Optimization of gas-liquid-solid three-phase isothermal differential slurry microreactor

HU Wenhua; CHEN Bin; GAO Hongshuai; LV Xingmei

doi:10.3969/j.issn.0438-1157.2013.z1.004

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Optimization of gas-liquid-solid three-phase isothermal differential slurry microreactor

更新时间：2025-12-10

- Optimization of gas-liquid-solid three-phase isothermal differential slurry microreactor
- CIESC Journal Issue S1, Pages: 26-32(2013)
- 作者机构：
  
  中国科学院过程工程研究所,北京,100090
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.z1.004
  CLC： Q031
- Online First：30 December 2013，
  
  Published：30 December 2013
- 稿件说明：
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HU Wenhua, CHEN Bin, GAO Hongshuai, et al. Optimization of gas-liquid-solid three-phase isothermal differential slurry microreactor[J]. CIESC Journal, 2013, (S1): 26-32.
DOI：

HU Wenhua, CHEN Bin, GAO Hongshuai, et al. Optimization of gas-liquid-solid three-phase isothermal differential slurry microreactor[J]. CIESC Journal, 2013, (S1): 26-32. DOI： 10.3969/j.issn.0438-1157.2013.z1.004.

摘要

针对气液固三相浆态床催化反应中，传递、反应、催化剂的原位表征均比较复杂的问题，为了有利于气、固相均匀分散于液相和反应温度在反应器中实现等温，通过对气液固三相反应工艺特性和反应器性能要求的分析，对微型气液固三相浆态床反应器进行了优化。根据微型浆态床对气液固三相反应分析的要求，采用图像法研究了分布器为G1、G2、G3，砂板直径为2、2.5、3 cm反应器中的流体力学性能特征，考察了气体流速、温度、反应器直径及气体分布器对气含率、气泡尺寸、气泡上升速率以及气泡分布的影响，并进行流体动力学模拟计算，确定了微型浆态床反应器的直径为2 cm，气体分布器为G3砂板的反应器结构，该反应器可以应用于反应过程中间态及液体产物生成过程的测试。

Abstract

Based on the complexity of in-situ characterization of deliver

reaction and catalyst in catalytic reaction

which happened in gas-liquid-solid three-phase slurry reactor

it was optimized the gas-liquid-solid three-phase isothermal differential slurry microreactor for dispersing gas phase and solid phase present in liquid phase and uniform temperature distribution in the reactor

through the analysis of technological characteristics of gas-liquid-solid three-phase reaction and performance requirements for reactor. Considering the application of slurry microreactor to gas-liquid-solid three-phase reaction analysis

the flow dynamics characteristics in three distributors of G1

G3 core plate and in three reactors of 2 cm

2.5 cm

3 cm inner diameter were studied by using the image method. The influences of gas flow rate

temperature

diameter of reactor and gas distributor on the gas holdup

gas flow rate

distribution of bubble size were investigated. Through the fluid dynamics simulation

the diameter of slurry microreactor(2 cm)

the type of gas distributor(G3 core plate) and so on was defined. Meanwhile

the gas-liquid-solid three-phase isothermal differential slurry microreactor which was applied to the in-situ analysis of chemical composition history in reaction process was developed.

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