FIELD: process engineering.
SUBSTANCE: invention relates to devices intended for separating gases by adsorption at variable temperature. Proposed plant comprises air flow rate stimulus 1 with its output accommodating coarse filtration appliance representing a set of cyclones 2. The latter is communicated via airflow switch 3 with adsorbers 4 and 5. The latter represent shell-and-tube apparatuses with tube space filled with adsorbent. Tube space of adsorbers 4 and 5 communicate, in turn, with heat carrier heater 13 or cooler 11. Inlet and outlet of cooler 11 accommodate check valves 15, 16, 17, 18, to ensure invariable heat carrier flow direction in cooler 11 irrespective of the position of heat carrier flow switch 12. Heat carrier circuit incorporates additional pump 10. Outlets of adsorbers 4 and 5 are intercommunicated by pipeline furnished with purified air release valve 14.
EFFECT: possibility to use in enclosed premises, higher efficiency due to reduced time of "sorption-desorption" cycle.
8 dwg
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