DUST AND GAS SUPPRESSING DEVICE Russian patent published in 1997 - IPC

FIELD: mining industry. SUBSTANCE: this relates to safety engineering equipment and can be used in mining quarries and for fire-fighting purposes. Device is based on jet engine for high power and long range of discharging gas-liquid stream. Jet nozzle is removed from engine which is connected by its diffuser with mixing chamber. Introduced in mixing chamber in direction of gas flow are injectors of liquid delivery manifold. Located at mixing chamber outlet is double-phase accelerating nozzle. This device incorporating powerful aviation turbojet engines is capable of spraying liquid in amount of 2 cu.m/s through distance longer than 700 m. EFFECT: high efficiency. 1 cl, 1 dwg