F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/147
F22B 37/24 (2006.01) F22B 37/20 (2006.01)
Patent
CA 1198948
STEAM COOLED HANGER TUBE FOR HORIZONTAL SUPERHEATERS AND REHEATERS ABSTRACT OF THE INVENTION In combination, a vertical gas pass (12) through which hot gases flow, a heat exchanger including a first tube panel (24, 26) having serpentine tube means, each tube means having a plurality of first (24, 26) horizontal tube portions, said heat exchanger having a second tube panel (32, 34) having serpentine tube means, each tube means having a plurality of second (32, 34) horizontal tube portions which lie adjacent to and in the same horizontal planes as the first (24, 26) horizontal tube portions, the upper terminal ends of the serpentine tube means having first vertical runs (24, 26) extending downwardly to a point beneath the bottom of the serpentine tube means, and having U-bends (28, 30) at the bottom, and having second vertical runs, which bend at the top and are integral with the uppermost horizontal tube portions, lug means (40) attached to opposite sides of some of the vertical runs (24, 26), a plurality of band means (42) encircling adjacent first and second horizontal tube portions (24, 32), the ends of the band means being attached (44, 46) to the lug means (40), each band means (42) being loose enough to permit relative movement between the two adjacent horizontal tube portions (24, 32), and also permit relative movement between the vertical run (26) and each of the horizontal tube portions (24, 32).
429106
Alstom Power Inc.
Smart & Biggar
LandOfFree
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