Design and analysis of smoke exhaust in complex atrium space of Yiwu Grand Theater

The complex architectural space of the public front hall of the Yiwu Grand Theater and the division of its internal smoke-proof partitions are presented. Through the detailed calculation, analysis and comparison of natural smoke exhaust and mechanical smoke exhaust in the front hall, the mechanical smoke exhaust method of the front hall and the mechanical smoke exhaust volume of each smoke prevention zone are determined. Fire smoke simulation is carried out on the smoke thickness of the front hall by using fire simulation software，and the rationality of the smoke exhaust design scheme is verified.