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Physical and Numerical Modeling of the Slag Splashing Process
Viktor Sinelnikov1, Michał Szucki2, Tomasz Merder3
1LLC Technical University Metinvest Polytechnic, 71a Sechenova Str., 87524 Mariupol, Ukraine.
Materials (Basel, Switzerland)
|April 30, 2021
Summary
Optimizing technological parameters like flow, pressure, and temperature significantly enhances slag splashing efficiency in oxygen converters. Simulations accurately predict real-world slag behavior for improved process control.
Area of Science:
- Metallurgical Engineering
- Chemical Engineering
- Process Optimization
Background:
- Slag splashing is a critical phenomenon in metallurgical processes, particularly in oxygen converters.
- Understanding and controlling slag splashing is essential for process efficiency and safety.
Purpose of the Study:
- To analyze the influence of various technological factors on slag splashing.
- To identify key parameters for optimizing the slag splashing process in oxygen converters.
Main Methods:
- Utilized a combination of proprietary and commercial calculation programs for simulations.
- Conducted laboratory tests and physical modeling experiments.
- Performed numerical simulations of slag splashing in an oxygen converter.
Main Results:
- Identified critical technological parameters influencing slag splashing, including flow, pressure, and temperature of nitrogen, lance position (height and angle), slag height, and MgO consumption.
- Determined that slag's chemical and mineralogical composition, along with its physicochemical properties, are also significant factors.
- Validated numerical simulation results against experimental data from a physical model, confirming their accuracy in representing real slag splashing.
Conclusions:
- Optimizing specific technological parameters can lead to high efficiency in slag splashing processes.
- Numerical simulations provide a reliable method for studying and predicting slag splashing behavior in oxygen converters.
- The study offers valuable insights for improving metallurgical process control and efficiency.
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