公开(公告)号：EP2201306A1

公开(公告)日：2010-06-30

申请号：EP08805143.8

申请日：2008-10-08

申请人： Bekaert Combust. Technol. B.V.

发明人： HUBAU, Karel ,  BEUKERS, Johannes ,  THIJSSEN, Paul ,  VAN PETEGHEM, Jan ,  GEELEN, Frank

IPC分类号： F24H1/26 ,  F24H1/38 ,  F24H9/00 ,  F28F13/00 ,  B22D19/00

CPC分类号： F24H1/26 ,  B22D19/0063 ,  F24H1/38 ,  F24H9/0026 ,  F28F3/022 ,  F28F3/048 ,  F28F3/12 ,  F28F13/003 ,  F28F21/08 ,  F28F2255/14 ,  Y10T29/4935

摘要： The present invention relates to a co-cast heat exchanger element intended for a central heating boiler, which heat exchanger element is made from substantially aluminum, the heat exchanger element being provided with walls which enclose a water carrying channel, and with at least one wall which encloses at least one flue gas draft to which a burner can be connected, at least one wall which encloses the at least one flue gas draft being water-cooled in that it also forms a boundary of the water-carrying channel, while one of the water-cooled walls is provided with heat exchanging surface enlarging pins and/or fins which extend in the respective flue gas draft and is also provided with other heat exchanging surface enlarging metallic porous structures.