What is the fire extinguisher type memory formula for fire extinguishers, and what is the fire extin

1: Solid matter fire. It usually has the nature of organic matter, and when burned, it can produce scorching embers, such as wood, cotton, wool, hemp, etc. Water-type fire extinguishers, foam fire extinguishers, ammonium phosphate dry powder fire extinguishers, and halide fire extinguishers can be selected.

2: Liquid and meltable solid fires. Such as, gasoline, **, asphalt, paraffin, etc. Foam fire extinguishers (chemical foam fire extinguishers are limited to extinguishing non-polar solvents), dry chemical fire extinguishers, halide fire extinguishers, carbon dioxide fire extinguishers.

3: Gas fire. Such as, coal gas, natural gas, A, B, PROPANE, hydrogen fires. Dry powder fire extinguishers, halide fire extinguishers, carbon dioxide fire extinguishers, etc. can be selected.

4: Metal fire. Potassium, sodium, magnesium, titanium, pickaxe, aluminum, etc. You can choose powdered graphite fire extinguisher, special dry powder fire extinguisher, or dry sand or cast iron dust instead.

5: Electrified fire. A fire in which an object burns with electricity. Dry powder fire extinguishers, halide fire extinguishers, carbon dioxide fire extinguishers, etc. can be selected.

6: Fire on cooking utensils inside cooking utensils. For example, animal and vegetable fats and fats. A dry chemical fire extinguisher is optional.

The best position of the fire extinguisher: 1. Use it in the upwind position: the position where the wind passes first, then it is the so-called upwind position; 2. Location from the fire source:

About meters, to ensure that the fire extinguishing agent is sprayed on the igniting substance, and the position where the fire can be effectively extinguished; 3. There are no flammables, explosives, dangerous goods, and away from the power supply around the fire extinguishing position.

1. Class A fire extinguishers can be used with water type, foam and so on.

2. Choose fire extinguishers such as dry powder and carbon dioxide for class B.

3. Fire extinguishers such as dry powder and halide should be selected for class C.

4. Choose fire extinguishers such as halides and dry powder for electrical equipment.

5. Use fire extinguishers such as dry powder for fighting A, B, C and electrical equipment.

6. Choose a special dry powder fire extinguisher for class D.

Six types of fires: Class A fires: solid matter fires. This substance is usually organic in nature and can produce scorching embers when burned. Such as wood, cotton, wool, linen, paper, etc.

Category B fires: fires of liquids or meltable solids. Such as gasoline, kerosene, methanol, ethanol, asphalt, paraffin fires, etc.

Class C fires: gas fires. Such as coal gas, natural gas, methane, ethane, hydrogen, acetylene, etc.

Class D fires: metal fires. Such as potassium, sodium, magnesium, titanium, zirconium, lithium, etc.

Class E fire: live fire. Fires in which objects are charged and burned, such as electrical fires in equipment such as sockets and transformers.

Category F fire: Fire of cooking objects in cooking utensils. Such as animal and vegetable oils, kitchen pipe grease, etc.

The fire extinguisher uses a 4-step formula: pull, hold, aim and sweep.

1. Pull: Open the aluminum seal, pull out the safety pin, unscrew the lead seal next to the duckbill grip when using, and quickly pull out the safety pin to ensure that the fire extinguisher can be used normally, and the unopened fire extinguisher is in a protective state and cannot be used normally.

2. Grip: division of labor between left and right, mutual cooperation. Hold the opening pressure handle with your right hand and the jet horn with your left hand to ensure that the fire extinguisher is upright and aimed at the bottom of the fire source to extinguish the fire at the upwind outlet.

3. Aim: Aim accurately, cut into the part. When spraying, it is necessary to accurately aim at the "root" of the flame and strafe the cutting part to extinguish the flame.

4. Sweep: move left and right, evenly sweep. When spraying, the method is taken from near to far, from the outside to the inside. Move left and right, evenly strafing, and sweep away the flames.

Precautions for the use of portable dry chemical fire extinguishers

Tumble up and down a few times before using a fire extinguisher to prevent dry powder from clumping.

When extinguishing the fire, stand upwind and be more than 1 meter away from the fire source, stand the fire extinguisher upright, and the nozzle should be aimed at the base of the fire source for spraying, and the fire extinguisher should not be used upside down.

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 at the same time as water to avoid weakening the effect.

Summary. Hello dear, glad to answer for you! The 4-step formula for using fire extinguishers is a mention, that is, a hand-held handle; Second, pull out the fire extinguisher safety pin; Three sights, aim the nozzle of the fire extinguisher at the fire source; Four pressures, press the switch of the fire extinguisher, and spray dry powder to extinguish the fire.

Hello dear, it's a pleasure to unpack your socks for you! The 4-step formula for using a nuclear fire extinguisher is a mention, that is, a hand-held handle; Second, pull out the hole and pull out the fire extinguisher safety pin; Three sights, aim the nozzle of the fire extinguisher at the fire source; Four pressures, press the switch of the fire extinguisher, and spray dry powder to extinguish the fire.

A fire extinguisher is a portable fire extinguishing tool. Chemicals are placed inside the fire extinguisher to extinguish the fire. Fire extinguishers are one of the common fire-fighting equipment, stored in public places or places where silver palm fires may occur, different types of fire extinguishers are filled with different components, which are specially designed for different fire causes.

Care must be taken when using it to avoid the opposite effect and danger caused by Fengzheng.

In fact, different fire extinguishers are used in different ways.

Mercury plant fluorine-free fire extinguisher: just two steps, pull and press

1. Pull out the safety pin, 2. Press the nozzle and aim at the root of the flame to strafe.

It is relatively simple and can be sprayed at any angle without shaking.

Dry chemical fire extinguisher:

1. Drag the handle with your right hand and the bottom of the fire extinguisher with your left hand, and gently remove the fire extinguisher;

2. Carry a fire extinguisher to the scene in your right hand;

3. Remove the lead seal;

4. Unplug the safety pin;

5. Hold the nozzle in your left hand and the pressure handle in your right hand.

6. At a distance of two meters from the flame, press down the pressure handle with your right hand, swing the nozzle from side to side with your left hand, and spray dry powder to cover the entire combustion area.

Foam fire extinguisher:

1. Drag the pressure handle with your right hand and the bottom of the fire extinguisher with your left hand, and gently remove the fire extinguisher; 2. Carry a fire extinguisher to the scene in your right hand; 3. Cover the nozzle with your right hand and hold the bottom edge of the barrel with your left hand; 4. Turn the fire extinguisher upside down in a vertical state, shake it up and down a few times, and then release the nozzle; 5. Grab the ear of the barrel with the right hand, grasp the bottom edge of the cylinder with the left hand, face the nozzle towards the combustion area, stand at a place eight meters away from the fire source and spray, and keep moving forward, surrounding the flame spray until the fire is extinguished; 6. After extinguishing the fire, lie on the ground with the nozzle facing down.

CO2 fire extinguisher:

1. Hold the pressure handle with your right hand;

2. Carry the fire extinguisher to the scene with your right hand;

3. Remove the lead seal;

4. Unplug the safety pin;

5. Stand two meters away from the fire source, hold the horn barrel in your left hand, and press down the pressure handle with your right hand;

6. Spray at the root of the fire source and keep pushing forward until the flame is extinguished.