FIELD: chemistry.
SUBSTANCE: device for pumping out hydrogen isotopes from the vacuum volume of a thermonuclear installation contains identical modules arranged parallel to each other along the exhaust path of the thermonuclear plant. Each of the modules includes a composite membrane based on the metals of the 5th group of the Periodic Table of Elements-niobium, vanadium, tantalum or their alloys with each other, an atomizer, a cooling system, and an output volume. The cooling systems of the modules are connected to each other, the output volumes of the modules are combined into a single output volume, and the waste path of the thermonuclear plant in places where there are no modules is blocked by a diaphragm to prevent the passage of the pumped gas mixture, bypassing the modules.
EFFECT: invention provides efficient pumping of hydrogen isotopes from the vacuum volume of thermonuclear installations, reduction of the dimensions of the pumping unit and free placement of the installation in the evacuation tract.
2 cl, 4 dwg
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