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    • 1. 发明公开
    • Method and device for handling cellulose pulp
    • Verfahren und Vorrichtung zurBeförderungvon Zellstoff
    • EP1584743A1
    • 2005-10-12
    • EP05075727.7
    • 2005-03-30
    • Kvaerner Pulping AB
    • Snekkenes, VidarSaetherasen, JonasGustavsson, LennartOlsson, Göran
    • D21F1/74D21C9/18D21C9/06
    • D21F1/74
    • By shredding of the pulp to a finely divided dry granulate, dilution to a homogeneous consistency in the medium consistency range can take place exclusively through hydrodynamic effects from the addition of dilution fluid. The dilution fluid is added to the granulate at a position at which the granulate is in free fall in a stand pipe 22, 40 and above a level Liq LEV of diluted pulp in the stand pipe. A number of nozzles are arranged around the periphery of the stand pipe, directed in towards the centre of the stand pipe, obliquely downwards in the direction of fall of the granulate.
      It is possible through this simplified procedure to avoid completely the conventional dilution screws, and this reduces the investment costs and operating costs, while at the same time unnecessary mechanical influence of the pulp fibres can be avoided.
    • 通过将纸浆粉碎成细碎的干燥颗粒,在中等稠度范围内稀释至均匀的稠度可以通过加入稀释液体的流体动力学效应进行。 将稀释液加入到颗粒在立管22,40中自由落体的位置处,并在立管上的稀释纸浆的LiqLEV之上。 多个喷嘴围绕立管的周边布置成朝着立管的中心朝向颗粒的坠落方向倾斜地向下倾斜。 通过这种简化的程序可以完全避免常规的稀释螺钉,这样可以降低投资成本和操作成本,同时可以避免纸浆纤维的不必要的机械影响。
    • 7. 发明公开
    • Method and apparatus for the integrated cleaning for use in a paper-pulp processing plant
    • Verfahren und Vorrichtung zur integrierten Reinigungfüreine Papierzellstoffverarbeitungsanlage
    • EP2360313A1
    • 2011-08-24
    • EP10154207.4
    • 2010-02-22
    • Industrial Technology & Services LLC
    • Mondon, Francis
    • D21D5/02D21D5/24D21F1/74
    • D21D5/02D21D5/026D21D5/24D21F1/74
    • The present invention discloses a method for the integrated cleaning of a paper-pulp processing plant including one or more high density cleaners. The method comprises the steps of supplying the rejected flow (10) from one of said high density cleaners to a screening centrifugal separator (11); screening out contaminants in the separator (11) using a screen hole size of less than 3.5 mm; and thickening any fibrous material accepted by the separator (11) and returning same to stock being processed in the processing plant. In particular, thickening of the fibrous material accepted by the separator (11) is via a two-stage process. Preferably, the first these two stages is via a gravity dewatering process (15) and the second of these stages is via a hydrostatic dewatering process (18). The invention further comprises apparatus for performing said method.
    • 本发明公开了一种包括一个或多个高密度清洁剂的纸浆加工设备的综合清洗方法。 该方法包括以下步骤:将废弃流(10)从所述高密度清洁剂之一提供给筛分离心分离器(11); 使用小于3.5mm的筛网孔尺寸筛分分离器(11)中的污染物; 并加厚由分离器(11)接受的任何纤维材料,并将其返回到在加工厂中加工的原料。 特别地,分离器(11)所接受的纤维材料的增厚是经过两步法。 优选地,这两个阶段的第一阶段是通过重力脱水工艺(15),并且这些阶段中的第二阶段通过静水脱水工艺(18)。 本发明还包括用于执行所述方法的装置。