Gas-solid flow CFD simulation and structural optimization of feed injecting zone of riser reactor

被引：0

作者：

Gao G. ^{[1
]}

Li X. ^{[1
,2
]}

Jiang B. ^{[1
,2
]}

Sui H. ^{[1
,2
]}

Wang F. ^{[1
]}

机构：

[1] School of Chemical Engineering and Technology, Tianjin University

[2] National Engineering Research Center for Distillation Technology, Tianjin University

来源：

Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section) | 2010年 / 26卷 / 06期

关键词：

Catalyst fragmentation; CFD; Gas-solid flow; Riser reactor; TMP;

D O I：

10.3969/j.issn.1001-8719.2010.06.022

中图分类号：

学科分类号：

摘要：

Numerical calculation method was used to optimize the structure of existing riser reactor. Appropriate model of multiphase flow was selected for the (CFD) simulation of the gas-solid flow inside the riser reactor. According to the CFD simulation results, an optimized structure of the riser reactor was acquired to reduce cracking of catalyst. After structure optimized of riser reactor the distribution of catalyst particles could be more uniform and the collision opportunities between both particle-particle and particle-wall could be reduced. The calibration results showed that by using the optimized riser reactor the propylene yield increased from 14.91% to 19.53% and the solid holdup was reduced a lot.

引用

页码：959 / 965

页数：6

共 12 条

[1] Yang C., Shan H., Zhang J., Et al., The drawbacks of conventional FCC riser reactor and the two-stage riser FCC, Journal of China Petroleum University (Natural Science Edition), 31, 1, pp. 127-131, (2007)
[2] (2000)
[3] Yang C., Zhang J., Shan H., Technology of two-stage riser FCC series, Refining Technology and Engineering, 35, 3, pp. 28-33, (2005)
[4] Shan H., Li C., Niu G., Et al., Technical progress of FCC, Journal of Petroleum University, 29, 6, pp. 135-150, (2005)
[5] Zhao D., Wang H., Li Z., Et al., Technological advances in increasing propylene yield, Guangzhou Chemical Engineering, 32, 1, pp. 36-39, (2004)
[6] (2007)
[7] Xu Z., New technologies of catalytic cracking for maximizing propylene, Refining Technology and Engineering, 36, 8, pp. 4-8, (2006)
[8] (2007)
[9] Xu Z., Zhao H., Yang C., Et al., Flow behavior of gas-solid two-phase in size-variation riser, Journal of Tianjin University, 41, 11, pp. 1351-1356, (2008)
[10] Benyahia S., Arastoopour H., Knowlton T.M., Et al., Simulation of particles and gas flow behavior in the riser section of a circulating fluidized bed using the kinetic theory approach for the particulate phase, Powder Technology, 112, 1-2, pp. 24-33, (2000)

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