Wet
Fire Extinguisher is a common fire extinguishing equipment. Its working principle is as follows:
Water supply: Wet fire extinguishers mainly rely on water supply for fire extinguishing. Generally speaking, wet fire extinguishers are connected to the building's automatic water supply system to ensure an adequate and continuous supply of water.
Pressure control: There is a pressure control system inside the wet fire extinguisher to maintain the pressure of water inside the fire extinguisher. Typically, this control system includes a pressure switch and a pressure regulator to ensure water is sprayed out quickly when needed.
Trigger mechanism: When a fire occurs, the wet fire extinguisher will be automatically triggered. This is usually accomplished via a fire detector or manual switch. Once the trigger mechanism is activated, water is released into the fire extinguisher's nozzle, ready to spray.
Sprinkler system: Wet fire extinguishers have sprinkler heads located in areas where fires are likely to occur, usually on the ceiling. When water is released into the sprinkler head, it passes through a specially designed nozzle, creating an even spray pattern. This spray pattern sprays water evenly over the fire, creating a mist that cools and extinguishes the flames.
Fire extinguishing effect: Wet fire extinguishers mainly extinguish fires in two ways, namely reducing the temperature of the fire source and inhibiting flame combustion. When water is sprayed onto a fire, it absorbs the heat released by the flame, thereby lowering the temperature of the fire. In addition, the formation of water vapor can inhibit the burning of the flame and reduce the surrounding area of the fire source.
