HEAT EXCHANGER Russian patent published in 2008 - IPC F28D7/00 

FIELD: nuclear power engineering.

SUBSTANCE: heat exchanger consists of a central header with a distributing and collecting chambers arranged in a shell and a ring-shaped bank of tubular platens with upper and lower sections arranged in the shell as well and connected with radial tube ends to the appropriate header chambers made, in plan view, as bent to one side in the direction from header to shell and communicating between each other along the tube space by means of appropriate middle platen sections; at that in each platen the upper and lower sections are connected to each other at least with one vertical tube spacer in the platen, which is connected with one of its ends to support-and-ring horizontal beam, and with the other end - with horizontal ring of platen spacer ring in the bank. Each vertical tube spacer in the platen is connected with support-and-ring horizontal beam by means of a hinge, and the above horizontal ring consists of horizontal plates throughout its length, each of which is installed so that it mates the adjacent plate.

EFFECT: providing free thermal tube elongation in each platen and constant pitch between platens, and avoiding extreme tube bank vibrations and local platen tube wear.

4 cl, 8 dwg