FIELD: electrical engineering; refrigerating engineering; gas driers depending for their operation on gas cooling and removal of moisture condensed in it. SUBSTANCE: hydrogen is cooled down in regenerative evaporator 7 wherein air evaporation process occurs in vacuum built up by series-connected steam ejectors 12, 15 whose active nozzles are supplied with waste steam from turbine. Ejector 15 is main one of condenser 3 of turbine 2. Pipe connection 11 passing evaporating medium from evaporator 7 is made in the form of passive nozzle of ejector 12. Evaporator uses demineralized water and air admitted through throttle 22 from surrounding atmosphere as coolants. Air evaporation process is organized in evaporator 7 by means of distributing grill 19 and liquid level controller 24. Moisture condensed in hydrogen is evacuated through steam trap 23. EFFECT: simplified design, improved reliability, reduced maintenance charges, improved environmental friendliness. 1 dwg
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