Method of cooling a fuel assembly-transport container and cooling circuit for performing the method
AssigneeKraftwerk Union Aktiengesellschaft
InventorsBernd Fechner, Holger Hahn, Pius Mackert
Life of this patent
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Abstract
Method of cooling a fuel assembly-transport container with a cooling circuit which includes the interior of the transport container and is traversible by a vaporizable coolant such as water, which includes feeding the coolant to the transport container at the start of the cooling operation at so low a rate that a vapor thereof is formed, withdrawing the vapor from the transport container, and maintaining the cooling through heat-removal by the withdrawn vapor until a reduction in the temperature of the withdrawn vapor occurs, and cooling circuit for performing the foregoing method.
Claims10
Method of cooling a previously unwetted fuel assembly-transport container in which cooling medium fed thereto would completely vaporize, with a cooling circuit which includes the interior of the transport container and is traversible by a vaporizable coolant such as water, which comprises feeding the coolant to the previously unwetted transport container at the start of the cooling operation at a rate sufficiently slow to effect steam cooling and only allow vapor and not liquid to escape therefrom, withdrawing the vapor from the transport container, condensing the vapor after it is withdrawn from the transport container, and maintaining the cooling through heat-removal by the withdrawn vapor at least as long as a reduction in the temperature of the withdrawn vapor continues.
Dependencies are inferred from the claim text.