How to use a fire extinguisher
Fire extinguishers are everywhere in our daily lives. Fire extinguishers must be available in all shopping malls, supermarkets and various companies, libraries and cars. There are many types of fire extinguishers, and the use of various fire extinguishers is different. Next, we will introduce you how to use fire extinguishers. How to use a fire extinguisher 1. Fire extinguishers are one of the common fire protection facilities and are stored in public places or where fires may occur. Different types of fire extinguishers contain different compositions. They are designed for different fires. They must be used to avoid adverse effects and danger. Fire extinguisher installation is an important measure in fire safety. When a fire occurs, it can maximize the damage caused by fire to people's lives and property. Fire extinguishers mainly include dry powder fire extinguishers, foam fire extinguishers, and carbon dioxide fire extinguishers. 2, plays an important role in people's lives and property safety, but fire extinguishers must also be used properly in order to play their biggest role, keep in mind some precautions when using fire extinguishers. Dry powder fire extinguishers are one of the most commonly used fire extinguishers. When using dry powder fire extinguishers, be aware that they should always be in an upright position during the fire fighting process. Do not use the fire extinguisher in a horizontal or inverted position. Otherwise, do not spray the powder. At the same time, pay attention to prevent the re-ignition after the dry powder fire extinguisher is extinguished. Because the cooling effect of the dry powder fire extinguisher is very small, there is a hot substance under the fire point, and it is easy to re-ignite after the fire extinguishing. 3. Before using the fire extinguisher, first turn the fire extinguisher upside down several times to loosen the dry powder inside the cylinder. If using a built-in or pressure-regulated dry powder fire extinguisher. The safety pin should be removed first, the nozzle should be held in one hand, and the pressure roller should be pressed down by hand. The dry powder will be ejected from the nozzle. 4. If using an external dry powder fire extinguisher. Hold the nozzle with one hand and lift the handle with the other hand. Hold the handle and the dry powder will be sprayed from the nozzle. When using a dry powder fire extinguisher to save a dispersing liquid fire, it should be sprayed from the side of the flame to the root of the flame, and swept from near to far, left and right, and quickly push until the flame is extinguished. When using a dry powder fire extinguisher to extinguish a flammable liquid in a container, the fire should also be directed from the front of the flame to the root of the flame. When the flame is driven out of the container, it should be quickly moved forward to extinguish the remaining fire. 5. When extinguishing the fire, be careful not to align the nozzle directly with the liquid surface. It is recommended to prevent the oil from splashing due to the impact of the air flow of the powder, causing the fire to expand and causing fire extinguishing difficulties. When using a dry powder fire extinguisher to save a solid material fire, the fire extinguisher mouth should be pointed at the most violent place, and the left and right fire should be sprayed. The dry powder fire extinguishing agent should be sprayed as evenly as possible on the appearance of the burning object until all the fire is extinguished. When using a portable dry powder fire extinguisher, carry the handle of the fire extinguisher and quickly reach the fire. 6. Fire extinguishers are the simplest and most effective tools for controlling and extinguishing fires. The application of fire has brought tremendous progress to the development of human society. The use of fire is not appropriate, and the loss of life and property safety caused by the fire that comes with it is immeasurable. The installation of fire extinguishers plays an important role in the control and elimination of fires. When a fire occurs, it can maximize the damage caused by fires to people's lives and property. Fire extinguisher use guide (illustration)
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