Fire extinguishers are divided into several types. How much time does it take for each extinguisher to finish spraying?
Dry powder storage type fire extinguisher (portable) is driven by nitrogen as the power to dry out the powder in the canister. Suitable for fighting petroleum products, paint and organic solvent fire. It can suppress the chain reaction of fire and extinguish fire. Also suitable for extinguishing liquid, gas, electrical fire (dry powder has more than 50 thousand volts of electrical insulation performance). Some can also fight solid fires.
Carbon dioxide extinguisher is carbon dioxide gas stored at high pressure in the air cylinder as the fire extinguishing agent, carbon dioxide fire after leaving no trace, suitable for fighting large equipment, archives, computer room fire, it is also suitable for conducting extinguishing electrified low voltage electrical equipment and oil fire, but it is not available for K sodium, magnesium, aluminum, and other material fire.When in use, the duckbill type disconnect pin and press down to take off the wheel type seal, then counterclockwise rotation of the handwheel, agent can be sprayed out. Note the finger should not touch the microphones, to prevent the injury.Carbon dioxide extinguisher range is close, should be close to the fire, in the upwind direction of injection.The carbon dioxide fire extinguisher should be checked regularly. When the weight is less than 5%, it should be inflated and replaced in time.Cart type: same as dry powder cart.
The powder cart is used, the fire extinguisher trolley quickly pushed to the fire nearby, pull out the spray hose and straightening, pull out the pin and open the valve handle straight, at the bottom of flames, the pink mist swept key flame, pay attention to cut off the fire, flame control to move forward from the near to the distant fire.
