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在发生火灾后的瞬间内,建筑物中的烟气就会从着火层扩散到其它楼层。如果烟气扩散到电梯井、楼梯间等地会严重影响通风效果。高层建筑中烟气对人们的生命安全具有很大的危害。采暖季节烟囱效应使烟气通过建筑物的垂直通道从着火层向更高层空间扩散。故要特别注意控制烟气运动的方式。本文着重介绍空调系统在烟气控制方面的应用。烟囱效应导致的气流状态在着火期间由风、烟囱效应及空调系统
In the immediate aftermath of a fire, smoke from buildings will spread from the fire floor to other floors. If smoke spreads to elevator shafts, stairwells and other places, it will seriously affect the ventilation effect. Smoke in high-rise buildings is a great hazard to people’s lives. The chimney effect of the heating season allows smoke to spread from the fire floor to higher floors through the vertical passages of the building. Therefore, special attention must be paid to the control of smoke movements. This article focuses on the application of air conditioning systems in flue gas control. Chimney effect caused by the state of the air flow during the fire by wind, chimney effect and air conditioning system