How can portable extinguishers be used?
When a dry powder extinguisher is used to extinguish flammable liquid in the container, fire should be directed to the root of the flame from side to side, or left and right. When the flame is out of the container, rapidly put out the remaining fire. Fire should be careful not to direct the nozzle to the liquid level jet, in order to prevent the impact of dry powder air flow caused by splashing oil, causing the fire to expand, causing fire difficulties.
For putting out fire caused by solid material powder, the fire extinguisher should be the most violent on burning mouth, left to right, and should try to make the powder extinguishing agent evenly on the surface of the fuel spray, till the fire is extinguished.
When a dry powder extinguisher is used to extinguish liquid fire, it should be sprayed from the side of the flame to the root of the flame. It will be sprayed by the far, far, or right side, and will be pushed rapidly until the fire is extinguished.
Use the built-in type or storage type dry chemical fire extinguisher, pull out the safety pin first, one hand holding the nozzle, the other hand to press the handle, the powder is sprayed from the nozzle.
1 when using portable powder fire extinguisher, the handle of the fire extinguisher should be put into the fire place.2, at about 5 meters from the fire place, put down the extinguisher. In outdoor use, should be upwind.3, before use, first put the extinguisher upside down several times, so that the powder in the cylinder to loosen.