What should be done first? What fire extinguishers can be used to save the electric appliances?
First, the power supply of the electrical equipment should be disconnected. In case of live electrification, dry powder fire extinguishers and carbon dioxide fire extinguishers are available.
Dry powder fire extinguishers can extinguish general fires, and can also extinguish fires caused by oil, gas, and other fires. The dry powder fire extinguisher uses carbon dioxide gas or nitrogen gas as power to spray dry powder out of the cylinder. Dry powder is a dry, easy to flow micro solid powder, composed of fire extinguishing base and moisture-proof agent, flow enhancer, caking agent, and other additives. The utility model is mainly used for fighting the initial fire of flammable liquids, combustible gases and electrical equipment such as petroleum, organic solvent, etc.
Carbon dioxide fire extinguisher is mainly used for fighting the fire of valuable equipment, archives, instruments and meters, electrical equipment and oil under 600 volts. When in use, bring the extinguisher to the fire place, put down the fire extinguisher, pull out the safety pin, one hand holding the microphone root of the handle, the other hand hold the valve opening and closing pressure. No spray hose carbon dioxide extinguisher, should be put to pull 70 microphones - 90 degrees. When in use, can not directly use the hand to hold the outer surface of the cylinder or the metal connecting pipe, to prevent hand frostbite. In the use of carbon dioxide fire extinguishers, outdoor use, should choose upwind direction spray; in indoor narrow space use, after fire, the operator should leave quickly, in case of suffocation.
