Fire extinguishing appliance null of fire inside range hood fan and smoke removal

摘要

PURPOSE: To extinguish and suppress fires and to eliminate the need for winding up after fire extinguishment without damaging the human bodies and cooking apparatus, etc., at the time of extinguishing the fires generated in cooking stove hood and smoke ventilation ducts for ventilating the smoke from kitchens or cooking rooms of restaurants, Chinese restaurants, etc. ;CONSTITUTION: Water microspraying nozzles 4 capable of spraying foggy water of at least about ≤100 micron in grain size are respectively disposed on the inside walls 15 of the cooking stove hoods 3 and the smoke ventilating ducts 14 communicating to the cooking stove hoods 3. The water of fire extinguishing chemicals of a separately disposed water storage cylinder is sprayed in the form of fogs from the water microspraying nozzles 4. The water of the fire extinguishing chemicals sprayed from the water microspraying nozzles floats in the form of the fogs of μm order and flows toward the duct outlets and arrives at the heat source of this time, thereby cooling the heat source and extinguishing and suppressing the fires.;COPYRIGHT: (C)1996,JPO