The four words of dry powder fire extinguisher, the four steps of dry powder fire extinguisher

How to use the fire extinguisher and precautions How to use the fire extinguisher and precautions.

There are many types of fire extinguishers, suitable for extinguishing different types of disasters, and the use methods are not the same

1) Portable foam fire extinguisher.

Foam fire extinguishers are suitable for extinguishing the initial disaster of oil and general substances.

When using, hold the lifting ring of the fire extinguisher with your hand, and lift it to the fire scene smoothly and quickly, do not carry it horizontally or horizontally.

When extinguishing the fire, hold the ring with one hand and the bottom edge of the barrel with the other hand, turn the fire extinguisher upside down, aim the nozzle at the fire source, and shake it vigorously a few times to extinguish the fire.

Note: Do not put the cover and bottom of the fire extinguisher against the human body to prevent the cover and bottom from popping out and hurting people.

Do not spray together with water at the same time to avoid affecting the extinguishing effect.

When extinguishing electrical fires, try to cut off the power supply first to prevent personnel from being electrocuted.

2) Portable carbon dioxide fire extinguisher.

Carbon dioxide fire extinguishers are suitable for extinguishing the initial disaster of precision instruments, electronic equipment and electrical appliances below 600 volts.

Portable CO2 fire extinguishers can be used in two ways, namely handwheels and duckbills.

Handwheel: Hold the handle of the spray canister with one hand, tear off the lead seal with the other hand, rotate the handwheel in an anticlockwise direction, turn on the switch, and carbon dioxide gas will be ejected.

Duckbill type: Hold the handle of the spray canister with one hand, pull out the safety pin with the other hand, and press down the duckbill on the handle to extinguish the fire.

Note: When extinguishing the fire, personnel should stand upwind.

The hand holding the spray canister should be held at the gum nozzle to prevent frostbite.

After indoor use, ventilation should be strengthened.

3) Portable dry chemical fire extinguisher.

Dry powder fire extinguishers are suitable for extinguishing initial disasters such as oil, combustible gas, and electrical equipment.

When using, first open the safety pin, hold the nozzle with one hand, aim at the fire source, and pull the pull ring with the other hand to extinguish the fire source.

The essentials of using the four words of dry powder fire extinguisher: pull, hold, press and sweep.

The four steps of using a dry chemical fire extinguisher are as follows:Tools Required: Dry chemical fire extinguisher.

The first step is to shake the fire extinguisher, as shown in the figure below

The second step, to use the seal to pull out the answer, as shown in the following figure:

The third step is to pull out the fuse pin, as shown in the figure below

Fourth, the last distance from the fire source is about 2-3 meters, drag the bottle with the left hand, and press the switch with the right hand to spray the dry powder out to extinguish the fire, as shown in the following figure:

According to the strict investigation and investigation of our hidden car: we learned to shake the fire extinguisher several times and pull the safety tips apart. Place the hose toward the root of the flame.

Press down firmly on the handle, select an upwind position close to the fire point, and shoot the dry powder into the root of the flame. After extinguishing, it is cooled with water to remove smoke. Dry powder fire extinguisher is a kind of fire extinguisher, which can be divided into according to the type of dry powder fire extinguishing agent filled:

ordinary dry chemical fire extinguisher; Ultra-fine stove dry powder fire extinguisher. The dry powder fire extinguisher is equipped with ammonium phosphate and other dry powder fire extinguishing agents, which have easy fluidity and dryness, and are composed of inorganic salts and crushing and drying additives, which can effectively extinguish the initial disaster.