Common fire extinguisher type classification and how to use it correctly

Update:08-09-2018
Summary:

Dry powder fire extinguisher It is a general-purpose fi […]

Dry powder fire extinguisher
It is a general-purpose fire-fighting equipment used to extinguish the initial fire of petroleum and its products, flammable gases and electrical equipment. When using, hold the nozzle with one hand, align with the fire source, and extract the pull ring with one hand, it will spray a thick cloud of mist, cover the burning area, and extinguish the fire. Dry powder fire extinguishers should be protected from moisture and sunlight, and should be kept out of air leakage every six months.
Foam fire extinguisher
 
Used to fight fires caused by gasoline, kerosene, diesel and wood. It can be used by holding the ring in one hand and the bottom of the hand. Turn the fire extinguisher upside down and shake it a few times. The foam will be ejected. Be careful not to spray the fire extinguisher, do not open the cover, and do not spray it with water. The user should operate at the upwind.
Carbon tetrachloride fire extinguisher
Mainly used to extinguish electrical equipment to extinguish fires. Never use it for fires caused by potassium, sodium, magnesium, aluminum powder or calcium carbide. When using, pay attention to the wind direction and indoor ventilation to prevent poisoning.
1211 fire extinguisher
It is a pressure type gas fire extinguisher with high fire extinguishing performance, low toxicity, low corrosivity, not easy to deteriorate, and no trace of sputum sparks. It is used to extinguish oils, electrical appliances, precision instruments, instruments, books and other fires. When using, first unplug the safety pin, hold the pressure handle with one hand, and align the nozzle with the root of the fire source with one hand. The pressure lever is opened, and the left and right fire is swept and pushed forward rapidly. The 1211 fire extinguisher should be protected from dryness and dryness. Check the total weight every six months. If the weight drops by one tenth, fill the air.