W pracy przedstawiono czynniki mające wpływ na przebieg procesu ciśnieniowej aglomeracji materiałów roślinnych i jakość uzyskanego produktu oraz wyniki badań wpływu wybranych parametrów aparaturowo-procesowych na maksymalne jednostkowe naciski zagęszczające uzyskane podczas procesu granulowania. Badania przeprowadzono na stanowisku badawczym, w skład którego wchodzi granulator z pierścieniowym układem roboczym.
EN
The paper presents the factors on the process of pressure agglomeration of plant materials and a quality of the obtained product and test results of the effect of selected equipment-process parameters on the maximum unit compacting pressure obtained during the granulating process. The tests were performed at the test bench, comprising of a granulator with annular working system.
The flowability of wheat meal of different particle size distributions was examined. Experiments were performed for six samples of wheat meal having a different content of fine fraction, of , a particle size between 0.1 and 0.2 mm. The standard direct she- , ar method and simplified method based on the measurement of outflow time of material leaving a funnel were applied. The highest values of flow function (FF) characteristic for cohesive materials were obtained for wheat meal with 25% addition of fine fraction, while for wheat meal with no addition of this fraction values of FF were found to be the lowest and characteristic for easy flowing materials. The longest outflow time of 7.5 s was obtained for wheat meal with the highest content of fine fraction and the shortest for wheat meal containing 5% of this fraction.
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