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Portable dry powder fire extinguisher

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Portable dry powder fire extinguisher

When the dry powder fire extinguisher is used to put out flammable and flammable liquid fires, it should be aimed at the main part of the flame. If the liquid fire being extinguished is flowing and burning, it should be aimed at the root of the flame from near to far, and shoot from left to right until all the flames are extinguished. If the flammable liquid burns in the container, the user should aim at the root of the flame and sway left and right, so that the sprayed dry powder flow covers the entire opening surface of the container; when the flame is driven out of the container, the user should continue to spray until the flame is completely extinguished . When fighting a flammable liquid fire in the container, care should be taken not to spray the nozzle directly at the liquid surface to prevent the impact of the jet from splashing the flammable liquid and expanding the fire, making it difficult to extinguish the fire. If the flammable liquid burns in the metal container for too long, the wall temperature of the container is higher than the self-ignition point of the flammable liquid. At this time, it is easy to cause the phenomenon of re-ignition after the fire is extinguished. If it is used in combination with a foam fire extinguisher, it will extinguish the fire. Better results.
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When the dry powder fire extinguisher is used to put out flammable and flammable liquid fires, it should be aimed at the main part of the flame. If the liquid fire being extinguished is flowing and burning, it should be aimed at the root of the flame from near to far, and shoot from left to right until all the flames are extinguished. If the flammable liquid burns in the container, the user should aim at the root of the flame and sway left and right, so that the sprayed dry powder flow covers the entire opening surface of the container; when the flame is driven out of the container, the user should continue to spray until the flame is completely extinguished . When fighting a flammable liquid fire in the container, care should be taken not to spray the nozzle directly at the liquid surface to prevent the impact of the jet from splashing the flammable liquid and expanding the fire, making it difficult to extinguish the fire. If the flammable liquid burns in the metal container for too long, the wall temperature of the container is higher than the self-ignition point of the flammable liquid. At this time, it is easy to cause the phenomenon of re-ignition after the fire is extinguished. If it is used in combination with a foam fire extinguisher, it will extinguish the fire. Better results.

Keyword:
fire extinguisher
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