Static pressure distribution in coupled cyclone with built-ingranular bed filter

GAO Sihong; LIU Yuxue; FAN Yiping; LU Chunxi

doi:10.11949/0438-1157.20191220

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Static pressure distribution in coupled cyclone with built-ingranular bed filter

Fluid dynamics and transport phenomena | 更新时间：2026-07-24

- Static pressure distribution in coupled cyclone with built-ingranular bed filter
- CIESC Journal Vol. 71, Issue 2, Pages: 516-525(2020)
- 作者机构：
  
  中国石油大学（北京）重质油国家重点实验室, 北京 200237
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20191220
  CLC： TQ 051.8
- Received：23 October 2019，
  
  Revised：2019-11-13，
  
  Online First：14 August 2020，
  
  Published：05 February 2020
- 稿件说明：
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高思鸿, 刘堉学, 范怡平, 卢春喜. 新型旋流场-颗粒床耦合分离设备静压分布[J]. 化工学报, 2020, 71(2): 516-525

GAO Sihong, LIU Yuxue, FAN Yiping, LU Chunxi. Static pressure distribution in coupled cyclone with built-ingranular bed filter[J]. CIESC Journal, 2020, 71(2): 516-525
高思鸿, 刘堉学, 范怡平, 卢春喜. 新型旋流场-颗粒床耦合分离设备静压分布[J]. 化工学报, 2020, 71(2): 516-525 DOI： 10.11949/0438-1157.20191220.

GAO Sihong, LIU Yuxue, FAN Yiping, LU Chunxi. Static pressure distribution in coupled cyclone with built-ingranular bed filter[J]. CIESC Journal, 2020, 71(2): 516-525 DOI： 10.11949/0438-1157.20191220.

摘要

新型旋流场-颗粒床耦合分离设备将旋风分离器离心分离和移动床吸附/过滤分离有机结合，在一套设备中实现了两级净化过程，可适应较高的温度范围，为气体净化技术提供了一种新的思路。在固定床操作模式下，测量了耦合设备内部轴向、周向和径向的静压分布。实验结果表明，设备入口环形空间的静压分布可以确定设备内部旋流强度与入口气速之间存在直接联系；设备内部负压中心以及旋流场产生的影响在N8（

=2175 mm）测点以下不再明显；设备静压分布在周向上呈现明显的非对称分布，这也反映出设备内的气相流动在周向上存在不均匀分布的现象。

Abstract

A coupled scheme of cyclone with built

-in granular bed filter (C-CGBF)

combining the centrifugation and filtration in one device

is designed for dry gas purification in a wide range of application temperature. The static pressure distribution in the C-CGBF is measured under the fixed bed operation regime. The results reveal that there is an apparent relation between the swirling intensity and the inlet gas velocity

according to the static pressure distribution in the annular space of the C-CGBF. The influence of the negative pressure core and the swirl field in the C-CGBF is no longer distinct below the measuring point N8 (

=2175 mm). The static pressure distribution of the device shows a clear asymmetric distribution in the circumferential direction

which also reflects the uneven distribution of the gas phase flow in the device in the circumferential direction.

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references

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