Quartz sand/graphite composite molten salt heat transfer and heat storage medium and preparation method thereof
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United States of America Patent
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Dec 15, 2020
Grant Date -
Dec 24, 2015
app pub date -
Jan 21, 2014
filing date -
Feb 1, 2013
priority date (Note) -
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Abstract
The present invention relates to the solar photo-thermal power generation technology. Provided is a quartz sand/graphite composite molten salt heat transfer and heat storage medium and a preparation method thereof. The medium is characterized in that it is prepared by adding quartz sand into an existing common heat transfer and heat storage molten salt system for compounding. Hot stability of the obtained heat transfer and heat storage medium is generally improved, an application temperature range is expanded, causticity is reduced, and a service life of a device is greatly prolonged. In addition, a material cost is low.
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