Comparative study of two novel fluidized beds—HDCFB and CTFB

YAN Lanling; ZHU Jingxu; LAN Xingying; GAO Jinsen

doi:10.3969/j.issn.0438-1157.2014.07.011

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Comparative study of two novel fluidized beds—HDCFB and CTFB

更新时间：2025-12-10

- Comparative study of two novel fluidized beds—HDCFB and CTFB
- CIESC Journal Issue 7, Pages: 2495-2503(2014)
- 作者机构：
  
  1. 中国石油大学(北京)重质油国家重点实验室,北京,102249
  2. Department of Chemical and Biochemical Engineering, University of Western Ontario,London,Canada,N6A 3K7
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.07.011
  CLC： Q051
- Online First：05 July 2014，
  
  Published：05 July 2014
- 稿件说明：
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YAN Lanling, ZHU Jingxu, LAN Xingying, et al. Comparative study of two novel fluidized beds—HDCFB and CTFB[J]. CIESC Journal, 2014, (7): 2495-2503.
DOI：

YAN Lanling, ZHU Jingxu, LAN Xingying, et al. Comparative study of two novel fluidized beds—HDCFB and CTFB[J]. CIESC Journal, 2014, (7): 2495-2503. DOI： 10.3969/j.issn.0438-1157.2014.07.011.

摘要

高密度循环流化床（HDCFB）和循环湍动流化床（CTFB）相比于传统循环流化床具有很多优点。从实验装置、原理、流动结构及其与不同流型之间的对比介绍了HDCFB和CTFB，得出以下结论：HDCFB和CTFB固体循环量大，固含率高，传热传质及气固接触效率高，固体返混少，具有较为均一的宏观流动结构。两者都可以满足现代工业高产率、高质量的发展需求。通过理论分析，CTFB相较于HDCFB具有更多优势，工业应用前景更好。

Abstract

High-density circulating fluidized bed (HDCFB) and circulating turbulent fluidized bed (CTFB) have many advantages comparing to the conventional circulating fluidized bed. This paper introduces HDCFB and CTFB from such aspects

as experimental facilities

operating principles

flow structures and comparisons with other flow regimes. In HDCFB and CTFB

one could obtain high solids concentration

high heat and mass transfer efficiency

high gas and solids contacting efficiency

less solids backmixing

and more uniform flow structure. As such

high production efficiency and better product quality can be achieved

which is very important for industrial applications. Comparing HDCFB and CTFB

CTFB has more advantages and better industrial applications.

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