The influence of vessel geometry on fluidized bed dryer hydrodynamics

Powder Technology

Volumn 194, Issue 1-2, 2009, Pages 115-125

  Wormsbecker, Michael ^a   van Ommen, Ruud ^b   Nijenhuis, John ^b   Tanfara, Helen ^c   Pugsley, Todd ^a  

^a UNIVERSITY OF SASKATCHEWAN   (Canada)

^b DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^c MERCK FROSST CENTRE FOR THERAPEUTIC RESEARCH   (Canada)

Author keywords

Conical; Cylindrical; Drying; Fluidization; Hydrodynamics; Pressure fluctuations

Indexed keywords

BATCH DRYING PROCESS; BATCH FLUIDIZED BED DRYER; BUBBLE COALESCENCE; CONICAL; CYLINDRICAL; DOMINANT FREQUENCY; FLUIDIZED BED DRYERS; GAS DISTRIBUTOR; LABORATORY SCALE; PRESSURE FLUCTUATION; PRESSURE FLUCTUATIONS; SURFACE MOISTURES; VESSEL GEOMETRY;

BUBBLE FORMATION; COALESCENCE; CURING; DEWATERING; DRYERS (EQUIPMENT); DRYING; FLUIDIZATION; FLUIDIZED BEDS; HYDRODYNAMICS;

FLUID DYNAMICS;

ARTICLE; EXPERIMENTAL STUDY; FLUIDIZED BED; FREQUENCY ANALYSIS; GAS ANALYSIS; GEOMETRY; HYDRODYNAMICS; MOISTURE; OXYGENATION; PRESSURE; SURFACE PROPERTY; VESSEL;

EID: 67349114526     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2009.03.036     Document Type: Article

References (34)

