What are the uses and methods of dry powder fire extinguisher, foam fire extinguisher, carbon dioxide fire extinguisher?
Use of dry powder fire extinguisher:
It is suitable for fighting all kinds of flammable, flammable liquid and flammable, combustible gas fires, and electrical equipment fires
How to use dry powder fire extinguisher:
①Remove the lead seal;
② Unplug the insurance pin;
③ Hold the nozzle in the left hand and the pressure bar in the right hand;
④At a distance of 2 meters from the flame, press down firmly with the right hand and swing the left and right holding the nozzle, spraying dry powder to cover the entire combustion area.
Use of carbon dioxide fire extinguisher:
It is suitable for all kinds of flammable, flammable liquid and flammable gas fires, and can also fight the initial fire of instruments, books, archives, crafts and low-voltage electrical equipment.
Use method of carbon dioxide fire extinguisher:
①Remove the lead seal;
② Unplug the insurance pin;
③ Standing at 2 meters away from the fire source, holding the horn in the left hand, and pressing down firmly on the right hand with the right hand;
④Spray at the root of the flame and keep pushing forward until the flame is extinguished;
The use of foam fire extinguisher:
It is suitable for extinguishing all kinds of oil fires, wood, fiber, rubber and other solid combustible fires.
Use method of foam fire extinguisher:
① Cover the nozzle with your right hand, and hold the bottom edge of the tube with your left hand;
② Turn the fire extinguisher upside down in a vertical state, shake it up and down a few times, and then release the nozzle;
③ Grasp the ear of the barrel with your right hand, grab the bottom edge of the barrel with your left hand, point the nozzle towards the combustion zone, stand at a position 8 meters away from the fire source, and continue to advance, spraying around the flame until the flame is not extinguished;
④ Lay the foam fire extinguisher on the ground after extinguishing the fire, with the nozzle facing down.

