Mechanical engineering note - safety analysis of molten uranium/water interaction in the uranium foundry furnace Page: 21 of 84
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they are assumed to be the leak source in this analysis. The cooling circuits have building
back-up power and switch over to city water automatically in the event of a power failure
or the closed loop cooling system failure. The city water is drained into a temporary
holding tank for sampling of possible contamination prior to returning to the city drain.
Each cooling loop has two pressure relief valves to prevent over pressure as described in
Section 5.2. The capacity of the closed loop cooling system water tank is 10 gal and the
level is monitored to provide an alarm signal to the operator if the level drops below the
operating setpoint. The vessel walls are cooled by traced cooling lines welded to the
exterior chamber surface. The cooling circuit for these walls is an open loop system and
it is independent of the internal closed loop cooling circuit.
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Gourdin, W H & Sze, J. Mechanical engineering note - safety analysis of molten uranium/water interaction in the uranium foundry furnace, report, August 19, 1999; California. (digital.library.unt.edu/ark:/67531/metadc622935/m1/21/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.