Fabricated smoke prevention and exhaust air duct for high-rise building

• Main Authors: YANG RUIHUA, ZHAO ZHIQIANG, REN LINZHUAN, HAO RUI, DONG BOJUN
• Format: Patent
• Language: Chinese; English
• Published: 06.01.2023
• Subjects: BUILDING; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS

The invention relates to a high-rise building assembly type smoke prevention and exhaust air duct which comprises a plurality of assembly type concrete air duct sections and assembly type lining metal air duct sections, and each assembly type lining metal air duct section comprises a pair of first lining steel plates and a pair of second lining steel plates. The first lining steel plates and the second lining steel plates are connected into a rectangle in an inserted mode and arranged on the inner walls of the assembly type concrete air duct sections, first fixing assemblies are arranged between the first lining steel plates and the upper side walls and the lower side walls of the assembly type concrete air duct sections, and second fixing assemblies are arranged between every two adjacent spliced assembly type concrete air duct sections. The second lining steel plates are fixed to the left side wall and the right side wall of the fabricated concrete air duct section through second fixing assemblies. A tradit