Patent ID: 6334482
Filing Date: 2002-01-01
Classification: F28F

Abstract:
A heat exchanger comprising:a substantially cylindrical, closed vessel defining a first space; a horizontal support wall disposed within the first space adjacent an upper portion thereof; a plurality of tubes fully connected to the support wall by a weld and hanging downwardly therefrom within the first space; a tube plate situated adjacent a lower portion of the first space, the tube plate including upper and lower walls spaced vertically apart to form a second space, a cooling manifold disposed in the second space for conducting cooling medium, the tubes extending downwardly through the upper and lower walls; a plurality of metallic bellows disposed around respective tubes, each bellows extending between the respective tube and the tube plate, one end of each bellows affixed for movement with a respective tube by a weld, the bellows being compressible and expandible to accommodate thermal expansion and contraction of the tubes; and a plurality of outer sleeves arranged in surrounding relationship to respective bellows, each sleeve extending from the upper wall to the lower wall.