There are many types of fire extinguishers. According to their moving methods, they can be divided into: portable and cart type; according to the power source of driving the fire extinguishing agent, they can be divided into: gas cylinder type, pressure storage type, chemical reaction type; according to the fire extinguishing filled The agent can be divided into: foam, dry powder, halogenated alkane, carbon dioxide, water and so on.
Principle: The dry powder fire extinguisher is filled with dry powder fire extinguishing agent. Dry powder fire extinguishing agent is a dry and easy-to-flow fine powder used for fire extinguishing. It is composed of inorganic salt with fire extinguishing effect and a small amount of additives through drying, crushing and mixing to form a fine solid powder. Use compressed carbon dioxide to blow out dry powder (mainly containing sodium bicarbonate) to extinguish the fire.
Structure: The dry powder fire extinguisher uses carbon dioxide gas or nitrogen gas as power to spray the dry powder in the bottle to extinguish the fire. Dry powder is a kind of dry, easy-to-flow fine solid powder, which is composed of a base material capable of extinguishing fire and additives such as moisture-proof agent, flow promoter, and anti-caking agent.
