Based on safety needs, firefighting smoke is widely used in daily life and all walks of life.Under normal circumstances, the occurrence of fire accidents often occurs suddenly, has no precursor, and spreads very fast, so it is extremely important for the initial installation.The effect.Therefore, the installation of firefighting smoke is strictly regulated.
Three major installation specifications for fire exhaust fan:
① Fire fire exhaust fan should be set in a dedicated fan room or on the outdoor roof. The fan room should use a degenerate wall with a refractory limit of not less than 2.0h and a 1.5h floor and Grade A fire door separated from other parts.
② When the conditions are limited, it can be set in a dedicated space. The surrounding surroundings around the space should be not combined with a refractory limit of not less than 1.0h, and there should be space of more than 600mm on both sides of the fan.
③ When the machine room must be used with other fan, it is necessary to ensure that there should be an automatic water spray fire extinguishing system in the machine room; a fan and pipe for pipes used for pressurizing the air supply;take over.