TUBE HEAT EXCHANGE ASSEMBLY AND APPARATUS, IN PARTICULAR REACTOR FOR PRODUCTION OF MELAMINE COMPRISING SUCH HEAT EXCHANGE ASSEMBLY Russian patent published in 2018 - IPC F28D7/16 

FIELD: machine building.

SUBSTANCE: present invention relates to a tube heat exchange assembly comprising tube plate (101) having a first face, which, under operating conditions, faces inside heat exchange chamber (140), and a second face, which is opposite to said first surface and, under operating conditions, faces outside said chamber (140), at least one through hole (103) passing through the thickness of specified tube plate (101), and at least one heat exchange tube (100) passing through specified through hole (103) and functionally connected to the circuit for supplying the heat exchange fluid. Said heat exchange assembly further comprises at least one sleeve (200) open at opposite ends and attached to said tube plate (101) as well as to said tube (100), wherein specified sleeve (200) is located in specified hole (103) and tightly mounted on specified tube (100) on its section, passing through the thickness of tube plate (101). Said sleeve (200) protrudes over the first face of tube plate (101), so that the first open end of the sleeve ends inside heat exchange chamber (140).

EFFECT: present invention also relates to an apparatus containing said heat exchange assembly.

10 cl, 5 dwg