HEAT EXCHANGER Russian patent published in 2020 - IPC F28D7/00 

FIELD: heat exchange.

SUBSTANCE: heat exchanger comprising a vertical housing, an upper and a lower detachable cover, a tube bundle arranged inside the housing and enclosed by casing, which is installed relative to housing with formation of peripheral cavity, divided by partition wall into upper and lower compartment, made in form of vertical shell, connected by lower section with pipe and baffle system, fixed by one edge to shell, and other is to housing, pipes of heat carrier of annular space, installed on housing against corresponding compartment of peripheral cavity, pipes of heat carrier pipe space pipe, wherein the heat exchanger covers are attached by means of a flange connection, wherein the seal of the flange connection is made with at least two O-rings of different diameters with formation of an interlacing space.

EFFECT: invention relates to heat engineering and can be used in heat exchangers of nuclear power plants.

1 cl, 2 dwg