| 摘要 |
PROBLEM TO BE SOLVED: To provide a tundish that smoothly distributes molten steel.SOLUTION: A tundish 4 provided to a partition dam 15 to have a runner 16 from an injection chamber to a strand chamber 14 with the bottom 11 of the strand chamber 14 located below the lower end of the outlet 17 of the runner 16 to satisfy the following equation. 0.08≤D[m],d≤0.3[m],0.115≤(x+y)≤1[m],0.05≤y/x≤1,0≤y/x≤0.36,x≥0.5,B≤-0.7tanh(3.5A-2.3)+1.1(A=(x/x+y))(x/x+y))(x/x),B=y/x,y=d(1+y/x)-y)(D: equivalent circle diameter of a runner, d: vertical diameter of the runner,x:horizontal length of the runner,y: height of the runner,x: horizontal length of an injection chamber,y: distance between the outlet upper end of the runner and the bottom face of the injection chamber,x: inclination length of the injection chamber,y: inclination height of the injection chamber)SELECTED DRAWING: Figure 1 |
