Cart-type carbon dioxide fire extinguishers are generally operated by two people. When using them, two people push or pull the fire extinguisher to the burning place, stop it about 10 meters away from the burning object, and one person quickly removes the horn and unfolds the spray hose, then holds For the handle at the base of the horn, another person quickly turns the handwheel counterclockwise and turns it to the maximum position. The fire extinguishing method is the same as the portable method.
Principle: Rapidly lower the temperature of combustibles and isolate them from the air.
Advantages: When extinguishing fire, it will not leave any traces and damage the items, so it can be used to extinguish books, files, valuable equipment and precision instruments, etc.
