Plate heat exchanger and double-walled heat exchanger plates, with single-wall

摘要

Plate heat exchanger (20) with a stack (21) of heat exchanger plates (1, 2), which are connected permanently to one another and between which separate through flow spaces for at least two heat exchangers - fluids are formed, characterised in that a part of the for the heat transfer is usable heat exchanger plates (1, 2) in each case as a single-walled heat exchanger plate (1) with a plate element and another part of the for the heat transfer is usable heat exchanger plates (1, 2) in each case as a double-walled heat exchanger plate (2) with two plate elements, which at least in a range of a heat via gear section closely come to rest against each other, is designed.