Study on mass flow characteristics of fluidized bed with a circulative accelerating tube
- Resource Type
- Article
- Authors
- Xiao Wang; Hui Si; Qi Cheng; Jinchao Kong; Dong Zhao
- Source
- Journal of Industrial and Engineering Chemistry, 25(0), pp.258-364 May, 2015
- Subject
- 화학공학
- Language
- English
- ISSN
- 1876-794X
1226-086X
The heat transfer between annular fluidized-bed and the furnace can be enhanced by adding circulative accelerating tubes in the reactor. Cold state experiments were conducted to test the effect of operation conditions on particles flow in fluidized bed with a circulative accelerating tube. Results showed that the spouting velocity, fluidizing velocity and static bed height all had a beneficial effect on particles circulating efficiency. Shorter and moderate outlet needle nozzles were suitable for circulative accelerating tube to maximize circulating rate. What’s more, smaller size particles which had better fluidity should be chosen for the bed material to improve circulating efficiency.