Before use, the first upside down several times, so pre-loose powder, 3-4 meters away from the source of fire, pull the pin, one hand holding the nozzle on the fire source, the other hand thumb press BAR, dry immediately ejected.
When there is a fire extinguisher spray hose or reservoir pressure type fire extinguishers in use, the hand should always put pressure reduction, can not let go, otherwise it will break jet dry powder fire extinguisher combustible, flammable liquid fire, the flame should be aligned to the Ministry of fire, If the liquid was flowing fire was put out of the burning, the flame should be aligned with the roots from near and far, to-fire, and strafe left and right, fast forward, until the flame extinguished.
If burning flammable liquid in the container, the user should be aligned with the flame around the roots of rock bursts, so that the ejected powder flow covering the entire surface of the container opening; when the flame is out of the container, the user should continue to spray until the flame extinguished at the time of the fire fighting flammable liquid inside the container, it should be careful not to spray nozzle directly at the surface, to prevent the impact of the jet of combustible liquid spills and expand the fire, causing fire fighting difficult.
Report: Fire extinguishers knowledge
Q: abc dry powder fire extinguishers abc What does it mean?
Answer: abc powder fire extinguisher means that can destroy a class, class b, class c fire and electric fire, carbon dioxide fire extinguisher can extinguish class b and class c electrical fire
A, a type of fire: that fire burning carbonaceous solid fuel, such as wood, cotton, wool, linen, paper, etc.;
Burning fire nails, B, C liquid, such as gasoline, kerosene, methanol, ether, acetone, etc.;: two, b type of fire
Three, c type of fire: that fire burning combustible gas, such as coal, natural gas, methane, acetylene, hydrogen, etc.;
Four, d type of fire: that fire burning combustible metals, such as potassium, sodium, magnesium, titanium, zirconium, lithium, aluminum-magnesium alloy;
Five charged fire: that charged objects burning fire.