Safe use of various fire extinguishers

There are many types of fire extinguishers, and fire extinguishers are just a small group of fire fighting equipment : dry powder fire extinguishers, foam fire extinguishers, etc., are suitable for extinguishing different types of early fires and use methods are also different.

Special reminder: The fire extinguisher should be placed in a dry, ventilated, convenient access area, away from the open flame, high temperature, greasy area, and regularly check the insurance pin is intact, whether the deformation of the barrel corrosion, nozzle fouling plugging; often check The indicator of the fire extinguisher pressure indicator is in the green area. Green indicates that the internal working pressure of the fire extinguisher is normal; yellow indicates that the pressure is too high; red indicates that the pressure is too low. Fire extinguishers used in everyday life have a shelf life, and should be replaced in time if they exceed the shelf life. For those who have been out of the factory for 5 years, they must be sent to a professional maintenance unit for inspection even if they have not been used before, so as to ensure the safety and reliability of the fire extinguisher. In the future, the inspection and repair cycle shall be conducted every two years; fire extinguishers that have been full for 10 years from the date of manufacture shall be forcibly scrapped. These problems are often easily overlooked by residents.

Carbon dioxide fire extinguisher - scope of application: applicable to all kinds of flammable, flammable liquids, flammable gas fires, but also to save instruments, books, archives, crafts and low-voltage electrical equipment and electrical appliances below 600 volts initial fire. Usage: Hand-held carbon dioxide fire extinguisher has hand wheel type and duck bill type. Hand wheel type - Hold the handle of the spray cylinder in one hand and tear off the seal with the other hand. Turn the hand wheel counterclockwise to open the switch and the carbon dioxide gas will be ejected.

Duckbill – Hold the handle of the spray cylinder in one hand and unplug the insurance pin in the other hand. Press the duck beak on the handle and you can extinguish the fire. Special reminder: When fighting a fire, you should stand in the upwind position; holding the spray tube should be held at the colloidal nozzle to prevent frostbite; after indoor use, ventilation should be strengthened.

Car fire extinguishers - At present, only about half of the vehicles produced in China are equipped with on-board fire extinguishers. Some drivers often find fire extinguishers for inspections only for annual inspections of vehicles, and their sense of fire prevention is weak. Purchase: When purchasing a small fire extinguisher, besides paying attention to its appearance, it should also ask the merchant for product certification, quality assurance and user manuals so that problems can be investigated.

Dry powder fire extinguisher - Scope of application: Suitable for fighting various flammable, flammable liquids and flammable, combustible gas fires, and electrical equipment fires. How to use: Dry powder fire extinguisher should be turned upside down several times before use to loosen the dry powder inside the barrel. Then remove the seal, unplug the insurance pin, hold the nozzle in the left hand, and press the handle in the right hand. At a distance of two meters from the flame, the right hand presses down on the pressure handle, the left hand swings the nozzle, and the spray dry powder covers the combustion. District until the fire is all extinguished. Due to the cooling effect of dry powder, fire must be prevented after the fire. Portable dry powder fire extinguishers are easy to use, inexpensive, and long-lasting and are selected for the average family. It can not only save the initial fire of gas stoves and liquefied gas cylinder angle valves, but also can prevent the fire of solid flammable substances such as the fire of the pan and waste paper baskets.

Foam Fire Extinguisher - Scope of Application: Suitable for fighting various types of oil fires, wood, fiber, rubber and other solid combustible fires. How to use: Hold the ring of the fire extinguisher with your hand and lift it smoothly and quickly to the fire. Do not use it horizontally or horizontally. When extinguishing, hold the ring in one hand, hold the bottom of the barrel in the other hand, turn the fire extinguisher upside down, align the nozzle with the fire source, and shake it a few times to extinguish the fire. Do not put the cover and the bottom of the fire extinguisher on the human body to prevent the lid and bottom from being ejected. Do not spray it together with the water so as not to affect the fire extinguishing effect. When extinguishing an appliance fire, cut off the power as much as possible to prevent electric shock.