FIELD: devices used for production of oxygen-enriched gas from atmospheric air by short-cycle without external heat supply adsorption applicable in medical and microbiological industries and therapy. SUBSTANCE: oxygen concentrator has two parallel adsorbers filled with zeolite synthetic granulate and connected with supply compressor and receiver at the outlet. Adsorbers are provided with spring-loaded diaphragms fixing the position of granulate and forming a receiver at the inlet. Adsorber pipe unions are installed on heat-resistant spacers that simplifies regeneration of the working material of adsorbents. EFFECT: higher efficiency. 3 dwg
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