Abstract
The present paper discusses the results of tests in which batches of nickel in the form of crowns were introduced to liquid steel in a continuous casting slab tundish during experiments to investigate steel alloying during casting. Suction liquid steel samples taken from both tundish and mould were assayed for chemical composition. Computer simulations of liquid steel flow and alloy addition behaviour were performed using the commercial program Ansys-Fluent. Owing to the complexity of alloy dissolution and dispersion in metallurgical processes, a decision was made to use the Species Model. The obtained fields of liquid steel flow and nickel distribution and the curves of nickel concentration in time constitute a source of information about the dynamics and complexity of the steel alloying process during continuous steel casting. The present studies show influence of different addition positions and different flow control devices on liquid steel chemical homogenisation process.
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