PRESSURE INERT FOAM GENERATOR Russian patent published in 1994 - IPC

FIELD: mining industry. SUBSTANCE: high- capacity foam generator has built-in liquid nitrogen gasifier in form of holder of pipes of heat-transfer agent (gas and liquid phases of mixture components) located in hollows on pipe outer side. There is liquid nitrogen spray chamber having built-in pack for introduction liquid nitrogen streams into gasification chamber. Foam generating screen is made in shipping package over outer contour of foam generator body for its longitudinal displacement and locking in working position to form mixing chamber in form of diffuser. EFFECT: higher efficiency of inert foam generator due to intensification of generation process. 5 dwg