SPRAY NOZZLE FOR FIER-EXTINGUISHING PREVENTION OF SMOKE-PROLIFERATION

摘要

The present invention relates to a spray nozzle for fire extinguishing equipment, and more particularly, to a spray nozzle for a fire extinguishing facility, which comprises a nozzle connecting member connected to a pipe installed to allow a fire extinguishing liquid to flow therein and having a vortex groove for vortexing the fire extinguishing liquid on its inner surface; AndAnd a spray nozzle coupled to the nozzle connecting member and having a receiving part for receiving the extinguishing liquid introduced from the nozzle connecting member and a second jetting hole for forming a water film and a first jetting hole for coupling the water dispersing member, A fire type spray nozzle for fire extinguishing is installed in a fire prevention zone for fire extinguishing at the time of occurrence, and a fire extinguishing nozzle has a first fire extinguisher and a second fire extinguisher for fire extinguishing water, To prevent the smoke from being scattered.;