Should the fire stand on the upper air or the lower air?
Upper air inletBecause the air outlet is the direction of the wind blowing, the air outlet is the direction of the wind blowing. Fire and smoke are from the air outlet down the wind, people standing under the tuyere, it is easy to cause burns and suffocation.
Compared with the downwind fire, the fire fighting effect is better. Sometimes due to terrain restrictions can not be in the upper air, but also try to choose the direction of the side of the air outlet, at the same time, according to different fire source categories, choose a reasonable fire extinguishing methods.
Upper air inlet.The reason is to prevent fire personnel injured, and when the wind is better than the fire extinguishing effect. At the same time, according to different fire source categories, choose a reasonable fire extinguishing method.
