Briefly describe the characteristics and use of dry powder fire extinguishers

The most commonly used opening method of dry powder fire extinguisher is the pressure handle method, after the fire extinguisher is raised to an appropriate distance 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 place of burning, pull out the safety pin, press down the pressure handle, and the fire extinguishing agent will be sprayed out to extinguish the fire. The rotation method is also available. When turning on the dry powder fire extinguisher, hold the middle of the fire extinguisher 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 in the clockwise direction, open the gas storage cylinder, and delay for 1-4 seconds, and the dry powder will spray out to extinguish the fire.

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

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.

Dry powder fire extinguishers are mainly suitable for extinguishing flammable liquid, combustible gas and electrical fires, and some are also suitable for extinguishing wood, light metal and alkali metal fires. Dry powder fire extinguishers can be divided into ordinary dry powder fire extinguishers according to the types of dry powder fire extinguishing agents; Ultra-fine dry powder fire extinguisher.

The inside 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 crushed and dried additives, which can effectively extinguish the initial fire.

Fire Protection Law of the People's Republic of China

Article 16. Organs, groups, enterprises, institutions and other units shall perform the following fire safety duties:

1) Implement the fire safety responsibility system, formulate the fire safety system and fire safety operation procedures of the unit, and formulate fire extinguishing and emergency evacuation plans;

2) Configure fire-fighting facilities and equipment in accordance with national standards and industry standards, set up fire safety signs, and regularly organize inspection and maintenance to ensure that they are intact and effective;

3) Conduct a comprehensive inspection of building fire protection facilities at least once a year to ensure that they are intact and effective, and the test records shall be complete and accurate, and archived for future reference;

4) Ensure that evacuation passages, safety exits, and fire truck passages are unblocked, and ensure that fire and smoke prevention partitions and fire spacing meet fire protection technical standards;

5) Organize fire prevention inspections and eliminate fire hazards in a timely manner;

6) Organize targeted fire drills;

7) Other fire safety duties as provided by laws and regulations.

The main person in charge of the unit is the person responsible for fire safety of the unit.

<>1) Before use, shake the fire extinguisher several times to loosen the dry powder in the bottle.

2) Unplug the safety pin, hold the rubber nozzle of the fire extinguisher, and aim at the root of the flame to press down and spray Xiaoxiang.

3) Press down the upper handle of the fire extinguisher, and the fire extinguishing agent will be sprayed. In the fire extinguishing process, it should always be kept upright, and should not be used horizontally or upside down.

4) After extinguishing the fire, carefully observe whether it is extinguished to prevent recurrence.