Analysis of flow structure in large-scale circulating fluidized beds

Huagong Xuebao/Journal of Chemical Industry and Engineering (China)

Volumn 54, Issue 2, 2003, Pages 182-187

  Zhang, Minghui ^a   Qian, Zhen ^a   Yu, Hao ^a   Wei, Fei ^a   Jin, Yong ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

Downer; Flow structure; Riser; Transient behavior

Indexed keywords

CHEMICAL REACTORS; FLOW OF FLUIDS; PROBABILITY DISTRIBUTIONS; TWO PHASE FLOW;

CIRCULATING FLUIDIZED BED; DOWNER; FLOW STRUCTURE; LARGE SCALE; PROBABILITY DENSITY DISTRIBUTION;

FLUIDIZED BEDS;

EID: 0038207024     PISSN: 04381157     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. Zhu J X, Yu Z Q, Grace J R, ISSANGYA A. Cocurrent Downflow Circulating Fluidized-bed (Downer) Reactors - a state-of-the-art Review. Can. J. Chem. Eng., 1995, 73 (5): 662-677
2. Yang Yongrong, Rong Shunxi, Chen Gantang. Theoretical and Experimental Research on Turbulent Fluidized Bed. In: Proceedings of the 5th National conference on fluidization. Beijing: Tsinghua University Press, 1990. 18-21
3. Soong C H, Tuzla K, Chen J C. The Identification of Particle Clusters in Circulating Fluidized Bed. In: Avidan A A, ed. Circulating Fluidized Technology IV. New York: AIChE, 1994, 615-620
4. Bai D, Issangya Y S, Grace J R. Characteristics of Gas-Solids Fluidized Beds in Different Flow Regimes. Ind. Eng. Chem. Res., 1999, 38: 803-811
5. Lin Q, Wei F, Jin Y. Transient Density Signal Analysis and Two-phase Micro-structure Flow in Gas-Solids Fluidization. Chem. Eng. Sci., 2001, 56: 2179-2189
6. Tuzla K, Sharma A K, Chen J C, Schiewe T, Wirth K E, Molerus O. Transient Dynamics of Solid Concentration in Downer Fluidized Bed. Powder Technol., 1998, 100: 166-172
7. Krol S, Pekediz A, Lasa H de. Particle Clustering in Down Flow Reactors. Powder Technol., 2000, 108: 6-20
8. Zhang W, Tung Y, Johnsson F. Radial Voidage Profiles in Fast Fluidized Beds of Different Diameters. Chem. Eng. Sci., 1991, 46: 3045-4052
9. Wei F, Lin H F, Cheng Y, Wang Z W, Jin Y. Profiles of Particle Velocity and Solids Fraction in a High-density Riser. Powder Technol., 1998, 100: 183-189
10. Cheng Yi, Wei Fei, Lin Qian, Jin Yong, Yu Zhiqing. Chaotic Characteristics of Cocurrent Upflow and Downflow Gas/Solids Systems in Developed Regime of Vertical Pipes. Journal of Chemical Industry and Engineering (China), 1998, 49 (2): 185-193
11. Cheng Yi, Wei Fei, Wang Zhenyu, Jin Yong. Chaotic Analysis of Transient Behavior in High Velocity Fluidized Beds. Journal of Chemical Industry and Engineering (China), 2000, 51 (2): 169-175
12. Tsuji Y, Morikawa Y. LDV Measurement of an Air-Solid Two-phase Flow in a Horizontal Pipe. J. Fluid Mech., 1982, 120: 385-409
13. Wang Z W, Bai D R, Jin Y. Hydrodynamics of Cocurrent Downflow Circulating Fluidized Bed (CDCFB). Powder Technol., 1992, 70: 271-275
14. Cao C S, Jin Y, Yu Z Q, Wang Z W. The Gas-Solids Velocity Profiles and Slip Phenomenon in a Concurrent Downflow Circulating Fluidized Bed. In: Avidan A A, ed. Circulating Fluidized Technology IV. New York: AIChE, 1994. 406-413