Isoniazid thermal runaway simulation based on ARC data

Abstract

The law of fire occurring in the reaction of self-reactive substances is unique, when heated, comparing with common solid combustibles. In this paper, the possible thermal runaway reaction of Isoniazid storage was studied. Combined with the analysis of Isoniazid thermal stability characteristics, Fire Dynamics Simulator (FDS) was used to simulate the Isoniazid storage fire. The temperature distribution of Isoniazid storage was obtained. According to the simulation results, the temperature field of Isoniazid storage was analyzed by regression. The law of temperature distribution with height, time and distance from the center of ceiling was obtained. It was found that the ceiling temperature was highest at different heights. On the ceiling, the temperature was highest in the center. From the center to the sides, the temperature tended to drop. Therefore, when setting up the self-spraying fire extinguishing system, the sprinkler head protection roof needs to be set up, and for the stack center position, the sprinkler head should be protected.