NUCLEAR POWER PLANT Russian patent published in 2022 - IPC G21D1/00 E04H7/20 

FIELD: physics.

SUBSTANCE: invention relates to a containment for a reactor compartment of a nuclear power plant. Containment is made in the form of walls and floors from monolithic steel-reinforced concrete structures by means of fixed steel modular formwork with formation of large and small caissons. Formwork module is made of rolled or stamped sheet billet with a profile in the form of an open trapezoid, comprising a closed base and an open base, and coated with sealed steel lining made on inner surface of containment mainly from high-strength alloyed stainless alloys. Fixed steel modular formwork is made of high-strength alloyed stainless alloys with possibility of installation on closed or open base, caissons are made with possibility of filling with heat insulation material or concrete. Tight steel lining along the inner surface of the containment is made in the form of a heat-insulating sandwich panel, the outer surface of which is made of high-strength alloyed stainless alloys.

EFFECT: increased operational reliability, safety and service life of NPP reactor compartment containment structures at high temperatures and/or emergency situations, or explosion, as well as expansion of functional and technological capabilities with reduction of material consumption.

1 cl, 6 dwg