说明公共娱乐场所设置防排烟设施的必要性,探讨该场所防排烟方式的选择,防排烟设置部位,机械排烟量计算,以及公共娱乐场所自身存在的问题。并指出多层民用建筑或人防工程内公共娱乐场所机械排烟系统与通风系统相结合,通篇文章体现该场所防排烟设计简便实用性。 Describe the necessity of setting smoke control facilities in public places of entertainment, and discuss the selection of smoke control and prevention methods, the site for setting smoke control and smoke extraction, the calculation of mechanical smoke exhaust and the problems in public entertainment venues. And pointed out that the combination of mechanical smoke exhaust system and ventilation system in public entertainment venues of multi-storey civil buildings or civil air defense projects shows the convenience and practicability of the smoke exhaust control design in this place throughout the article.