The invention discloses a homogenized slab
continuous casting production method under the
external field cooperative
control effect, and belongs to the field of
steelmaking-
continuous casting. According to the method,
electromagnetic stirring rollers are installed on fan-shaped sections of a secondary cooling area of a slab
continuous casting machine, and meanwhile, the two fan-shaped sections after being subjected to
electromagnetic stirring in the secondary cooling area at the slab continuous
casting solidification
tail end are mechanically pressed down, so that the homogenized slab is obtained.
Molten steel can be stirred and mixed uniformly through secondary cooling
electromagnetic stirring, so that the temperature of the
molten steel and a solidified blank shell are made uniform, the equiaxed
crystal ratio is increased, and the surface quality is improved. And the
molten steel rich in solute elements can be promoted to be discharged to the upstream through mechanical downward pressing at the solidification
tail end, center segregation is improved, solidification shrinkage of a
casting blank is compensated for, and shrinkage hole growth is restrained. And meanwhile, secondary cooling electromagnetic stirring can further uniformly mix the concentrated
molten steel discharged by means of mechanical downward pressing, and secondary cooling electromagnetic stirring and solidification
tail end mechanical downward pressing are mutually combined, so that the purpose of improving the
internal quality of the
casting blank is achieved.