HYDRODYNAMICS OF FIBER-PACKED TRICKLE-BED REACTORS

李顺芬; 赵玉龙

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HYDRODYNAMICS OF FIBER-PACKED TRICKLE-BED REACTORS

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- HYDRODYNAMICS OF FIBER-PACKED TRICKLE-BED REACTORS
- CIESC Journal Issue 2, (1994)
- 作者机构：
  
  中国科学院山西煤化所煤转化国家重点实验室,中国科学院山西煤化所煤转化国家重点实验室太原 030001,太原,030001
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q021
- Online First：25 April 1994，
  
  Published：25 April 1994
- 稿件说明：
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李顺芬, 赵玉龙. HYDRODYNAMICS OF FIBER-PACKED TRICKLE-BED REACTORS[J]. CIESC Journal, 1994, (2).
DOI：

李顺芬, 赵玉龙. HYDRODYNAMICS OF FIBER-PACKED TRICKLE-BED REACTORS[J]. CIESC Journal, 1994, (2). DOI：

摘要

1 引言近期的研究表明

无机纤维催化剂(玻璃纤维、碳纤维、氧化铝纤维等)具有较高的活性、选择性和稳定性

如氧化铝纤维为载体的裂解汽油加氢。但到目前为止

有关纤维滴流床的化工数据几乎未见报道。本工作的目的是对纤维滴流床进行流体力学研究

考察操作条件、填料性质、填充方式变化时流体流动性质如压降、持液量等的变化规律

以求建立计算压降和持液量的关联式

为纤维滴流床反应器的设计和放大提供基础数据。

Abstract

Pressure drop

dynamic and static liquid holdup were determined by U-tube pressure manometer

volumetric and gravimetric method for fiber - packed trickle - bed reactors operated at room temperature and atmospheric pressure with gas and liquid mass flowrate varying from 0. 052 to 0. 25kg/(m2·s) and 0. 32 to 2. 56kg/(m2 · s) respectively. The ef- fects of fluid flowrate

bed voidage

fiber property and packing method on pressure drop and liquid holdup were discussed. Correlations for pressure drop and liquid holdup were presented as follows: pressure drop fig=14. 120Ret0.252Reg-1.471 where fig= δlgDeσg/(2Gg2)

De = 4ε/C[(1-ε)aP] dynamic liquid holdup Hd = 0. 303Ret0.506Reg-0.141(Gagε)-0.128 static liquid holdup Hs = 0. 512ε-1.46

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