HYDRODYNAMICS OF THREE-PHASE FLUIDIZED BED IN RISER

任铮伟; 颜湧捷; 薛为岚; 李建军

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HYDRODYNAMICS OF THREE-PHASE FLUIDIZED BED IN RISER

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- HYDRODYNAMICS OF THREE-PHASE FLUIDIZED BED IN RISER
- CIESC Journal Issue 3, (1994)
- 作者机构：
  
  华东理工大学能源化工系!上海200237,华东理工大学能源化工系!上海200237,华东理工大学能源化工系!上海200237,华东理工大学能源化工系,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q021
- Online First：25 June 1994，
  
  Published：25 June 1994
- 稿件说明：
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任铮伟, 颜湧捷, 薛为岚, et al. HYDRODYNAMICS OF THREE-PHASE FLUIDIZED BED IN RISER[J]. CIESC Journal, 1994, (3).
DOI：

任铮伟, 颜湧捷, 薛为岚, et al. HYDRODYNAMICS OF THREE-PHASE FLUIDIZED BED IN RISER[J]. CIESC Journal, 1994, (3). DOI：

摘要

在以牛顿和非牛顿流体为液相的提升管三相流化床内研究了粒子循环条件、床层气含率和液体循环速率等变化规律.考察了中心管和环隙气含率的差别及其对液相循环的影响

并引入广义雷诺数

得出计算气含率的关联式.

Abstract

The hydrodynamics of Newtonian and Non- Newtonian fluids in gas- liquid- solid fluidized bed in riser were studied. The circulation conditions for light and heavy particles were compared. The effects of gas and liquid flow rates

liquid viscocity

solid holdup and particle characteristics on gas holdup and liquid circulation rate were investigated. The difference between gas holdup in riser and that in the annular region and the influence of this difference on liquid circulation rate were studied. By introducing the generalized Reynolds number

the correlations for calculating riser and annular gas holdup for both Newtonian and non-Newtonian fluids were obtained.

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