DEVICE FOR CATCHING MOLTEN MATERIALS FROM NUCLEAR REACTOR Russian patent published in 2001 - IPC

FIELD: accident control at nuclear power stations. SUBSTANCE: device designed to catch core components and their fragments from destroyed vessel has coolant holding chamber installed below reactor vessel; chamber accommodates melt admission facility made in the form of vertical tubes whose inner spaces communicate with intertube space of chamber and upper ends are at least partially joined together and at least part of their inner spaces accommodates melted volume displacers. EFFECT: improved separation of molten mass into fragments at augmented heat transfer. 17 cl, 4 dwg