Abstract
This study is a small residential factory with a lightweight steel structure for fire characteristics analysis and alarm equipment analysis. This kind of factory fire grows very quickly, and there is no perfect fire protection zone, the temperature rises rapidly when the fire occurs, and it is difficult for the fire brigade to rescue. Use FDS for fire simulation and discuss the activation time of fire alarms with different functions, when the people in the building are awake, the thermocouple distribution position is combined with the heating curve to analyze the critical value of the human body's dangerous temperature, and the building is partitioned and the allowable evacuation time includes: 13 minutes in the factory area, 11 minutes in the corridor, and office area there are 12 minutes and the room has 15 minutes. In addition, the difference in the action time of the two detectors, the smoke detection type and the fixed temperature type, is discussed. In the simulation results, the smoke alarm device can detect the fire 137 seconds earlier.
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