First: How to use dry powder extinguisher

Scope of application: It is suitable for fighting all kinds of flammable, combustible liquid and flammable, combustible gas fires, as well as electrical equipment fires.

1. Pull the handle with the right hand and the bottom of the fire extinguisher with the left hand to gently remove the fire extinguisher

2. Take the fire extinguisher to the site with your right hand

3. Remove the lead seal

4. Pull out the safety pin

5. Hold the nozzle with the left hand and the handle with the right hand

6. At a distance of two meters from the flame, press the handle with your right hand and swing the nozzle with your left hand to cover the whole combustion area with dry powder

Second: Use method of foam extinguisher

It is mainly used to put out all kinds of oil fires, wood, fiber, rubber and other solid combustible fire.

1. Pull the handle with the right hand and the bottom of the fire extinguisher with the left hand to gently remove the fire extinguisher

2. Take the fire extinguisher to the site with your right hand

3. Cover the nozzle with the right hand and hold the bottom edge of the cylinder with the left hand

4. Turn the extinguisher upside down to be vertical, shake it up and down a few times, and then release the nozzle.

5. Grab the cylinder ear with the right hand and the bottom edge of the cylinder with the left hand, point the nozzle toward the combustion area, stand eight meters away from the fire source and spray, and keep moving forward, and spray around the flame until the fire is put out.

6. After extinguishing the fire, lay the extinguisher on the ground with the nozzle facing downward.

Third: Use method of carbon dioxide extinguisher

It is mainly applicable to all kinds of flammable, combustible liquid and gas fires, and can also put out the initial fire of instruments, books and archives, process equipment and low-voltage electrical equipment.

1. Hold the handle with your right hand

2. Take the fire extinguisher to the site with your right hand

3. Remove the lead seal

4. Pull out the safety pin

5. Stand two meters away from the fire source, hold the horn in your left hand, and press down the handle with your right hand

6. Spray at the root of the fire source and keep pushing forward until the flame is extinguished

Fourth: Use method of wheeled dry powder extinguisher

It is mainly used to put out the initial fire of flammable liquid, flammable gas and electrical equipment. The fire extinguisher has the advantages of convenient movement, simple operation and good fire extinguishing effect.

1. Pull or push the dry powder truck to the site

2. Hold the powder spray gun with the right hand, and unfold the powder spray hose with the left hand until it is straight, without bending or looping

3. Remove the lead seal and pull out the safety pin

4. Press the air supply valve with your palm

5. Hold the powder gun pipe holder in the left hand and the gun handle in the right hand. Use your fingers to touch the powder spraying switch, aim at the flame, and continuously swing the powder gun forward, left and right, to cover the burning area with dry powder until the fire is put out.