The client was storing reactive materials in vessels that could be subject to fire exposure. They wanted to be sure that the relief protection on the vessels was correctly sized, or if not, what changes were necessary for an effective relief system.
Using our SuperChems Expert™ software package and reaction kinetic data supplied by the client, ioMosaic performed dynamic simulations of the vessels and the relief valves containing the reactive materials. From the simulations, plots of the internal pressures and temperatures of the vessels were calculated. For some vessels, due to exposure to the heat input from the fire, the internal temperature could get high enough to cause a runaway reaction. For these vessels additional dynamic simulations were conducted to determine the effects of adding fireproof insulation or increasing the relief valve size.
From the dynamic simulations made, ioMosaic was able to advise the client on the most economical approach to obtain an effective emergency relief system. Full documentation of the work was provided for their PSM files.
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