Heat exchange roll

Claim 1

A HEAT EXCHANGE ROLL COMPRISING A LONGITUDINAL CYLINDER HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED LONGITUDINAL PASSAGEWAYS AND A LONGITUDINAL AXIAL CORE, A FLUID TRANSFER END COMPRISING A CYLINDRICAL HOUSING HAVING A TRUNNION EXTENDING FROM ONE SIDE AND A ROUND FLANGE EXTENDING FROM THE OPPOSITE SIDE, AN AXIAL BORE PROVIDED IN SAID ROUND FLANGE AND IN SAID CYLINDRICAL HOUSING, MEANS FOR REMOVABLY SECURING SAID FLUID TRANSFER END TO SAID LONGITUDINAL CYLINDER WITH SAID ROUND FLANGE LOCATED IN SAID LONGITUDINAL AXIAL CORE, MEANS IN SAID CYLINDRICAL HOUSING FOR CONDUCTING FLUID FROM SAID AXIAL BORE TO ALTERNATE LONGITUDINAL PASSAGEWAYS AND ADDITIONAL PASSAGEWAY MEANS FOR CONDUCTING FLUID FROM THE REMAINING LONGITUDINAL PASSAGEWAYS TO SAID AXIAL CORE, AN INLET AND OUTLET END COMPRISING A CYLINDRICAL BODY PROVIDED WITH A TRUNNION PROJECTING FROM ONE SIDE AND A CIRCULAR PROJECTION ON THE OPPOSITE SIDE WITH SAID CIRCULAR PROJECTION LOCATED IN SAID LONGITUDINAL AXIAL CORE, AN AXIAL OPENING IN SAID TRUNNION CYLINDRICAL BODY AND CIRCULAR PROJECTION, CONSTITUTING A FLUID OUTLET MEANS REMOVABLY SECURING SAID INLET AND OUTLET END TO SAID LONGITUDINAL CYLINDER, MEANS IN SAID CYLINDRICAL BODY FOR CONDUCTING FLUID FROM ONE LONGITUDINAL PASSAGEWAY TO THE ADJACENT LONGITUDINAL PASSAGEWAY FOR REVERSING THE DIRECTION OF FLOW OF THE FLUID FLOWING THROUGH SAID LONGITUDINAL CYLINDER AND A TUBE LOCATED IN SAID AXIAL OPENING AND AXIAL CORE, AND SECURED TO SAID ROUND FLANGE TO PROVIDE AN EXTENSION OF SAID AXIAL BORE FOR THE INLET ENTRANCE OF FLUID TO SAID FLUID TRANSFER END.