摘要 |
A press section in a machine for manufacturing a web (1) of fibrous material, comprising a shoe press with extended press nip, said shoe press having a counter roll (2) with a cylindrical press body (6); a press shoe (3) with a concave surface for cooperation with the press body (6); an impermeable belt (4) running through the press nip in sliding contact with the press shoe (3); a clothing (5) running in a loop around guide rolls and through the press nip in contact with the web, and being capable of receiving and carrying liquid along with it; a movable heat transfer means (9) for continuous transfer of heat to the web in the extended press nip; and a heat source (10) for heating the heat transfer means (9). According to the invention the counter roll comprises a sleeve that forms said heat transfer means (9) and encloses the press body. The invention also relates to a shoe press, a press section with a roll press, and treatment sections with roll and shoe calenders with sleeves of the type described.
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申请人 |
VALMET-KARLSTAD AB |
发明人 |
BENGTSSON, JAN, MARTIN;BROX, ERIK;HELGESSON, LEIF, ERIK;JANSSON, KJELL, SUNE, EVALD;KILIAN, ANNA, MALIN, KATARINA;NICANDER, JAN, WILHELM;SAEFMAN, NILS-ERIK;TOERNQVIST, KENTH, ROGER |