combination fire smoke damper

This paper analyses the problems about the control of the mechanical smoke extraction system,and discusses the problem about smoke fire dampers and smoke exhausting fans.

分析了机械排烟系统的有关控制问题,对排烟风机和排烟防火阀的有关问题进行了探讨,提出了优化机械排烟系统的一些措施。