The use of common fire extinguishers

The weather is dry in the winter, with slight carelessness, which can easily cause an unfortunate fire. To this end, on the one hand, we must pay attention to safety and avoid fires as much as possible. On the other hand, it is also necessary to know the scope of application and use of common fire extinguishers:

Foam fire extinguisher

Scope of application: Used to fight fires caused by gasoline, kerosene, diesel and wood.

How to use: Hold the handle with one hand, place it on the bottom of one hand and remove the fire extinguisher; hold the nozzle with your right hand, and hold the bottom edge of the cylinder with your left hand; turn the fire extinguisher upside down and shake it a few times; release the nozzle and spray the nozzle towards the burning area.

Matters needing attention: Do not spray to the person, do not open the cap, do not spray with water. After the fire has been extinguished, put down the fire extinguisher with the nozzle down.

2. Dry powder fire extinguisher

Scope of application: It is used to fight the initial fire of petroleum and its products, combustible gases, and electrical facilities.

How to use: Hold the nozzle, point it at the fire source, remove the seal, unplug the safety pin, press the handle with your right hand, swing the left hand pipe, and spray the fog to cover the entire combustion area.

Matters needing attention: The fire extinguisher should pay attention to prevent damp, leak. After each use, refill and inflate.

3. Carbon dioxide extinguisher

Scope of application: A variety of flammable, flammable liquids, flammable gas fires, but also to save the initial fire of instruments, books and archives, process equipment and low-voltage electrical equipment.

How to use: Hold the pressure handle with your right hand, remove the seal, unplug the safety pin, and use the left hand to hold the horn. The right hand presses the pressure handle firmly against the base of the fire.

Matters needing attention: Wear gloves when using, so as to avoid skin contact with spray tube and spray hose to prevent frostbite. When fighting an electrical fire, if the voltage exceeds 600 volts, it should be extinguished after the power is turned off.