FIELD: NPPs.
SUBSTANCE: invention relates to a device for freezing liquid sodium in NPP pipelines. The device contains a housing with a thermal screen, inlet and outlet pipes, a nitrogen tank, control valves, an evaporator and a heater. The heat shield is located between the device and the pipeline. Moreover, gaseous nitrogen is used to remove heat, which intensively freezes sodium.
EFFECT: increasing the safety of the device for freezing liquid sodium in NPP pipelines in case of its depressurization.
1 cl, 1 dwg
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