Production process of continuous-casting tandem-rolling coiled sheet of medium thick plate
A technology of continuous casting and rolling, production process, applied in the direction of metal rolling, manufacturing tools, metal rolling, etc., can solve problems such as weak strength of rolling mill transmission system, aging of power supply system configuration, limitation of variety development ability, etc., to achieve shortened roll The transportation time is shortened, which is conducive to stable operation and improves the effect of mixed crystal defects in the edge structure.
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[0033] The invention is applied to the production process of continuous casting and rolling of 2150 medium-thick slabs. The molten steel passes through three 250t top-bottom composite blowing converters, two molten iron desulfurization and slag removal stations, two LF ladle refining furnaces, and one RH-TB Vacuum treatment device, molten steel can be refined through LF ladle refining furnace and / or RH-TB molten steel vacuum treatment device before pouring.
[0034] The main features of the continuous casting machine of the present invention are straight crystallizers with rounded corners and beveled corners, continuous bending, continuous straightening, hydraulic vibration, etc.;
[0035] The structure of the crystallizer is a crystallizer for slab continuous casting in which the four corners of the inner cavity are rounded at right angles or rounded or right beveled. The structure of the right-angle mold is a traditional slab mold, that is, the wide side wall and two narrow ...
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