Because gasoline is lighter than water, it will float on the water surface and continue to burn with oxygen. If gasoline catches fire, dry powder fire extinguishers should be used to spray or bury in sand, which can effectively isolate oxygen.

scope of application of dry powder fire extinguisher. Sodium bicarbonate dry powder fire extinguisher is suitable for the initial fire of flammable, combustible liquids, gases and charged equipment; Ammonium phosphate dry powder fire extinguisher can be used not only for the above kinds of fires, but also for the initial fire of solid substances. But they can't put out metal burning fires.

when the dry powder fire extinguisher is used to put out flammable and combustible liquid fires, the quasi-flame should be sprayed. If the liquid fire being put out is in a flowing state, the root of the quasi-flame should be sprayed from near to far, and the flame should be sprayed from left to right until it is completely extinguished.

Extended information:

Portable dry powder fire extinguishers can distinguish authenticity.

1. Pay attention to the trademark. It is the trademark on the barrel of portable dry powder fire extinguisher. The trademark should be correct, with no defects such as wrinkles and bubbles. The famous brand is complete and clear. The types of extinguishing agent and driving gas, filling pressure, total mass, fire extinguishing level, operation method, matters needing attention, manufacturer's name and production date are complete. There must be a warning text that "once the fire extinguisher is turned on, it shall not be reused and filled".

2. Pay attention to the cylinder. The coating on the outer surface of the fire extinguisher cylinder should be uniform in color, free from cracks, bubbles, obvious scratches, bumps, bumps, corrosion, leakage (especially the bottom of the cylinder and welds) and other defects, otherwise it will be unqualified products. In addition, the bottom ring or collar of the qualified fire extinguisher should have the hydraulic test pressure value and the steel seal of the factory year of the fire extinguisher.

Baidu encyclopedia-fire extinguisher