引言建筑的防烟设施主要设置在防烟楼梯间及前室、消防电梯前室、合用前室、封闭楼梯间、避难层(间)等部位;地下室、内走道、中庭、无窗或设有固定窗房间等不具备自然排烟条件的部位应设置机械排烟设施。防排烟设施是保障人民生命财产安全不可缺少的消防安全设施,但由于部 Introduction The building’s smoke-proof facilities are mainly installed in the anti-smoking stairwell and front room, fire elevator front room, combined front room, enclosed stairwell, refuge floor (room) and other parts; basement, internal walkway, atrium, Fixed window rooms and other places do not have the natural smoke exhaust conditions should be set mechanical exhaust facilities. Smoke control facilities are indispensable to the safety of people’s lives and property, but due to the Ministry of