Outside many hotels, we will see a large smoke exhaust pipe to exhaust useless exhaust gas, but do you know that, Shenyang smoke exhaust project How is the installation position of?

The ventilation and smoke exhaust pipe facilities of high-rise buildings shall be divided into mechanical smoke exhaust facilities and natural smoke exhaust facilities that can open external windows.

The mechanical smoke exhaust system of the room is set according to the smoke control zone.  

(1) The following parts of Class I high-rise buildings and Class II high-rise buildings with a building height of more than 32m shall be equipped with smoke exhaust facilities:

1) Internal walkways with a length of more than 20m;

2) Rooms with an area of more than 100m2 and frequent people staying or more combustibles;

3) Atrium of high-rise buildings and basements where people often stay or there are many combustibles.  

(2) Fire and smoke prevention measures shall be taken for ventilation and air conditioning systems.  

(3) The following parts of Class I high-rise buildings and Class II high-rise buildings with a building height of more than 32m shall be equipped with mechanical smoke exhaust facilities:

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