Hot -blast heat transfer device of cartridge type fin -tube type

The utility model relates to a flue gas heat reclaim unit among the coating line, especially a hot -blast heat transfer device of cartridge type fin -tube type, including heat preservation casing andhoneycomb heat exchange pipe assembly. Be equipped with smoke air inlet, exhanst gas outlet, clean cold air inlet and clean hot air exitus on the heat preservation casing, heat exchange pipe assemblybecomes cellular welding by several rows of heat exchange tube and forms, and the compartment is equipped with the guide plate between the pipeline, it has spiral fin all to weld on the every heat exchange tube to the interlude is radially supported by the guide plate on the guide plate. Heat exchange pipe assembly's center is equipped with the flue gas flux governing valve. Its advantage is simple structure, and the heat exchange is abundant, and heat recovery rate is high. 本实用新型涉及种涂装生产线中的烟气热量回收装置，特别是种筒型翅片管式热风换热装置，包括保温壳体和蜂窝状的换热管组件。保温壳体上设有烟气进风口、烟气出口、清洁冷风入口和清洁热风出口；换热管组件由排排的换热管成蜂窝状焊接而成，管道之间间隔式设有导流板；每根换热管上均焊接有螺旋式翅片，并穿插在导流