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Model of energy consumption in the range of nucleation and granule growth in drum granulation of bentonite

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Języki publikacji
EN
Abstrakty
EN
The energy consumption during granulation process in horizontal drum granulators at variable process and equipment parameters: drum diameter, angular velocity and the degree of drum filling with raw material was investigated. The feed was wetted drop-wise during tumbling at a constant liquid flow rate. During the whole process the instantaneous values of the driving torque on the shaft were measured. The effect of the drum diameter, its angular velocity, drum filling degree and moisture content of the feed on energy consumption was evaluated. A model of the dependence of energy needed for nucleation and granules growth during wet granulation for different process and equipment parameters was proposed in the paper.
Rocznik
Strony
121--128
Opis fizyczny
Bibliogr. 9 poz.
Twórcy
autor
autor
  • Faculty of Process and Environmental Engineering, Technical University of Lodz, Poland Wolczanska 213, 90-924 Lodz, obraniak@wipos.p.lodz.pl
Bibliografia
  • 1. FORSSBERG E., ZENG Y., 1991, Effect of powder filling fraction on particle size and energy consumption in coarse grinding, Scandinavian Journal of Metallurgy, 20, 300–304.
  • 2. HEIM A., GLUBA T., OBRANIAK A.; 2001, Bed dynamics during granulation in rotating drums, Proceedings of the 7th International Symposium on Agglomeration (Albi, France 29-31.05), 887–896.
  • 3. HEIM A., GLUBA T., OBRANIAK A., 2004, The effect of the wetting droplets size on power consumption during drum granulation, Granular Matter 6, 137–143.
  • 4. HEIM A., GLUBA T., OBRANIAK A.; 1999, Badania momentu obrotowego podczas granulacji bębnowej, Physicochemical Problems of Mineral Processing, XXXVI Symposium, 49–62.
  • 5. HEIM A., KAŹMIERCZAK R., OBRANIAK A., 2004, Model dynamiki złoża ziarnistego w granulatorze talerzowym, Inżynieria Chemiczna i Procesowa 25 (3/2), 993–998.
  • 6. HOGG R., FUERSTENAU D.W., 1972, Power relationships for tumbling mills, Trans. SME-AIME, 252, 418–423.
  • 7. KAPUR P.C., RANJAN S., FUERSTENAU D.W., 1992, A cascade-cataract charge flow model for power draft of tumbling mills, International Journal of Mineral Processing 36, 9–29.
  • 8. MELLMANN J., 2001, The transverse motion of solids in rotating cylinders – forms of motion and transition behaviour, Powder Technology, 118, 251–270.
  • 9. RAJAMANI R. K., MISCHRA B.K., VENUGOPAL R.,DATTA A., 2000, Discrete element analysis of tumbling mills, Powder Technology., 109, 105–112.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT2-0003-0064
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