Essay on how to use a dry powder fire extinguisher 150 words

High-quality answer The performance and use of fire extinguishers 1, the performance of fire extinguishers, fire extinguishers are used to extinguish the initial fire, at present, our school is equipped with two types of portable fire extinguishers (1) 1211 fire extinguishers, its internal agent is liquid halides, can extinguish combustible gas, electrical and wood, cotton wool and other types of fires can also extinguish precision instrument fires dry powder fire extinguisher use essay 150 words.

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 most commonly used opening method for dry chemical fire extinguishers is the pressure handle method. After lifting the fire extinguisher to the appropriate position from the fire source, first turn it upside down several times to loosen the dry powder in the cylinder, and then let the nozzle be aimed at the most violent burning, pull out the safety pin, press down the pressure handle, and the fire extinguishing agent will be sprayed out to extinguish the fire.

When turning on the dry powder fire extinguisher, hold the middle of the fire with your left hand, aim the nozzle at the root of the flame, pull out the safety card with your right hand, rotate the opening knob, open the gas storage cylinder, and wait for 1-4 seconds, and the dry powder will spray out to extinguish the fire.

Specific steps: 1. First shake the fire extinguisher a few times to loosen the dry powder in the bottle, and then unplug the safety pin.

2. Hold the bottom of the bottle with your left hand, hold the handle with your right hand, and press the handle.

3. Aim at the root of the flame and spray until the flame is extinguished.

Although dry chemical fire extinguishers are not often used, they are still very important in emergency situations, so many friends do not know how to operate when facing dry chemical fire extinguishers? The specific operation steps are as follows:

Step 1: First pick up the fire extinguisher, directly shake the fire extinguisher tank about three times, remember that you don't need to shake it many times.

Step 4: Press the handle 4 to 6 meters away from the ignition point, we must choose an upwind position or crosswind direction close to the fire point, and shoot the dry powder directly into the fire.

Step 5: Extinguish the fire with a fire extinguisher and cool it with water to remove the smoke to prevent re-ignition.

Therefore, even if you do not encounter a fire, you must learn to use it when preparing a dry powder fire extinguisher for dates, which is equivalent to a very basic common sense.

How to use dry chemical fire extinguisher:

1. Before use, turn the bottle upside down several times, shake it upside down to loosen the dry powder, and then pull out the seal.

2. Pull out the insurance pin.

3. Keep a safe distance (about 2-3 meters away from the fire source), press the pressure handle with your right hand, swing the nozzle from side to side with your left hand, aim the nozzle at the root of the flame, press down the pressure handle with your right hand, and spray dry powder to cover the burning area until the fire is completely extinguished.

1. Pull out the insurance pin;

2. Lift the fire extinguisher right and press the handle;

3. Hold the nozzle with your left hand and aim at the root of the fire source; (About 3 meters away from the fire source; Pay attention to the distance during the drill, don't get too close, safety first).

The use of portable dry powder fire extinguisher, should be carried out at a distance of about 3-5 meters from the combustible, the operator should first shake the fire extinguisher up and down and then remove the safety pin on the opening pressure handle, and then hold the root of the nozzle in front of the jet hose with one hand, and the other hand will press down the opening handle, and quickly aim at the root of the flame to spray dry powder to extinguish the fire. When extinguishing the fire, it is necessary to extinguish the fire quickly and thoroughly, and do not leave residual fire to prevent recurrence.

The use of dry powder fire extinguishers, the most careful explanation, have you learned.

Hello, using a dry chemical fire extinguisher is a very important skill because it can save lives and property in the event of a fire. The following are the steps to properly use the Qi Chong dry powder fire extinguisher:1

Confirm the source of the fire: Before using a dry chemical fire extinguisher, you need to confirm the location and size of the fire source. If the fire source is too large or you cannot determine the location of the fire source, evacuate immediately and seek professional help.

2.Pull the safety pin: Before using a dry chemical fire extinguisher, you need to pull the safety pin.

