Traditional Culture Encyclopedia - Hotel reservation - Mechanical smoke exhaust, such as a 1000 square hotel, has done smoke exhaust. Calculate various values (tuyere size, pipe length and width, etc. ).
Mechanical smoke exhaust, such as a 1000 square hotel, has done smoke exhaust. Calculate various values (tuyere size, pipe length and width, etc. ).
2. According to the specification, the wind speed of metal air duct for smoke exhaust should not exceed 20m/s, the aspect ratio of air duct section should not exceed 1: 6, and the limit value should not exceed 1: 10. According to the air volume and wind speed, the diameter of the air duct can be calculated.
3. In the same way, the tuyere size is the same. The wind speed of the smoke outlet shall not exceed10m/s. According to the total air volume and 30m spacing of each smoke prevention zone, at least several air outlets are needed, which may be more or less, depending on the actual needs. Because the air outlets are sometimes limited by the pipe diameter, the effective area of the metal louver can be counted as 70%, that is, the air outlet size can be calculated.
4, natural smoke, the net area of the window (except window frames, etc.). ) Atrium should not be less than 5% of the floor area of low ground, and other rooms should not be less than 2% of the floor area.
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