FIELD: process engineering.
SUBSTANCE: invention relates to gas mixers and may be used for making gas mixes used as a protective medium in welding and varying gas mix composition in operation. Proposed mixer comprises first and second gas receivers and mixing chamber. Besides the mixer comprises case to house two inlet and two outlet filters, two inlet and to outlet dispensing nozzles, two pressure gages connected to receivers and third pressure gage connected differentially between first gas receiver and mixing chamber, two inlet an two outlet valves, control board connected to pressure gages, inlet and outlet valves and to power supply. Control push buttons are arranged on the casing outer surface as well as setting indicators, inlet gas and mix discharge fittings. Inlet filters are arranged ahead of every inlet valve, one filter per one valve while outlet filters are arranged behind every receiver.
EFFECT: faster mixing, better mix homogeneity.
3 cl, 2 dwg
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