Flow Behaviors in a Circulating Fluidized Bed with Various Bubble Cap Distributors

Industrial and Engineering Chemistry Research

Volumn 43, Issue 7, 2004, Pages 1756-1764

  Guo, Qingjie ^a   Werther, Joachim ^b  

^a CHINA UNIVERSITY OF PETROLEUM   (China)

^b HAMBURG UNIVERSITY OF TECHNOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BUBBLE FORMATION; CONCENTRATION (PROCESS); FLOW OF FLUIDS; PRESSURE DROP;

FLOW BEHAVIORS; VARIABLE BUBBLE CAP DISTRIBUTORS;

FLUIDIZED BEDS;

BUBBLE; CIRCULATION; DISTRIBUTION; FLOW PATTERN; FLUIDIZED BED; INDUSTRIAL APPLICATION;

ARTICLE; CATALYSIS; CONCENTRATION (PARAMETERS); FLOW RATE; FLUIDIZED BED; PARTICLE SIZE; PRESSURE; REACTION ANALYSIS; SOLID;

EID: 1842457039     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie030629l     Document Type: Article

References (14)

1. Nieuwland, J.; Meijer, R.; Kuipers, J. A. M.; van Swaaij, W. P. M. Measurements of Solids Concentration and Axial Solids Velocity in Gas-Solid Two-Phase Flows. Powder Technol. 1996, 87, 127-129.
2. Issangya, A. S.; Bai, D.; Bi, H. T.; Lim, K. S.; Zhu, J.; Grace J. R. Suspension Densities in a High-Density Circulating Fluidized Bed Riser. Chem. Eng. Sci. 1999, 54, 5451-5460.
3. Bai, D.; Shibuya, E.; Masuda, Y.; Nakagawa, N.; Kato, K. Flow Structure in a Fast Fluidized Bed. Chem. Eng. Sci. 1996, 51, 957-966.
4. Rhodes, M. J.; Sollaart, M.; Wnag, X. Flow Structure in a Fast Fluidized Bed. Powder Technol. 1998, 99, 201-209.
5. Berruti, F.; Kalogerakis, N. Modeling of the Internal Flow Structure of Circulating Fluidized Beds. Can. J. Chem. Eng. 1989, 67, 1010-1014.
6. Werther, J.; Hartge, E.-U.; Kruse, M. Radial gas mixing in the upper dilute core of a circulating fluidized bed. Powder Technol. 1992, 70, 293-301.
7. Johnston, P. M.; Zhu, J.; Lasa, I.; Zhang, H. Effect of Distributor Designs on the Flow Development in Downer Reactor. AIChE J. 1999, 45, 1587-1592.
8. Hage, B.; Werther, J. The Guarded Capacitance Probe. A Tool for the Measurement of Solids Flow Pattern in Laboratory and Industrial Fluidized Bed Combustors, Powder Technol. 1997, 93, 235-245.
9. Wiesendorf, V.; Werther, J. Capacitance Probes for Solids Volume Concentration and Velocity Measurements in Industrial Fluidized Bed Reactors. Powder Technol. 2000, 110, 143-157.
10. Guo, Q.; Werther, J.; Aue-Klett, C.; Hartge, E.-U. Flow Maldistribution at Bubble Cap Distributor in a Plant-scale CFB Riser. Submitted to AIChE J.
11. Li, Y.; Kwark, M. The Dynamics of Fast Fluidization. In Fluidization; Grace, J. R., Matsen, J. M., Eds.; Plenum Press: New York, 1980; pp 537-544.
12. Arena, U.; Cammarota, A.; Pistone, L.; Tecchio, P. V. The High Velocity Fluidization Behavior of Solids in a Laboratory Scale Circulating Bed. In Circulating Fluidized Bed Technology; Basu, P., Ed.; Pergamon Press: New York, 1986; pp 119-125.
13. Bai, D.; Jin, Y.; Yu, Z.; Zhu, J. The Axial Distribution of the Cross-sectionally Averaged Voidage in Fast Fluidized Beds. Powder Technol. 1992, 71, 51-58.
14. Hartge, E.-U.; Werther, J. Gas Distributors for Circulating Fluidized Bed Combustors. In Fluidization IX,; Fan, L.-S., Thowlton, T. M., Eds.; Engineering Foundation: New York, 1998; pp 213-220.