某地下大空间通风及防排烟系统设计

The Ventilation and Smoke Prevention and Exhaust System Design of a Certain Big Basement

本文介绍了某复杂地下大空间按照通风和防排烟系统分开设置,同时采用防火分区全面排烟和控制支管排烟相结合的思路进行的系统设计,该设计能达到良好的设计效果;并且,本文就防烟分区划分中对结构梁的考虑问题、补风管路上防火阀设置等问题进行了讨论。

The paper introduces the ventilation and smoke prevention and exhaust system design of a certain complex big basement, which combines the total smoke exhaust and the branch smoke exhaust design method. Some relation issues such as the consideration of architrave in setting of fire compartment, the arrangement of fireproofing valve in the air supply duct are also discussed.