TUBE AND SHELL HEAT EXCHANGER Russian patent published in 2015 - IPC F28D3/02 F28F9/00 

FIELD: heating.

SUBSTANCE: heat exchanger comprises a housing provided with fittings for input and output of the coolant, the lids with fittings for input and output of the heat exchanging medium, and the bundle of heat exchanging tubes fixed in the holes of the tube grids, consisting of inner and the subsequent perforated plates with sealing material between them. Each tube grid is provided with the additional perforated plate. The housing is made with the inner recesses at the ends. The inner and the subsequent plates of the tube grids are clamped with the lids in the recesses of the housing. The heat exchanging tubes are equipped with clip bands.

EFFECT: simplification of manufacturing, improvement of reliability of the heat exchanger.

6 cl, 2 dwg