CFD Modeling and Industrial Evaluation of a Cyclone Cascade for the Production of the HDPE Catalyst
A new approach is proposed to evaluate various designs for gas-solid cyclone separators. This approach uses single-phase flow simulation results to find a quantitative measure of flow symmetry in a given cyclone. Flow symmetry is computed by averaging imbalances of non-axial velocities throughout the...
Saved in:
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Iranian Association of Chemical Engineering (IAChE)
2021-09-01
|
| Series: | Iranian Journal of Chemical Engineering |
| Subjects: | |
| Online Access: | https://www.ijche.com/article_143126_2b785eb5dd4e69552c650b2ad572f9a0.pdf |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | A new approach is proposed to evaluate various designs for gas-solid cyclone separators. This approach uses single-phase flow simulation results to find a quantitative measure of flow symmetry in a given cyclone. Flow symmetry is computed by averaging imbalances of non-axial velocities throughout the cyclone. Using this approach, two standard design methods are evaluated and the cyclone with a more symmetric flow pattern is chosen as a starting point for further design improvements by reducing the diameter of its vortex finder. Two-phase computational fluid dynamics (CFD) simulations compute 90.2 % collection efficiency for the improved design. CFD simulations reveal using a cascade of four cyclones results in an overall 99.98 % collection efficiency. Once installed in the actual industrial setting, the cyclone cascade achieves a 98.56 % collection efficiency and a particle size distribution which is in good agreement with CFD computed results. |
|---|---|
| ISSN: | 1735-5397 2008-2355 |