PIPE PROTECTION DEVICE Russian patent published in 2023 - IPC G21C9/16 

FIELD: nuclear power plants.

SUBSTANCE: pipe protection device belongs to the emergency protection systems of nuclear power plants, in particular to the pipe protection devices for the passive filling of the melt trap shaft and can be used in severe accidents leading to the destruction of the reactor vessel. The pipe protection device contains a housing with a drain hole and vertical tubular filter elements mounted on its lower support panel in several rows, secured with their upper ends in the upper support panel. Above the filter elements there is an overflow chamber connected to them, below the filter elements there is a collection chamber, also connected to the filter elements and the outlet pipeline located below it. The cross-section of the hole in the top panel is made smaller than the total cross-section of the internal holes of the filter elements.

EFFECT: increasing the safety of using a pipe protection device by ensuring filtration of the coolant when a solution with a large amount of foreign impurities flows.

4 cl, 3 dwg