The safety pin is usually located on the handle of the fire extinguisher, which prevents the fire extinguisher from accidentally spraying. 3.Aim for the source of fire:

Point the fire extinguisher at the fire source and make sure the distance is no more than 3 meters. If you are too far away from the fire, the effectiveness of the dry chemical fire extinguisher will be affected. 4.

Press the trigger: Press the trigger of the fire extinguisher and spray the dry powder onto the fire source. Note that you will need to keep the fire extinguisher vertical to ensure that the dry powder is sprayed in the correct position.

5.Fire extinguishing: Spray dry powder onto the fire source and extinguish the fire source.

If the fire is not extinguished, repeat the above steps. 6.Confirm that the fire has been extinguished:

After using a dry chemical fire extinguisher, make sure that the fire has been extinguished. If the fire is not extinguished, evacuate immediately and seek professional help. In conclusion, the proper use of a dry chemical fire extinguisher requires you to familiarize yourself with the above steps and stay calm in the event of a fire.

If you are unsure how to use a dry chemical fire extinguisher, please refer to the instructions on the fire extinguisher or seek professional help. <>

Correct usage of dry powder fire extinguisher 1, when using a portable dry powder fire extinguisher, should be carried by the handle of the portable fire extinguisher, and quickly rush to the fire. 2. Put down the fire extinguisher at a distance of about 5 meters from the ** point. When used outdoors, it should occupy the upwind direction.

3. Before use, turn the fire extinguisher upside down several times to loosen the dry powder in the cylinder. 4. If you are using a built-in or storage type dry powder fire extinguisher, you should first pull out the safety pin, hold the nozzle with one hand, and press down the pressure handle with the other hand, and the dry powder will be sprayed out of the nozzle. 5. If the external dry powder fire extinguisher is used, hold the nozzle with one hand, lift the ring with the other hand, and hold the handle, and the dry powder will be sprayed out of the nozzle.

6. When using a dry powder fire extinguisher to extinguish a liquid fire, it should be from the side of the flame. Shoot at the root of the flame, and from near to far, sweep left and right, and quickly advance until the flames are completely extinguished. 7. When using a dry powder Xiangcong oak fire extinguisher to extinguish the fire of combustible liquid in the container, it should also be aimed at the root of the flame from the side of the flame and swept left and right.

When the flame is driven out of the container, move forward quickly and extinguish all embers. When extinguishing the fire, care should be taken not to spray the nozzle directly at the liquid level, so as to prevent the impact of the dry powder airflow from splashing the oil and expanding the potential, resulting in difficulty in extinguishing the fire. 8. When using a dry powder fire extinguisher to extinguish a solid material fire, the fire extinguisher should be made to shoot left and right at the place where Zheng Lizhun burns the most violently, and the dry powder fire extinguishing agent should be sprayed evenly on the surface of the burning material as much as possible until the fire is completely extinguished.

9. When using dry powder fire extinguishers, it should be noted that the fire extinguishing process should always be kept upright, and should not be used horizontally or upside down, otherwise it cannot be sprayed; At the same time, pay attention to the dry powder fire extinguisher to prevent re-ignition after extinguishing the fire, because the cooling effect of the dry powder fire extinguisher is very small, and it is easy to re-ignite after extinguishing the fire under the condition that there is a hot object at the ignition point. When using a portable dry chemical fire extinguisher to extinguish a solid combustible fire, it should be sprayed at the place where the burning is most violent, and swept up and down, left and right. If conditions permit, the user can carry the fire extinguisher along the perimeter of the combustible material and spray it to make the dry powder fire extinguishing agent evenly spray on the surface of the combustible material until the flame is completely extinguished.

Dry powder fire extinguishers should be visually inspected once a month, mainly to check the pressure gauge of the fire extinguisher, when the pressure gauge pointer is lower than the green line area, it should be immediately pressurized for maintenance; The newly purchased ABC dry powder fire extinguisher tank should be tested once in 5 years, after the first test, and then every 2 years after the water pressure test, the mandatory scrapping period of the tank is 10 years.