FIELD: power engineering; nuclear steam generators. SUBSTANCE: method for transferring heat energy of nuclear reactor using liquid-metal coolant such as molten lead and its alloys to working medium in steam generator involves following procedures. Liquid-metal coolant heated in reactor core is divided into many jets and entered in hot inert gas flow; working medium is heated by means of circulating gas in recuperative heat exchanger; in the process liquid-metal coolant is carried away to its free elevation. In case of stopping forced circulation of liquid-metal coolant shutdown is effected by natural circulation in passive way due to floating-up of valves in coolant path. EFFECT: enhanced safety, simplified design of installation.
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