FIELD: physics.
SUBSTANCE: container for the TP with a cover made of high-strength spheroidal graphite cast iron includes a cover and a body made of high-strength spheroidal graphite cast iron, inner and outer covers. The pipes in the cover, which form the channels for placing the fuel assemblies, and the cover in the body are fixed by shrinkage of the melt of high-strength spheroidal graphite cast iron, which takes place in the manufacture of the cover casting and the body casting, respectively. The upper end of the cover, its base and the bottom are covered with a protective coating, resistant to the effects of deactivation solutions. The cover is made non-removable, it is possible to decontaminate it.
EFFECT: invention makes it possible to increase the manufacturability of the fabrication, to ensure good heat dissipation from the cover to the container body, and to reduce the prime cost.
2 dwg
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