FIELD: instrument making.
SUBSTANCE: in a heat exchanger comprising fixed heat exchange pipes connected to supply and drain nozzles, pipes are installed in pipe walls closed with covers with holes for connection with supply and drain nozzles accordingly, at the same time between each pipe wall and the appropriate cover there are additional matrices with through holes, forming inner channels that connect at least one pair of pipes to each other and also to holes matching with holes in covers.
EFFECT: development of a split structure of a heat exchanger of coil type, lower labour intensiveness of heat exchanger production with simultaneous provision of the possibility for mechanical cleaning of inner surfaces of heat exchange pipes from scale and suspended matter deposits, higher reliability and service life.
25 cl, 1 dwg
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