Materials Science Forum (Volumes 809-810)

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787-792

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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