Reformer tube heat transfer device

Details Reformer tube heat transfer device Reformer tube heat transfer device

C - Chemistry, Metallurgy

01

B

319/23

C01B 3/38 (2006.01) B01J 8/06 (2006.01) F28D 7/02 (2006.01) H01M 8/04 (2006.01) H01M 8/06 (2006.01)

Patent

CA 1316979

Abstract of the Disclosure Reformer Tube Heat Transfer Device Heat is more efficiently transferred to the catalyst tubes in a fuel cell power plant reformer by mounting sleeves about the individual catalyst tubes. The sleeves define helical hot gas flow paths on the outside of the catalyst tubes. Adjacent flow paths are separated from each other by arcuate ribs between the tubes and sleeves that provide line contact with the outer surface of the tubes for improved heat transfer. The ribs may be formed with circular rods attached to the tubes or sleeves, or by helical grooves with semi-circular configurations formed in the sleeves. Approximately fifty percent greater heat transfer can be achieved using the line contact ribs to form the hot gas flow paths. The sleeves, tubes and ribs are all made of metal. - 10 -

594083

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