Cask Storing Radioactive Nuclear Material and for Cooling Liquified Radiation Shielding Material by Controlling Flow Between Primary and Expansion Tanks
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Mar 7, 2024
filing date -
Mar 7, 2024
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Abstract
Disclosed are embodiments of a cask for storing hazardous nuclear material with automatic control and cooling of liquified radiation shielding material flowing between primary and expansion tanks to accommodate for internal temperature changes in the primary tank. The cask contains a container with the hazardous radioactive material that emits radiation. The primary tank surrounds the container and has liquified radiation shielding material. The expansion tank is in fluid communication with the primary tank via a siphon tube and also has liquified radiation shielding material and a gaseous fluid pocket that enables expansion and contraction of the liquified radiation shielding material in both the primary and expansion tanks. The siphon tube enables communication of liquified radiation shielding material between the primary and expansion tanks based upon a temperature change in the liquified radiation shielding material in the primary tank.
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