PULVERIZED LIQUID FIRE-EXTINGUISHING MODULE Russian patent published in 1998 - IPC

FIELD: fire-extinguishing with aid of fire-extinguishing liquid. SUBSTANCE: module uses a bottle with fire-extinguishing liquid that is under pressure of compressed gas, siphon tube installed in it, having through lateral holes, made in such a manner that flow area beginning from location of holes equals area of holes and flow area of section lying below; area of lateral through holes makes up 0.2 to 0.25 of flow area of expanded siphon tube section, and length of this section to bottle neck equals 1/3 to 1/4 of length of siphon tube; siphon tube through a shut-off device and pipeline is connected to an atomizer, having an internal cylindrical cavity, which receives an inversor of gas-liquid flow installed with a radial clearance, made as a blind cup with lateral holes, whose area is 1.2 to 1.4 times larger than area of atomizer outlets; besides, module bottle is installed vertically, and fire-extinguishing module is furnished with a pressure indicator, control device and defectors. EFFECT: module efficiency is conditioned both by low time of fire-extinguishing (less than 20 s), and by absence of places with a large or small quantity of fire-extinguishing liquid in room under protection. 5 cl, 1 dwg , 1 tbl