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Roll compaction/dry granulation: comparison between roll mill and oscillating granulator in dry granulation.

机译:辊压制/干法制粒:在干法制粒中辊磨机和振荡制粒机的比较。

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摘要

Different experimental factorial designs were employed to evaluate granule properties obtained from oscillating granulator and roll mill. Four oscillating-granulator parameters were varied, i.e. rotor speed, oscillating angle, aperture of mesh screen and rotor type. Six roll-mill parameters that were throughput, speed ratio in both first and second stages, gap between roll pair in both stages and roll-surface texture were also investigated. Afterwards, the granule properties obtained from two milling types with similar median particle size were compared. All milling parameters in both milling types affected significantly the median particle size, size distribution and amount of fine particles (P?
机译:采用不同的实验析因设计来评估从振荡制粒机和辊磨机获得的颗粒性质。改变了四个振动造粒机参数,即转子速度,振荡角,筛孔和转子类型。还研究了六个轧机参数,分别是产量,第一和第二阶段的速比,两个阶段的辊对之间的间隙以及辊表面纹理。然后,比较了从两种具有相似中值粒径的研磨类型获得的颗粒性质。两种研磨类型的所有研磨参数均显着影响中值粒度,粒度分布和细粒数量(P≤0.05),但细粒振荡制粒机的转子类型除外。只有三个研磨参数对流动性有显着影响(P≤0.05)。这些是辊磨机第一阶段的生产量和间隙尺寸以及摆动式制粒机的筛孔尺寸。在研磨类型之间的比较中,颗粒性质的差异在实际中并不相关。但是,辊磨机的容量比摆动式制粒机高出大约七倍,从而提高了单位产品的能源节省。因此,可以使用辊磨机代替摆动式制粒机进行辊压实/干法制粒技术。

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