What are the methods of use and precautions for carbon dioxide fire extinguishers?
When the fire extinguisher to or as long as the shoulder to the scene, at a distance of about 5 meters down the fire extinguisher, pull out the safety pin, handle a hand holding megaphone roots, the other hand hold the valve opening and closing pressure. No spray hose carbon dioxide extinguishers should be put to the board, microphone 70-90. When in use, can not directly use the hand to hold the outer surface of the cylinder or metal pipe connection, to prevent hand frostbite. When the fire is put out, when the combustible liquid is in a flowing shape, the user can spray the jet of the carbon dioxide extinguishing agent from near to far. If the flammable liquid combustion in the container, the user should be filed megaphone. Spray from the upper side of the container toward the burning container. But the carbon dioxide jet can not be directly hit the flammable liquid surface, in order to prevent the flammable liquid from the container and expand the fire, causing fire difficulties.Cart type carbon dioxide fire extinguishers generally consists of two person operation, when used along with two fire extinguishers pushed or pulled into the combustion, combustion products from about 10 meters to stop, take a quick and megaphone spray hoses, hold the microphone handle root, another fast counter clockwise rotating hand wheel. And the largest open position. The method of extinguishing fire is the same as that of portable method.When using CO2 fire extinguishers, outdoor use should be selected in the upwind direction of the jet. For use in small spaces outside, after fire, the operator should leave quickly to prevent suffocation.
Take out the safety plug first, turn it over, meet and aim at it, then you can spray it:1. when fire fighting, personnel should stand on the windward side.2. the holder of the jet holder shall be held in the gum nozzle to prevent frostbite.3. indoor use, should be strengthened ventilation.
Carbon dioxide fire extinguisher precautions: wear gloves when used so as to avoid contact with spray cylinders and spray hoses, and prevent frostbite. When using carbon dioxide fire extinguisher to stop electric fire, if the voltage is over 600 volts, power should be cut off before fire.
Carbon dioxide extinguisher use: first pull out the pin, press down (or rotating valve), the nozzle at the bottom of flames of fire.
