Smoke extraction machine room: a technical room where smoke extraction fans are installed for fire protection. The function of the smoke exhaust fan is: When a fire breaks out in the basement, a large amount of smoke is generated. At this time, the fire smoke exhaust fan starts to remove smoke from the fire area. Additionally, the smoke exhaust fan can also be used to reduce the air in the basement.
Fan room: the technical room where the fan is installed. If the air supply fan is installed on the roof of a high-rise building and supplies air to the stairwell or elevator front room through the duct well, it is called air supply. positive pressure air. Its function is also to supply air to the stairwell or. front room of the elevator when a fire breaks out upstairs. Guarantor of asafe evacuation.