METHOD OF CONTINUOUS STEEL CASTING ON THIN-SLAB CONTINUOUS CASTING PLANT Russian patent published in 2019 - IPC B22D11/51 

FIELD: technological processes.

SUBSTANCE: invention relates to the continuous steel casting. In production of thin slab, molten metal is fed into rectangular cross-section swinging by sinusoidal law. Slinging mix is fed to meniscus to continuously cast billet. Downward movement of the crystallizer is performed at a rate exceeding the speed of the workpiece movement. Magnitude advance of crystallizer M_L (mm) corresponding to range 1.20–1.40 is determined by formula:

where A is crystallizer swinging amplitude (mm), π is mathematical constant 3.14159, ƒ – crystallizer rocking frequency (min^-1), τ_n – advance time (s), V_C is billet stretching speed (m/min). Value of crystallizer advance index I_L is 1.40–1.94.

EFFECT: higher quality of continuous cast billet surface due to formation of uniform crust of steel in crystallizer.

1 cl, 1 tbl, 1 ex