How to use a dry chemical fire extinguisher, how to use a dry chemical fire extinguisher?

How to properly use a portable dry chemical fire extinguisher.

Portable dry powder fire extinguisher is a small fire extinguisher equipment with high fire extinguishing efficiency, simple operation and easy to carry, which has the advantages of non-toxic, non-corrosive and easy to clean up the rescued items after use. Users should master the following points in the process of use:

1. Shake the fire extinguisher tank up and down more than three times.

2. Pull the safety pins apart.

3. Hold the powder tube and point it towards the fire.

4. Press down the handle 4-6 meters away from the ignition point, select the upwind position or crosswind direction to approach the fire point, and shoot the dry powder into the base of the flame.

5. After extinguishing, cool with water to remove smoke to prevent re-ignition.

Author: Komatsu Blog |Level 5 | 2005-8-24 14:29

The dry chemical fire extinguisher is filled with dry chemical fire extinguishing agent. Dry powder fire extinguishing agent is a dry and easy-to-flow fine powder used for fire extinguishing, which is composed of inorganic salts with fire extinguishing effect and a small amount of additives that are dried, crushed and mixed into fine solid powder. It is a fire extinguishing agent that is widely used in fire fighting, and is mainly used in fire extinguishers.

In addition to the special dry powder chemical fire extinguishing agent for fighting metal fires, dry powder fire extinguishing agents are generally divided into two categories: BC dry powder fire extinguishing agent and ABC dry powder. Dry powder fire extinguishing agent mainly extinguishes the fire through the physical and chemical action that occurs when the powder mist sprayed under the action of pressurized gas comes into contact with the flame and mixes. In addition, there is also a partial dilution of oxygen and cooling.

The most commonly used opening method for dry chemical fire extinguishers is the pressure handle method. After the fire extinguisher is lifted 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 place, 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 it with the left hand, aim the nozzle at the root of the flame, pull out the safety card with the right hand, rotate the opening knob, open the gas storage cylinder, delay for l-4 seconds, and the dry powder will be sprayed out to extinguish the fire.

Just pull the lid open.

Fire extinguishers we can see in many places, not only in large shopping malls or in the houses we live in, fire extinguishers are a kind of thing that can be seen everywhere, now the fire prevention measures are getting better and better, the publicity of fire prevention awareness is also getting stronger and stronger, we must have a sense of prevention and protection, because there is no measure in the fire, it can be said that we are not afraid of 10,000 in case, we must have strong preventive measures, not only to have a fire extinguisher, we also have to learn to use it, How should we use a dry chemical fire extinguisher?

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

Step 2: Then pull the safety pins apart, which is a stick-like thing.

Step 3: Hold the powder tube with your other hand and aim it at the ignition point.

Step 4: Press the handle 4 to 6 meters away from the fire point, we must choose an upwind position or crosswind direction close to the Bushan 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.

Fire extinguishers are very simple and easy to learn, we must everyone to master well, our awareness of fire prevention should also continue to increase, now we are teaching fire prevention knowledge from an early age, no matter what age you are, you will learn how to use fire extinguishers, will use fire extinguishing hidden drawbacks will also bring us our own safety on the stove protection, if you are unfortunate enough to encounter a fire, we also have to ensure that we will not panic, to keep calm, the safe use of fire extinguishers is really very important.

The use of dry chemical fire extinguishers is as follows:Tools Required: Dry chemical fire extinguisher.

The first step is to shake the fire extinguishing spine device, as shown in the figure below

The second step, to use when the seal is pulled out, as shown in the following figure: age belt.

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 figure below

Dry powder fire extinguisher, as a type of fire extinguisher that is often seen at home and in public places, is a good helper for us to defend home safety, so the question is, how to use a dry powder fire extinguisher? Below we will bring it to youHow to use dry chemical fire extinguisher, I hope you can grasp it in detail after reading it.

How to use a dry chemical fire extinguisher?

How to use dry chemical fire extinguisher

1. Carry a fire extinguisher and quickly rush to the fire scene;

2. Turn the fire extinguisher upside down several times to loosen the dry powder in the cylinder;

3. At a distance of about 5 meters from the ** point, unplug the safety pin; 2-3 meters away from the fire point, hold the nozzle with one hand and press down the pressure handle with the other hand; It is forbidden to use the fire extinguisher lying sideways or upside down;

4. When extinguishing a liquid fire, aim at the root of the flame and shoot from near to far, left and right, and advance rapidly until all the flames are extinguished;

5. When extinguishing a solid fire, the mouth of the fire extinguisher should be aimed at the most violent burning place, and the dry powder fire extinguishing agent should be evenly sprayed on the surface of the burning material as much as possible until the fire is completely extinguished.

Precautions for the use of dry chemical fire extinguishers:

1. Choose a dry powder fire extinguisher that is suitable for the ignition substance;

2. It is best to turn the fire extinguisher upside down several times before spraying, so that the dry powder in the cylinder is loose, but the spray cannot be inverted;

3. Be sure to remove the safety device before pressing the handle or pulling the lifting ring; Know the heights.

4. When using a fire extinguisher (more than 4 kg) with a spray hose, be sure to hold the nozzle or spray gun of the nozzle with one hand before spraying, and then open the release valve with the other hand;

5. When extinguishing the fire, stand upwind, 1-2 meters away from the fire at the beginning;

6. When extinguishing liquid fire (Class B fire), it cannot be sprayed directly to the liquid surface, but should swing quickly about 10 cm on the liquid surface from near to far, covering the burning surface and cutting the flame;

7. When extinguishing Class A fire, the flame can be suppressed from top to bottom, and the fire extinguishing agent should be sprayed evenly on the top and bottom of the combustible, so as to prevent recurrence;

8. When storing dry powder fire extinguishers, they should not be close to heat sources or sunlight, pay attention to moisture, and regularly check whether the driving gas is qualified;

9. Do not extinguish the fire of live objects with a voltage of more than 5000 volts.

The above is for you to bring you how to use a dry chemical fire extinguisher? The whole list of how to use a dry chemical fire extinguisher.

1. When using a portable dry powder fire extinguisher, the handle of the portable fire extinguisher should be put down at a distance of about 5 meters from the ** point. When used outdoors, it should occupy the upwind direction.

2.Before use, turn the fire extinguisher upside down several times to loosen the dry powder in the cylinder.

3. 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 from the nozzle.

Data Development:Dry powder fire extinguisher is a kind of fire extinguisher, which can be divided into ordinary dry powder fire extinguishers according to the type of dry powder fire extinguishing agent; Sakura slow blind ultra-fine 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.