Tube support structure

Details Tube support structure Tube support structure

1976-07-06

1978-10-17

Myhre, Charles J.

Heat exchange

Casing or tank enclosed conduit assembly

With support in casing

122 32, 122510, F28F 100, F28D 700

Patent

active

041203500

ABSTRACT:
In accordance with an embodiment of the invention, an array of apertured flat plates support the tubes in a heat exchanger. Each aperture has at least three bights that provide individual fluid passageways when the associated tube is lodged in place. At least three inwardly protruding members that separate the bights restrain tube movement. Each of these members define arcs of a circle that has a diameter which is only slightly larger than the outside diameter of the respective tube. During heat exchanger assembly, this slightly larger diameter of the circle defined by the inwardly protruding members accommodates departures in the tubing from a perfectly straight condition. In operation, the individual tubes will tend to lay against one or two of the members in each aperture in almost line contact to prevent "crevice corrosion." The gap between the outer surface of the tube and the member or members with which it is not in contact, moreover, is so great that crevice corrosion in this region also is essentially overcome.

REFERENCES:
patent: 1454053 (1923-05-01), Jones
patent: 2334855 (1943-11-01), Zinkil
patent: 2805049 (1957-09-01), Kathoi
patent: 3147743 (1964-09-01), Romanos
patent: 3566961 (1971-03-01), Lorenz et al.
patent: 3841272 (1974-10-01), Mayor et al.

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