When accidental exhaust gas can be avoided without additional air, the main reasons are as follows. Accidental exhaust gas refers to a workshop suddenly emitting a large amount of harmful gases or explosive gases when production equipment accidentally breaks down or suffers an accident. is ventilation used in emergency situations. The system is primarily intended for personnel who need to enter and repair in time to prevent explosions and other disasters from developing. There is also post-accident ventilation, which refers to the gas fire extinguishing system installed in an important electronic computer; premises to evacuate toxic gases once the gas fire has been extinguished. Premises equipped with gas extinguishers generally do not require the installation of a smoke extraction system.
There are no direct requirements regarding the distance between scomputer alles, but it should be noted that when the exterior smoke exhaust vents and the air inlets of the make-up air system are arranged horizontally, the horizontal distance should not be less than 10 meters When they are arranged vertically, they must be. The smoke exhaust outlet must be at the top and the height difference must not be less than 3 meters. Therefore, this factor must be taken into account when arranging the computer room.