FIRE-EXTINGUISHING PLANT Russian patent published in 1998 - IPC

FIELD: fire-extinguishing equipment; may be used in producing of gas-liquid jets and misty curtains, foam and gas-powder jets. SUBSTANCE: plant has vessel with substance designed for fire extinguishing at least one cylinder with compressed gas, flexible hoses connecting the vessel and cylinder and device for producing directed flow of extinguishing compound mixed with working gas and regulator of working gas. Device is provided with chamber for mixing of extinguishing substance with gas. Chamber outlet has gas-dynamic nozzle. Length of shaped channel of nozzle is selected from the conditions: L ≥ dmin, where dmin is diameter of minimum section of nozzle channel. Vessel and cylinder are located on shoulder bag. Nozzle may be circular and also provided with circular channel for supply of working gas in front of its minimum section. EFFECT: increased distance of supply of extinguishing substance, regulated dispersity and distance range of jet of extinguishing substance. 5 cl, 5 dwg