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烟控的目的是为了防止烟气扩散,而不是排抽烟气。如欲进行烟气控制,与其设法排烟还不如利用室外空气增加建筑物内的压力,使已增压区无烟,并保证建筑物居民的安全。烟控系统的作用通常仅在火灾开始阶段使居民在消防队员扑灭火灾时安全撤离。许多机械工程公司运用ASHRAE推荐的设计标准,设计出了建筑物的烟控系统。
The purpose of tobacco control is to prevent the spread of smoke, not to discharge gas. For smoke control purposes, it is better to use outdoor air to increase the pressure inside the building instead of trying to exhaust the smoke, so that the supercharged area is smoke-free and the safety of the residents of the building can be guaranteed. The function of the smoke control system is usually to allow the residents to evacuate safely when the firefighters extinguish the fire at the beginning of the fire. Many mechanical engineering companies used the design standards recommended by ASHRAE to design a building’s smoke control system.