Fire extinguishing equipment should mention or smash the fire extinguisher to the fire. About 5 meters away from the burning object, put down the fire extinguisher and pull out the safety pin, hold the handle of the root of the horn in one hand, and hold the pressure of the opening and closing valve in the other hand. For carbon dioxide fire extinguishers without a spray hose, the horn should be pushed 70-90 degrees to the upper plate. When using, you can not directly grasp the outer wall of the horn or the metal connecting tube to prevent frostbite. When extinguishing a fire, when the flammable liquid burns in a flowing state, the user sprays the jet of the carbon dioxide fire extinguishing agent from the near and far flames. If the flammable liquid is burning in the container, the user should lift the horn. Spray from the upper portion of one side of the container to the burning container. However, the carbon dioxide jet cannot be directly impacted on the flammable liquid surface to prevent the flammable liquid from being flushed out of the container to expand the fire, which makes the fire extinguishing difficult.
The trolley type carbon dioxide fire extinguisher is generally operated by two people. When using, the two people push or pull the fire extinguisher together to the burning place, stop about 10 meters away from the burning object, and one person quickly removes the horn and deploys the spray hose, then hold it. The handle of the base of the horn, the other person quickly rotates the hand wheel counterclockwise and opens to the maximum position. The method of extinguishing fire is the same as that of the portable method.
Principle: Allows the temperature of combustibles to drop rapidly and is isolated from the air.
Benefits: Fire-fighting does not leave any traces of damage, so it can be used to extinguish books, files, valuable equipment and precision instruments.
Note: When using a carbon dioxide fire extinguisher, if it is used outdoors, it should be sprayed in the upwind direction, and the hand should be placed on the wooden handle of the cylinder to prevent frostbite. Used in indoor narrow spaces, the operator should leave quickly after the fire to prevent suffocation.
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