What should I pay attention to when using dry powder fire extinguishers?
Application method and notice of hand powder fire extinguisher1) the pusher type extinguisher must be used in conjunction with two;2) before the fire extinguisher is used, check whether the pressure is valid, and then check whether the gun, hose and interface are sealed and undamaged;3) a person will turn the handle several times before and after the confirmation of dry powder effectively loose, then ordered another person quickly holding the spray gun, display the hose, pull forward, and both hands tightly holding the spray gun for fighting fighting position;4) the cart moves the car to the windward side 8 to 10 meters away from the fire and stops, pulling out the safety pin and ready to start the valve;5) when the hearing in front of the order, which immediately open the valve, the trigger gun alignment machine, flame root injection, from left to right, asymptotic forward to extinguish the fire;6) fire off, the valve closed, the fire agent to stop spraying.7) matters needing attentionA, hose expansion shall not be bending phenomenon;B, while moving the fire extinguisher, the man pulled the car forward;C, after arriving at the fire, the stroller should judge the scene, take advantage of the terrain, easy to maneuver, flexible and challenging;D, two people coordinate the operation, coordination must be consistent, so as to adjust the direction at any time, cope with fire changes;E, the nozzle is strictly prohibited to prevent accidental injury.
Fire hydrant equipment use methodA, open the outer cover of the fire hydrant box.B, remove the hose, expansion to the fire direction.C, combined with the water hose and Longkou (fast joint combined), combined with the water hose and aiming the son (fast joint binding).D, hold water at sub on fire.E, open water mouth, water start.F, water at the sub handle rotary adjustable water column, water or water mist.G, use fire hydrant, fire should be paid attention to confirm the fire power cut off.
Method for using self-help hydrant equipmentWhen the fire broke out, the door is opened or hard objects smashed the door glass, first press the remote button box to start the fire pump, and then take the water with water, water will be connected to the fire hydrant on the interface, pull the hose, open the water supply valve, sprinkler.
Method for using portable carbon dioxide fire extinguisherCarbon dioxide fire extinguisher is mainly used for fighting the fire of valuable equipment, archives, instruments and meters, electrical equipment and oil under 600 volts. When in use, bring the extinguisher to the fire place, put down the fire extinguisher, pull out the safety pin, one hand holding the microphone root of the handle, the other hand hold the valve opening and closing pressure. No spray hose carbon dioxide extinguisher, should be put to pull 70 microphones - 90 degrees. When in use, can not directly use the hand to hold the outer surface of the cylinder or the metal connecting pipe, to prevent hand frostbite. In the use of carbon dioxide fire extinguishers, outdoor use, should choose upwind direction spray; in indoor narrow space use, after fire, the operator should leave quickly, in case of suffocation.
Portable powder fire extinguishers: methods of operation and precautions:1) before the fire extinguisher is used, the pressure must be checked for effectiveness;2) swing the extinguisher several times up and down;3) pulled out the pin and a hand holding handle, the other hand clenched nozzle, quickly to the ignition distance of 1.5 meters, at the bottom of flames, press hard the switch until the spray fire extinguishing agent;4) fire by far and near, push forward, put out the fire;5) once the fire is extinguished, immediately release the pressure and stop the spraying;6) matters needing attention:A and portable dry powder fire extinguishers must be erected;After the B and the safety pin are removed, the nozzle is prohibited against damage;C, fire, the operator must be in the wind direction operation;D, pay attention to control the effective distance and use time of fire extinguishing point.
