Fire exhaust fan is a very popular device, with good results, is a device that received more attention in recent years, of course, when in use, we need to pay attention to a lot, especially in fire smoke wind turbine regulations. Wind fire exhaust fan such provisions are mainly four aspects: 1, responsible for two or more partitions exhaust smoke, the smoke partition should be the maximum area per square meter of not less than 120m3 / h is calculated. 2, responsible for a smoke or smoke partitions larger than 6.0m headroom does not draw smoke partition room, per square meter area shall be not less than 60m3 / h calculation (single wind turbine should be not less than the minimum amount of smoke . 7200m3 / h 3, in the atrium when the volume is less than 17,000, the amount of smoke six times its volume / h ventilation calculation; atrium volume greater than 17,000, its exhaust volume four times its volume / h ventilation calculation ; but not less than the minimum amount of smoke 102000m3 / h; 4, between the high-rise building stairwell with a podium and the front room, elevator before the fire room or shared room, when to turn the podium over the use of the site outside the window natural smoke, when the skirt part does not have natural ventilation conditions, the front room or shared room should be set to the local mechanical exhaust facilities, according to the amount of smoke in front of their room per square meter less than 60m3 / h calculated above is simply the amount of wind rating on fire exhaust fan, I hope everyone when in use, take note.

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