| 摘要 |
A roll for thermal and mechanical treatment of a web-shaped product, for example paper, comprising a) a roll body (1), b) thermal treatment conduits (2) for a thermal treatment fluid which are oriented in the roll body (1) in the vicinity of the surface of the roll body, c) insulating devices (4, 5; 4a, 5) configured in the thermal treatment conduits (2) such that, at one end of the roll body in each of the thermal treatment conduits (2), a thermal rim insulation is formed between the flowing thermal treatment fluid and the roll body (1), d) a trunnion flange (3) applied to the roll body (1), e) and actuators (8) mounted in the trunnion flange (3) and connected to the insulating devices (4, 5; 4a, 5), characterized in that f) the insulating devices (4, 5; 4a, 5) are elongatable in the thermal treatment conduits (2) in the longitudinal direction of the thermal treatment conduits (2) g) and that the actuators (8) in the trunnion flange (3) are mounted shiftable and fixable in the longitudinal direction of the thermal treatment conduits (2) and are connected to the insulating devices (4, 5; 4a, 5) for joint shifting.
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