Mathematical Simulation for Velocity and Temperature Fields of Molten Steel in a 5-strand Tundish

Velocity and temperature fields of molten steel in a 5-strand tundish with different baffles were investigated by mathematical simulation.The calculation results showed that liquid steel directly moved to the outlets of tundish with original baffle after it flowed out from the holes in the baffle,and there was a large dead zone above the first outlet.Temperature distribution in the original tundish configuration was not uniform.The temperature difference between high temperature zone and low one on the liquid surface outside the pouring zone was 10.7℃ and the temperature difference among the outlets of the tundish 4℃.With the improved baffle,molten steel mainly flowed in the upper layer of tundish bath after it departed from the holes in the baffle.The flowing route of liquid steel became long and dead zone small in the tundish.Temperature field of liquid steel turned uniform and temperature of steel flowing out from the tundish outlets was the same.