What type of fire can not be put out by a dry fire extinguisher?
Can not be used to fight metal, potassium, sodium, magnesium and other substances fire, because these metals and carbon dioxide can chemically increase the fire. When using carbon dioxide extinguisher, the hand must be held on the wooden handle behind the spray drum, and then switch on, do not touch the jet directly. Because of the low temperature of the cylinder, the hand touches frostbite.
When the utility model is used, the safety pin is first opened, the nozzle is held in one hand, the fire source is aligned, and the pull ring is pulled by the other hand, and the fire source can be put out. The liquid carbon dioxide fire extinguisher has the characteristics of no moisture, no electricity, no material damage, no stain, etc., and is suitable for extinguishing the fire of electric appliances, precision instruments, libraries, archives and so on.
Foam extinguisher is suitable for fighting general B fire, such as oil products, grease and other fire, can not put away live equipment, etc., dry powder extinguisher suitable for extinguishing oil, flammable gas, electrical equipment, such as the beginning of fire.
