正压通风是目前国际消防界热衷研究的一个课题。过去，风机只是用来替代排烟机，人们还没有充分理解正压通风的概念。大约在七年前，美国制造商提供了可用的指导方法后，英国泰因河维尔消防局才第一次认真地注意到正压通风这一概念。经过了大量的研究和试验后，风机终于被战略 Positive pressure ventilation is a subject that the international fire protection industry is keen to study. In the past, the fan was only used to replace the smoke machine, people have not fully understand the concept of positive pressure ventilation. About seven years ago, the manufacturer of the United States provided the available guidelines, and for the first time, the Tyne andville Fire Station in the United Kingdom took the first serious note of the concept of positive pressure ventilation. After a lot of research and testing, the fan has finally been a strategy