Abstract：A 1∶3 water model was found, baffles and gas curtain optimization experiment were carried on tundish. Water modeling experiment result was numerically calculated by software fluent 6.3. Optimized tundish was get, square turbulence inhibitor with eaves was used, the height of dam is 400mm, the distance between dam and pouring region is 2295mm. Gas curtain replacing dam experiment was carried, it is concluded that the optimized gas flow rate is 1.5m3/h,the distance between gas curtain and pouring region is 2295mm. Industrial tests have been carried on tundish with gas blowing, it is concluded that total oxygen in slabs of tundish with gas blowing is 29.8×10-6, compared with total oxygen in slabs of original tundish, which is 34.7×10-6,has decreased by 14.1%. Large inclusion content in slabs reduced from 5.83mg/(10kg) to 4.30mg/(10kg).
2011, Vol. 46 
