A roll press and a roll body for a press roll

Details A roll press and a roll body for a press roll A roll press and a roll body for a press roll

D - Textiles, Paper

21

C

D21C 9/18 (2006.01) B30B 9/20 (2006.01)

Patent

CA 2589534

A roll body for a press roll (12, 13) for dewatering pulp, comprising a cen¬ tral drum (8, 16, 17) and several frame rings (7. 7.1 , 7.2, 7.3, 4..4, 14, 15), to which at least one perforated roll plate (18, 19) is intended to be attached, the frame rings (7. 7.1 , 7.2, 7.3, 4..4, 14, 15) being distributed along the length of the central drum (8, 16, 17), where each frame ring (7. 7.1 , 7.2, 7.3, 4..4, 14, 15) is attached directly to the central drum (8, 16, 17), and is provided with at least one recess (9.1 , 9.2, 9.3), whereby a passage in the axial direction is provided for the transport of liquid to the ends of the roll body, and a roll press comprising at least one press roll (12, 13) provided with said roll body.

La présente invention concerne un corps de cylindre pour cylindre compresseur (12, 13) destiné à déshydrater la pulpe, comprenant un tambour central (8, 16, 17) et plusieurs anneaux d~encadrement (7. 7.1 , 7.2, 7.3, 4..4, 14, 15), auquel on fixe au moins une plaque cylindrique perforée (18, 19), les anneaux d~encadrement (7. 7.1 , 7.2, 7.3, 4..4, 14, 15) étant répartis le long de la longueur du tambour central (8, 16, 17), chaque anneau d~encadrement (7. 7.1 , 7.2, 7.3, 4..4, 14, 15) étant directement fixé au tambour central (8, 16, 17) et pourvu d~au moins un renfoncement (9.1 , 9.2, 9.3), un passage pratiqué dans la direction axiale étant prévu pour le transport de liquide aux extrémités du corps de cylindre et une presse à cylindres comprenant au moins un cylindre compresseur (12, 13) pourvu dudit corps de cylindre.

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