What is foam extinguisher?

Foam extinguisher is a kind of fire extinguisher. The principle of fire extinguishing is that a large amount of carbon dioxide and foam can be sprayed out when putting out a fire, which can attach to combustible materials and isolate them from the air, thus achieving the purpose of fire extinguishing.

Foam extinguisher is divided into: portable foam extinguisher, pushcart foam extinguisher and air foam extinguisher. Foam extinguisher should be stored in a dry, cool, ventilated and convenient place, not near high temperature or places that may be exposed to sunlight to prevent carbonic acid from decomposing and failing; Anti-freezing measures should be taken in winter to prevent freezing; And should always wipe the dust, dredge the nozzle, keep unobstructed.

How to use foam extinguisher?

Foam extinguisher can carry the rings on the upper part of the barrel and rush to the fire quickly. At this time, care should be taken not to tilt the fire extinguisher excessively, nor to hold it horizontally or upside down, so as to avoid mixing the two chemicals and spraying it in advance.

When the distance from the ignition point is about 10 meter, the cylinder can be turned upside down, with one hand holding the bail tightly and the other hand holding the cylinder bottom ring, aiming the jet at the combustion products. When extinguishing flammable liquid fire, if it is already burning in a flowing state, spray foam from far and near to make the foam completely cover the burning liquid surface.

Refer to the above? Baidu Encyclopedia-foam extinguisher

Refer to the above? Baidu encyclopedia-fire extinguisher