1. Wormsbecker M., and Pugsley T. The influence of moisture on the fluidization behaviour of porous pharmaceutical granule. Chem. Eng. Sci. 63 (2008) 4063-4069
2. Levy E.K., and Celeste B. Combined effect of mechanical and acoustical vibrations on fluidization of cohesive powders. Powder Technol. 163 (2006) 41-50
3. Xu C., and Zhu J. Parametric study of fine particle fluidization under mechanical vibration. Powder Technol. 161 (2006) 135-144
4. Kuipers N.J.M., Stamhuis E.J., and Beenackers A.C.M. Fluidization of potato starch in a stirred vibrating fluidized bed. Chem. Eng. Sci. 51 (1996) 2727-2732
5. Noda K., Mawatari Y., and Uchida S. Flow patterns of fine particles in a vibrated fluidized bed under atmospheric or reduced pressure. Powder Technol. 99 (1998) 11-14
6. Ambrosio M.C.B., and Taranto O.P. The drying of solids in a modified fluidized bed. Braz. J. Chem. Eng. 19 (2002) 355-358
7. Caussat B. Experimental study on fluidization of micronic powders. Powder Technol. 157 (2005) 114-120
8. Getz G.G., and Torab H. Mixing characteristics of a pulse fluidized bed of fine powder. AIChE Symp. Ser. v 85 (1989) 468-474
9. A. Akhavan, J.R. van Ommen, J. Nijenhuis, X.S. Wang, M.-O. Coppens, M. Rhodes, Improved drying in a pulsation-assisted fluidized bed. Accepted for publication in Ind. Eng. Chem. Res. 48 (1) (2009) 302-309.
10. P.E. Gishler, K.B. Mathur, Method of contacting solid particles with fluids. U.S. Patent No. 2,786,280 to Nat. Res. Council of Can., 1957 (filed 1954). Brit. Patent No. 801,315.
11. Mathur K.B., and Epstein N. Spouted Beds (1974), Academic Press Inc., New York 2
12. Romankov P.G., and Rashkovskaya N.B. Drying in a Suspended State. 2nd Ed. (1968), Chem. Publ. House, Leningrad Branch
13. Romankov P.G. Drying. In: Davidson J.F., and Harrison D. (Eds). Fluidization. 1st Ed. (1971), Academic Press Inc., New York 569-598
14. Toyohara H., and Kawamura Y. Fluidization of a tapered fluidized-bed of a binary particle mixture. Int. Chem. Eng. 32 1 (1992) 164-171
15. Schaafsma S.H., Marx T., and Hoffmann A.C. Investigation of the particle flowpattern and segregation in tapered fluidized bed granulators. Chem. Eng. Sci. 61 (2006) 4467-4475
16. Khanna P., Pugsley T., Tanfara H., and Dumont H. Radioactive particle tracking in a lab-scale conical fluidized bed dryer containing pharmaceutical granule. Can. J. Chem. Eng. 86 (2008) 563-570
17. T. Pugsley, G. Chaplin, P. Khanna, Application of advanced techniques to conical lab-scale fluidized bed dryers containing pharmaceutical granule. Trans. Inst. Chem. Eng, Food and Bioproducts Processing 85(C3) (2007) 273-283.
18. Wiens J., and Pugsley T. Tomographic imaging of a conical fluidized bed of dry pharmaceutical granule. Powder Technol. 169 (2006) 49-59
19. Gernon T.M., Gilbertson M.A., Sparks R.S.J., and Field M. Tapered fluidized beds and the role of fluidization in mineral emplacement. In: Bi X., Berutti F., and Pugsley T. (Eds). Fluidization XII, ECI, Harrison Hot Springs, Canada (2007) 545-552
20. Markowski A., and Kaminski W. Hydrodynamic characteristics of jet-spouted beds. Can. J. Chem. Eng. 61 (1983) 377-381
21. Olazar M., San José M.J., Aguayo A.T., Arandes J.M., and Bilbao J. Stable operation conditions for gas-solid contact regimes in conical spouted beds. Ind. Eng. Chem. Res. 31 (1992) 1784-1792
22. Jing S., Hu Q., Wang J., and Jin Y. Fluidization of coarse particles in gas-solid conical beds. Chem. Eng. Process 39 (2000) 379-387
23. Dieva Venkatesh R., Chaouki J., and Kivana D. Fluidization of cryogels in a conical column. Powder Technol. 89 (1996) 179-186
24. Wormsbecker M., Tanfara H., and Pugsley T. Interpretation of the hydrodynamic behaviour in a conical fluidized bed dryer. Chem. Eng. Sci. 64 8 (2009) 1739-1746
25. Nijenhuis J., Korbee R., Lensselink J., Kiel J.H.A., and van Ommen J.R. A method for agglomeration detection and control in full-scale biomass fired fluidized beds. Chem. Eng. Sci. 62 (2007) 644-654
26. van Ommen J.R., van der Schaaf J., Schouten J.C., van Wachem B.G.M., Coppens M.-O., and van den Bleek C.M. Optimal placement of probes for dynamic pressure measurements in large-scale fluidized beds. Powder Technol. 139 (2004) 264-276
27. The Mathworks™. http://www.mathworks.com/products/matlab, June 2008.
28. van der Schaaf J., Schouten J.C., Johnsson F., and van den Bleek C.M. Non-intrusive determination of bubble and slug length scales in fluidized beds by decomposition of the power spectral density of pressure time series. Int. J. Multiph. Flow 28 (2002) 865-880
29. Wolny A., and Kazmierczak W. The influence of static electrification on dynamics and rheology of fluidized bed. Chem. Eng. Sci. 48 (1993) 3529-3534
30. Yao L., Bi H.T., and Park A.-H. Characterization of electrostatic charges in freely bubbling fluidized beds with dielectric particles. J. Electrost. 56 (2002) 183-197
31. Grace J.R., and Sun G. Influence of particle size distribution on the performance of fluidized bed reactors. Can. J. Chem. Eng. 69 (1991) 1126-1134
32. Baeyens J., and Geldart D. An investigation into slugging fluidized beds. Chem. Eng. Sci. 29 (1974) 255-265
33. Johnsson F., Zijerveld R.C., Schouten J.C., van den Bleek C.M., and Leckner B. Characterization of fluidization regimes by time-series analysis of pressure fluctuations. Int. J. Multiph. Flow 26 (2000) 663-715
34. Chaplin G., Pugsley T., and Winters C. The s-statistic as an early warning of entrainment in a fluidized bed dryer containing pharmaceutical granule. Powder Technol. 149 (2005) 148-156