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    • 9. 发明授权
    • Methods and apparatus for forming fluff pulp sheets
    • 用于形成绒毛纸浆的方法和设备
    • US08871059B2
    • 2014-10-28
    • US13398144
    • 2012-02-16
    • Jyrki T. JaakkolaJames E. Sealey
    • Jyrki T. JaakkolaJames E. Sealey
    • D21F11/00D21F1/08D21F11/14
    • D21H27/002D21C9/007D21F1/08D21F3/02D21F3/045D21F5/00D21F9/003D21F9/006D21F11/14D21H27/30D21H27/38
    • Processes for making fluff pulp sheets mechanically eliminate many unwanted fiber-to-fiber bonding (fiber bundles) in the sheet. Pulp slurry is deposited on a moving bottom forming wire to form a stock web. Pulp slurry is brought into contact with a moving top forming wire. The stock web is subjected to up and down dewatering creating separately formed layers to reduce fiber-to-fiber bonding. The stock web can be subjected to strong pulsating shear forces as it is being advanced along the bottom forming wire to break fiber bundles. The pulp slurry can be deposited on the bottom forming wire utilizing a headbox with dilution control to selectively adjust the concentration of the pulp slurry. Shoe presses can be used to dewater the web after it is subjected to the pulsating shear forces.
    • 用于制造绒毛纸浆的方法在纸张中机械地消除了许多不需要的纤维 - 纤维粘合(纤维束)。 浆料浆料沉积在移动的底部成形网上以形成原料纤维网。 将纸浆与移动顶部成形丝接触。 坯料经过上下脱水,形成分开形成的层,以减少纤维与纤维的粘结。 当织物沿着底部成形丝线前进时,织物可以受到强烈的脉动剪切力,以破坏纤维束。 纸浆可以利用具有稀释控制的流浆箱沉积在底部成形网上,以选择性地调节纸浆的浓度。 可以使用鞋压机在受到脉动剪切力之后对其进行脱水。