Heat exchanger is of laminated with a bypass, as well as a process for the preparation of a heat exchanger in a plate structure with bypass

摘要

A heat exchanger according to the invention (10) in plate structure comprises a plurality of parallel to each other and connected to each other in this manner cooling plates (20, 22, 24), that between the cooling plates (20, 22, 24) extending parallel to a direction of extension of the cooling plates extending cooling - flow channels (26) for a fluid to be cooled are formed, wherein, which extends transversely to the extend of the cooling plates at least one of the cooling plates (20, 22, 24) which extend through channel (30, 32), said channel (30, 32) by means of a formed in an external cooling plate, by means of a control element (56), if necessary, closable opening (46) is extended in such a way that at least a subset of the fluid which is to be cooled in the open position, the control element (56) by means of this cooling plate into at least one, the cooling - flow channels (26) (52) bypass channel bypassing can flow.