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    • 2. 发明申请
    • Method of refining wood chips or pulp in a high consistency conical disc refiner
    • 在高浓度锥形圆盘磨浆机中精炼木屑或纸浆的方法
    • US20060180684A1
    • 2006-08-17
    • US11133306
    • 2005-05-20
    • Lahoucine EttalebAlain RocheKeith Miles
    • Lahoucine EttalebAlain RocheKeith Miles
    • D21D1/30
    • D21D1/20D21D1/002D21D1/22D21D1/38
    • A method is proposed for improving pulp quality at high production rates on conical disc refiners. It permits a reduction in refining intensity by enabling fibre residence time to increase by increasing consistency, while avoiding the problem of plate plugging normally associated with high discharge consistency. In practice, inlet consistency is increased by the in-feed dilution, flat zone dilution or both, but without allowing the discharge consistency to rise. Instead, the discharge consistency is controlled at a fixed optimum value by the addition of dilution water within the conical zone. The result is that residence time is increased, and refining intensity decreased, by raising the consistency in the inner region of the refining zone, while avoiding the plate plugging caused by excessive consistency in the outer region of the refining zone.
    • 提出了一种在圆锥形精炼机上以高生产率提高纸浆质量的方法。 它允许通过使纤维停留时间通过增加一致性而增加,同时避免通常与高排放一致性相关的板堵塞问题,从而降低精炼强度。 在实践中,通过进料中稀释,平面区域稀释或两者均可增加入口稠度,但不允许排出稠度上升。 相反,通过在锥形区域内添加稀释水将排出稠度控制在固定的最佳值。 结果是,通过提高精炼区内部区域的一致性,同时避免由于精炼区外部区域的过度一致性引起的板堵塞,停留时间增加,精炼强度降低。