Related Experiment Videos
[Structure and fluidization of an internally circulating fluidized bed for FGD process]
Liuchun Yang1, Wenqi Yang, Zhiquan Tong
1Dept. of Environmental Engineering, Xiangtan University, Xiangtan 411105, China. yangliuc@21cn.com
Huan Jing Ke Xue= Huanjing Kexue
|January 15, 2004
Summary
A novel internally circulating fluidized bed was developed for flue gas desulfurization (FGD). This new design enhances solid particle circulation and density, showing promise for improved FGD processes.
Area of Science:
- Chemical Engineering
- Fluidization Technology
Context:
- Developing efficient industrial processes for environmental protection.
- Optimizing fluidized bed reactors for gas-solid separation.
Purpose:
- To design and evaluate a new internally circulating fluidized bed (ICFB) for flue gas desulfurization (FGD).
- To investigate the effects of different structural components on ICFB performance.
- To analyze fluidization characteristics, solid distribution, and fluid mechanics under cold conditions.
Summary:
- A novel ICFB was successfully developed, demonstrating effective internal circulation of a large number of solid particles.
- The ICFB exhibited a core-annulus structure within a fluidizing gas velocity range of 2.5 to 5 m/s.
- Observed higher solid density in the ICFB compared to traditional fluidized beds.
Impact:
- The developed ICFB shows significant potential for enhanced application in FGD processes.
- The findings provide valuable insights into the design and operation of advanced fluidized bed reactors.
- Improved solid handling and higher bed density suggest increased efficiency for gas-solid reactions.