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Primary vessel cooling device of a liquid metal-cooled fast neutron reactor
Primary vessel cooling device of a liquid metal-cooled fast neutron reactor
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机译:液态金属冷却快中子反应堆的一次容器冷却装置
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The cooling of the upper part of the vessel (3) is provided by circulation of cooled sodium (27). The cooled sodium originating from the lower part of the reactor core is introduced via tubes (17) into a first header (15) and then spills over into a second header (16). The second header (16) or recovery header is bounded by an overspill shell (18) and by an internal shell (21) whose height is substantially lower than the height of the overspill shell (18). The lower part of the internal shell (21) is connected to the overspill shell (18) by an annular plate (22) responsible for stiffening the shell (18). The height of the shell (21) is preferably between one third and two thirds of the height of the shell (18). The appearance of vibrations is thus avoided when the sodium is circulated. …IMAGE…
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