FIELD: accident confinement at nuclear power stations. SUBSTANCE: molten core catcher mounted on supports inside reactor vessel is made in the form of spherical-bottom tank. Inner surface of bottom is alternately covered with stainless-steel layer, substrate, and plasma- evaporated heat-insulating layer of zirconium dioxide. Substrate may be made of NiCr and its thickness is not over 2 mm. Thickness of heat-insulating layer is not to exceed 5 mm. EFFECT: enhanced efficiency of molten core cooling. 4 cl, 2 dwg
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