Heat transfer roll and method

Details Heat transfer roll and method Heat transfer roll and method

F - Mech Eng,Light,Heat,Weapons

28

F

257/21

F28F 5/00 (2006.01) F28D 11/02 (2006.01)

Patent

CA 1171078

ABSTRACT OF THE DISCLOSURE A means and method for attaining desired temperature conditions at not only the major extent of the heat transfer surface of a rotary heat transfer roll but also at the edges of the roll. Temperature conditioning fluid is introduced and distributed in part directly into a first end of an annular passage between an inner and an outer roll shell and in part into the annular passage adjacently downstream relative to the first end. Spent conditioning fluid is evacuated from the second end of the passage in part directly from the second end of the annular passage and in part through the inner shell adjacently upstream relative to the second end. While the roll is continuously rotating, the relative temperature conditioning effect of the conditioning fluid is adapted to be selectively controlled in respect to either or both ends of the temperature fluid circulating annular passage in the roll.

375731

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