About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Fundamentals of Sustainable Metallurgy and Processing of Materials
|
| Presentation Title |
Measurements on Residence Time of Iron Ore Fines in a Flash Ironmaking Process using a Cold Model and CFD Analysis |
| Author(s) |
Mir Ishfaq, Subam Ranjan, Devendra Nama, Raghavendra Ragipani, Laltu Chandra, Rahul Sarkar |
| On-Site Speaker (Planned) |
Rahul Sarkar |
| Abstract Scope |
Hydrogen-based flash ironmaking technology (FIT) offers significant potential for reducing CO2 emissions by eliminating agglomeration processes such as sintering and coke-making. This study investigates residence times of iron particles in a flash ironmaking reactor using a cold model. A quartz drop tube was used to visually track the particles which were introduced using a powder feeder system. Residence times were calculated using one-dimensional motion equations. Computational fluid dynamics (CFD) simulations were also conducted to predict particle velocity, temperature, and residence time at different locations inside the tube. The model accounted for variations in gas flow rate, delivery configuration and particle size. Experimental data, obtained through image analysis of high-speed recordings, showed good agreement with simulation results, validating the model. Insights gained into gas-solid flow dynamics, particle trajectories, and residence times are crucial for optimizing reactor performance and for ensuring the success of hydrogen-based FIT as a low-carbon steel production route. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Iron and Steel, High-Temperature Materials, Sustainability |