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首页> 外文期刊>Revue de l'Association Technique de l'Industrie Papetiere >Stickies screening:influence of consistency and other screen operating and technological parameters
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Stickies screening:influence of consistency and other screen operating and technological parameters

机译：胶粘筛分：一致性的影响以及其他筛分操作和技术参数

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摘要

Pilot screening tests were performed with re-pulped copy paper and PSA stickies under different conditions with 0.15 mm wedge wire slots to optimise the removal of macro-stickies at the first high-consistency slot-screening step in deinking lines.A limited fragmentation of the stickies was observed during the tests.Rotor velocity showed low influence except on the screening capacity(maximum slot velocity) at high consistency.As previously observed at low consistency,increasing slot velocity(from 1 to 2 m/s) reduced the efficiency and the best results were obtained with low contours(0.6 mm) compared to high contours(1.2 mm).The screening efficiency was maintained when the consistency was increased up to 3.7%,except for the results obtained at the screening capacity limits.Further investigations are in progress to evaluate the influence of fibre consistency and profile height at secondary stages of DIP screening systems,because of the concentration of long and stiff fibres in rejects.
机译：使用重新切割的复印纸和PSA胶粘剂在不同条件下使用0.15毫米楔形线槽进行了初步筛选测试，以优化脱墨生产线的第一个高浓度缝隙筛选步骤中大胶粘物的去除。在试验过程中观察到胶粘物。转子速度对高浓稠度的筛分能力（最大缝隙速度）的影响较小。低轮廓（0.6 mm）相对于高轮廓（1.2 mm）可获得最佳结果。当稠度提高到3.7％时，筛分效率得以保持，但在筛分能力极限下获得的结果除外。在DIP筛选系统的次级阶段评估纤维稠度和轮廓高度的影响方面取得了进展，这是因为长而硬的纤维在废品中的浓度。

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