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    • 8. 发明公开
    • METHOD AND ARRANGEMENT FOR AMELIORATING THE DEWATERING IN A TWIN WIRE PRESS
    • VERFAHREN UND ANORDNUNG ZUR VERBESSERUNG DERENTWÄSSERUNGIN EINER DOPPELDRAHTPRESSE
    • EP2655733A4
    • 2017-07-26
    • EP11850395
    • 2011-12-15
    • VALMET OY
    • LÖVGREN HANSÖDMARK LEIF
    • D21C9/18D21F1/80D21F9/00
    • D21F1/66D21C9/18D21F1/80D21F9/003
    • A method and apparatus for processing pulp is disclosed including opposed endless wires conveyed in the same direction and defining a web-forming space therebetween for dewatering the web, a pair of perforated dewatering tables supporting the endless wires for pressing the wires towards the web, the first perforated dewatering table ending upstream of the second perforated dewatering table, and a press roll downstream of the back end of the first perforated dewatering table and opposed to the back end of the second perforated dewatering table to form a nip between the press roll and the back end of the second perforated dewatering table, which has a profiled surface that interacts with the press roll to prolong the nip between the press roll and the back end of the second perforated dewatering table.
    • 公开了一种用于处理纸浆的方法和设备,其包括在相同方向上传送并且在其间限定用于使纸幅脱水的纸幅形成空间的对置环形丝线,支撑环形丝线以将丝线压向纸幅的一对穿孔脱水台, 在第二穿孔脱水台的上游终止的第一穿孔脱水台以及在第一穿孔脱水台的后端下游并且与第二穿孔脱水台的后端相对以在挤压辊与挤压辊之间形成辊隙的压榨辊 所述第二穿孔脱水台的后端具有与所述压榨辊相互作用的异型表面,以延长所述压榨辊和所述第二穿孔脱水台的后端之间的辊隙。