Manifold

Details Manifold Manifold

1984-09-11

1987-10-27

Davis, Jr., Albert W.

Heat exchange

With repair or assembly means

165158, 165113, 122483, F28F 906

Patent

active

047023082

ABSTRACT:
A header for a large heat transfer tube bundle having verticle U-bends. The header provides a four pass system employing the upper ends of the tubes for the first and third passes and the lower ends for the second and fourth passes. The header is arranged with a central divider and two boxes, one on either side of the divider. The boxes separate portions of the tubes from the main header cavities for the third and fourth passes. Condensate is removed after both the second and fourth passes. The first pass includes an inverted U-shaped configuration of tubes to increase available tube side heat to the outer sides of the tube bundle. The boxes include a gasket arrangement for separating portions of the tube bundle into various passes. A diffuser is also employed to better distribute incoming flow to the inverted U-shaped configuration of the first pass tubes.

REFERENCES:
patent: 1808619 (1931-06-01), Uhde
patent: 1990251 (1935-02-01), Potter
patent: 2154177 (1939-04-01), Moray
patent: 3734176 (1973-05-01), Hagnauer
patent: 3759319 (1973-09-01), Ritland et al.
patent: 3996897 (1976-12-01), Herzog
patent: 4016835 (1977-04-01), Yarden et al.
patent: 4106559 (1978-08-01), Ritland et al.
patent: 4166497 (1979-09-01), Coit
patent: 4325428 (1982-04-01), Schuurman
Brochure entitled "How to Select Tubing for . . . Modern Feedwater Heaters" from Huntingdon Alloy Products Div. of International Nickel Co., Inc., 1/61.

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