Heat exchangers with clusters of straight or corrugated tubes, e

Details Heat exchangers with clusters of straight or corrugated tubes, e Heat exchangers with clusters of straight or corrugated tubes, e

1981-12-29

1986-03-04

Cline, William R.

Heat exchange

Casing or tank enclosed conduit assembly

With support in casing

165161, F28D 708, F28F 900, F28F 922

Patent

active

045735280

ABSTRACT:
An improved heat exchanger, applicable especially, but not exclusively, to a steam generator, preferably with straight or corrugated tubes (5) arranged in vertical concentric rows. The tubes (5) are maintained at certain axial levels thereof by concentric supporting systems, each of which consists of a zigzag circular strip (21) having alternate trapezoidal cells, and welded to a surrounding supporting strip (20). In the systems disposed at uncorrugated or "fixed" axial levels, the zigzag strip cells are shut off, after installation of the tubes (5), by a closing strip (22) to which is welded the supporting strip (20n) of the supporting system which is adjacent along the radial direction of the cylindrical casing (11), characterized in that at least some of the supporting systems (20, 21 . . . 20n, 21n) are independent of the supporting systems in the radial direction and form groups of supporting systems, and in that radial arms (14, 14', 14n) are provided for retaining said independent supporting systems.

REFERENCES:
patent: 2942855 (1960-06-01), Wellenisiek
patent: 2978226 (1961-04-01), White
patent: 3336974 (1967-08-01), Bernstein et al.
patent: 3420297 (1969-01-01), Ramanos
patent: 3626481 (1971-12-01), Taylor
patent: 3683866 (1970-11-01), Zmola
patent: 3782455 (1974-01-01), Wolowodiuk et al.
patent: 3989105 (1976-11-01), Trepaud
patent: 4058161 (1977-11-01), Trepaud
patent: 4154295 (1979-05-01), Kissinger
patent: 4253516 (1981-03-01), Giardina
patent: 4325171 (1982-04-01), Nobles

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