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1. (WO2003073031) HEAT EXCHANGER ARRANGEMENT AND A METHOD USED IN A HEAT EXCHANGER

Pub. No.:    WO/2003/073031    International Application No.:    PCT/FI2003/000132
Publication Date: Sep 4, 2003 International Filing Date: Feb 25, 2003
IPC: F01N 3/04
F01N 5/02
F28D 7/12
F28D 7/16
F28F 13/12
Applicants: WÄRTSILÄ FINLAND OY
HÄGGLUND, Thomas
Inventors: HÄGGLUND, Thomas
Title: HEAT EXCHANGER ARRANGEMENT AND A METHOD USED IN A HEAT EXCHANGER
Abstract:
The present invention relates to a heat exchanger arrangement (1.1), the arrangement comprising a shell flow arrangement (2) for a first heat transfer medium, a channel flow arrangement (5) for a second heat transfer medium, arranged to be at least partly enveloped by the shell flow arrangement, wherein the channel flow arrangement (5) comprises a first part (8) and a second part (9), in which the flow directions of the heat transfer mediums flow are opposite. The first part (8) of the channel flow arrangement (5) comprises an outer shell (8.1) at least partially enveloping the shell flow arrangement and the second part (9) comprises an inner shell (9.1) arranged at least a partially inside the first part. The invention also relates to a corresponding method.