Fire extinguishers can be seen everywhere in our daily life. All shopping malls, supermarkets, various companies, libraries, and cars must be equipped with fire extinguishers. There are many types of fire extinguishers, and the use of various fire extinguishers is different, so When we use it, we should pay attention to which type of fire extinguisher to use and how to use it is correct. The following describes the use of various fire extinguishers.

　　 First, foam fire extinguisher

　　Usage:

　　 1) It is suitable for fighting general fires, such as oil products, grease and other fires that cannot be rescued with water.

　　 2) Fires with water-soluble flammable and flammable liquids, such as alcohols, esters, ethers, ketones, etc., cannot be extinguished in the fire.

　　 3) Foam fire extinguishers cannot be used to extinguish fires of live equipment.

  Instructions:

　　 1) When not reaching the ignition source, remember not to tilt or move it.

　　 2) When the distance to the fire is about 10 meters, remove the safety plug.

　　 3) After pulling out the safety plug, turn the fire extinguisher upside down, hold the lifting ring with one hand, and hold the bottom ring of the cylinder with the other hand.

　　 4) Just spray the source of the fire.

　　 The second kind, dry powder fire extinguisher

　　Usage:

　　 1) Dry powder fire extinguishers can extinguish general fires, as well as fires caused by the combustion of oil and gas.

　　 2) It is mainly used to fight the initial fire of flammable liquids, combustible gases and electrical equipment such as petroleum and organic solvents.

  Instructions:

　　 1) Pull out the safety plug and shake it up and down a few times.

　　 2) Stand upwind according to the wind direction.

　　 3) Aim at the root of the flame, hold the pressure bar in one hand, and hold the nozzle in one hand to extinguish the fire.

　　 The third kind, carbon dioxide fire extinguisher

　　Usage:

　　 1) Used to extinguish the initial fire of books, archives, valuable equipment, precision instruments, electrical equipment below 600 volts and oils.

　　 2) It is suitable for fighting general B fires, such as oil products, grease and other fires, but also for A fires.

　　 3) Fires of water-soluble flammable and flammable liquids in Class B fires, such as alcohol, ester, ether, ketone and other substances, cannot be extinguished.

　　 4) It is not possible to extinguish live equipment and Class C and D fires.

  Instructions:

　　 1) Do not incline the fire extinguisher excessively before use, and do not take it horizontally or upside down to prevent the two agents from mixing and spraying out in advance.

　　 2) Pull out the safety bolt, turn the cylinder upside down, hold the lifting ring with one hand, and hold the bottom ring of the cylinder with the other hand.

　　 3) Point the jet at the burning object and press the handle to extinguish the fire.