SHELL-AND-TUBE HEAT EXCHANGER Russian patent published in 2014 - IPC F28D7/16 F28F9/13 

FIELD: heating.

SUBSTANCE: invention relates to heat-and-power engineering, chemical and petrochemical industry and is designed for use large-tonnage industrial plants. In the shell-and-tube heat exchanger comprising a body with bottoms, a tube bundle closed at both sides by tube sheets, arranged in the form of a disc with continuous ledges and indents arranged concentrically, in which holes are made to fix the tubes of the tube bundle, any ledge or indent in the cross section have the shape of the right-angled triangle, one side of which is perpendicular to the plane of the tube sheet, and the other one is inclined to it, at the same time holes for fixation of tubes are arranged in the middle of the inclined side, and in the centre of the tube sheet there is a cylindrical ledge with a hole for fixation of the central tube.

EFFECT: expansion of arsenal of technical facilities, increased reliability and resource of operation, reduced material intensity.

5 cl, 5 dwg