Patent ID: 8579020
Filing Date: 2013-11-12
Classification: F28D

Abstract:
1. An improved concentric tube heat exchanger, comprising: at least a cylindrical tube ( 1 ) for circulation of a product to be treated, provided with a flanged inlet ( 11 ) and a flanged outlet ( 12 ) of the product; a hollow body ( 2 ) internally of which an exchange service fluid circulates, the hollow body being arranged concentrically internally of the tube ( 1 ) and configured such as to define internally thereof compulsory pathways respective for an outward and a return run of the exchange service fluid and such as to have the inlet and the outlet of the exchange service fluid arranged at a same end of and in proximity of an end of the tube; a flanged inlet connector ( 3 ) for introducing the product into the tube ( 1 ), a flange ( 3 a ) of which the inlet connector ( 3 ) connects with an inlet flange ( 11 a ) of the inlet ( 11 ) of the tube; a flanged outlet connector ( 4 ) for extracting the product from the tube ( 1 ), a flange ( 4 a ) of the outlet connector ( 4 ) connects with a flange ( 12 a ) of the outlet ( 12 ) of the tube; an intermediate flange ( 5 ), said intermediate flange ( 5 ): being solidly connected to the end of the hollow body provided with the inlet and the outlet for the exchange service fluid; projecting from the tube ( being, provided with a passage hole ( the passage ( the flange of the inlet connector (