Heat exchanger for the recovery of the latent heat of exhaust gases

摘要

Heat exchanger for the recovery of the latent heat of exhaust gases with ceramic heat exchanger tubes, wherein the tubes (1) in each case in metal floors (4) are received, the respective ends of receiving and the abutment of the tubes (1) in the metal floors (4) are formed differently, in the ends of receiving a tube holder (13), a bush (10) as well as an o - ring (2) arranged between the mutually facing end faces of the bushing (10) and the tube (1), and the abutment has a blind bore (14) with a step and a o - ring (18) disposed between the mutually facing end faces of the graduation and the tube (1) comprises.