DEVICE FOR PREPARATION OF STEAM-AND-GAS MIXTURES Russian patent published in 2002 - IPC

FIELD: preparation of steam-and-gas mixtures; calibration and verification of gas analyzers. SUBSTANCE: proposed device includes reservoir for saturation of gas with steam, unit for dilution of steam-and-gas mixture made in form of T-piece whose one end is connected with gas supply line, second end is connected with interior of reservoir and third end is connected with steam-and-gas mixture discharge line where flow activator and detector for check of content of gas in mixture are mounted. Line supplying gas to dilution unit is provided with compressor. Proposed device is provided with microprocessor control unit whose input is connected with electric output of detector and one of control outputs is connected with power supply source of compressor. EFFECT: possibility of automatic maintenance of preset content of steam in gas in wide range of concentrations. 5 cl, 4 dwg