What fire extinguishers should be used for different fires?
You may be in the community
In shopping malls and parking lots
Seenit
it
And it
The type of fire is different.
The fire extinguishers that need to be used are also different.
What fire extinguishers should be used for different fires?
How do I use a fire extinguisher?
Let's learn with the "Blue Friends"!
Common types of fires
According to the GB T4968-2008 "Fire Classification" recommended national standard, fires are divided into six categories:
Class A fires:Solid matter fires. This substance is usually organic in nature and can produce scorching embers when burned.
Class B fires:Liquid or soluble solids fire.
Class C fires:Gas fires.
Class D fires:Metal fires.
Class E fires:Electrified fires. A fire in which an object burns with electricity.
Class F fires: A fire in cooking utensils (e.g. animal and vegetable fats).
Extinguishing Class A fires (solid matter fires).Water-type, ammonium phosphate dry powder, foam or halide type fire extinguishers should be used;
Extinguishing Class B fires (liquid or soluble solids fires).Foam, sodium bicarbonate dry powder, ammonium phosphate dry powder, carbon dioxide, water-type fire extinguishers or halide fire extinguishers for Class B fires should be used; For Class B fires with polar solvents, anti-soluble fire extinguishers should be used to extinguish Class B fires;
Extinguishing Class C fires (gas fires).Ammonium phosphate dry powder, sodium bicarbonate dry powder, carbon dioxide or halide type fire extinguishers should be selected;
Extinguishing Class D fires (metal fires).Special fire extinguishers for extinguishing metal fires should be used, which can be replaced by dry sand or cast iron filings;
Extinguishing Class E fires (live fires).Ammonium phosphate dry powder, sodium bicarbonate dry powder, halide alkyl or carbon dioxide fire extinguishers should be used, but carbon dioxide fire extinguishers equipped with metal horn spray canisters should not be used.
Extinguishing Class F fires (oil fires).Water-based, dry powder, foam, halide alkyl or carbon dioxide fire extinguishers should be used, but water should not be used to extinguish the fire directly to avoid causing a larger accidental fire.
How to use the fire extinguisher
How should I use a fire extinguisher?
Water-based, carbon dioxide, dry chemical fire extinguishersGenerally, it is operated by one person, and the fire extinguisher is quickly brought to the fire site when used, at the upwind outlet, 3-5 meters away from the ** point, in accordance with"Promote grip press".Formula, pull out the safety pin, hold the pressure handle tightly with your right hand, hold the nozzle at the front end of the spray hose with your left hand (if there is no spray hose, hold the bottom ring of the fire extinguisher with your left hand), and aim at the burning place to spray.
Trolley fire extinguisherGenerally, it is operated by two people, and when used, the fire extinguisher is quickly pulled or pushed to the fire site, and stopped 10 meters away from the upwind outlet of the ** point. One person put the fire extinguisher steady, dialed the safety pin, and quickly opened the gas valve; One person quickly unfolded the jet hose, holding the barrel of the jet gun with one hand and hooking the trigger with the other, aiming the nozzle at the burning place to extinguish the fire.
Recommended in the pastNotice of the National Fire and Rescue Administration on the removal of doors and windows in crowded places and the setting of obstacles that affect escape and fire fighting and rescue.
Please bookmark! Six diagrams allow you to learn a few firefighting terms.
The provincial fire and rescue agencies went deep into schools to carry out fire safety "physical examinations".
*: Jinan Fire Protection.
Production: Shandong Fire Protection Work Center.
Editor: Liu Xinyue Proofreader: Yuan Sihan Review: Wang Lei Submission email: 360806561@qqcom